Blob Blame History Raw
m4trace:/usr/share/aclocal/glibc2.m4:11: -1- AC_DEFUN([gt_GLIBC2], [
    AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer],
      [ac_cv_gnu_library_2],
      [AC_EGREP_CPP([Lucky GNU user],
        [
#include <features.h>
#ifdef __GNU_LIBRARY__
 #if (__GLIBC__ >= 2) && !defined __UCLIBC__
  Lucky GNU user
 #endif
#endif
        ],
        [ac_cv_gnu_library_2=yes],
        [ac_cv_gnu_library_2=no])
      ]
    )
    AC_SUBST([GLIBC2])
    GLIBC2="$ac_cv_gnu_library_2"
  
])
m4trace:/usr/share/aclocal/intdiv0.m4:9: -1- AC_DEFUN([gt_INTDIV0], [
  AC_REQUIRE([AC_PROG_CC])dnl
  AC_REQUIRE([AC_CANONICAL_HOST])dnl

  AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
    gt_cv_int_divbyzero_sigfpe,
    [
      gt_cv_int_divbyzero_sigfpe=
changequote(,)dnl
      case "$host_os" in
        macos* | darwin[6-9]* | darwin[1-9][0-9]*)
          # On Mac OS X 10.2 or newer, just assume the same as when cross-
          # compiling. If we were to perform the real test, 1 Crash Report
          # dialog window would pop up.
          case "$host_cpu" in
            i[34567]86 | x86_64)
              gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
          esac
          ;;
      esac
changequote([,])dnl
      if test -z "$gt_cv_int_divbyzero_sigfpe"; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <stdlib.h>
#include <signal.h>

static void
sigfpe_handler (int sig)
{
  /* Exit with code 0 if SIGFPE, with code 1 if any other signal.  */
  _exit (sig != SIGFPE);
}

int x = 1;
int y = 0;
int z;
int nan;

int main ()
{
  signal (SIGFPE, sigfpe_handler);
/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP.  */
#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
  signal (SIGTRAP, sigfpe_handler);
#endif
/* Linux/SPARC yields signal SIGILL.  */
#if defined (__sparc__) && defined (__linux__)
  signal (SIGILL, sigfpe_handler);
#endif

  z = x / y;
  nan = y / y;
  exit (2);
}
]])],
          [gt_cv_int_divbyzero_sigfpe=yes],
          [gt_cv_int_divbyzero_sigfpe=no],
          [
            # Guess based on the CPU.
changequote(,)dnl
            case "$host_cpu" in
              alpha* | i[34567]86 | x86_64 | m68k | s390*)
                gt_cv_int_divbyzero_sigfpe="guessing yes";;
              *)
                gt_cv_int_divbyzero_sigfpe="guessing no";;
            esac
changequote([,])dnl
          ])
      fi
    ])
  case "$gt_cv_int_divbyzero_sigfpe" in
    *yes) value=1;;
    *) value=0;;
  esac
  AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
    [Define if integer division by zero raises signal SIGFPE.])
])
m4trace:/usr/share/aclocal/intl.m4:25: -1- AC_DEFUN([AM_INTL_SUBDIR], [
  AC_REQUIRE([AC_PROG_INSTALL])dnl
  AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  AC_REQUIRE([AC_PROG_CC])dnl
  AC_REQUIRE([AC_CANONICAL_HOST])dnl
  AC_REQUIRE([gt_GLIBC2])dnl
  AC_REQUIRE([AC_PROG_RANLIB])dnl
  AC_REQUIRE([gl_VISIBILITY])dnl
  AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl
  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl
  AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
  AC_REQUIRE([gt_TYPE_WINT_T])dnl
  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([gt_TYPE_INTMAX_T])
  AC_REQUIRE([gt_PRINTF_POSIX])
  AC_REQUIRE([gl_GLIBC21])dnl
  AC_REQUIRE([gl_XSIZE])dnl
  AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl
  AC_REQUIRE([gt_INTL_MACOSX])dnl
  AC_REQUIRE([gl_EXTERN_INLINE])dnl
  AC_REQUIRE([gt_GL_ATTRIBUTE])dnl

  dnl Support for automake's --enable-silent-rules.
  case "$enable_silent_rules" in
    yes) INTL_DEFAULT_VERBOSITY=0;;
    no)  INTL_DEFAULT_VERBOSITY=1;;
    *)   INTL_DEFAULT_VERBOSITY=1;;
  esac
  AC_SUBST([INTL_DEFAULT_VERBOSITY])

  AC_CHECK_TYPE([ptrdiff_t], ,
    [AC_DEFINE([ptrdiff_t], [long],
       [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
    ])
  AC_CHECK_HEADERS([features.h stddef.h stdlib.h string.h])
  AC_CHECK_FUNCS([asprintf fwprintf newlocale putenv setenv setlocale \
    snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb])

  dnl Use the _snprintf function only if it is declared (because on NetBSD it
  dnl is defined as a weak alias of snprintf; we prefer to use the latter).
  AC_CHECK_DECLS([_snprintf, _snwprintf], , , [#include <stdio.h>])

  dnl Use the *_unlocked functions only if they are declared.
  dnl (because some of them were defined without being declared in Solaris
  dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
  dnl on Solaris 2.5.1 to run on Solaris 2.6).
  AC_CHECK_DECLS([getc_unlocked], , , [#include <stdio.h>])

  case $gt_cv_func_printf_posix in
    *yes) HAVE_POSIX_PRINTF=1 ;;
    *) HAVE_POSIX_PRINTF=0 ;;
  esac
  AC_SUBST([HAVE_POSIX_PRINTF])
  if test "$ac_cv_func_asprintf" = yes; then
    HAVE_ASPRINTF=1
  else
    HAVE_ASPRINTF=0
  fi
  AC_SUBST([HAVE_ASPRINTF])
  if test "$ac_cv_func_snprintf" = yes; then
    HAVE_SNPRINTF=1
  else
    HAVE_SNPRINTF=0
  fi
  AC_SUBST([HAVE_SNPRINTF])
  if test "$ac_cv_func_newlocale" = yes; then
    HAVE_NEWLOCALE=1
  else
    HAVE_NEWLOCALE=0
  fi
  AC_SUBST([HAVE_NEWLOCALE])
  if test "$ac_cv_func_wprintf" = yes; then
    HAVE_WPRINTF=1
  else
    HAVE_WPRINTF=0
  fi
  AC_SUBST([HAVE_WPRINTF])

  AM_LANGINFO_CODESET
  gt_LC_MESSAGES

  dnl Compilation on mingw and Cygwin needs special Makefile rules, because
  dnl 1. when we install a shared library, we must arrange to export
  dnl    auxiliary pointer variables for every exported variable,
  dnl 2. when we install a shared library and a static library simultaneously,
  dnl    the include file specifies __declspec(dllimport) and therefore we
  dnl    must arrange to define the auxiliary pointer variables for the
  dnl    exported variables _also_ in the static library.
  if test "$enable_shared" = yes; then
    case "$host_os" in
      mingw* | cygwin*) is_woe32dll=yes ;;
      *) is_woe32dll=no ;;
    esac
  else
    is_woe32dll=no
  fi
  WOE32DLL=$is_woe32dll
  AC_SUBST([WOE32DLL])

  dnl On mingw and Cygwin, we can activate special Makefile rules which add
  dnl version information to the shared libraries and executables.
  case "$host_os" in
    mingw* | cygwin*) is_woe32=yes ;;
    *) is_woe32=no ;;
  esac
  WOE32=$is_woe32
  AC_SUBST([WOE32])
  if test $WOE32 = yes; then
    dnl Check for a program that compiles Windows resource files.
    AC_CHECK_TOOL([WINDRES], [windres])
  fi

  dnl Determine whether when creating a library, "-lc" should be passed to
  dnl libtool or not. On many platforms, it is required for the libtool option
  dnl -no-undefined to work. On HP-UX, however, the -lc - stored by libtool
  dnl in the *.la files - makes it impossible to create multithreaded programs,
  dnl because libtool also reorders the -lc to come before the -pthread, and
  dnl this disables pthread_create() <http://docs.hp.com/en/1896/pthreads.html>.
  case "$host_os" in
    hpux*) LTLIBC="" ;;
    *)     LTLIBC="-lc" ;;
  esac
  AC_SUBST([LTLIBC])

  dnl Rename some macros and functions used for locking.
  AH_BOTTOM([
#define __libc_lock_t                   gl_lock_t
#define __libc_lock_define              gl_lock_define
#define __libc_lock_define_initialized  gl_lock_define_initialized
#define __libc_lock_init                gl_lock_init
#define __libc_lock_lock                gl_lock_lock
#define __libc_lock_unlock              gl_lock_unlock
#define __libc_lock_recursive_t                   gl_recursive_lock_t
#define __libc_lock_define_recursive              gl_recursive_lock_define
#define __libc_lock_define_initialized_recursive  gl_recursive_lock_define_initialized
#define __libc_lock_init_recursive                gl_recursive_lock_init
#define __libc_lock_lock_recursive                gl_recursive_lock_lock
#define __libc_lock_unlock_recursive              gl_recursive_lock_unlock
#define glthread_in_use  libintl_thread_in_use
#define glthread_lock_init_func     libintl_lock_init_func
#define glthread_lock_lock_func     libintl_lock_lock_func
#define glthread_lock_unlock_func   libintl_lock_unlock_func
#define glthread_lock_destroy_func  libintl_lock_destroy_func
#define glthread_rwlock_init_multithreaded     libintl_rwlock_init_multithreaded
#define glthread_rwlock_init_func              libintl_rwlock_init_func
#define glthread_rwlock_rdlock_multithreaded   libintl_rwlock_rdlock_multithreaded
#define glthread_rwlock_rdlock_func            libintl_rwlock_rdlock_func
#define glthread_rwlock_wrlock_multithreaded   libintl_rwlock_wrlock_multithreaded
#define glthread_rwlock_wrlock_func            libintl_rwlock_wrlock_func
#define glthread_rwlock_unlock_multithreaded   libintl_rwlock_unlock_multithreaded
#define glthread_rwlock_unlock_func            libintl_rwlock_unlock_func
#define glthread_rwlock_destroy_multithreaded  libintl_rwlock_destroy_multithreaded
#define glthread_rwlock_destroy_func           libintl_rwlock_destroy_func
#define glthread_recursive_lock_init_multithreaded     libintl_recursive_lock_init_multithreaded
#define glthread_recursive_lock_init_func              libintl_recursive_lock_init_func
#define glthread_recursive_lock_lock_multithreaded     libintl_recursive_lock_lock_multithreaded
#define glthread_recursive_lock_lock_func              libintl_recursive_lock_lock_func
#define glthread_recursive_lock_unlock_multithreaded   libintl_recursive_lock_unlock_multithreaded
#define glthread_recursive_lock_unlock_func            libintl_recursive_lock_unlock_func
#define glthread_recursive_lock_destroy_multithreaded  libintl_recursive_lock_destroy_multithreaded
#define glthread_recursive_lock_destroy_func           libintl_recursive_lock_destroy_func
#define glthread_once_func            libintl_once_func
#define glthread_once_singlethreaded  libintl_once_singlethreaded
#define glthread_once_multithreaded   libintl_once_multithreaded
])
])
m4trace:/usr/share/aclocal/intl.m4:211: -1- AC_DEFUN([gt_INTL_SUBDIR_CORE], [
  AC_REQUIRE([AC_C_INLINE])dnl
  AC_REQUIRE([AC_TYPE_SIZE_T])dnl
  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  AC_REQUIRE([AC_FUNC_ALLOCA])dnl
  AC_REQUIRE([AC_FUNC_MMAP])dnl
  AC_REQUIRE([gt_INTDIV0])dnl
  AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
  AC_REQUIRE([gt_INTTYPES_PRI])dnl
  AC_REQUIRE([gl_LOCK])dnl

  AC_LINK_IFELSE(
    [AC_LANG_PROGRAM(
       [[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]],
       [[]])],
    [AC_DEFINE([HAVE_BUILTIN_EXPECT], [1],
       [Define to 1 if the compiler understands __builtin_expect.])])

  AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h])
  AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \
    stpcpy strcasecmp strdup strtoul tsearch uselocale argz_count \
    argz_stringify argz_next __fsetlocking])

  dnl Solaris 12 provides getlocalename_l, while Illumos doesn't have
  dnl it nor the equivalent.
  if test $ac_cv_func_uselocale = yes; then
    AC_CHECK_FUNCS([getlocalename_l])
  fi

  dnl Use the *_unlocked functions only if they are declared.
  dnl (because some of them were defined without being declared in Solaris
  dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
  dnl on Solaris 2.5.1 to run on Solaris 2.6).
  AC_CHECK_DECLS([feof_unlocked, fgets_unlocked], , , [#include <stdio.h>])

  AM_ICONV

  dnl intl/plural.c is generated from intl/plural.y. It requires bison,
  dnl because plural.y uses bison specific features. It requires at least
  dnl bison-2.7 for %define api.pure.
  dnl bison is only needed for the maintainer (who touches plural.y). But in
  dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
  dnl the rule in general Makefile. Now, some people carelessly touch the
  dnl files or have a broken "make" program, hence the plural.c rule will
  dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
  dnl present or too old.
  AC_CHECK_PROGS([INTLBISON], [bison])
  if test -z "$INTLBISON"; then
    ac_verc_fail=yes
  else
    dnl Found it, now check the version.
    AC_MSG_CHECKING([version of bison])
changequote(<<,>>)dnl
    ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
    case $ac_prog_version in
      '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
      2.[7-9]* | [3-9].*)
changequote([,])dnl
         ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
      *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
    esac
    AC_MSG_RESULT([$ac_prog_version])
  fi
  if test $ac_verc_fail = yes; then
    INTLBISON=:
  fi
])
m4trace:/usr/share/aclocal/intl.m4:282: -1- AC_DEFUN([gt_GL_ATTRIBUTE], [
  m4_ifndef([gl_[]COMMON],
    AH_VERBATIM([gt_gl_attribute],
[/* Define as a marker that can be attached to declarations that might not
    be used.  This helps to reduce warnings, such as from
    GCC -Wunused-parameter.  */
#ifndef _GL_UNUSED
# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
#  define _GL_UNUSED __attribute__ ((__unused__))
# else
#  define _GL_UNUSED
# endif
#endif

/* The __pure__ attribute was added in gcc 2.96.  */
#ifndef _GL_ATTRIBUTE_PURE
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
#  define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
# else
#  define _GL_ATTRIBUTE_PURE /* empty */
# endif
#endif
]))])
m4trace:/usr/share/aclocal/intmax.m4:11: -1- AC_DEFUN([gt_TYPE_INTMAX_T], [
  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[
#include <stddef.h>
#include <stdlib.h>
#if HAVE_STDINT_H_WITH_UINTMAX
#include <stdint.h>
#endif
#if HAVE_INTTYPES_H_WITH_UINTMAX
#include <inttypes.h>
#endif
          ]],
          [[intmax_t x = -1;
            return !x;]])],
       [gt_cv_c_intmax_t=yes],
       [gt_cv_c_intmax_t=no])])
  if test $gt_cv_c_intmax_t = yes; then
    AC_DEFINE([HAVE_INTMAX_T], [1],
      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
  fi
])
m4trace:/usr/share/aclocal/lcmessage.m4:22: -1- AC_DEFUN([gt_LC_MESSAGES], [
  AC_CACHE_CHECK([for LC_MESSAGES], [gt_cv_val_LC_MESSAGES],
    [AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <locale.h>]],
          [[return LC_MESSAGES]])],
       [gt_cv_val_LC_MESSAGES=yes],
       [gt_cv_val_LC_MESSAGES=no])])
  if test $gt_cv_val_LC_MESSAGES = yes; then
    AC_DEFINE([HAVE_LC_MESSAGES], [1],
      [Define if your <locale.h> file defines LC_MESSAGES.])
  fi
])
m4trace:/usr/share/aclocal/lock.m4:9: -1- AC_DEFUN([gl_LOCK], [
  AC_REQUIRE([gl_THREADLIB])
  if test "$gl_threads_api" = posix; then
    # OSF/1 4.0 and Mac OS X 10.1 lack the pthread_rwlock_t type and the
    # pthread_rwlock_* functions.
    AC_CHECK_TYPE([pthread_rwlock_t],
      [AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1],
         [Define if the POSIX multithreading library has read/write locks.])],
      [],
      [#include <pthread.h>])
    # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro.
    AC_COMPILE_IFELSE([
      AC_LANG_PROGRAM(
        [[#include <pthread.h>]],
        [[
#if __FreeBSD__ == 4
error "No, in FreeBSD 4.0 recursive mutexes actually don't work."
#elif (defined __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ \
       && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
error "No, in Mac OS X < 10.7 recursive mutexes actually don't work."
#else
int x = (int)PTHREAD_MUTEX_RECURSIVE;
return !x;
#endif
        ]])],
      [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1],
         [Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])])
  fi
  gl_PREREQ_LOCK
])
m4trace:/usr/share/aclocal/lock.m4:42: -1- AC_DEFUN([gl_PREREQ_LOCK], [:])
m4trace:/usr/share/aclocal/printf-posix.m4:11: -1- AC_DEFUN([gt_PRINTF_POSIX], [
  AC_REQUIRE([AC_PROG_CC])
  AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings],
    gt_cv_func_printf_posix,
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
/* The string "%2$d %1$d", with dollar characters protected from the shell's
   dollar expansion (possibly an autoconf bug).  */
static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
static char buf[100];
int main ()
{
  sprintf (buf, format, 33, 55);
  return (strcmp (buf, "55 33") != 0);
}]])],
        [gt_cv_func_printf_posix=yes],
        [gt_cv_func_printf_posix=no],
        [
          AC_EGREP_CPP([notposix], [
#if defined __NetBSD__ || defined __BEOS__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
  notposix
#endif
            ],
            [gt_cv_func_printf_posix="guessing no"],
            [gt_cv_func_printf_posix="guessing yes"])
        ])
    ])
  case $gt_cv_func_printf_posix in
    *yes)
      AC_DEFINE([HAVE_POSIX_PRINTF], [1],
        [Define if your printf() function supports format strings with positions.])
      ;;
  esac
])
m4trace:/usr/share/aclocal/threadlib.m4:29: -1- AC_DEFUN([gl_THREADLIB_EARLY], [
  AC_REQUIRE([gl_THREADLIB_EARLY_BODY])
])
m4trace:/usr/share/aclocal/threadlib.m4:36: -1- AC_DEFUN([gl_THREADLIB_EARLY_BODY], [
  dnl Ordering constraints: This macro modifies CPPFLAGS in a way that
  dnl influences the result of the autoconf tests that test for *_unlocked
  dnl declarations, on AIX 5 at least. Therefore it must come early.
  AC_BEFORE([$0], [gl_FUNC_GLIBC_UNLOCKED_IO])dnl
  AC_BEFORE([$0], [gl_ARGP])dnl

  AC_REQUIRE([AC_CANONICAL_HOST])
  dnl _GNU_SOURCE is needed for pthread_rwlock_t on glibc systems.
  dnl AC_USE_SYSTEM_EXTENSIONS was introduced in autoconf 2.60 and obsoletes
  dnl AC_GNU_SOURCE.
  m4_ifdef([AC_USE_SYSTEM_EXTENSIONS],
    [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])],
    [AC_REQUIRE([AC_GNU_SOURCE])])
  dnl Check for multithreading.
  m4_ifdef([gl_THREADLIB_DEFAULT_NO],
    [m4_divert_text([DEFAULTS], [gl_use_threads_default=no])],
    [m4_divert_text([DEFAULTS], [gl_use_threads_default=])])
  AC_ARG_ENABLE([threads],
AC_HELP_STRING([--enable-threads={posix|solaris|pth|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [
AC_HELP_STRING([--disable-threads], [build without multithread safety])]),
    [gl_use_threads=$enableval],
    [if test -n "$gl_use_threads_default"; then
       gl_use_threads="$gl_use_threads_default"
     else
changequote(,)dnl
       case "$host_os" in
         dnl Disable multithreading by default on OSF/1, because it interferes
         dnl with fork()/exec(): When msgexec is linked with -lpthread, its
         dnl child process gets an endless segmentation fault inside execvp().
         dnl Disable multithreading by default on Cygwin 1.5.x, because it has
         dnl bugs that lead to endless loops or crashes. See
         dnl <http://cygwin.com/ml/cygwin/2009-08/msg00283.html>.
         osf*) gl_use_threads=no ;;
         cygwin*)
               case `uname -r` in
                 1.[0-5].*) gl_use_threads=no ;;
                 *)         gl_use_threads=yes ;;
               esac
               ;;
         *)    gl_use_threads=yes ;;
       esac
changequote([,])dnl
     fi
    ])
  if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then
    # For using <pthread.h>:
    case "$host_os" in
      osf*)
        # On OSF/1, the compiler needs the flag -D_REENTRANT so that it
        # groks <pthread.h>. cc also understands the flag -pthread, but
        # we don't use it because 1. gcc-2.95 doesn't understand -pthread,
        # 2. putting a flag into CPPFLAGS that has an effect on the linker
        # causes the AC_LINK_IFELSE test below to succeed unexpectedly,
        # leading to wrong values of LIBTHREAD and LTLIBTHREAD.
        CPPFLAGS="$CPPFLAGS -D_REENTRANT"
        ;;
    esac
    # Some systems optimize for single-threaded programs by default, and
    # need special flags to disable these optimizations. For example, the
    # definition of 'errno' in <errno.h>.
    case "$host_os" in
      aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;;
      solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;;
    esac
  fi
])
m4trace:/usr/share/aclocal/threadlib.m4:107: -1- AC_DEFUN([gl_THREADLIB_BODY], [
  AC_REQUIRE([gl_THREADLIB_EARLY_BODY])
  gl_threads_api=none
  LIBTHREAD=
  LTLIBTHREAD=
  LIBMULTITHREAD=
  LTLIBMULTITHREAD=
  if test "$gl_use_threads" != no; then
    dnl Check whether the compiler and linker support weak declarations.
    AC_CACHE_CHECK([whether imported symbols can be declared weak],
      [gl_cv_have_weak],
      [gl_cv_have_weak=no
       dnl First, test whether the compiler accepts it syntactically.
       AC_LINK_IFELSE(
         [AC_LANG_PROGRAM(
            [[extern void xyzzy ();
#pragma weak xyzzy]],
            [[xyzzy();]])],
         [gl_cv_have_weak=maybe])
       if test $gl_cv_have_weak = maybe; then
         dnl Second, test whether it actually works. On Cygwin 1.7.2, with
         dnl gcc 4.3, symbols declared weak always evaluate to the address 0.
         AC_RUN_IFELSE(
           [AC_LANG_SOURCE([[
#include <stdio.h>
#pragma weak fputs
int main ()
{
  return (fputs == NULL);
}]])],
           [gl_cv_have_weak=yes],
           [gl_cv_have_weak=no],
           [dnl When cross-compiling, assume that only ELF platforms support
            dnl weak symbols.
            AC_EGREP_CPP([Extensible Linking Format],
              [#ifdef __ELF__
               Extensible Linking Format
               #endif
              ],
              [gl_cv_have_weak="guessing yes"],
              [gl_cv_have_weak="guessing no"])
           ])
       fi
      ])
    if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then
      # On OSF/1, the compiler needs the flag -pthread or -D_REENTRANT so that
      # it groks <pthread.h>. It's added above, in gl_THREADLIB_EARLY_BODY.
      AC_CHECK_HEADER([pthread.h],
        [gl_have_pthread_h=yes], [gl_have_pthread_h=no])
      if test "$gl_have_pthread_h" = yes; then
        # Other possible tests:
        #   -lpthreads (FSU threads, PCthreads)
        #   -lgthreads
        gl_have_pthread=
        # Test whether both pthread_mutex_lock and pthread_mutexattr_init exist
        # in libc. IRIX 6.5 has the first one in both libc and libpthread, but
        # the second one only in libpthread, and lock.c needs it.
        #
        # If -pthread works, prefer it to -lpthread, since Ubuntu 14.04
        # needs -pthread for some reason.  See:
        # http://lists.gnu.org/archive/html/bug-gnulib/2014-09/msg00023.html
        save_LIBS=$LIBS
        for gl_pthread in '' '-pthread'; do
          LIBS="$LIBS $gl_pthread"
          AC_LINK_IFELSE(
            [AC_LANG_PROGRAM(
               [[#include <pthread.h>
                 pthread_mutex_t m;
                 pthread_mutexattr_t ma;
               ]],
               [[pthread_mutex_lock (&m);
                 pthread_mutexattr_init (&ma);]])],
            [gl_have_pthread=yes
             LIBTHREAD=$gl_pthread LTLIBTHREAD=$gl_pthread
             LIBMULTITHREAD=$gl_pthread LTLIBMULTITHREAD=$gl_pthread])
          LIBS=$save_LIBS
          test -n "$gl_have_pthread" && break
        done

        # Test for libpthread by looking for pthread_kill. (Not pthread_self,
        # since it is defined as a macro on OSF/1.)
        if test -n "$gl_have_pthread" && test -z "$LIBTHREAD"; then
          # The program links fine without libpthread. But it may actually
          # need to link with libpthread in order to create multiple threads.
          AC_CHECK_LIB([pthread], [pthread_kill],
            [LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread
             # On Solaris and HP-UX, most pthread functions exist also in libc.
             # Therefore pthread_in_use() needs to actually try to create a
             # thread: pthread_create from libc will fail, whereas
             # pthread_create will actually create a thread.
             case "$host_os" in
               solaris* | hpux*)
                 AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1],
                   [Define if the pthread_in_use() detection is hard.])
             esac
            ])
        elif test -z "$gl_have_pthread"; then
          # Some library is needed. Try libpthread and libc_r.
          AC_CHECK_LIB([pthread], [pthread_kill],
            [gl_have_pthread=yes
             LIBTHREAD=-lpthread LTLIBTHREAD=-lpthread
             LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread])
          if test -z "$gl_have_pthread"; then
            # For FreeBSD 4.
            AC_CHECK_LIB([c_r], [pthread_kill],
              [gl_have_pthread=yes
               LIBTHREAD=-lc_r LTLIBTHREAD=-lc_r
               LIBMULTITHREAD=-lc_r LTLIBMULTITHREAD=-lc_r])
          fi
        fi
        if test -n "$gl_have_pthread"; then
          gl_threads_api=posix
          AC_DEFINE([USE_POSIX_THREADS], [1],
            [Define if the POSIX multithreading library can be used.])
          if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then
            if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then
              AC_DEFINE([USE_POSIX_THREADS_WEAK], [1],
                [Define if references to the POSIX multithreading library should be made weak.])
              LIBTHREAD=
              LTLIBTHREAD=
            fi
          fi
        fi
      fi
    fi
    if test -z "$gl_have_pthread"; then
      if test "$gl_use_threads" = yes || test "$gl_use_threads" = solaris; then
        gl_have_solaristhread=
        gl_save_LIBS="$LIBS"
        LIBS="$LIBS -lthread"
        AC_LINK_IFELSE(
          [AC_LANG_PROGRAM(
             [[
#include <thread.h>
#include <synch.h>
             ]],
             [[thr_self();]])],
          [gl_have_solaristhread=yes])
        LIBS="$gl_save_LIBS"
        if test -n "$gl_have_solaristhread"; then
          gl_threads_api=solaris
          LIBTHREAD=-lthread
          LTLIBTHREAD=-lthread
          LIBMULTITHREAD="$LIBTHREAD"
          LTLIBMULTITHREAD="$LTLIBTHREAD"
          AC_DEFINE([USE_SOLARIS_THREADS], [1],
            [Define if the old Solaris multithreading library can be used.])
          if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then
            AC_DEFINE([USE_SOLARIS_THREADS_WEAK], [1],
              [Define if references to the old Solaris multithreading library should be made weak.])
            LIBTHREAD=
            LTLIBTHREAD=
          fi
        fi
      fi
    fi
    if test "$gl_use_threads" = pth; then
      gl_save_CPPFLAGS="$CPPFLAGS"
      AC_LIB_LINKFLAGS([pth])
      gl_have_pth=
      gl_save_LIBS="$LIBS"
      LIBS="$LIBS $LIBPTH"
      AC_LINK_IFELSE(
        [AC_LANG_PROGRAM([[#include <pth.h>]], [[pth_self();]])],
        [gl_have_pth=yes])
      LIBS="$gl_save_LIBS"
      if test -n "$gl_have_pth"; then
        gl_threads_api=pth
        LIBTHREAD="$LIBPTH"
        LTLIBTHREAD="$LTLIBPTH"
        LIBMULTITHREAD="$LIBTHREAD"
        LTLIBMULTITHREAD="$LTLIBTHREAD"
        AC_DEFINE([USE_PTH_THREADS], [1],
          [Define if the GNU Pth multithreading library can be used.])
        if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then
          if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then
            AC_DEFINE([USE_PTH_THREADS_WEAK], [1],
              [Define if references to the GNU Pth multithreading library should be made weak.])
            LIBTHREAD=
            LTLIBTHREAD=
          fi
        fi
      else
        CPPFLAGS="$gl_save_CPPFLAGS"
      fi
    fi
    if test -z "$gl_have_pthread"; then
      case "$gl_use_threads" in
        yes | windows | win32) # The 'win32' is for backward compatibility.
          if { case "$host_os" in
                 mingw*) true;;
                 *) false;;
               esac
             }; then
            gl_threads_api=windows
            AC_DEFINE([USE_WINDOWS_THREADS], [1],
              [Define if the native Windows multithreading API can be used.])
          fi
          ;;
      esac
    fi
  fi
  AC_MSG_CHECKING([for multithread API to use])
  AC_MSG_RESULT([$gl_threads_api])
  AC_SUBST([LIBTHREAD])
  AC_SUBST([LTLIBTHREAD])
  AC_SUBST([LIBMULTITHREAD])
  AC_SUBST([LTLIBMULTITHREAD])
])
m4trace:/usr/share/aclocal/threadlib.m4:318: -1- AC_DEFUN([gl_THREADLIB], [
  AC_REQUIRE([gl_THREADLIB_EARLY])
  AC_REQUIRE([gl_THREADLIB_BODY])
])
m4trace:/usr/share/aclocal/threadlib.m4:331: -1- AC_DEFUN([gl_DISABLE_THREADS], [
  m4_divert_text([INIT_PREPARE], [gl_use_threads_default=no])
])
m4trace:/usr/share/aclocal/uintmax_t.m4:14: -1- AC_DEFUN([gl_AC_TYPE_UINTMAX_T], [
  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
    AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
    test $ac_cv_type_unsigned_long_long_int = yes \
      && ac_type='unsigned long long' \
      || ac_type='unsigned long'
    AC_DEFINE_UNQUOTED([uintmax_t], [$ac_type],
      [Define to unsigned long or unsigned long long
       if <stdint.h> and <inttypes.h> don't define.])
  else
    AC_DEFINE([HAVE_UINTMAX_T], [1],
      [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
  fi
])
m4trace:/usr/share/aclocal/visibility.m4:23: -1- AC_DEFUN([gl_VISIBILITY], [
  AC_REQUIRE([AC_PROG_CC])
  CFLAG_VISIBILITY=
  HAVE_VISIBILITY=0
  if test -n "$GCC"; then
    dnl First, check whether -Werror can be added to the command line, or
    dnl whether it leads to an error because of some other option that the
    dnl user has put into $CC $CFLAGS $CPPFLAGS.
    AC_MSG_CHECKING([whether the -Werror option is usable])
    AC_CACHE_VAL([gl_cv_cc_vis_werror], [
      gl_save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -Werror"
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([[]], [[]])],
        [gl_cv_cc_vis_werror=yes],
        [gl_cv_cc_vis_werror=no])
      CFLAGS="$gl_save_CFLAGS"])
    AC_MSG_RESULT([$gl_cv_cc_vis_werror])
    dnl Now check whether visibility declarations are supported.
    AC_MSG_CHECKING([for simple visibility declarations])
    AC_CACHE_VAL([gl_cv_cc_visibility], [
      gl_save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -fvisibility=hidden"
      dnl We use the option -Werror and a function dummyfunc, because on some
      dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning
      dnl "visibility attribute not supported in this configuration; ignored"
      dnl at the first function definition in every compilation unit, and we
      dnl don't want to use the option in this case.
      if test $gl_cv_cc_vis_werror = yes; then
        CFLAGS="$CFLAGS -Werror"
      fi
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [[extern __attribute__((__visibility__("hidden"))) int hiddenvar;
             extern __attribute__((__visibility__("default"))) int exportedvar;
             extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
             extern __attribute__((__visibility__("default"))) int exportedfunc (void);
             void dummyfunc (void) {}
           ]],
           [[]])],
        [gl_cv_cc_visibility=yes],
        [gl_cv_cc_visibility=no])
      CFLAGS="$gl_save_CFLAGS"])
    AC_MSG_RESULT([$gl_cv_cc_visibility])
    if test $gl_cv_cc_visibility = yes; then
      CFLAG_VISIBILITY="-fvisibility=hidden"
      HAVE_VISIBILITY=1
    fi
  fi
  AC_SUBST([CFLAG_VISIBILITY])
  AC_SUBST([HAVE_VISIBILITY])
  AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
    [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
])
m4trace:/usr/share/aclocal-1.16/amversion.m4:14: -1- AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version='1.16'
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
dnl require some minimum version.  Point them to the right macro.
m4_if([$1], [1.16.1], [],
      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
])
m4trace:/usr/share/aclocal-1.16/amversion.m4:33: -1- AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], [AM_AUTOMAKE_VERSION([1.16.1])dnl
m4_ifndef([AC_AUTOCONF_VERSION],
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
m4trace:/usr/share/aclocal-1.16/auxdir.m4:47: -1- AC_DEFUN([AM_AUX_DIR_EXPAND], [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Expand $ac_aux_dir to an absolute path.
am_aux_dir=`cd "$ac_aux_dir" && pwd`
])
m4trace:/usr/share/aclocal-1.16/cond.m4:12: -1- AC_DEFUN([AM_CONDITIONAL], [AC_PREREQ([2.52])dnl
 m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
       [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
AC_SUBST([$1_TRUE])dnl
AC_SUBST([$1_FALSE])dnl
_AM_SUBST_NOTMAKE([$1_TRUE])dnl
_AM_SUBST_NOTMAKE([$1_FALSE])dnl
m4_define([_AM_COND_VALUE_$1], [$2])dnl
if $2; then
  $1_TRUE=
  $1_FALSE='#'
else
  $1_TRUE='#'
  $1_FALSE=
fi
AC_CONFIG_COMMANDS_PRE(
[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  AC_MSG_ERROR([[conditional "$1" was never defined.
Usually this means the macro was only invoked conditionally.]])
fi])])
m4trace:/usr/share/aclocal-1.16/depend.m4:26: -1- AC_DEFUN([_AM_DEPENDENCIES], [AC_REQUIRE([AM_SET_DEPDIR])dnl
AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
AC_REQUIRE([AM_MAKE_INCLUDE])dnl
AC_REQUIRE([AM_DEP_TRACK])dnl

m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
      [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
      [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
      [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
                    [depcc="$$1"   am_compiler_list=])

AC_CACHE_CHECK([dependency style of $depcc],
               [am_cv_$1_dependencies_compiler_type],
[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
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  # making a dummy file named 'D' -- because '-MD' means "put the output
  # in D".
  rm -rf conftest.dir
  mkdir conftest.dir
  # Copy depcomp to subdir because otherwise we won't find it if we're
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  cp "$am_depcomp" conftest.dir
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  mkdir sub

  am_cv_$1_dependencies_compiler_type=none
  if test "$am_compiler_list" = ""; then
     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
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  am__universal=false
  m4_case([$1], [CC],
    [case " $depcc " in #(
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    [CXX],
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     *\ -arch\ *\ -arch\ *) am__universal=true ;;
     esac])

  for depmode in $am_compiler_list; do
    # Setup a source with many dependencies, because some compilers
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    done
    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf

    # We check with '-c' and '-o' for the sake of the "dashmstdout"
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    if depmode=$depmode \
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       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
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      # The diagnosis changed in icc 8.0:
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      if (grep 'ignoring option' conftest.err ||
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        am_cv_$1_dependencies_compiler_type=$depmode
        break
      fi
    fi
  done

  cd ..
  rm -rf conftest.dir
else
  am_cv_$1_dependencies_compiler_type=none
fi
])
AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
AM_CONDITIONAL([am__fastdep$1], [
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])
m4trace:/usr/share/aclocal-1.16/depend.m4:163: -1- AC_DEFUN([AM_SET_DEPDIR], [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
])
m4trace:/usr/share/aclocal-1.16/depend.m4:171: -1- AC_DEFUN([AM_DEP_TRACK], [AC_ARG_ENABLE([dependency-tracking], [dnl
AS_HELP_STRING(
  [--enable-dependency-tracking],
  [do not reject slow dependency extractors])
AS_HELP_STRING(
  [--disable-dependency-tracking],
  [speeds up one-time build])])
if test "x$enable_dependency_tracking" != xno; then
  am_depcomp="$ac_aux_dir/depcomp"
  AMDEPBACKSLASH='\'
  am__nodep='_no'
fi
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
AC_SUBST([AMDEPBACKSLASH])dnl
_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
AC_SUBST([am__nodep])dnl
_AM_SUBST_NOTMAKE([am__nodep])dnl
])
m4trace:/usr/share/aclocal-1.16/depout.m4:11: -1- AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], [{
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
  # TODO: see whether this extra hack can be removed once we start
  # requiring Autoconf 2.70 or later.
  AS_CASE([$CONFIG_FILES],
          [*\'*], [eval set x "$CONFIG_FILES"],
          [*], [set x $CONFIG_FILES])
  shift
  # Used to flag and report bootstrapping failures.
  am_rc=0
  for am_mf
  do
    # Strip MF so we end up with the name of the file.
    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
    # Check whether this is an Automake generated Makefile which includes
    # dependency-tracking related rules and includes.
    # Grep'ing the whole file directly is not great: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
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    am_dirpart=`AS_DIRNAME(["$am_mf"])`
    am_filepart=`AS_BASENAME(["$am_mf"])`
    AM_RUN_LOG([cd "$am_dirpart" \
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  done
  if test $am_rc -ne 0; then
    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
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  fi
  AS_UNSET([am_dirpart])
  AS_UNSET([am_filepart])
  AS_UNSET([am_mf])
  AS_UNSET([am_rc])
  rm -f conftest-deps.mk
}
])
m4trace:/usr/share/aclocal-1.16/depout.m4:62: -1- AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], [AC_CONFIG_COMMANDS([depfiles],
     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
m4trace:/usr/share/aclocal-1.16/init.m4:29: -1- AC_DEFUN([AM_INIT_AUTOMAKE], [AC_PREREQ([2.65])dnl
dnl Autoconf wants to disallow AM_ names.  We explicitly allow
dnl the ones we care about.
m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
AC_REQUIRE([AC_PROG_INSTALL])dnl
if test "`cd $srcdir && pwd`" != "`pwd`"; then
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  # is not polluted with repeated "-I."
  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  # test to see if srcdir already configured
  if test -f $srcdir/config.status; then
    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  fi
fi

# test whether we have cygpath
if test -z "$CYGPATH_W"; then
  if (cygpath --version) >/dev/null 2>/dev/null; then
    CYGPATH_W='cygpath -w'
  else
    CYGPATH_W=echo
  fi
fi
AC_SUBST([CYGPATH_W])

# Define the identity of the package.
dnl Distinguish between old-style and new-style calls.
m4_ifval([$2],
[AC_DIAGNOSE([obsolete],
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m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 AC_SUBST([PACKAGE], [$1])dnl
 AC_SUBST([VERSION], [$2])],
[_AM_SET_OPTIONS([$1])dnl
dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
m4_if(
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  [ok:ok],,
  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl

_AM_IF_OPTION([no-define],,
[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl

# Some tools Automake needs.
AC_REQUIRE([AM_SANITY_CHECK])dnl
AC_REQUIRE([AC_ARG_PROGRAM])dnl
AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
AM_MISSING_PROG([AUTOCONF], [autoconf])
AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
AM_MISSING_PROG([AUTOHEADER], [autoheader])
AM_MISSING_PROG([MAKEINFO], [makeinfo])
AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
# For better backward compatibility.  To be removed once Automake 1.9.x
# dies out for good.  For more background, see:
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
# We need awk for the "check" target (and possibly the TAP driver).  The
# system "awk" is bad on some platforms.
AC_REQUIRE([AC_PROG_AWK])dnl
AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AM_SET_LEADING_DOT])dnl
_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
			     [_AM_PROG_TAR([v7])])])
_AM_IF_OPTION([no-dependencies],,
[AC_PROVIDE_IFELSE([AC_PROG_CC],
		  [_AM_DEPENDENCIES([CC])],
		  [m4_define([AC_PROG_CC],
			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
AC_PROVIDE_IFELSE([AC_PROG_CXX],
		  [_AM_DEPENDENCIES([CXX])],
		  [m4_define([AC_PROG_CXX],
			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
AC_PROVIDE_IFELSE([AC_PROG_OBJC],
		  [_AM_DEPENDENCIES([OBJC])],
		  [m4_define([AC_PROG_OBJC],
			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
		  [_AM_DEPENDENCIES([OBJCXX])],
		  [m4_define([AC_PROG_OBJCXX],
			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
])
AC_REQUIRE([AM_SILENT_RULES])dnl
dnl The testsuite driver may need to know about EXEEXT, so add the
dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
AC_CONFIG_COMMANDS_PRE(dnl
[m4_provide_if([_AM_COMPILER_EXEEXT],
  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl

# POSIX will say in a future version that running "rm -f" with no argument
# is OK; and we want to be able to make that assumption in our Makefile
# recipes.  So use an aggressive probe to check that the usage we want is
# actually supported "in the wild" to an acceptable degree.
# See automake bug#10828.
# To make any issue more visible, cause the running configure to be aborted
# by default if the 'rm' program in use doesn't match our expectations; the
# user can still override this though.
if rm -f && rm -fr && rm -rf; then : OK; else
  cat >&2 <<'END'
Oops!

Your 'rm' program seems unable to run without file operands specified
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to the behaviour of most rm programs out there, and not conforming with
the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>

Please tell bug-automake@gnu.org about your system, including the value
of your $PATH and any error possibly output before this message.  This
can help us improve future automake versions.

END
  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
    echo 'Configuration will proceed anyway, since you have set the' >&2
    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
    echo >&2
  else
    cat >&2 <<'END'
Aborting the configuration process, to ensure you take notice of the issue.

You can download and install GNU coreutils to get an 'rm' implementation
that behaves properly: <https://www.gnu.org/software/coreutils/>.

If you want to complete the configuration process using your problematic
'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
to "yes", and re-run configure.

END
    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  fi
fi
dnl The trailing newline in this macro's definition is deliberate, for
dnl backward compatibility and to allow trailing 'dnl'-style comments
dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
])
m4trace:/usr/share/aclocal-1.16/init.m4:186: -1- AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], [# Compute $1's index in $config_headers.
_am_arg=$1
_am_stamp_count=1
for _am_header in $config_headers :; do
  case $_am_header in
    $_am_arg | $_am_arg:* )
      break ;;
    * )
      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  esac
done
echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
m4trace:/usr/share/aclocal-1.16/install-sh.m4:11: -1- AC_DEFUN([AM_PROG_INSTALL_SH], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
if test x"${install_sh+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  *)
    install_sh="\${SHELL} $am_aux_dir/install-sh"
  esac
fi
AC_SUBST([install_sh])])
m4trace:/usr/share/aclocal-1.16/lead-dot.m4:10: -1- AC_DEFUN([AM_SET_LEADING_DOT], [rm -rf .tst 2>/dev/null
mkdir .tst 2>/dev/null
if test -d .tst; then
  am__leading_dot=.
else
  am__leading_dot=_
fi
rmdir .tst 2>/dev/null
AC_SUBST([am__leading_dot])])
m4trace:/usr/share/aclocal-1.16/make.m4:13: -1- AC_DEFUN([AM_MAKE_INCLUDE], [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
cat > confinc.mk << 'END'
am__doit:
	@echo this is the am__doit target >confinc.out
.PHONY: am__doit
END
am__include="#"
am__quote=
# BSD make does it like this.
echo '.include "confinc.mk" # ignored' > confmf.BSD
# Other make implementations (GNU, Solaris 10, AIX) do it like this.
echo 'include confinc.mk # ignored' > confmf.GNU
_am_result=no
for s in GNU BSD; do
  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
      ['0:this is the am__doit target'],
      [AS_CASE([$s],
          [BSD], [am__include='.include' am__quote='"'],
          [am__include='include' am__quote=''])])
  if test "$am__include" != "#"; then
    _am_result="yes ($s style)"
    break
  fi
done
rm -f confinc.* confmf.*
AC_MSG_RESULT([${_am_result}])
AC_SUBST([am__include])])
m4trace:/usr/share/aclocal-1.16/make.m4:42: -1- m4_pattern_allow([^am__quote$])
m4trace:/usr/share/aclocal-1.16/missing.m4:11: -1- AC_DEFUN([AM_MISSING_PROG], [AC_REQUIRE([AM_MISSING_HAS_RUN])
$1=${$1-"${am_missing_run}$2"}
AC_SUBST($1)])
m4trace:/usr/share/aclocal-1.16/missing.m4:20: -1- AC_DEFUN([AM_MISSING_HAS_RUN], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([missing])dnl
if test x"${MISSING+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  *)
    MISSING="\${SHELL} $am_aux_dir/missing" ;;
  esac
fi
# Use eval to expand $SHELL
if eval "$MISSING --is-lightweight"; then
  am_missing_run="$MISSING "
else
  am_missing_run=
  AC_MSG_WARN(['missing' script is too old or missing])
fi
])
m4trace:/usr/share/aclocal-1.16/mkdirp.m4:11: -1- AC_DEFUN([AM_PROG_MKDIR_P], [AC_PREREQ([2.60])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
dnl FIXME we are no longer going to remove this! adjust warning
dnl FIXME message accordingly.
AC_DIAGNOSE([obsolete],
[$0: this macro is deprecated, and will soon be removed.
You should use the Autoconf-provided 'AC][_PROG_MKDIR_P' macro instead,
and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.])
dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
dnl while keeping a definition of mkdir_p for backward compatibility.
dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
dnl Makefile.ins that do not define MKDIR_P, so we do our own
dnl adjustment using top_builddir (which is defined more often than
dnl MKDIR_P).
AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
case $mkdir_p in
  [[\\/$]]* | ?:[[\\/]]*) ;;
  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
esac
])
m4trace:/usr/share/aclocal-1.16/options.m4:11: -1- AC_DEFUN([_AM_MANGLE_OPTION], [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
m4trace:/usr/share/aclocal-1.16/options.m4:17: -1- AC_DEFUN([_AM_SET_OPTION], [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
m4trace:/usr/share/aclocal-1.16/options.m4:23: -1- AC_DEFUN([_AM_SET_OPTIONS], [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
m4trace:/usr/share/aclocal-1.16/options.m4:29: -1- AC_DEFUN([_AM_IF_OPTION], [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
m4trace:/usr/share/aclocal-1.16/prog-cc-c-o.m4:12: -1- AC_DEFUN([_AM_PROG_CC_C_O], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([compile])dnl
AC_LANG_PUSH([C])dnl
AC_CACHE_CHECK(
  [whether $CC understands -c and -o together],
  [am_cv_prog_cc_c_o],
  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
  # Make sure it works both with $CC and with simple cc.
  # Following AC_PROG_CC_C_O, we do the test twice because some
  # compilers refuse to overwrite an existing .o file with -o,
  # though they will create one.
  am_cv_prog_cc_c_o=yes
  for am_i in 1 2; do
    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
         && test -f conftest2.$ac_objext; then
      : OK
    else
      am_cv_prog_cc_c_o=no
      break
    fi
  done
  rm -f core conftest*
  unset am_i])
if test "$am_cv_prog_cc_c_o" != yes; then
   # Losing compiler, so override with the script.
   # FIXME: It is wrong to rewrite CC.
   # But if we don't then we get into trouble of one sort or another.
   # A longer-term fix would be to have automake use am__CC in this case,
   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
   CC="$am_aux_dir/compile $CC"
fi
AC_LANG_POP([C])])
m4trace:/usr/share/aclocal-1.16/prog-cc-c-o.m4:47: -1- AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
m4trace:/usr/share/aclocal-1.16/runlog.m4:12: -1- AC_DEFUN([AM_RUN_LOG], [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
   (exit $ac_status); }])
m4trace:/usr/share/aclocal-1.16/sanity.m4:11: -1- AC_DEFUN([AM_SANITY_CHECK], [AC_MSG_CHECKING([whether build environment is sane])
# Reject unsafe characters in $srcdir or the absolute working directory
# name.  Accept space and tab only in the latter.
am_lf='
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case `pwd` in
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    AC_MSG_ERROR([unsafe absolute working directory name]);;
esac
case $srcdir in
  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
esac

# Do 'set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   am_has_slept=no
   for am_try in 1 2; do
     echo "timestamp, slept: $am_has_slept" > conftest.file
     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
     if test "$[*]" = "X"; then
	# -L didn't work.
	set X `ls -t "$srcdir/configure" conftest.file`
     fi
     if test "$[*]" != "X $srcdir/configure conftest.file" \
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	# If neither matched, then we have a broken ls.  This can happen
	# if, for instance, CONFIG_SHELL is bash and it inherits a
	# broken ls alias from the environment.  This has actually
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	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
  alias in your environment])
     fi
     if test "$[2]" = conftest.file || test $am_try -eq 2; then
       break
     fi
     # Just in case.
     sleep 1
     am_has_slept=yes
   done
   test "$[2]" = conftest.file
   )
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
AC_MSG_RESULT([yes])
# If we didn't sleep, we still need to ensure time stamps of config.status and
# generated files are strictly newer.
am_sleep_pid=
if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  ( sleep 1 ) &
  am_sleep_pid=$!
fi
AC_CONFIG_COMMANDS_PRE(
  [AC_MSG_CHECKING([that generated files are newer than configure])
   if test -n "$am_sleep_pid"; then
     # Hide warnings about reused PIDs.
     wait $am_sleep_pid 2>/dev/null
   fi
   AC_MSG_RESULT([done])])
rm -f conftest.file
])
m4trace:/usr/share/aclocal-1.16/silent.m4:12: -1- AC_DEFUN([AM_SILENT_RULES], [AC_ARG_ENABLE([silent-rules], [dnl
AS_HELP_STRING(
  [--enable-silent-rules],
  [less verbose build output (undo: "make V=1")])
AS_HELP_STRING(
  [--disable-silent-rules],
  [verbose build output (undo: "make V=0")])dnl
])
case $enable_silent_rules in @%:@ (((
  yes) AM_DEFAULT_VERBOSITY=0;;
   no) AM_DEFAULT_VERBOSITY=1;;
    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
esac
dnl
dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
dnl do not support nested variable expansions.
dnl See automake bug#9928 and bug#10237.
am_make=${MAKE-make}
AC_CACHE_CHECK([whether $am_make supports nested variables],
   [am_cv_make_support_nested_variables],
   [if AS_ECHO([['TRUE=$(BAR$(V))
BAR0=false
BAR1=true
V=1
am__doit:
	@$(TRUE)
.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  am_cv_make_support_nested_variables=yes
else
  am_cv_make_support_nested_variables=no
fi])
if test $am_cv_make_support_nested_variables = yes; then
  dnl Using '$V' instead of '$(V)' breaks IRIX make.
  AM_V='$(V)'
  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
else
  AM_V=$AM_DEFAULT_VERBOSITY
  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
fi
AC_SUBST([AM_V])dnl
AM_SUBST_NOTMAKE([AM_V])dnl
AC_SUBST([AM_DEFAULT_V])dnl
AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
AM_BACKSLASH='\'
AC_SUBST([AM_BACKSLASH])dnl
_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
])
m4trace:/usr/share/aclocal-1.16/strip.m4:17: -1- AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
# Installed binaries are usually stripped using 'strip' when the user
# run "make install-strip".  However 'strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the 'STRIP' environment variable to overrule this program.
dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
if test "$cross_compiling" != no; then
  AC_CHECK_TOOL([STRIP], [strip], :)
fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
m4trace:/usr/share/aclocal-1.16/substnot.m4:12: -1- AC_DEFUN([_AM_SUBST_NOTMAKE])
m4trace:/usr/share/aclocal-1.16/substnot.m4:17: -1- AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
m4trace:/usr/share/aclocal-1.16/tar.m4:23: -1- AC_DEFUN([_AM_PROG_TAR], [# Always define AMTAR for backward compatibility.  Yes, it's still used
# in the wild :-(  We should find a proper way to deprecate it ...
AC_SUBST([AMTAR], ['$${TAR-tar}'])

# We'll loop over all known methods to create a tar archive until one works.
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'

m4_if([$1], [v7],
  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],

  [m4_case([$1],
    [ustar],
     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
      # There is notably a 21 bits limit for the UID and the GID.  In fact,
      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
      # and bug#13588).
      am_max_uid=2097151 # 2^21 - 1
      am_max_gid=$am_max_uid
      # The $UID and $GID variables are not portable, so we need to resort
      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
      # below are definitely unexpected, so allow the users to see them
      # (that is, avoid stderr redirection).
      am_uid=`id -u || echo unknown`
      am_gid=`id -g || echo unknown`
      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
      if test $am_uid -le $am_max_uid; then
         AC_MSG_RESULT([yes])
      else
         AC_MSG_RESULT([no])
         _am_tools=none
      fi
      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
      if test $am_gid -le $am_max_gid; then
         AC_MSG_RESULT([yes])
      else
        AC_MSG_RESULT([no])
        _am_tools=none
      fi],

  [pax],
    [],

  [m4_fatal([Unknown tar format])])

  AC_MSG_CHECKING([how to create a $1 tar archive])

  # Go ahead even if we have the value already cached.  We do so because we
  # need to set the values for the 'am__tar' and 'am__untar' variables.
  _am_tools=${am_cv_prog_tar_$1-$_am_tools}

  for _am_tool in $_am_tools; do
    case $_am_tool in
    gnutar)
      for _am_tar in tar gnutar gtar; do
        AM_RUN_LOG([$_am_tar --version]) && break
      done
      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
      am__untar="$_am_tar -xf -"
      ;;
    plaintar)
      # Must skip GNU tar: if it does not support --format= it doesn't create
      # ustar tarball either.
      (tar --version) >/dev/null 2>&1 && continue
      am__tar='tar chf - "$$tardir"'
      am__tar_='tar chf - "$tardir"'
      am__untar='tar xf -'
      ;;
    pax)
      am__tar='pax -L -x $1 -w "$$tardir"'
      am__tar_='pax -L -x $1 -w "$tardir"'
      am__untar='pax -r'
      ;;
    cpio)
      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
      am__untar='cpio -i -H $1 -d'
      ;;
    none)
      am__tar=false
      am__tar_=false
      am__untar=false
      ;;
    esac

    # If the value was cached, stop now.  We just wanted to have am__tar
    # and am__untar set.
    test -n "${am_cv_prog_tar_$1}" && break

    # tar/untar a dummy directory, and stop if the command works.
    rm -rf conftest.dir
    mkdir conftest.dir
    echo GrepMe > conftest.dir/file
    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
    rm -rf conftest.dir
    if test -s conftest.tar; then
      AM_RUN_LOG([$am__untar <conftest.tar])
      AM_RUN_LOG([cat conftest.dir/file])
      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
    fi
  done
  rm -rf conftest.dir

  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  AC_MSG_RESULT([$am_cv_prog_tar_$1])])

AC_SUBST([am__tar])
AC_SUBST([am__untar])
])
m4trace:m4/00gnulib.m4:46: -1- AC_DEFUN([gl_00GNULIB])
m4trace:m4/absolute-header.m4:22: -1- AC_DEFUN([gl_ABSOLUTE_HEADER], [AC_REQUIRE([AC_CANONICAL_HOST])
AC_LANG_PREPROC_REQUIRE()dnl
dnl FIXME: gl_absolute_header and ac_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
m4_foreach_w([gl_HEADER_NAME], [$1],
  [AS_VAR_PUSHDEF([gl_absolute_header],
                  [gl_cv_absolute_]m4_defn([gl_HEADER_NAME]))dnl
  AC_CACHE_CHECK([absolute name of <]m4_defn([gl_HEADER_NAME])[>],
    m4_defn([gl_absolute_header]),
    [AS_VAR_PUSHDEF([ac_header_exists],
                    [ac_cv_header_]m4_defn([gl_HEADER_NAME]))dnl
    AC_CHECK_HEADERS_ONCE(m4_defn([gl_HEADER_NAME]))dnl
    if test AS_VAR_GET(ac_header_exists) = yes; then
      gl_ABSOLUTE_HEADER_ONE(m4_defn([gl_HEADER_NAME]))
    fi
    AS_VAR_POPDEF([ac_header_exists])dnl
    ])dnl
  AC_DEFINE_UNQUOTED(AS_TR_CPP([ABSOLUTE_]m4_defn([gl_HEADER_NAME])),
                     ["AS_VAR_GET(gl_absolute_header)"],
                     [Define this to an absolute name of <]m4_defn([gl_HEADER_NAME])[>.])
  AS_VAR_POPDEF([gl_absolute_header])dnl
])dnl
])
m4trace:m4/absolute-header.m4:54: -1- AC_DEFUN([gl_ABSOLUTE_HEADER_ONE], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_LANG_CONFTEST([AC_LANG_SOURCE([[#include <]]m4_dquote([$1])[[>]])])
  dnl AIX "xlc -E" and "cc -E" omit #line directives for header files
  dnl that contain only a #include of other header files and no
  dnl non-comment tokens of their own. This leads to a failure to
  dnl detect the absolute name of <dirent.h>, <signal.h>, <poll.h>
  dnl and others. The workaround is to force preservation of comments
  dnl through option -C. This ensures all necessary #line directives
  dnl are present. GCC supports option -C as well.
  case "$host_os" in
    aix*) gl_absname_cpp="$ac_cpp -C" ;;
    *)    gl_absname_cpp="$ac_cpp" ;;
  esac
changequote(,)
  case "$host_os" in
    mingw*)
      dnl For the sake of native Windows compilers (excluding gcc),
      dnl treat backslash as a directory separator, like /.
      dnl Actually, these compilers use a double-backslash as
      dnl directory separator, inside the
      dnl   # line "filename"
      dnl directives.
      gl_dirsep_regex='[/\\]'
      ;;
    *)
      gl_dirsep_regex='\/'
      ;;
  esac
  dnl A sed expression that turns a string into a basic regular
  dnl expression, for use within "/.../".
  gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
  gl_header_literal_regex=`echo '$1' \
                           | sed -e "$gl_make_literal_regex_sed"`
  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
      s|^/[^/]|//&|
      p
      q
    }'
changequote([,])
  dnl eval is necessary to expand gl_absname_cpp.
  dnl Ultrix and Pyramid sh refuse to redirect output of eval,
  dnl so use subshell.
  AS_VAR_SET([gl_cv_absolute_]AS_TR_SH([[$1]]),
[`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
  sed -n "$gl_absolute_header_sed"`])
])
m4trace:m4/alloca.m4:8: -1- AC_DEFUN([gl_FUNC_ALLOCA], [
  AC_REQUIRE([AC_FUNC_ALLOCA])
  if test $ac_cv_func_alloca_works = no; then
    gl_PREREQ_ALLOCA
  fi

  # Define an additional variable used in the Makefile substitution.
  if test $ac_cv_working_alloca_h = yes; then
    AC_CACHE_CHECK([for alloca as a compiler built-in], [gl_cv_rpl_alloca], [
      AC_EGREP_CPP([Need own alloca], [
#if defined __GNUC__ || defined _AIX || defined _MSC_VER
        Need own alloca
#endif
        ], [gl_cv_rpl_alloca=yes], [gl_cv_rpl_alloca=no])
    ])
    if test $gl_cv_rpl_alloca = yes; then
      dnl OK, alloca can be implemented through a compiler built-in.
      AC_DEFINE([HAVE_ALLOCA], [1],
        [Define to 1 if you have 'alloca' after including <alloca.h>,
         a header that may be supplied by this distribution.])
      ALLOCA_H=alloca.h
    else
      dnl alloca exists as a library function, i.e. it is slow and probably
      dnl a memory leak. Don't define HAVE_ALLOCA in this case.
      ALLOCA_H=
    fi
  else
    ALLOCA_H=alloca.h
  fi
  AC_SUBST([ALLOCA_H])
  AM_CONDITIONAL([GL_GENERATE_ALLOCA_H], [test -n "$ALLOCA_H"])
])
m4trace:m4/alloca.m4:44: -1- AC_DEFUN([gl_PREREQ_ALLOCA], [:])
m4trace:m4/arpa_inet_h.m4:9: -1- AC_DEFUN([gl_HEADER_ARPA_INET], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])

  AC_CHECK_HEADERS_ONCE([arpa/inet.h])
  if test $ac_cv_header_arpa_inet_h = yes; then
    HAVE_ARPA_INET_H=1
  else
    HAVE_ARPA_INET_H=0
  fi
  AC_SUBST([HAVE_ARPA_INET_H])
  dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([arpa/inet.h])

  AC_REQUIRE([gl_FEATURES_H])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
/* On some systems, this header is not self-consistent.  */
#if !(defined __GLIBC__ || defined __UCLIBC__)
# include <sys/socket.h>
#endif
#ifdef __TANDEM
# include <netdb.h>
#endif
#include <arpa/inet.h>
    ]], [inet_ntop inet_pton])
])
m4trace:m4/arpa_inet_h.m4:41: -1- AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
m4trace:m4/arpa_inet_h.m4:48: -1- AC_DEFUN([gl_ARPA_INET_H_DEFAULTS], [
  GNULIB_INET_NTOP=0;     AC_SUBST([GNULIB_INET_NTOP])
  GNULIB_INET_PTON=0;     AC_SUBST([GNULIB_INET_PTON])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_DECL_INET_NTOP=1;  AC_SUBST([HAVE_DECL_INET_NTOP])
  HAVE_DECL_INET_PTON=1;  AC_SUBST([HAVE_DECL_INET_PTON])
  REPLACE_INET_NTOP=0;    AC_SUBST([REPLACE_INET_NTOP])
  REPLACE_INET_PTON=0;    AC_SUBST([REPLACE_INET_PTON])
])
m4trace:m4/btowc.m4:7: -1- AC_DEFUN([gl_FUNC_BTOWC], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  dnl Check whether <wchar.h> is usable at all, first. Otherwise the test
  dnl program below may lead to an endless loop. See
  dnl <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42440>.
  AC_REQUIRE([gl_WCHAR_H_INLINE_OK])

  AC_CHECK_FUNCS_ONCE([btowc])
  if test $ac_cv_func_btowc = no; then
    HAVE_BTOWC=0
  else

    AC_REQUIRE([AC_PROG_CC])
    AC_REQUIRE([gt_LOCALE_FR])
    AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

    dnl Cygwin 1.7.2 btowc('\0') is WEOF, not 0.
    AC_CACHE_CHECK([whether btowc(0) is correct],
      [gl_cv_func_btowc_nul],
      [
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  if (btowc ('\0') != 0)
    return 1;
  return 0;
}]])],
          [gl_cv_func_btowc_nul=yes],
          [gl_cv_func_btowc_nul=no],
          [
changequote(,)dnl
           case "$host_os" in
                      # Guess no on Cygwin.
             cygwin*) gl_cv_func_btowc_nul="guessing no" ;;
                      # Guess yes otherwise.
             *)       gl_cv_func_btowc_nul="guessing yes" ;;
           esac
changequote([,])dnl
          ])
      ])

    dnl IRIX 6.5 btowc(EOF) is 0xFF, not WEOF.
    AC_CACHE_CHECK([whether btowc(EOF) is correct],
      [gl_cv_func_btowc_eof],
      [
        dnl Initial guess, used when cross-compiling or when no suitable locale
        dnl is present.
changequote(,)dnl
        case "$host_os" in
                 # Guess no on IRIX.
          irix*) gl_cv_func_btowc_eof="guessing no" ;;
                 # Guess yes otherwise.
          *)     gl_cv_func_btowc_eof="guessing yes" ;;
        esac
changequote([,])dnl
        if test $LOCALE_FR != none; then
          AC_RUN_IFELSE(
            [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
    {
      if (btowc (EOF) != WEOF)
        return 1;
    }
  return 0;
}]])],
            [gl_cv_func_btowc_eof=yes],
            [gl_cv_func_btowc_eof=no],
            [:])
        fi
      ])

    case "$gl_cv_func_btowc_nul" in
      *yes) ;;
      *) REPLACE_BTOWC=1 ;;
    esac
    case "$gl_cv_func_btowc_eof" in
      *yes) ;;
      *) REPLACE_BTOWC=1 ;;
    esac
  fi
])
m4trace:m4/btowc.m4:114: -1- AC_DEFUN([gl_PREREQ_BTOWC], [
  :
])
m4trace:m4/builtin-expect.m4:10: -1- AC_DEFUN([gl___BUILTIN_EXPECT], [
  AC_CACHE_CHECK([for __builtin_expect],
    [gl_cv___builtin_expect],
    [AC_LINK_IFELSE(
       [AC_LANG_SOURCE([[
         int
         main (int argc, char **argv)
         {
           argc = __builtin_expect (argc, 100);
           return argv[argc != 100][0];
         }]])],
       [gl_cv___builtin_expect=yes],
       [AC_LINK_IFELSE(
          [AC_LANG_SOURCE([[
             #include <builtins.h>
             int
             main (int argc, char **argv)
             {
               argc = __builtin_expect (argc, 100);
               return argv[argc != 100][0];
             }]])],
          [gl_cv___builtin_expect="in <builtins.h>"],
          [gl_cv___builtin_expect=no])])])
  if test "$gl_cv___builtin_expect" = yes; then
    AC_DEFINE([HAVE___BUILTIN_EXPECT], [1])
  elif test "$gl_cv___builtin_expect" = "in <builtins.h>"; then
    AC_DEFINE([HAVE___BUILTIN_EXPECT], [2])
  fi
  AH_VERBATIM([HAVE___BUILTIN_EXPECT],
    [/* Define to 1 if the compiler supports __builtin_expect,
   and to 2 if <builtins.h> does.  */
#undef HAVE___BUILTIN_EXPECT
#ifndef HAVE___BUILTIN_EXPECT
# define __builtin_expect(e, c) (e)
#elif HAVE___BUILTIN_EXPECT == 2
# include <builtins.h>
#endif
    ])
])
m4trace:m4/c-stack.m4:12: -1- AC_DEFUN([AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC], [
   AC_REQUIRE([AC_CANONICAL_HOST])
   AC_CHECK_FUNCS_ONCE([setrlimit])
   AC_CHECK_HEADERS_ONCE([ucontext.h])

   dnl List of signals that are sent when an invalid virtual memory address
   dnl is accessed, or when the stack overflows.
   dnl Either { SIGSEGV } or { SIGSEGV, SIGBUS }.
   case "$host_os" in
     sunos4* | freebsd* | dragonfly* | openbsd* | mirbsd* | netbsd* | kfreebsd* | knetbsd*) # BSD systems
       FAULT_YIELDS_SIGBUS=1 ;;
     hpux*) # HP-UX
       FAULT_YIELDS_SIGBUS=1 ;;
     macos* | darwin*) # Mac OS X
       FAULT_YIELDS_SIGBUS=1 ;;
     gnu*) # Hurd
       FAULT_YIELDS_SIGBUS=1 ;;
     *)
       FAULT_YIELDS_SIGBUS=0 ;;
   esac
   AC_DEFINE_UNQUOTED([FAULT_YIELDS_SIGBUS], [$FAULT_YIELDS_SIGBUS],
     [Define to 1 if an invalid memory address access may yield a SIGBUS.])

   AC_CACHE_CHECK([for working C stack overflow detection],
     [ac_cv_sys_stack_overflow_works],
     [AC_RUN_IFELSE([AC_LANG_SOURCE(
           [[
            #include <unistd.h>
            #include <signal.h>
            #if HAVE_SETRLIMIT
            # include <sys/types.h>
            # include <sys/time.h>
            # include <sys/resource.h>
            #endif
            #ifndef SIGSTKSZ
            # define SIGSTKSZ 16384
            #endif

            static union
            {
              char buffer[2 * SIGSTKSZ];
              long double ld;
              long u;
              void *p;
            } alternate_signal_stack;

            static void
            segv_handler (int signo)
            {
              _exit (0);
            }

            static int
            c_stack_action ()
            {
              stack_t st;
              struct sigaction act;
              int r;

              st.ss_flags = 0;
              /* Use the midpoint to avoid Irix sigaltstack bug.  */
              st.ss_sp = alternate_signal_stack.buffer + SIGSTKSZ;
              st.ss_size = SIGSTKSZ;
              r = sigaltstack (&st, 0);
              if (r != 0)
                return 1;

              sigemptyset (&act.sa_mask);
              act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND;
              act.sa_handler = segv_handler;
              #if FAULT_YIELDS_SIGBUS
              if (sigaction (SIGBUS, &act, 0) < 0)
                return 2;
              #endif
              if (sigaction (SIGSEGV, &act, 0) < 0)
                return 3;
              return 0;
            }
            static volatile int *
            recurse_1 (volatile int n, volatile int *p)
            {
              if (n >= 0)
                *recurse_1 (n + 1, p) += n;
              return p;
            }
            static int
            recurse (volatile int n)
            {
              int sum = 0;
              return *recurse_1 (n, &sum);
            }
            int
            main ()
            {
              int result;
              #if HAVE_SETRLIMIT && defined RLIMIT_STACK
              /* Before starting the endless recursion, try to be friendly
                 to the user's machine.  On some Linux 2.2.x systems, there
                 is no stack limit for user processes at all.  We don't want
                 to kill such systems.  */
              struct rlimit rl;
              rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */
              setrlimit (RLIMIT_STACK, &rl);
              #endif

              result = c_stack_action ();
              if (result != 0)
                return result;
              return recurse (0);
            }
           ]])],
        [ac_cv_sys_stack_overflow_works=yes],
        [ac_cv_sys_stack_overflow_works=no],
        [ac_cv_sys_stack_overflow_works=cross-compiling])])

  if test $ac_cv_sys_stack_overflow_works = yes; then
   AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], [1],
     [Define to 1 if extending the stack slightly past the limit causes
      a SIGSEGV which can be handled on an alternate stack established
      with sigaltstack.])

    dnl The ss_sp field of a stack_t is, according to POSIX, the lowest address
    dnl of the memory block designated as an alternate stack. But IRIX 5.3
    dnl interprets it as the highest address!
    AC_CACHE_CHECK([for correct stack_t interpretation],
      [gl_cv_sigaltstack_low_base], [
      AC_RUN_IFELSE([
        AC_LANG_SOURCE([[
#include <stdlib.h>
#include <signal.h>
#if HAVE_SYS_SIGNAL_H
# include <sys/signal.h>
#endif
#ifndef SIGSTKSZ
# define SIGSTKSZ 16384
#endif
volatile char *stack_lower_bound;
volatile char *stack_upper_bound;
static void check_stack_location (volatile char *addr)
{
  if (addr >= stack_lower_bound && addr <= stack_upper_bound)
    exit (0);
  else
    exit (1);
}
static void stackoverflow_handler (int sig)
{
  char dummy;
  check_stack_location (&dummy);
}
int main ()
{
  char mystack[2 * SIGSTKSZ];
  stack_t altstack;
  struct sigaction action;
  /* Install the alternate stack.  */
  altstack.ss_sp = mystack + SIGSTKSZ;
  altstack.ss_size = SIGSTKSZ;
  stack_lower_bound = (char *) altstack.ss_sp;
  stack_upper_bound = (char *) altstack.ss_sp + altstack.ss_size - 1;
  altstack.ss_flags = 0; /* no SS_DISABLE */
  if (sigaltstack (&altstack, NULL) < 0)
    exit (2);
  /* Install the SIGSEGV handler.  */
  sigemptyset (&action.sa_mask);
  action.sa_handler = &stackoverflow_handler;
  action.sa_flags = SA_ONSTACK;
  if (sigaction (SIGSEGV, &action, (struct sigaction *) NULL) < 0)
    exit(3);
  /* Provoke a SIGSEGV.  */
  raise (SIGSEGV);
  exit (4);
}]])],
      [gl_cv_sigaltstack_low_base=yes],
      [gl_cv_sigaltstack_low_base=no],
      [gl_cv_sigaltstack_low_base=cross-compiling])])
   if test "$gl_cv_sigaltstack_low_base" = no; then
      AC_DEFINE([SIGALTSTACK_SS_REVERSED], [1],
        [Define if sigaltstack() interprets the stack_t.ss_sp field
         incorrectly, as the highest address of the alternate stack range
         rather than as the lowest address.])
    fi

   AC_CACHE_CHECK([for precise C stack overflow detection],
     ac_cv_sys_xsi_stack_overflow_heuristic,
     [AC_RUN_IFELSE([AC_LANG_SOURCE(
           [[
            #include <unistd.h>
            #include <signal.h>
            #if HAVE_UCONTEXT_H
            # include <ucontext.h>
            #endif
            #if HAVE_SETRLIMIT
            # include <sys/types.h>
            # include <sys/time.h>
            # include <sys/resource.h>
            #endif
            #ifndef SIGSTKSZ
            # define SIGSTKSZ 16384
            #endif

            static union
            {
              char buffer[2 * SIGSTKSZ];
              long double ld;
              long u;
              void *p;
            } alternate_signal_stack;

            #if STACK_DIRECTION
            # define find_stack_direction(ptr) STACK_DIRECTION
            #else
            static int
            find_stack_direction (char const *addr)
            {
              char dummy;
              return (! addr ? find_stack_direction (&dummy)
                      : addr < &dummy ? 1 : -1);
            }
            #endif

            static void
            segv_handler (int signo, siginfo_t *info, void *context)
            {
              if (0 < info->si_code)
                {
                  /* For XSI heuristics to work, we need uc_stack to describe
                     the interrupted stack (as on Solaris), and not the
                     currently executing stack (as on Linux).  */
                  ucontext_t const *user_context = context;
                  char const *stack_min = user_context->uc_stack.ss_sp;
                  size_t stack_size = user_context->uc_stack.ss_size;
                  char const *faulting_address = info->si_addr;
                  size_t s = faulting_address - stack_min;
                  size_t page_size = sysconf (_SC_PAGESIZE);
                  if (find_stack_direction (0) < 0)
                    s += page_size;
                  if (s < stack_size + page_size)
                    _exit (0);
                  _exit (4);
                }
              _exit (5);
            }

            static int
            c_stack_action ()
            {
              stack_t st;
              struct sigaction act;
              int r;

              st.ss_flags = 0;
              /* Use the midpoint to avoid Irix sigaltstack bug.  */
              st.ss_sp = alternate_signal_stack.buffer + SIGSTKSZ;
              st.ss_size = SIGSTKSZ;
              r = sigaltstack (&st, 0);
              if (r != 0)
                return 1;

              sigemptyset (&act.sa_mask);
              act.sa_flags = SA_NODEFER | SA_ONSTACK | SA_RESETHAND | SA_SIGINFO;
              act.sa_sigaction = segv_handler;
              #if FAULT_YIELDS_SIGBUS
              if (sigaction (SIGBUS, &act, 0) < 0)
                return 2;
              #endif
              if (sigaction (SIGSEGV, &act, 0) < 0)
                return 3;
              return 0;
            }
            static volatile int *
            recurse_1 (volatile int n, volatile int *p)
            {
              if (n >= 0)
                *recurse_1 (n + 1, p) += n;
              return p;
            }
            static int
            recurse (volatile int n)
            {
              int sum = 0;
              return *recurse_1 (n, &sum);
            }
            int
            main ()
            {
              int result;
              #if HAVE_SETRLIMIT && defined RLIMIT_STACK
              /* Before starting the endless recursion, try to be friendly
                 to the user's machine.  On some Linux 2.2.x systems, there
                 is no stack limit for user processes at all.  We don't want
                 to kill such systems.  */
              struct rlimit rl;
              rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */
              setrlimit (RLIMIT_STACK, &rl);
              #endif

              result = c_stack_action ();
              if (result != 0)
                return result;
              return recurse (0);
            }
           ]])],
        [ac_cv_sys_xsi_stack_overflow_heuristic=yes],
        [ac_cv_sys_xsi_stack_overflow_heuristic=no],
        [ac_cv_sys_xsi_stack_overflow_heuristic=cross-compiling])])

   if test $ac_cv_sys_xsi_stack_overflow_heuristic = yes; then
     AC_DEFINE([HAVE_XSI_STACK_OVERFLOW_HEURISTIC], [1],
       [Define to 1 if extending the stack slightly past the limit causes
        a SIGSEGV, and an alternate stack can be established with sigaltstack,
        and the signal handler is passed a context that specifies the
        run time stack.  This behavior is defined by POSIX 1003.1-2001
        with the X/Open System Interface (XSI) option
        and is a standardized way to implement a SEGV-based stack
        overflow detection heuristic.])
   fi
  fi])
m4trace:m4/c-stack.m4:333: -1- AC_DEFUN([gl_PREREQ_C_STACK], [AC_REQUIRE([AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC])
   AC_REQUIRE([gl_LIBSIGSEGV])

   # for STACK_DIRECTION
   AC_REQUIRE([AC_FUNC_ALLOCA])

   AC_CHECK_FUNCS_ONCE([sigaltstack])
   AC_CHECK_DECLS([sigaltstack], , , [[#include <signal.h>]])

   AC_CHECK_HEADERS_ONCE([unistd.h ucontext.h])

   AC_CHECK_TYPES([stack_t], , , [#include <signal.h>])

   dnl c-stack does not need -lsigsegv if the system has XSI heuristics.
   if test "$gl_cv_lib_sigsegv" = yes \
       && test $"ac_cv_sys_xsi_stack_overflow_heuristic" != yes ; then
     AC_SUBST([LIBCSTACK], [$LIBSIGSEGV])
     AC_SUBST([LTLIBCSTACK], [$LTLIBSIGSEGV])
   fi
])
m4trace:m4/c-stack.m4:355: -1- AC_DEFUN([gl_C_STACK], [
  dnl Prerequisites of lib/c-stack.c.
  gl_PREREQ_C_STACK
])
m4trace:m4/clock_time.m4:12: -1- AC_DEFUN([gl_CLOCK_TIME], [
  dnl Persuade glibc and Solaris <time.h> to declare these functions.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.

  # Save and restore LIBS so e.g., -lrt, isn't added to it.  Otherwise, *all*
  # programs in the package would end up linked with that potentially-shared
  # library, inducing unnecessary run-time overhead.
  LIB_CLOCK_GETTIME=
  AC_SUBST([LIB_CLOCK_GETTIME])
  gl_saved_libs=$LIBS
    AC_SEARCH_LIBS([clock_gettime], [rt posix4],
                   [test "$ac_cv_search_clock_gettime" = "none required" ||
                    LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
    AC_CHECK_FUNCS([clock_gettime clock_settime])
  LIBS=$gl_saved_libs
])
m4trace:m4/close.m4:7: -1- AC_DEFUN([gl_FUNC_CLOSE], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  m4_ifdef([gl_MSVC_INVAL], [
    AC_REQUIRE([gl_MSVC_INVAL])
    if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
      REPLACE_CLOSE=1
    fi
  ])
  m4_ifdef([gl_PREREQ_SYS_H_WINSOCK2], [
    gl_PREREQ_SYS_H_WINSOCK2
    if test $UNISTD_H_HAVE_WINSOCK2_H = 1; then
      dnl Even if the 'socket' module is not used here, another part of the
      dnl application may use it and pass file descriptors that refer to
      dnl sockets to the close() function. So enable the support for sockets.
      REPLACE_CLOSE=1
    fi
  ])
  dnl Replace close() for supporting the gnulib-defined fchdir() function,
  dnl to keep fchdir's bookkeeping up-to-date.
  m4_ifdef([gl_FUNC_FCHDIR], [
    if test $REPLACE_CLOSE = 0; then
      gl_TEST_FCHDIR
      if test $HAVE_FCHDIR = 0; then
        REPLACE_CLOSE=1
      fi
    fi
  ])
])
m4trace:m4/codeset.m4:10: -1- AC_DEFUN([AM_LANGINFO_CODESET], [
  AC_CACHE_CHECK([for nl_langinfo and CODESET], [am_cv_langinfo_codeset],
    [AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <langinfo.h>]],
          [[char* cs = nl_langinfo(CODESET); return !cs;]])],
       [am_cv_langinfo_codeset=yes],
       [am_cv_langinfo_codeset=no])
    ])
  if test $am_cv_langinfo_codeset = yes; then
    AC_DEFINE([HAVE_LANGINFO_CODESET], [1],
      [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  fi
])
m4trace:m4/config-h.m4:12: -1- AC_DEFUN([gl_CONFIG_H], [AC_CONFIG_COMMANDS_PRE([test "X$DEFS" = X-DHAVE_CONFIG_H && DEFS=])])
m4trace:m4/configmake.m4:13: -1- AC_DEFUN([gl_CONFIGMAKE_PREP], [
  dnl Technically, datadir should default to datarootdir.  But if
  dnl autoconf is too old to provide datarootdir, then reversing the
  dnl definition is a reasonable compromise.  Only AC_SUBST a variable
  dnl if it was not already defined earlier by autoconf.
  if test "x$datarootdir" = x; then
    AC_SUBST([datarootdir], ['${datadir}'])
  fi
  dnl Copy the approach used in autoconf 2.60.
  if test "x$docdir" = x; then
    AC_SUBST([docdir], [m4_ifset([AC_PACKAGE_TARNAME],
      ['${datarootdir}/doc/${PACKAGE_TARNAME}'],
      ['${datarootdir}/doc/${PACKAGE}'])])
  fi
  dnl The remaining variables missing from autoconf 2.59 are easier.
  if test "x$htmldir" = x; then
    AC_SUBST([htmldir], ['${docdir}'])
  fi
  if test "x$dvidir" = x; then
    AC_SUBST([dvidir], ['${docdir}'])
  fi
  if test "x$pdfdir" = x; then
    AC_SUBST([pdfdir], ['${docdir}'])
  fi
  if test "x$psdir" = x; then
    AC_SUBST([psdir], ['${docdir}'])
  fi
  if test "x$lispdir" = x; then
    AC_SUBST([lispdir], ['${datarootdir}/emacs/site-lisp'])
  fi
  if test "x$localedir" = x; then
    AC_SUBST([localedir], ['${datarootdir}/locale'])
  fi
  dnl Added in autoconf 2.70
  if test "x$runstatedir" = x; then
    AC_SUBST([runstatedir], ['${localstatedir}/run'])
  fi

  dnl Automake 1.9.6 only lacks pkglibexecdir; and since 1.11 merely
  dnl provides it without AC_SUBST, this blind use of AC_SUBST is safe.
  AC_SUBST([pkglibexecdir], ['${libexecdir}/${PACKAGE}'])
])
m4trace:m4/ctype.m4:7: -1- AC_DEFUN([gl_CTYPE_H], [
  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])

  dnl <ctype.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_NEXT_HEADERS([ctype.h])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <ctype.h>
    ]], [isblank])
])
m4trace:m4/ctype.m4:20: -1- AC_DEFUN([gl_CTYPE_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
m4trace:m4/ctype.m4:27: -1- AC_DEFUN([gl_CTYPE_H_DEFAULTS], [
  GNULIB_ISBLANK=0; AC_SUBST([GNULIB_ISBLANK])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_ISBLANK=1;   AC_SUBST([HAVE_ISBLANK])
])
m4trace:m4/dirname.m4:7: -1- AC_DEFUN([gl_DIRNAME], [
  AC_REQUIRE([gl_DIRNAME_LGPL])
])
m4trace:m4/dirname.m4:12: -1- AC_DEFUN([gl_DIRNAME_LGPL], [
  dnl Prerequisites of lib/dirname.h.
  AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])

  dnl No prerequisites of lib/basename-lgpl.c, lib/dirname-lgpl.c,
  dnl lib/stripslash.c.
])
m4trace:m4/double-slash-root.m4:7: -1- AC_DEFUN([gl_DOUBLE_SLASH_ROOT], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CACHE_CHECK([whether // is distinct from /], [gl_cv_double_slash_root],
    [ if test x"$cross_compiling" = xyes ; then
        # When cross-compiling, there is no way to tell whether // is special
        # short of a list of hosts.  However, the only known hosts to date
        # that have a distinct // are Apollo DomainOS (too old to port to),
        # Cygwin, and z/OS.  If anyone knows of another system for which // has
        # special semantics and is distinct from /, please report it to
        # <bug-gnulib@gnu.org>.
        case $host in
          *-cygwin | i370-ibm-openedition)
            gl_cv_double_slash_root=yes ;;
          *)
            # Be optimistic and assume that / and // are the same when we
            # don't know.
            gl_cv_double_slash_root='unknown, assuming no' ;;
        esac
      else
        set x `ls -di / // 2>/dev/null`
        if test "$[2]" = "$[4]" && wc //dev/null >/dev/null 2>&1; then
          gl_cv_double_slash_root=no
        else
          gl_cv_double_slash_root=yes
        fi
      fi])
  if test "$gl_cv_double_slash_root" = yes; then
    AC_DEFINE([DOUBLE_SLASH_IS_DISTINCT_ROOT], [1],
      [Define to 1 if // is a file system root distinct from /.])
  fi
])
m4trace:m4/dup2.m4:7: -1- AC_DEFUN([gl_FUNC_DUP2], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  m4_ifdef([gl_FUNC_DUP2_OBSOLETE], [
    AC_CHECK_FUNCS_ONCE([dup2])
    if test $ac_cv_func_dup2 = no; then
      HAVE_DUP2=0
    fi
  ], [
    AC_DEFINE([HAVE_DUP2], [1], [Define to 1 if you have the 'dup2' function.])
  ])
  if test $HAVE_DUP2 = 1; then
    AC_CACHE_CHECK([whether dup2 works], [gl_cv_func_dup2_works],
      [AC_RUN_IFELSE([
         AC_LANG_PROGRAM(
           [[#include <errno.h>
             #include <fcntl.h>
             #include <limits.h>
             #include <sys/resource.h>
             #include <unistd.h>
             #ifndef RLIM_SAVED_CUR
             # define RLIM_SAVED_CUR RLIM_INFINITY
             #endif
             #ifndef RLIM_SAVED_MAX
             # define RLIM_SAVED_MAX RLIM_INFINITY
             #endif
           ]],
           [[int result = 0;
             int bad_fd = INT_MAX;
             struct rlimit rlim;
             if (getrlimit (RLIMIT_NOFILE, &rlim) == 0
                 && 0 <= rlim.rlim_cur && rlim.rlim_cur <= INT_MAX
                 && rlim.rlim_cur != RLIM_INFINITY
                 && rlim.rlim_cur != RLIM_SAVED_MAX
                 && rlim.rlim_cur != RLIM_SAVED_CUR)
               bad_fd = rlim.rlim_cur;
             #ifdef FD_CLOEXEC
               if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1)
                 result |= 1;
             #endif
             if (dup2 (1, 1) != 1)
               result |= 2;
             #ifdef FD_CLOEXEC
               if (fcntl (1, F_GETFD) != FD_CLOEXEC)
                 result |= 4;
             #endif
             close (0);
             if (dup2 (0, 0) != -1)
               result |= 8;
             /* Many gnulib modules require POSIX conformance of EBADF.  */
             if (dup2 (2, bad_fd) == -1 && errno != EBADF)
               result |= 16;
             /* Flush out some cygwin core dumps.  */
             if (dup2 (2, -1) != -1 || errno != EBADF)
               result |= 32;
             dup2 (2, 255);
             dup2 (2, 256);
             /* On OS/2 kLIBC, dup2() does not work on a directory fd.  */
             {
               int fd = open (".", O_RDONLY);
               if (fd == -1)
                 result |= 64;
               else if (dup2 (fd, fd + 1) == -1)
                 result |= 128;

               close (fd);
             }
             return result;]])
        ],
        [gl_cv_func_dup2_works=yes], [gl_cv_func_dup2_works=no],
        [case "$host_os" in
           mingw*) # on this platform, dup2 always returns 0 for success
             gl_cv_func_dup2_works="guessing no" ;;
           cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0
             gl_cv_func_dup2_works="guessing no" ;;
           aix* | freebsd*)
                   # on AIX 7.1 and FreeBSD 6.1, dup2 (1,toobig) gives EMFILE,
                   # not EBADF.
             gl_cv_func_dup2_works="guessing no" ;;
           haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC.
             gl_cv_func_dup2_works="guessing no" ;;
           *-android*) # implemented using dup3(), which fails if oldfd == newfd
             gl_cv_func_dup2_works="guessing no" ;;
           os2*) # on OS/2 kLIBC, dup2() does not work on a directory fd.
             gl_cv_func_dup2_works="guessing no" ;;
           *) gl_cv_func_dup2_works="guessing yes" ;;
         esac])
      ])
    case "$gl_cv_func_dup2_works" in
      *yes) ;;
      *)
        REPLACE_DUP2=1
        AC_CHECK_FUNCS([setdtablesize])
        ;;
    esac
  fi
  dnl Replace dup2() for supporting the gnulib-defined fchdir() function,
  dnl to keep fchdir's bookkeeping up-to-date.
  m4_ifdef([gl_FUNC_FCHDIR], [
    gl_TEST_FCHDIR
    if test $HAVE_FCHDIR = 0; then
      if test $HAVE_DUP2 = 1; then
        REPLACE_DUP2=1
      fi
    fi
  ])
])
m4trace:m4/dup2.m4:117: -1- AC_DEFUN([gl_PREREQ_DUP2], [])
m4trace:m4/eealloc.m4:7: -1- AC_DEFUN([gl_EEALLOC], [
  AC_REQUIRE([gl_EEMALLOC])
  AC_REQUIRE([gl_EEREALLOC])
])
m4trace:m4/eealloc.m4:13: -1- AC_DEFUN([gl_EEMALLOC], [
  _AC_FUNC_MALLOC_IF(
    [gl_cv_func_malloc_0_nonnull=1],
    [gl_cv_func_malloc_0_nonnull=0])
  AC_DEFINE_UNQUOTED([MALLOC_0_IS_NONNULL], [$gl_cv_func_malloc_0_nonnull],
    [If malloc(0) is != NULL, define this to 1.  Otherwise define this
     to 0.])
])
m4trace:m4/eealloc.m4:23: -1- AC_DEFUN([gl_EEREALLOC], [
  _AC_FUNC_REALLOC_IF(
    [gl_cv_func_realloc_0_nonnull=1],
    [gl_cv_func_realloc_0_nonnull=0])
  AC_DEFINE_UNQUOTED([REALLOC_0_IS_NONNULL], [$gl_cv_func_realloc_0_nonnull],
    [If realloc(NULL,0) is != NULL, define this to 1.  Otherwise define this
     to 0.])
])
m4trace:m4/environ.m4:7: -1- AC_DEFUN_ONCE([gl_ENVIRON], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  dnl Persuade glibc <unistd.h> to declare environ.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_HEADERS_ONCE([unistd.h])
  gt_CHECK_VAR_DECL(
    [#if HAVE_UNISTD_H
     #include <unistd.h>
     #endif
     /* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>.  */
     #include <stdlib.h>
    ],
    [environ])
  if test $gt_cv_var_environ_declaration != yes; then
    HAVE_DECL_ENVIRON=0
  fi
])
m4trace:m4/environ.m4:29: -1- AC_DEFUN([gt_CHECK_VAR_DECL], [
  define([gt_cv_var], [gt_cv_var_]$2[_declaration])
  AC_MSG_CHECKING([if $2 is properly declared])
  AC_CACHE_VAL([gt_cv_var], [
    AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM(
         [[$1
           extern struct { int foo; } $2;]],
         [[$2.foo = 1;]])],
      [gt_cv_var=no],
      [gt_cv_var=yes])])
  AC_MSG_RESULT([$gt_cv_var])
  if test $gt_cv_var = yes; then
    AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1,
              [Define if you have the declaration of $2.])
  fi
  undefine([gt_cv_var])
])
m4trace:m4/errno_h.m4:7: -1- AC_DEFUN_ONCE([gl_HEADER_ERRNO_H], [
  AC_REQUIRE([AC_PROG_CC])
  AC_CACHE_CHECK([for complete errno.h], [gl_cv_header_errno_h_complete], [
    AC_EGREP_CPP([booboo],[
#include <errno.h>
#if !defined ETXTBSY
booboo
#endif
#if !defined ENOMSG
booboo
#endif
#if !defined EIDRM
booboo
#endif
#if !defined ENOLINK
booboo
#endif
#if !defined EPROTO
booboo
#endif
#if !defined EMULTIHOP
booboo
#endif
#if !defined EBADMSG
booboo
#endif
#if !defined EOVERFLOW
booboo
#endif
#if !defined ENOTSUP
booboo
#endif
#if !defined ENETRESET
booboo
#endif
#if !defined ECONNABORTED
booboo
#endif
#if !defined ESTALE
booboo
#endif
#if !defined EDQUOT
booboo
#endif
#if !defined ECANCELED
booboo
#endif
#if !defined EOWNERDEAD
booboo
#endif
#if !defined ENOTRECOVERABLE
booboo
#endif
#if !defined EILSEQ
booboo
#endif
      ],
      [gl_cv_header_errno_h_complete=no],
      [gl_cv_header_errno_h_complete=yes])
  ])
  if test $gl_cv_header_errno_h_complete = yes; then
    ERRNO_H=''
  else
    gl_NEXT_HEADERS([errno.h])
    ERRNO_H='errno.h'
  fi
  AC_SUBST([ERRNO_H])
  AM_CONDITIONAL([GL_GENERATE_ERRNO_H], [test -n "$ERRNO_H"])
  gl_REPLACE_ERRNO_VALUE([EMULTIHOP])
  gl_REPLACE_ERRNO_VALUE([ENOLINK])
  gl_REPLACE_ERRNO_VALUE([EOVERFLOW])
])
m4trace:m4/errno_h.m4:87: -1- AC_DEFUN([gl_REPLACE_ERRNO_VALUE], [
  if test -n "$ERRNO_H"; then
    AC_CACHE_CHECK([for ]$1[ value], [gl_cv_header_errno_h_]$1, [
      AC_EGREP_CPP([yes],[
#include <errno.h>
#ifdef ]$1[
yes
#endif
      ],
      [gl_cv_header_errno_h_]$1[=yes],
      [gl_cv_header_errno_h_]$1[=no])
      if test $gl_cv_header_errno_h_]$1[ = no; then
        AC_EGREP_CPP([yes],[
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
#ifdef ]$1[
yes
#endif
          ], [gl_cv_header_errno_h_]$1[=hidden])
        if test $gl_cv_header_errno_h_]$1[ = hidden; then
          dnl The macro exists but is hidden.
          dnl Define it to the same value.
          AC_COMPUTE_INT([gl_cv_header_errno_h_]$1, $1, [
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
/* The following two lines are a workaround against an autoconf-2.52 bug.  */
#include <stdio.h>
#include <stdlib.h>
])
        fi
      fi
    ])
    case $gl_cv_header_errno_h_$1 in
      yes | no)
        $1_HIDDEN=0; $1_VALUE=
        ;;
      *)
        $1_HIDDEN=1; $1_VALUE="$gl_cv_header_errno_h_$1"
        ;;
    esac
    AC_SUBST($1[_HIDDEN])
    AC_SUBST($1[_VALUE])
  fi
])
m4trace:m4/error.m4:9: -1- AC_DEFUN([gl_ERROR], [
  dnl We don't use AC_FUNC_ERROR_AT_LINE any more, because it is no longer
  dnl maintained in Autoconf and because it invokes AC_LIBOBJ.
  AC_CACHE_CHECK([for error_at_line], [ac_cv_lib_error_at_line],
    [AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <error.h>]],
          [[error_at_line (0, 0, "", 0, "an error occurred");]])],
       [ac_cv_lib_error_at_line=yes],
       [ac_cv_lib_error_at_line=no])])
])
m4trace:m4/error.m4:23: -1- AC_DEFUN([gl_PREREQ_ERROR], [
  AC_REQUIRE([AC_FUNC_STRERROR_R])
  :
])
m4trace:m4/exponentd.m4:6: -1- AC_DEFUN([gl_DOUBLE_EXPONENT_LOCATION], [
  AC_CACHE_CHECK([where to find the exponent in a 'double'],
    [gl_cv_cc_double_expbit0],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <float.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#define NWORDS \
  ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
typedef union { double value; unsigned int word[NWORDS]; } memory_double;
static unsigned int ored_words[NWORDS];
static unsigned int anded_words[NWORDS];
static void add_to_ored_words (double x)
{
  memory_double m;
  size_t i;
  /* Clear it first, in case sizeof (double) < sizeof (memory_double).  */
  memset (&m, 0, sizeof (memory_double));
  m.value = x;
  for (i = 0; i < NWORDS; i++)
    {
      ored_words[i] |= m.word[i];
      anded_words[i] &= m.word[i];
    }
}
int main ()
{
  size_t j;
  FILE *fp = fopen ("conftest.out", "w");
  if (fp == NULL)
    return 1;
  for (j = 0; j < NWORDS; j++)
    anded_words[j] = ~ (unsigned int) 0;
  add_to_ored_words (0.25);
  add_to_ored_words (0.5);
  add_to_ored_words (1.0);
  add_to_ored_words (2.0);
  add_to_ored_words (4.0);
  /* Remove bits that are common (e.g. if representation of the first mantissa
     bit is explicit).  */
  for (j = 0; j < NWORDS; j++)
    ored_words[j] &= ~anded_words[j];
  /* Now find the nonzero word.  */
  for (j = 0; j < NWORDS; j++)
    if (ored_words[j] != 0)
      break;
  if (j < NWORDS)
    {
      size_t i;
      for (i = j + 1; i < NWORDS; i++)
        if (ored_words[i] != 0)
          {
            fprintf (fp, "unknown");
            return (fclose (fp) != 0);
          }
      for (i = 0; ; i++)
        if ((ored_words[j] >> i) & 1)
          {
            fprintf (fp, "word %d bit %d", (int) j, (int) i);
            return (fclose (fp) != 0);
          }
    }
  fprintf (fp, "unknown");
  return (fclose (fp) != 0);
}
        ]])],
        [gl_cv_cc_double_expbit0=`cat conftest.out`],
        [gl_cv_cc_double_expbit0="unknown"],
        [
          dnl On ARM, there are two 'double' floating-point formats, used by
          dnl different sets of instructions: The older FPA instructions assume
          dnl that they are stored in big-endian word order, while the words
          dnl (like integer types) are stored in little-endian byte order.
          dnl The newer VFP instructions assume little-endian order
          dnl consistently.
          AC_EGREP_CPP([mixed_endianness], [
#if defined arm || defined __arm || defined __arm__
  mixed_endianness
#endif
            ],
            [gl_cv_cc_double_expbit0="unknown"],
            [
              pushdef([AC_MSG_CHECKING],[:])dnl
              pushdef([AC_MSG_RESULT],[:])dnl
              pushdef([AC_MSG_RESULT_UNQUOTED],[:])dnl
              AC_C_BIGENDIAN(
                [gl_cv_cc_double_expbit0="word 0 bit 20"],
                [gl_cv_cc_double_expbit0="word 1 bit 20"],
                [gl_cv_cc_double_expbit0="unknown"])
              popdef([AC_MSG_RESULT_UNQUOTED])dnl
              popdef([AC_MSG_RESULT])dnl
              popdef([AC_MSG_CHECKING])dnl
            ])
        ])
      rm -f conftest.out
    ])
  case "$gl_cv_cc_double_expbit0" in
    word*bit*)
      word=`echo "$gl_cv_cc_double_expbit0" | sed -e 's/word //' -e 's/ bit.*//'`
      bit=`echo "$gl_cv_cc_double_expbit0" | sed -e 's/word.*bit //'`
      AC_DEFINE_UNQUOTED([DBL_EXPBIT0_WORD], [$word],
        [Define as the word index where to find the exponent of 'double'.])
      AC_DEFINE_UNQUOTED([DBL_EXPBIT0_BIT], [$bit],
        [Define as the bit index in the word where to find bit 0 of the exponent of 'double'.])
      ;;
  esac
])
m4trace:m4/extensions.m4:38: -1- AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS], [AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
AC_BEFORE([$0], [AC_RUN_IFELSE])dnl

  AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=])
  if test "$MINIX" = yes; then
    AC_DEFINE([_POSIX_SOURCE], [1],
      [Define to 1 if you need to in order for 'stat' and other
       things to work.])
    AC_DEFINE([_POSIX_1_SOURCE], [2],
      [Define to 2 if the system does not provide POSIX.1 features
       except with this defined.])
    AC_DEFINE([_MINIX], [1],
      [Define to 1 if on MINIX.])
    AC_DEFINE([_NETBSD_SOURCE], [1],
      [Define to 1 to make NetBSD features available.  MINIX 3 needs this.])
  fi

dnl Use a different key than __EXTENSIONS__, as that name broke existing
dnl configure.ac when using autoheader 2.62.
  AH_VERBATIM([USE_SYSTEM_EXTENSIONS],
[/* Enable extensions on AIX 3, Interix.  */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable general extensions on macOS.  */
#ifndef _DARWIN_C_SOURCE
# undef _DARWIN_C_SOURCE
#endif
/* Enable GNU extensions on systems that have them.  */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris.  */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
# undef __STDC_WANT_IEC_60559_BFP_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
# undef __STDC_WANT_IEC_60559_DFP_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
# undef __STDC_WANT_IEC_60559_TYPES_EXT__
#endif
/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
#ifndef __STDC_WANT_LIB_EXT2__
# undef __STDC_WANT_LIB_EXT2__
#endif
/* Enable extensions specified by ISO/IEC 24747:2009.  */
#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
# undef __STDC_WANT_MATH_SPEC_FUNCS__
#endif
/* Enable extensions on HP NonStop.  */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable X/Open extensions if necessary.  HP-UX 11.11 defines
   mbstate_t only if _XOPEN_SOURCE is defined to 500, regardless of
   whether compiling with -Ae or -D_HPUX_SOURCE=1.  */
#ifndef _XOPEN_SOURCE
# undef _XOPEN_SOURCE
#endif
/* Enable general extensions on Solaris.  */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
])
  AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
    [ac_cv_safe_to_define___extensions__],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM([[
#         define __EXTENSIONS__ 1
          ]AC_INCLUDES_DEFAULT])],
       [ac_cv_safe_to_define___extensions__=yes],
       [ac_cv_safe_to_define___extensions__=no])])
  test $ac_cv_safe_to_define___extensions__ = yes &&
    AC_DEFINE([__EXTENSIONS__])
  AC_DEFINE([_ALL_SOURCE])
  AC_DEFINE([_DARWIN_C_SOURCE])
  AC_DEFINE([_GNU_SOURCE])
  AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
  AC_DEFINE([__STDC_WANT_IEC_60559_ATTRIBS_EXT__])
  AC_DEFINE([__STDC_WANT_IEC_60559_BFP_EXT__])
  AC_DEFINE([__STDC_WANT_IEC_60559_DFP_EXT__])
  AC_DEFINE([__STDC_WANT_IEC_60559_FUNCS_EXT__])
  AC_DEFINE([__STDC_WANT_IEC_60559_TYPES_EXT__])
  AC_DEFINE([__STDC_WANT_LIB_EXT2__])
  AC_DEFINE([__STDC_WANT_MATH_SPEC_FUNCS__])
  AC_DEFINE([_TANDEM_SOURCE])
  AC_CACHE_CHECK([whether _XOPEN_SOURCE should be defined],
    [ac_cv_should_define__xopen_source],
    [ac_cv_should_define__xopen_source=no
     AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM([[
          #include <wchar.h>
          mbstate_t x;]])],
       [],
       [AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM([[
             #define _XOPEN_SOURCE 500
             #include <wchar.h>
             mbstate_t x;]])],
          [ac_cv_should_define__xopen_source=yes])])])
  test $ac_cv_should_define__xopen_source = yes &&
    AC_DEFINE([_XOPEN_SOURCE], [500])
])
m4trace:m4/extensions.m4:162: -1- AC_DEFUN_ONCE([gl_USE_SYSTEM_EXTENSIONS], [
  dnl Require this macro before AC_USE_SYSTEM_EXTENSIONS.
  dnl gnulib does not need it. But if it gets required by third-party macros
  dnl after AC_USE_SYSTEM_EXTENSIONS is required, autoconf 2.62..2.63 emit a
  dnl warning: "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS".
  dnl Note: We can do this only for one of the macros AC_AIX, AC_GNU_SOURCE,
  dnl AC_MINIX. If people still use AC_AIX or AC_MINIX, they are out of luck.
  AC_REQUIRE([AC_GNU_SOURCE])

  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])
m4trace:m4/extern-inline.m4:8: -1- AC_DEFUN([gl_EXTERN_INLINE], [
  AH_VERBATIM([extern_inline],
[/* Please see the Gnulib manual for how to use these macros.

   Suppress extern inline with HP-UX cc, as it appears to be broken; see
   <http://lists.gnu.org/archive/html/bug-texinfo/2013-02/msg00030.html>.

   Suppress extern inline with Sun C in standards-conformance mode, as it
   mishandles inline functions that call each other.  E.g., for 'inline void f
   (void) { } inline void g (void) { f (); }', c99 incorrectly complains
   'reference to static identifier "f" in extern inline function'.
   This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16.

   Suppress extern inline (with or without __attribute__ ((__gnu_inline__)))
   on configurations that mistakenly use 'static inline' to implement
   functions or macros in standard C headers like <ctype.h>.  For example,
   if isdigit is mistakenly implemented via a static inline function,
   a program containing an extern inline function that calls isdigit
   may not work since the C standard prohibits extern inline functions
   from calling static functions.  This bug is known to occur on:

     OS X 10.8 and earlier; see:
     http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html

     DragonFly; see
     http://muscles.dragonflybsd.org/bulk/bleeding-edge-potential/latest-per-pkg/ah-tty-0.3.12.log

     FreeBSD; see:
     http://lists.gnu.org/archive/html/bug-gnulib/2014-07/msg00104.html

   OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and
   for clang but remains for g++; see <http://trac.macports.org/ticket/41033>.
   Assume DragonFly and FreeBSD will be similar.  */
#if (((defined __APPLE__ && defined __MACH__) \
      || defined __DragonFly__ || defined __FreeBSD__) \
     && (defined __header_inline \
         ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \
            && ! defined __clang__) \
         : ((! defined _DONT_USE_CTYPE_INLINE_ \
             && (defined __GNUC__ || defined __cplusplus)) \
            || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \
                && defined __GNUC__ && ! defined __cplusplus))))
# define _GL_EXTERN_INLINE_STDHEADER_BUG
#endif
#if ((__GNUC__ \
      ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
      : (199901L <= __STDC_VERSION__ \
         && !defined __HP_cc \
         && !defined __PGI \
         && !(defined __SUNPRO_C && __STDC__))) \
     && !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
# define _GL_INLINE inline
# define _GL_EXTERN_INLINE extern inline
# define _GL_EXTERN_INLINE_IN_USE
#elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \
       && !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__
   /* __gnu_inline__ suppresses a GCC 4.2 diagnostic.  */
#  define _GL_INLINE extern inline __attribute__ ((__gnu_inline__))
# else
#  define _GL_INLINE extern inline
# endif
# define _GL_EXTERN_INLINE extern
# define _GL_EXTERN_INLINE_IN_USE
#else
# define _GL_INLINE static _GL_UNUSED
# define _GL_EXTERN_INLINE static _GL_UNUSED
#endif

/* In GCC 4.6 (inclusive) to 5.1 (exclusive),
   suppress bogus "no previous prototype for 'FOO'"
   and "no previous declaration for 'FOO'" diagnostics,
   when FOO is an inline function in the header; see
   <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113> and
   <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63877>.  */
#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__
# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__
#  define _GL_INLINE_HEADER_CONST_PRAGMA
# else
#  define _GL_INLINE_HEADER_CONST_PRAGMA \
     _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"")
# endif
# define _GL_INLINE_HEADER_BEGIN \
    _Pragma ("GCC diagnostic push") \
    _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \
    _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \
    _GL_INLINE_HEADER_CONST_PRAGMA
# define _GL_INLINE_HEADER_END \
    _Pragma ("GCC diagnostic pop")
#else
# define _GL_INLINE_HEADER_BEGIN
# define _GL_INLINE_HEADER_END
#endif])
])
m4trace:m4/fcntl-o.m4:12: -1- AC_DEFUN([gl_FCNTL_O_FLAGS], [
  dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW.
  dnl AC_USE_SYSTEM_EXTENSIONS was introduced in autoconf 2.60 and obsoletes
  dnl AC_GNU_SOURCE.
  m4_ifdef([AC_USE_SYSTEM_EXTENSIONS],
    [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])],
    [AC_REQUIRE([AC_GNU_SOURCE])])

  AC_CHECK_HEADERS_ONCE([unistd.h])
  AC_CHECK_FUNCS_ONCE([symlink])
  AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h],
    [AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <sys/types.h>
           #include <sys/stat.h>
           #if HAVE_UNISTD_H
           # include <unistd.h>
           #else /* on Windows with MSVC */
           # include <io.h>
           # include <stdlib.h>
           # defined sleep(n) _sleep ((n) * 1000)
           #endif
           #include <fcntl.h>
           #ifndef O_NOATIME
            #define O_NOATIME 0
           #endif
           #ifndef O_NOFOLLOW
            #define O_NOFOLLOW 0
           #endif
           static int const constants[] =
            {
              O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC, O_APPEND,
              O_NONBLOCK, O_SYNC, O_ACCMODE, O_RDONLY, O_RDWR, O_WRONLY
            };
          ]],
          [[
            int result = !constants;
            #if HAVE_SYMLINK
            {
              static char const sym[] = "conftest.sym";
              if (symlink ("/dev/null", sym) != 0)
                result |= 2;
              else
                {
                  int fd = open (sym, O_WRONLY | O_NOFOLLOW | O_CREAT, 0);
                  if (fd >= 0)
                    {
                      close (fd);
                      result |= 4;
                    }
                }
              if (unlink (sym) != 0 || symlink (".", sym) != 0)
                result |= 2;
              else
                {
                  int fd = open (sym, O_RDONLY | O_NOFOLLOW);
                  if (fd >= 0)
                    {
                      close (fd);
                      result |= 4;
                    }
                }
              unlink (sym);
            }
            #endif
            {
              static char const file[] = "confdefs.h";
              int fd = open (file, O_RDONLY | O_NOATIME);
              if (fd < 0)
                result |= 8;
              else
                {
                  struct stat st0;
                  if (fstat (fd, &st0) != 0)
                    result |= 16;
                  else
                    {
                      char c;
                      sleep (1);
                      if (read (fd, &c, 1) != 1)
                        result |= 24;
                      else
                        {
                          if (close (fd) != 0)
                            result |= 32;
                          else
                            {
                              struct stat st1;
                              if (stat (file, &st1) != 0)
                                result |= 40;
                              else
                                if (st0.st_atime != st1.st_atime)
                                  result |= 64;
                            }
                        }
                    }
                }
            }
            return result;]])],
       [gl_cv_header_working_fcntl_h=yes],
       [case $? in #(
        4) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #(
        64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #(
        68) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #(
         *) gl_cv_header_working_fcntl_h='no';;
        esac],
       [gl_cv_header_working_fcntl_h=cross-compiling])])

  case $gl_cv_header_working_fcntl_h in #(
  *O_NOATIME* | no | cross-compiling) ac_val=0;; #(
  *) ac_val=1;;
  esac
  AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOATIME], [$ac_val],
    [Define to 1 if O_NOATIME works.])

  case $gl_cv_header_working_fcntl_h in #(
  *O_NOFOLLOW* | no | cross-compiling) ac_val=0;; #(
  *) ac_val=1;;
  esac
  AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOFOLLOW], [$ac_val],
    [Define to 1 if O_NOFOLLOW works.])
])
m4trace:m4/fcntl.m4:16: -1- AC_DEFUN([gl_FUNC_FCNTL], [
  dnl Persuade glibc to expose F_DUPFD_CLOEXEC.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CHECK_FUNCS_ONCE([fcntl])
  if test $ac_cv_func_fcntl = no; then
    gl_REPLACE_FCNTL
  else
    dnl cygwin 1.5.x F_DUPFD has wrong errno, and allows negative target
    dnl haiku alpha 2 F_DUPFD has wrong errno
    AC_CACHE_CHECK([whether fcntl handles F_DUPFD correctly],
      [gl_cv_func_fcntl_f_dupfd_works],
      [AC_RUN_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <errno.h>
              #include <fcntl.h>
              #include <limits.h>
              #include <sys/resource.h>
              #include <unistd.h>
              #ifndef RLIM_SAVED_CUR
              # define RLIM_SAVED_CUR RLIM_INFINITY
              #endif
              #ifndef RLIM_SAVED_MAX
              # define RLIM_SAVED_MAX RLIM_INFINITY
              #endif
            ]],
            [[int result = 0;
              int bad_fd = INT_MAX;
              struct rlimit rlim;
              if (getrlimit (RLIMIT_NOFILE, &rlim) == 0
                  && 0 <= rlim.rlim_cur && rlim.rlim_cur <= INT_MAX
                  && rlim.rlim_cur != RLIM_INFINITY
                  && rlim.rlim_cur != RLIM_SAVED_MAX
                  && rlim.rlim_cur != RLIM_SAVED_CUR)
                bad_fd = rlim.rlim_cur;
              if (fcntl (0, F_DUPFD, -1) != -1) result |= 1;
              if (errno != EINVAL) result |= 2;
              if (fcntl (0, F_DUPFD, bad_fd) != -1) result |= 4;
              if (errno != EINVAL) result |= 8;
              /* On OS/2 kLIBC, F_DUPFD does not work on a directory fd */
              {
                int fd;
                fd = open (".", O_RDONLY);
                if (fd == -1)
                  result |= 16;
                else if (fcntl (fd, F_DUPFD, STDERR_FILENO + 1) == -1)
                  result |= 32;

                close (fd);
              }
              return result;]])],
         [gl_cv_func_fcntl_f_dupfd_works=yes],
         [gl_cv_func_fcntl_f_dupfd_works=no],
         [case $host_os in
            aix* | cygwin* | haiku*)
               gl_cv_func_fcntl_f_dupfd_works="guessing no" ;;
            *) gl_cv_func_fcntl_f_dupfd_works="guessing yes" ;;
          esac])])
    case $gl_cv_func_fcntl_f_dupfd_works in
      *yes) ;;
      *) gl_REPLACE_FCNTL
        AC_DEFINE([FCNTL_DUPFD_BUGGY], [1], [Define this to 1 if F_DUPFD
          behavior does not match POSIX]) ;;
    esac

    dnl Many systems lack F_DUPFD_CLOEXEC
    AC_CACHE_CHECK([whether fcntl understands F_DUPFD_CLOEXEC],
      [gl_cv_func_fcntl_f_dupfd_cloexec],
      [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <fcntl.h>
#ifndef F_DUPFD_CLOEXEC
choke me
#endif
         ]])],
         [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef __linux__
/* The Linux kernel only added F_DUPFD_CLOEXEC in 2.6.24, so we always replace
   it to support the semantics on older kernels that failed with EINVAL.  */
choke me
#endif
           ]])],
           [gl_cv_func_fcntl_f_dupfd_cloexec=yes],
           [gl_cv_func_fcntl_f_dupfd_cloexec="needs runtime check"])],
         [gl_cv_func_fcntl_f_dupfd_cloexec=no])])
    if test "$gl_cv_func_fcntl_f_dupfd_cloexec" != yes; then
      gl_REPLACE_FCNTL
      dnl No witness macro needed for this bug.
    fi
  fi
  dnl Replace fcntl() for supporting the gnulib-defined fchdir() function,
  dnl to keep fchdir's bookkeeping up-to-date.
  m4_ifdef([gl_FUNC_FCHDIR], [
    gl_TEST_FCHDIR
    if test $HAVE_FCHDIR = 0; then
      gl_REPLACE_FCNTL
    fi
  ])
])
m4trace:m4/fcntl.m4:117: -1- AC_DEFUN([gl_REPLACE_FCNTL], [
  AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([fcntl])
  if test $ac_cv_func_fcntl = no; then
    HAVE_FCNTL=0
  else
    REPLACE_FCNTL=1
  fi
])
m4trace:m4/fcntl_h.m4:10: -1- AC_DEFUN([gl_FCNTL_H], [
  AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
  AC_REQUIRE([gl_FCNTL_O_FLAGS])
  gl_NEXT_HEADERS([fcntl.h])

  dnl Ensure the type pid_t gets defined.
  AC_REQUIRE([AC_TYPE_PID_T])

  dnl Ensure the type mode_t gets defined.
  AC_REQUIRE([AC_TYPE_MODE_T])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use, if it is not common
  dnl enough to be declared everywhere.
  gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
    ]], [fcntl openat])
])
m4trace:m4/fcntl_h.m4:29: -1- AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/fcntl_h.m4:38: -1- AC_DEFUN([gl_FCNTL_H_DEFAULTS], [
  GNULIB_FCNTL=0;        AC_SUBST([GNULIB_FCNTL])
  GNULIB_NONBLOCKING=0;  AC_SUBST([GNULIB_NONBLOCKING])
  GNULIB_OPEN=0;         AC_SUBST([GNULIB_OPEN])
  GNULIB_OPENAT=0;       AC_SUBST([GNULIB_OPENAT])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_FCNTL=1;          AC_SUBST([HAVE_FCNTL])
  HAVE_OPENAT=1;         AC_SUBST([HAVE_OPENAT])
  REPLACE_FCNTL=0;       AC_SUBST([REPLACE_FCNTL])
  REPLACE_OPEN=0;        AC_SUBST([REPLACE_OPEN])
  REPLACE_OPENAT=0;      AC_SUBST([REPLACE_OPENAT])
])
m4trace:m4/fdopen.m4:7: -1- AC_DEFUN([gl_FUNC_FDOPEN], [
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  m4_ifdef([gl_MSVC_INVAL], [
    AC_REQUIRE([gl_MSVC_INVAL])
    if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
      REPLACE_FDOPEN=1
    fi
  ])
  if test $REPLACE_FDOPEN = 0; then
    dnl Test whether fdopen() sets errno when it fails due to a bad fd argument.
    AC_CACHE_CHECK([whether fdopen sets errno], [gl_cv_func_fdopen_works],
      [
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <stdio.h>
#include <errno.h>
int
main (void)
{
  FILE *fp;
  errno = 0;
  fp = fdopen (-1, "r");
  if (fp == NULL && errno == 0)
    return 1;
  return 0;
}]])],
          [gl_cv_func_fdopen_works=yes],
          [gl_cv_func_fdopen_works=no],
          [case "$host_os" in
             mingw*) gl_cv_func_fdopen_works="guessing no" ;;
             *)      gl_cv_func_fdopen_works="guessing yes" ;;
           esac
          ])
      ])
    case "$gl_cv_func_fdopen_works" in
      *no) REPLACE_FDOPEN=1 ;;
    esac
  fi
])
m4trace:m4/fdopen.m4:50: -1- AC_DEFUN([gl_PREREQ_FDOPEN], [])
m4trace:m4/filenamecat.m4:7: -1- AC_DEFUN([gl_FILE_NAME_CONCAT], [
  AC_REQUIRE([gl_FILE_NAME_CONCAT_LGPL])
])
m4trace:m4/filenamecat.m4:12: -1- AC_DEFUN([gl_FILE_NAME_CONCAT_LGPL], [
  dnl Prerequisites of lib/filenamecat-lgpl.c.
  AC_CHECK_FUNCS_ONCE([mempcpy])
])
m4trace:m4/flexmember.m4:11: -1- AC_DEFUN([AC_C_FLEXIBLE_ARRAY_MEMBER], [
  AC_CACHE_CHECK([for flexible array member],
    ac_cv_c_flexmember,
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <stdlib.h>
            #include <stdio.h>
            #include <stddef.h>
            struct m { struct m *next, **list; char name[]; };
            struct s { struct s *p; struct m *m; int n; double d[]; };]],
          [[int m = getchar ();
            size_t nbytes = offsetof (struct s, d) + m * sizeof (double);
            nbytes += sizeof (struct s) - 1;
            nbytes -= nbytes % sizeof (struct s);
            struct s *p = malloc (nbytes);
            p->p = p;
            p->m = NULL;
            p->d[0] = 0.0;
            return p->d != (double *) NULL;]])],
       [ac_cv_c_flexmember=yes],
       [ac_cv_c_flexmember=no])])
  if test $ac_cv_c_flexmember = yes; then
    AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [],
      [Define to nothing if C supports flexible array members, and to
       1 if it does not.  That way, with a declaration like 'struct s
       { int n; double d@<:@FLEXIBLE_ARRAY_MEMBER@:>@; };', the struct hack
       can be used with pre-C99 compilers.
       When computing the size of such an object, don't use 'sizeof (struct s)'
       as it overestimates the size.  Use 'offsetof (struct s, d)' instead.
       Don't use 'offsetof (struct s, d@<:@0@:>@)', as this doesn't work with
       MSVC and with C++ compilers.])
  else
    AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1])
  fi
])
m4trace:m4/float_h.m4:7: -1- AC_DEFUN([gl_FLOAT_H], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST])
  FLOAT_H=
  REPLACE_FLOAT_LDBL=0
  case "$host_os" in
    aix* | beos* | openbsd* | mirbsd* | irix*)
      FLOAT_H=float.h
      ;;
    freebsd*)
      case "$host_cpu" in
changequote(,)dnl
        i[34567]86 )
changequote([,])dnl
          FLOAT_H=float.h
          ;;
        x86_64 )
          # On x86_64 systems, the C compiler may still be generating
          # 32-bit code.
          AC_EGREP_CPP([yes],
            [#if defined __LP64__ || defined __x86_64__ || defined __amd64__
             yes
             #endif],
            [],
            [FLOAT_H=float.h])
          ;;
      esac
      ;;
    linux*)
      case "$host_cpu" in
        powerpc*)
          FLOAT_H=float.h
          ;;
      esac
      ;;
  esac
  case "$host_os" in
    aix* | freebsd* | linux*)
      if test -n "$FLOAT_H"; then
        REPLACE_FLOAT_LDBL=1
      fi
      ;;
  esac

  dnl Test against glibc-2.7 Linux/SPARC64 bug.
  REPLACE_ITOLD=0
  AC_CACHE_CHECK([whether conversion from 'int' to 'long double' works],
    [gl_cv_func_itold_works],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
int i = -1;
volatile long double ld;
int main ()
{
  ld += i * 1.0L;
  if (ld > 0)
    return 1;
  return 0;
}]])],
        [gl_cv_func_itold_works=yes],
        [gl_cv_func_itold_works=no],
        [case "$host" in
           sparc*-*-linux*)
             AC_EGREP_CPP([yes],
               [#if defined __LP64__ || defined __arch64__
                yes
                #endif],
               [gl_cv_func_itold_works="guessing no"],
               [gl_cv_func_itold_works="guessing yes"])
             ;;
           *) gl_cv_func_itold_works="guessing yes" ;;
         esac
        ])
    ])
  case "$gl_cv_func_itold_works" in
    *no)
      REPLACE_ITOLD=1
      dnl We add the workaround to <float.h> but also to <math.h>,
      dnl to increase the chances that the fix function gets pulled in.
      FLOAT_H=float.h
      ;;
  esac

  if test -n "$FLOAT_H"; then
    gl_NEXT_HEADERS([float.h])
  fi
  AC_SUBST([FLOAT_H])
  AM_CONDITIONAL([GL_GENERATE_FLOAT_H], [test -n "$FLOAT_H"])
  AC_SUBST([REPLACE_ITOLD])
])
m4trace:m4/fnmatch.m4:12: -1- AC_DEFUN([gl_FUNC_FNMATCH_POSIX], [
  m4_divert_text([DEFAULTS], [gl_fnmatch_required=POSIX])

  dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc.
  dnl This is only needed if gl_fnmatch_required = GNU. It would be possible
  dnl to avoid this dependency for gl_FUNC_FNMATCH_POSIX by putting
  dnl gl_FUNC_FNMATCH_GNU into a separate .m4 file.
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  FNMATCH_H=
  gl_fnmatch_required_lowercase=`
    echo $gl_fnmatch_required | LC_ALL=C tr '[[A-Z]]' '[[a-z]]'
  `
  gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}"
  AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch],
    [$gl_fnmatch_cache_var],
    [dnl Some versions of Solaris, SCO, and the GNU C Library
     dnl have a broken or incompatible fnmatch.
     dnl So we run a test program.  If we are cross-compiling, take no chance.
     dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this
     dnl test.
     if test $gl_fnmatch_required = GNU; then
       gl_fnmatch_gnu_start=
       gl_fnmatch_gnu_end=
     else
       gl_fnmatch_gnu_start='#if 0'
       gl_fnmatch_gnu_end='#endif'
     fi
     AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <fnmatch.h>
            static int
            y (char const *pattern, char const *string, int flags)
            {
              return fnmatch (pattern, string, flags) == 0;
            }
            static int
            n (char const *pattern, char const *string, int flags)
            {
              return fnmatch (pattern, string, flags) == FNM_NOMATCH;
            }
          ]],
          [[char const *Apat = 'A' < '\\\\' ? "[A-\\\\\\\\]" : "[\\\\\\\\-A]";
            char const *apat = 'a' < '\\\\' ? "[a-\\\\\\\\]" : "[\\\\\\\\-a]";
            static char const A_1[] = { 'A' - 1, 0 };
            static char const A01[] = { 'A' + 1, 0 };
            static char const a_1[] = { 'a' - 1, 0 };
            static char const a01[] = { 'a' + 1, 0 };
            static char const bs_1[] = { '\\\\' - 1, 0 };
            static char const bs01[] = { '\\\\' + 1, 0 };
            int result = 0;
            if (!n ("a*", "", 0))
              return 1;
            if (!y ("a*", "abc", 0))
              return 1;
            if (!y ("[/b", "[/b", 0)) /*"]]"*/ /* glibc Bugzilla bug 12378 */
              return 1;
            if (!n ("d*/*1", "d/s/1", FNM_PATHNAME))
              return 2;
            if (!y ("a\\\\bc", "abc", 0))
              return 3;
            if (!n ("a\\\\bc", "abc", FNM_NOESCAPE))
              return 3;
            if (!y ("*x", ".x", 0))
              return 4;
            if (!n ("*x", ".x", FNM_PERIOD))
              return 4;
            if (!y (Apat, "\\\\", 0))
              return 5;
            if (!y (Apat, "A", 0))
              return 5;
            if (!y (apat, "\\\\", 0))
              return 5;
            if (!y (apat, "a", 0))
              return 5;
            if (!(n (Apat, A_1, 0) == ('A' < '\\\\')))
              return 5;
            if (!(n (apat, a_1, 0) == ('a' < '\\\\')))
              return 5;
            if (!(y (Apat, A01, 0) == ('A' < '\\\\')))
              return 5;
            if (!(y (apat, a01, 0) == ('a' < '\\\\')))
              return 5;
            if (!(y (Apat, bs_1, 0) == ('A' < '\\\\')))
              return 5;
            if (!(y (apat, bs_1, 0) == ('a' < '\\\\')))
              return 5;
            if (!(n (Apat, bs01, 0) == ('A' < '\\\\')))
              return 5;
            if (!(n (apat, bs01, 0) == ('a' < '\\\\')))
              return 5;
            $gl_fnmatch_gnu_start
            if (!y ("xxXX", "xXxX", FNM_CASEFOLD))
              result |= 8;
            if (!y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH))
              result |= 16;
            if (!n ("d*/*1", "d/s/1", FNM_FILE_NAME))
              result |= 32;
            if (!y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR))
              result |= 64;
            if (!y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR))
              result |= 64;
            if (!y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR))
              result |= 64;
            $gl_fnmatch_gnu_end
            return result;
          ]])],
       [eval "$gl_fnmatch_cache_var=yes"],
       [eval "$gl_fnmatch_cache_var=no"],
       [eval "$gl_fnmatch_cache_var=\"guessing no\""])
    ])
  eval "gl_fnmatch_result=\"\$$gl_fnmatch_cache_var\""
  if test "$gl_fnmatch_result" = yes; then
    dnl Not strictly necessary. Only to avoid spurious leftover files if people
    dnl don't do "make distclean".
    rm -f "$gl_source_base/fnmatch.h"
  else
    FNMATCH_H=fnmatch.h
  fi
  AC_SUBST([FNMATCH_H])
  AM_CONDITIONAL([GL_GENERATE_FNMATCH_H], [test -n "$FNMATCH_H"])
])
m4trace:m4/fnmatch.m4:137: -1- AC_DEFUN([gl_FUNC_FNMATCH_GNU], [
  m4_divert_text([INIT_PREPARE], [gl_fnmatch_required=GNU])

  AC_REQUIRE([gl_FUNC_FNMATCH_POSIX])
])
m4trace:m4/fnmatch.m4:144: -1- AC_DEFUN([gl_PREREQ_FNMATCH], [
  dnl We must choose a different name for our function, since on ELF systems
  dnl a broken fnmatch() in libc.so would override our fnmatch() if it is
  dnl compiled into a shared library.
  AC_DEFINE_UNQUOTED([fnmatch], [${gl_fnmatch_required_lowercase}_fnmatch],
    [Define to a replacement function name for fnmatch().])
  dnl Prerequisites of lib/fnmatch.c.
  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]])
  AC_CHECK_FUNCS_ONCE([btowc isblank iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
  AC_CHECK_HEADERS_ONCE([wctype.h])
])
m4trace:m4/fpieee.m4:25: -1- AC_DEFUN([gl_FP_IEEE], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST])
  # IEEE behaviour is the default on all CPUs except Alpha and SH
  # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4
  # and the GCC 4.1.2 manual).
  case "$host_cpu" in
    alpha*)
      # On Alpha systems, a compiler option provides the behaviour.
      # See the ieee(3) manual page, also available at
      # <http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/MAN/MAN3/0600____.HTM>
      if test -n "$GCC"; then
        # GCC has the option -mieee.
        # For full IEEE compliance (rarely needed), use option -mieee-with-inexact.
        CPPFLAGS="$CPPFLAGS -mieee"
      else
        # Compaq (ex-DEC) C has the option -ieee, equivalent to -ieee_with_no_inexact.
        # For full IEEE compliance (rarely needed), use option -ieee_with_inexact.
        CPPFLAGS="$CPPFLAGS -ieee"
      fi
      ;;
    sh*)
      if test -n "$GCC"; then
        # GCC has the option -mieee.
        CPPFLAGS="$CPPFLAGS -mieee"
      fi
      ;;
  esac
])
m4trace:m4/freopen.m4:7: -1- AC_DEFUN([gl_FUNC_FREOPEN], [
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  case "$host_os" in
    mingw* | pw* | os2*)
      REPLACE_FREOPEN=1
      ;;
    *)
      AC_CACHE_CHECK([whether freopen works on closed fds],
        [gl_cv_func_freopen_works_on_closed],
        [AC_RUN_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <stdio.h>
                #include <unistd.h>
              ]],
              [[close (0);
                return !(freopen ("/dev/null", "r", stdin)
                         && getchar () == EOF
                         && !ferror (stdin) && feof (stdin));]])],
           [gl_cv_func_freopen_works_on_closed=yes],
           [gl_cv_func_freopen_works_on_closed=no],
           [case $host_os in
              *gnu*) gl_cv_func_freopen_works_on_closed="guessing no" ;;
              *)     gl_cv_func_freopen_works_on_closed="guessing yes";;
            esac])])
      case $gl_cv_func_freopen_works_on_closed in
        *no) REPLACE_FREOPEN=1;;
      esac
  esac
])
m4trace:m4/freopen.m4:40: -1- AC_DEFUN([gl_PREREQ_FREOPEN], [:])
m4trace:m4/fstat.m4:7: -1- AC_DEFUN([gl_FUNC_FSTAT], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  case "$host_os" in
    mingw*)
      dnl On this platform, the original stat() returns st_atime, st_mtime,
      dnl st_ctime values that are affected by the time zone.
      REPLACE_FSTAT=1
      ;;
  esac

  dnl Replace fstat() for supporting the gnulib-defined open() on directories.
  m4_ifdef([gl_FUNC_FCHDIR], [
    gl_TEST_FCHDIR
    if test $HAVE_FCHDIR = 0; then
      case "$gl_cv_func_open_directory_works" in
        *yes) ;;
        *)
          REPLACE_FSTAT=1
          ;;
      esac
    fi
  ])
])
m4trace:m4/fstat.m4:35: -1- AC_DEFUN([gl_PREREQ_FSTAT], [
  AC_REQUIRE([gl_HEADER_SYS_STAT_H])
  :
])
m4trace:m4/ftruncate.m4:10: -1- AC_DEFUN([gl_FUNC_FTRUNCATE], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([ftruncate])
  if test $ac_cv_func_ftruncate = yes; then
    m4_ifdef([gl_LARGEFILE], [
      AC_REQUIRE([AC_CANONICAL_HOST])
      case "$host_os" in
        mingw*)
          dnl Native Windows, and Large File Support is requested.
          dnl The MSVCRT _chsize() function only accepts a 32-bit file size,
          dnl and the mingw64 ftruncate64() function is unreliable (it may
          dnl delete the file, see
          dnl <http://mingw-w64.sourcearchive.com/documentation/2.0-1/ftruncate64_8c_source.html>).
          dnl Use gnulib's ftruncate() implementation instead.
          REPLACE_FTRUNCATE=1
          ;;
      esac
    ], [
      :
    ])
  else
    HAVE_FTRUNCATE=0
  fi
])
m4trace:m4/ftruncate.m4:37: -1- AC_DEFUN([gl_PREREQ_FTRUNCATE], [
  AC_CHECK_FUNCS([chsize])
])
m4trace:m4/getcwd.m4:11: -1- AC_DEFUN([gl_FUNC_GETCWD_NULL], [
   AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
   AC_CHECK_HEADERS_ONCE([unistd.h])
   AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result],
     [gl_cv_func_getcwd_null],
     [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#	 include <stdlib.h>
#        if HAVE_UNISTD_H
#         include <unistd.h>
#        else /* on Windows with MSVC */
#         include <direct.h>
#        endif
#        ifndef getcwd
         char *getcwd ();
#        endif
]], [[
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
/* mingw cwd does not start with '/', but getcwd does allocate.
   However, mingw fails to honor non-zero size.  */
#else
           if (chdir ("/") != 0)
             return 1;
           else
             {
               char *f = getcwd (NULL, 0);
               if (! f)
                 return 2;
               if (f[0] != '/')
                 return 3;
               if (f[1] != '\0')
                 return 4;
               free (f);
               return 0;
             }
#endif
         ]])],
        [gl_cv_func_getcwd_null=yes],
        [gl_cv_func_getcwd_null=no],
        [[case "$host_os" in
                     # Guess yes on glibc systems.
            *-gnu*)  gl_cv_func_getcwd_null="guessing yes";;
                     # Guess yes on Cygwin.
            cygwin*) gl_cv_func_getcwd_null="guessing yes";;
                     # If we don't know, assume the worst.
            *)       gl_cv_func_getcwd_null="guessing no";;
          esac
        ]])])
])
m4trace:m4/getcwd.m4:61: -1- AC_DEFUN([gl_FUNC_GETCWD_SIGNATURE], [
  AC_CACHE_CHECK([for getcwd with POSIX signature],
    [gl_cv_func_getcwd_posix_signature],
    [AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM(
         [[#include <unistd.h>]],
         [[extern
           #ifdef __cplusplus
           "C"
           #endif
           char *getcwd (char *, size_t);
         ]])
      ],
      [gl_cv_func_getcwd_posix_signature=yes],
      [gl_cv_func_getcwd_posix_signature=no])
   ])
])
m4trace:m4/getcwd.m4:87: -1- AC_DEFUN([gl_FUNC_GETCWD_LGPL], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([gl_FUNC_GETCWD_NULL])
  AC_REQUIRE([gl_FUNC_GETCWD_SIGNATURE])

  case $gl_cv_func_getcwd_null,$gl_cv_func_getcwd_posix_signature in
  *yes,yes) ;;
  *)
    dnl Minimal replacement lib/getcwd-lgpl.c.
    REPLACE_GETCWD=1
    ;;
  esac
])
m4trace:m4/getcwd.m4:104: -1- AC_DEFUN([gl_FUNC_GETCWD], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([gl_FUNC_GETCWD_NULL])
  AC_REQUIRE([gl_FUNC_GETCWD_SIGNATURE])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  gl_abort_bug=no
  case "$host_os" in
    mingw*)
      gl_cv_func_getcwd_path_max=yes
      ;;
    *)
      gl_FUNC_GETCWD_PATH_MAX
      case "$gl_cv_func_getcwd_null" in
        *yes)
          gl_FUNC_GETCWD_ABORT_BUG([gl_abort_bug=yes])
          ;;
      esac
      ;;
  esac
  dnl Define HAVE_MINIMALLY_WORKING_GETCWD and HAVE_PARTLY_WORKING_GETCWD
  dnl if appropriate.
  case "$gl_cv_func_getcwd_path_max" in
    "no"|"no, it has the AIX bug") ;;
    *)
      AC_DEFINE([HAVE_MINIMALLY_WORKING_GETCWD], [1],
        [Define to 1 if getcwd minimally works, that is, its result can be
         trusted when it succeeds.])
      ;;
  esac
  case "$gl_cv_func_getcwd_path_max" in
    "no, but it is partly working")
      AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], [1],
        [Define to 1 if getcwd works, except it sometimes fails when it
         shouldn't, setting errno to ERANGE, ENAMETOOLONG, or ENOENT.])
      ;;
    "yes, but with shorter paths")
      AC_DEFINE([HAVE_GETCWD_SHORTER], [1],
        [Define to 1 if getcwd works, but with shorter paths
         than is generally tested with the replacement.])
      ;;
  esac

  if { case "$gl_cv_func_getcwd_null" in *yes) false;; *) true;; esac; } \
     || test $gl_cv_func_getcwd_posix_signature != yes \
     || { case "$gl_cv_func_getcwd_path_max" in *yes*) false;; *) true;; esac; } \
     || test $gl_abort_bug = yes; then
    REPLACE_GETCWD=1
  fi
])
m4trace:m4/getcwd.m4:157: -1- AC_DEFUN([gl_PREREQ_GETCWD], [
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO])
  :
])
m4trace:m4/getdtablesize.m4:7: -1- AC_DEFUN([gl_FUNC_GETDTABLESIZE], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CHECK_FUNCS_ONCE([getdtablesize])
  AC_CHECK_DECLS_ONCE([getdtablesize])
  if test $ac_cv_func_getdtablesize = yes &&
     test $ac_cv_have_decl_getdtablesize = yes; then
    # Cygwin 1.7.25 automatically increases the RLIMIT_NOFILE soft limit
    # up to an unchangeable hard limit; all other platforms correctly
    # require setrlimit before getdtablesize() can report a larger value.
    AC_CACHE_CHECK([whether getdtablesize works],
      [gl_cv_func_getdtablesize_works],
      [AC_RUN_IFELSE([
        AC_LANG_PROGRAM([[#include <unistd.h>]],
          [int size = getdtablesize();
           if (dup2 (0, getdtablesize()) != -1)
             return 1;
           if (size != getdtablesize())
             return 2;
          ])],
        [gl_cv_func_getdtablesize_works=yes],
        [gl_cv_func_getdtablesize_works=no],
        [case "$host_os" in
          cygwin*) # on cygwin 1.5.25, getdtablesize() automatically grows
            gl_cv_func_getdtablesize_works="guessing no" ;;
          *) gl_cv_func_getdtablesize_works="guessing yes" ;;
         esac])
      ])
    case "$gl_cv_func_getdtablesize_works" in
      *yes) ;;
      *) REPLACE_GETDTABLESIZE=1 ;;
    esac
  else
    HAVE_GETDTABLESIZE=0
  fi
])
m4trace:m4/getdtablesize.m4:46: -1- AC_DEFUN([gl_PREREQ_GETDTABLESIZE], [:])
m4trace:m4/getopt.m4:8: -1- AC_DEFUN([gl_FUNC_GETOPT_POSIX], [
  m4_divert_text([DEFAULTS], [gl_getopt_required=POSIX])
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
  dnl Other modules can request the gnulib implementation of the getopt
  dnl functions unconditionally, by defining gl_REPLACE_GETOPT_ALWAYS.
  dnl argp.m4 does this.
  m4_ifdef([gl_REPLACE_GETOPT_ALWAYS], [
    REPLACE_GETOPT=1
  ], [
    REPLACE_GETOPT=0
    if test -n "$gl_replace_getopt"; then
      REPLACE_GETOPT=1
    fi
  ])
  if test $REPLACE_GETOPT = 1; then
    dnl Arrange for getopt.h to be created.
    gl_GETOPT_SUBSTITUTE_HEADER
  fi
])
m4trace:m4/getopt.m4:33: -1- AC_DEFUN([gl_FUNC_GETOPT_GNU], [
  dnl Set the variable gl_getopt_required, so that all invocations of
  dnl gl_GETOPT_CHECK_HEADERS in the scope of the current configure file
  dnl will check for getopt with GNU extensions.
  dnl This means that if one gnulib-tool invocation requests getopt-posix
  dnl and another gnulib-tool invocation requests getopt-gnu, it is as if
  dnl both had requested getopt-gnu.
  m4_divert_text([INIT_PREPARE], [gl_getopt_required=GNU])

  dnl No need to invoke gl_FUNC_GETOPT_POSIX here; this is automatically
  dnl done through the module dependency getopt-gnu -> getopt-posix.
])
m4trace:m4/getopt.m4:48: -1- AC_DEFUN([gl_GETOPT_CHECK_HEADERS], [
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([AC_PROG_AWK]) dnl for awk that supports ENVIRON

  dnl Persuade Solaris <unistd.h> to declare optarg, optind, opterr, optopt.
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  gl_CHECK_NEXT_HEADERS([getopt.h])
  if test $ac_cv_header_getopt_h = yes; then
    HAVE_GETOPT_H=1
  else
    HAVE_GETOPT_H=0
  fi
  AC_SUBST([HAVE_GETOPT_H])

  gl_replace_getopt=

  dnl Test whether <getopt.h> is available.
  if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
    AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes])
  fi

  dnl Test whether the function getopt_long is available.
  if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
    AC_CHECK_FUNCS([getopt_long_only], [], [gl_replace_getopt=yes])
  fi

  dnl POSIX 2008 does not specify leading '+' behavior, but see
  dnl http://austingroupbugs.net/view.php?id=191 for a recommendation on
  dnl the next version of POSIX.  For now, we only guarantee leading '+'
  dnl behavior with getopt-gnu.
  if test -z "$gl_replace_getopt"; then
    AC_CACHE_CHECK([whether getopt is POSIX compatible],
      [gl_cv_func_getopt_posix],
      [
        dnl Merging these three different test programs into a single one
        dnl would require a reset mechanism. On BSD systems, it can be done
        dnl through 'optreset'; on some others (glibc), it can be done by
        dnl setting 'optind' to 0; on others again (HP-UX, IRIX, OSF/1,
        dnl Solaris 9, musl libc), there is no such mechanism.
        if test $cross_compiling = no; then
          dnl Sanity check. Succeeds everywhere (except on MSVC,
          dnl which lacks <unistd.h> and getopt() entirely).
          AC_RUN_IFELSE(
            [AC_LANG_SOURCE([[
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

int
main ()
{
  static char program[] = "program";
  static char a[] = "-a";
  static char foo[] = "foo";
  static char bar[] = "bar";
  char *argv[] = { program, a, foo, bar, NULL };
  int c;

  c = getopt (4, argv, "ab");
  if (!(c == 'a'))
    return 1;
  c = getopt (4, argv, "ab");
  if (!(c == -1))
    return 2;
  if (!(optind == 2))
    return 3;
  return 0;
}
]])],
            [gl_cv_func_getopt_posix=maybe],
            [gl_cv_func_getopt_posix=no])
          if test $gl_cv_func_getopt_posix = maybe; then
            dnl Sanity check with '+'. Succeeds everywhere (except on MSVC,
            dnl which lacks <unistd.h> and getopt() entirely).
            AC_RUN_IFELSE(
              [AC_LANG_SOURCE([[
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

int
main ()
{
  static char program[] = "program";
  static char donald[] = "donald";
  static char p[] = "-p";
  static char billy[] = "billy";
  static char duck[] = "duck";
  static char a[] = "-a";
  static char bar[] = "bar";
  char *argv[] = { program, donald, p, billy, duck, a, bar, NULL };
  int c;

  c = getopt (7, argv, "+abp:q:");
  if (!(c == -1))
    return 4;
  if (!(strcmp (argv[0], "program") == 0))
    return 5;
  if (!(strcmp (argv[1], "donald") == 0))
    return 6;
  if (!(strcmp (argv[2], "-p") == 0))
    return 7;
  if (!(strcmp (argv[3], "billy") == 0))
    return 8;
  if (!(strcmp (argv[4], "duck") == 0))
    return 9;
  if (!(strcmp (argv[5], "-a") == 0))
    return 10;
  if (!(strcmp (argv[6], "bar") == 0))
    return 11;
  if (!(optind == 1))
    return 12;
  return 0;
}
]])],
              [gl_cv_func_getopt_posix=maybe],
              [gl_cv_func_getopt_posix=no])
          fi
          if test $gl_cv_func_getopt_posix = maybe; then
            dnl Detect Mac OS X 10.5, AIX 7.1, mingw bug.
            AC_RUN_IFELSE(
              [AC_LANG_SOURCE([[
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

int
main ()
{
  static char program[] = "program";
  static char ab[] = "-ab";
  char *argv[3] = { program, ab, NULL };
  if (getopt (2, argv, "ab:") != 'a')
    return 13;
  if (getopt (2, argv, "ab:") != '?')
    return 14;
  if (optopt != 'b')
    return 15;
  if (optind != 2)
    return 16;
  return 0;
}
]])],
              [gl_cv_func_getopt_posix=yes],
              [gl_cv_func_getopt_posix=no])
          fi
        else
          case "$host_os" in
            darwin* | aix* | mingw*) gl_cv_func_getopt_posix="guessing no";;
            *)                       gl_cv_func_getopt_posix="guessing yes";;
          esac
        fi
      ])
    case "$gl_cv_func_getopt_posix" in
      *no) gl_replace_getopt=yes ;;
    esac
  fi

  if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then
    AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_getopt_gnu],
      [# Even with POSIXLY_CORRECT, the GNU extension of leading '-' in the
       # optstring is necessary for programs like m4 that have POSIX-mandated
       # semantics for supporting options interspersed with files.
       # Also, since getopt_long is a GNU extension, we require optind=0.
       # Bash ties 'set -o posix' to a non-exported POSIXLY_CORRECT;
       # so take care to revert to the correct (non-)export state.
dnl GNU Coding Standards currently allow awk but not env; besides, env
dnl is ambiguous with environment values that contain newlines.
       gl_awk_probe='BEGIN { if ("POSIXLY_CORRECT" in ENVIRON) print "x" }'
       case ${POSIXLY_CORRECT+x}`$AWK "$gl_awk_probe" </dev/null` in
         xx) gl_had_POSIXLY_CORRECT=exported ;;
         x)  gl_had_POSIXLY_CORRECT=yes      ;;
         *)  gl_had_POSIXLY_CORRECT=         ;;
       esac
       POSIXLY_CORRECT=1
       export POSIXLY_CORRECT
       AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([[#include <getopt.h>
                           #include <stddef.h>
                           #include <string.h>
           ]GL_NOCRASH[
           ]], [[
             int result = 0;

             nocrash_init();

             /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw,
                and fails on Mac OS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5,
                OSF/1 5.1, Solaris 10.  */
             {
               static char conftest[] = "conftest";
               static char plus[] = "-+";
               char *argv[3] = { conftest, plus, NULL };
               opterr = 0;
               if (getopt (2, argv, "+a") != '?')
                 result |= 1;
             }
             /* This code succeeds on glibc 2.8, mingw,
                and fails on Mac OS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11,
                IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x.  */
             {
               static char program[] = "program";
               static char p[] = "-p";
               static char foo[] = "foo";
               static char bar[] = "bar";
               char *argv[] = { program, p, foo, bar, NULL };

               optind = 1;
               if (getopt (4, argv, "p::") != 'p')
                 result |= 2;
               else if (optarg != NULL)
                 result |= 4;
               else if (getopt (4, argv, "p::") != -1)
                 result |= 6;
               else if (optind != 2)
                 result |= 8;
             }
             /* This code succeeds on glibc 2.8 and fails on Cygwin 1.7.0.  */
             {
               static char program[] = "program";
               static char foo[] = "foo";
               static char p[] = "-p";
               char *argv[] = { program, foo, p, NULL };
               optind = 0;
               if (getopt (3, argv, "-p") != 1)
                 result |= 16;
               else if (getopt (3, argv, "-p") != 'p')
                 result |= 16;
             }
             /* This code fails on glibc 2.11.  */
             {
               static char program[] = "program";
               static char b[] = "-b";
               static char a[] = "-a";
               char *argv[] = { program, b, a, NULL };
               optind = opterr = 0;
               if (getopt (3, argv, "+:a:b") != 'b')
                 result |= 32;
               else if (getopt (3, argv, "+:a:b") != ':')
                 result |= 32;
             }
             /* This code dumps core on glibc 2.14.  */
             {
               static char program[] = "program";
               static char w[] = "-W";
               static char dummy[] = "dummy";
               char *argv[] = { program, w, dummy, NULL };
               optind = opterr = 1;
               if (getopt (3, argv, "W;") != 'W')
                 result |= 64;
             }
             return result;
           ]])],
        [gl_cv_func_getopt_gnu=yes],
        [gl_cv_func_getopt_gnu=no],
        [dnl Cross compiling. Assume the worst, even on glibc platforms.
         gl_cv_func_getopt_gnu="guessing no"
        ])
       case $gl_had_POSIXLY_CORRECT in
         exported) ;;
         yes) AS_UNSET([POSIXLY_CORRECT]); POSIXLY_CORRECT=1 ;;
         *) AS_UNSET([POSIXLY_CORRECT]) ;;
       esac
      ])
    if test "$gl_cv_func_getopt_gnu" != yes; then
      gl_replace_getopt=yes
    else
      AC_CACHE_CHECK([for working GNU getopt_long function],
        [gl_cv_func_getopt_long_gnu],
        [AC_RUN_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <getopt.h>
                #include <stddef.h>
                #include <string.h>
              ]],
              [[static const struct option long_options[] =
                  {
                    { "xtremely-",no_argument,       NULL, 1003 },
                    { "xtra",     no_argument,       NULL, 1001 },
                    { "xtreme",   no_argument,       NULL, 1002 },
                    { "xtremely", no_argument,       NULL, 1003 },
                    { NULL,       0,                 NULL, 0 }
                  };
                /* This code fails on OpenBSD 5.0.  */
                {
                  static char program[] = "program";
                  static char xtremel[] = "--xtremel";
                  char *argv[] = { program, xtremel, NULL };
                  int option_index;
                  optind = 1; opterr = 0;
                  if (getopt_long (2, argv, "", long_options, &option_index) != 1003)
                    return 1;
                }
                return 0;
              ]])],
           [gl_cv_func_getopt_long_gnu=yes],
           [gl_cv_func_getopt_long_gnu=no],
           [dnl Cross compiling. Guess no on OpenBSD, yes otherwise.
            case "$host_os" in
              openbsd*) gl_cv_func_getopt_long_gnu="guessing no";;
              *)        gl_cv_func_getopt_long_gnu="guessing yes";;
            esac
           ])
        ])
      case "$gl_cv_func_getopt_long_gnu" in
        *yes) ;;
        *) gl_replace_getopt=yes ;;
      esac
    fi
  fi
])
m4trace:m4/getopt.m4:362: -1- AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], [
  AC_CHECK_HEADERS_ONCE([sys/cdefs.h])
  if test $ac_cv_header_sys_cdefs_h = yes; then
    HAVE_SYS_CDEFS_H=1
  else
    HAVE_SYS_CDEFS_H=0
  fi
  AC_SUBST([HAVE_SYS_CDEFS_H])

  AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
    [Define to rpl_ if the getopt replacement functions and variables
     should be used.])
  GETOPT_H=getopt.h
  GETOPT_CDEFS_H=getopt-cdefs.h
  AC_SUBST([GETOPT_H])
  AC_SUBST([GETOPT_CDEFS_H])
])
m4trace:m4/getpagesize.m4:8: -1- AC_DEFUN([gl_FUNC_GETPAGESIZE], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CHECK_FUNCS([getpagesize])
  if test $ac_cv_func_getpagesize = no; then
    HAVE_GETPAGESIZE=0
    AC_CHECK_HEADERS([OS.h])
    if test $ac_cv_header_OS_h = yes; then
      HAVE_OS_H=1
    fi
    AC_CHECK_HEADERS([sys/param.h])
    if test $ac_cv_header_sys_param_h = yes; then
      HAVE_SYS_PARAM_H=1
    fi
  fi
  case "$host_os" in
    mingw*)
      REPLACE_GETPAGESIZE=1
      ;;
  esac
  dnl Also check whether it's declared.
  dnl mingw has getpagesize() in libgcc.a but doesn't declare it.
  AC_CHECK_DECL([getpagesize], , [HAVE_DECL_GETPAGESIZE=0])
])
m4trace:m4/getprogname.m4:10: -1- AC_DEFUN([gl_FUNC_GETPROGNAME], [
  AC_CHECK_FUNCS_ONCE([getprogname getexecname])
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  ac_found=0
  AC_CHECK_DECLS([program_invocation_name], [ac_found=1], [],
    [#include <errno.h>])
  AC_CHECK_DECLS([program_invocation_short_name], [ac_found=1], [],
    [#include <errno.h>])
  AC_CHECK_DECLS([__argv], [ac_found=1], [], [#include <stdlib.h>])

  # Incur the cost of this test only if none of the above worked.
  if test $ac_found = 0; then
    # On OpenBSD 5.1, using the global __progname variable appears to be
    # the only way to implement getprogname.
    AC_CACHE_CHECK([whether __progname is defined in default libraries],
      [gl_cv_var___progname],
      [
        gl_cv_var___progname=
        AC_LINK_IFELSE(
          [AC_LANG_PROGRAM(
            [[extern char *__progname;]],
            [[return *__progname;]]
          )],
          [gl_cv_var___progname=yes]
        )
      ]
    )
    if test "$gl_cv_var___progname" = yes; then
      AC_DEFINE([HAVE_VAR___PROGNAME], 1,
        [Define if you have a global __progname variable])
    fi
  fi
])
m4trace:m4/gettext.m4:57: -1- AC_DEFUN([AM_GNU_GETTEXT], [
  dnl Argument checking.
  ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], ,
    [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
])])])])])
  ifelse(ifelse([$1], [], [old])[]ifelse([$1], [no-libtool], [old]), [old],
    [AC_DIAGNOSE([obsolete], [Use of AM_GNU_GETTEXT without [external] argument is deprecated.])])
  ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
    [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
])])])])
  define([gt_included_intl],
    ifelse([$1], [external],
      ifdef([AM_GNU_GETTEXT_][INTL_SUBDIR], [yes], [no]),
      [yes]))
  define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], []))
  gt_NEEDS_INIT
  AM_GNU_GETTEXT_NEED([$2])

  AC_REQUIRE([AM_PO_SUBDIRS])dnl
  ifelse(gt_included_intl, yes, [
    AC_REQUIRE([AM_INTL_SUBDIR])dnl
  ])

  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])

  dnl Sometimes libintl requires libiconv, so first search for libiconv.
  dnl Ideally we would do this search only after the
  dnl      if test "$USE_NLS" = "yes"; then
  dnl        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
  dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
  dnl the configure script would need to contain the same shell code
  dnl again, outside any 'if'. There are two solutions:
  dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
  dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
  dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
  dnl documented, we avoid it.
  ifelse(gt_included_intl, yes, , [
    AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
  ])

  dnl Sometimes, on Mac OS X, libintl requires linking with CoreFoundation.
  gt_INTL_MACOSX

  dnl Set USE_NLS.
  AC_REQUIRE([AM_NLS])

  ifelse(gt_included_intl, yes, [
    BUILD_INCLUDED_LIBINTL=no
    USE_INCLUDED_LIBINTL=no
  ])
  LIBINTL=
  LTLIBINTL=
  POSUB=

  dnl Add a version number to the cache macros.
  case " $gt_needs " in
    *" need-formatstring-macros "*) gt_api_version=3 ;;
    *" need-ngettext "*) gt_api_version=2 ;;
    *) gt_api_version=1 ;;
  esac
  gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc"
  gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl"

  dnl If we use NLS figure out what method
  if test "$USE_NLS" = "yes"; then
    gt_use_preinstalled_gnugettext=no
    ifelse(gt_included_intl, yes, [
      AC_MSG_CHECKING([whether included gettext is requested])
      AC_ARG_WITH([included-gettext],
        [  --with-included-gettext use the GNU gettext library included here],
        nls_cv_force_use_gnu_gettext=$withval,
        nls_cv_force_use_gnu_gettext=no)
      AC_MSG_RESULT([$nls_cv_force_use_gnu_gettext])

      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
    ])
        dnl User does not insist on using GNU NLS library.  Figure out what
        dnl to use.  If GNU gettext is available we use this.  Else we have
        dnl to fall back to GNU NLS library.

        if test $gt_api_version -ge 3; then
          gt_revision_test_code='
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
#endif
changequote(,)dnl
typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
changequote([,])dnl
'
        else
          gt_revision_test_code=
        fi
        if test $gt_api_version -ge 2; then
          gt_expression_test_code=' + * ngettext ("", "", 0)'
        else
          gt_expression_test_code=
        fi

        AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc],
         [AC_LINK_IFELSE(
            [AC_LANG_PROGRAM(
               [[
#include <libintl.h>
$gt_revision_test_code
extern int _nl_msg_cat_cntr;
extern int *_nl_domain_bindings;
               ]],
               [[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings
               ]])],
            [eval "$gt_func_gnugettext_libc=yes"],
            [eval "$gt_func_gnugettext_libc=no"])])

        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
          dnl Sometimes libintl requires libiconv, so first search for libiconv.
          ifelse(gt_included_intl, yes, , [
            AM_ICONV_LINK
          ])
          dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
          dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
          dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
          dnl even if libiconv doesn't exist.
          AC_LIB_LINKFLAGS_BODY([intl])
          AC_CACHE_CHECK([for GNU gettext in libintl],
            [$gt_func_gnugettext_libintl],
           [gt_save_CPPFLAGS="$CPPFLAGS"
            CPPFLAGS="$CPPFLAGS $INCINTL"
            gt_save_LIBS="$LIBS"
            LIBS="$LIBS $LIBINTL"
            dnl Now see whether libintl exists and does not depend on libiconv.
            AC_LINK_IFELSE(
              [AC_LANG_PROGRAM(
                 [[
#include <libintl.h>
$gt_revision_test_code
extern int _nl_msg_cat_cntr;
extern
#ifdef __cplusplus
"C"
#endif
const char *_nl_expand_alias (const char *);
                 ]],
                 [[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")
                 ]])],
              [eval "$gt_func_gnugettext_libintl=yes"],
              [eval "$gt_func_gnugettext_libintl=no"])
            dnl Now see whether libintl exists and depends on libiconv.
            if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then
              LIBS="$LIBS $LIBICONV"
              AC_LINK_IFELSE(
                [AC_LANG_PROGRAM(
                   [[
#include <libintl.h>
$gt_revision_test_code
extern int _nl_msg_cat_cntr;
extern
#ifdef __cplusplus
"C"
#endif
const char *_nl_expand_alias (const char *);
                   ]],
                   [[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")
                   ]])],
                [LIBINTL="$LIBINTL $LIBICONV"
                 LTLIBINTL="$LTLIBINTL $LTLIBICONV"
                 eval "$gt_func_gnugettext_libintl=yes"
                ])
            fi
            CPPFLAGS="$gt_save_CPPFLAGS"
            LIBS="$gt_save_LIBS"])
        fi

        dnl If an already present or preinstalled GNU gettext() is found,
        dnl use it.  But if this macro is used in GNU gettext, and GNU
        dnl gettext is already preinstalled in libintl, we update this
        dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \
           || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \
                && test "$PACKAGE" != gettext-runtime \
                && test "$PACKAGE" != gettext-tools; }; then
          gt_use_preinstalled_gnugettext=yes
        else
          dnl Reset the values set by searching for libintl.
          LIBINTL=
          LTLIBINTL=
          INCINTL=
        fi

    ifelse(gt_included_intl, yes, [
        if test "$gt_use_preinstalled_gnugettext" != "yes"; then
          dnl GNU gettext is not found in the C library.
          dnl Fall back on included GNU gettext library.
          nls_cv_use_gnu_gettext=yes
        fi
      fi

      if test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Mark actions used to generate GNU NLS library.
        BUILD_INCLUDED_LIBINTL=yes
        USE_INCLUDED_LIBINTL=yes
        LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV $LIBTHREAD"
        LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV $LTLIBTHREAD"
        LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
      fi

      CATOBJEXT=
      if test "$gt_use_preinstalled_gnugettext" = "yes" \
         || test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Mark actions to use GNU gettext tools.
        CATOBJEXT=.gmo
      fi
    ])

    if test -n "$INTL_MACOSX_LIBS"; then
      if test "$gt_use_preinstalled_gnugettext" = "yes" \
         || test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Some extra flags are needed during linking.
        LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
        LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
      fi
    fi

    if test "$gt_use_preinstalled_gnugettext" = "yes" \
       || test "$nls_cv_use_gnu_gettext" = "yes"; then
      AC_DEFINE([ENABLE_NLS], [1],
        [Define to 1 if translation of program messages to the user's native language
   is requested.])
    else
      USE_NLS=no
    fi
  fi

  AC_MSG_CHECKING([whether to use NLS])
  AC_MSG_RESULT([$USE_NLS])
  if test "$USE_NLS" = "yes"; then
    AC_MSG_CHECKING([where the gettext function comes from])
    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
      if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
        gt_source="external libintl"
      else
        gt_source="libc"
      fi
    else
      gt_source="included intl directory"
    fi
    AC_MSG_RESULT([$gt_source])
  fi

  if test "$USE_NLS" = "yes"; then

    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
      if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
        AC_MSG_CHECKING([how to link with libintl])
        AC_MSG_RESULT([$LIBINTL])
        AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
      fi

      dnl For backward compatibility. Some packages may be using this.
      AC_DEFINE([HAVE_GETTEXT], [1],
       [Define if the GNU gettext() function is already present or preinstalled.])
      AC_DEFINE([HAVE_DCGETTEXT], [1],
       [Define if the GNU dcgettext() function is already present or preinstalled.])
    fi

    dnl We need to process the po/ directory.
    POSUB=po
  fi

  ifelse(gt_included_intl, yes, [
    dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
    dnl to 'yes' because some of the testsuite requires it.
    if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
      BUILD_INCLUDED_LIBINTL=yes
    fi

    dnl Make all variables we use known to autoconf.
    AC_SUBST([BUILD_INCLUDED_LIBINTL])
    AC_SUBST([USE_INCLUDED_LIBINTL])
    AC_SUBST([CATOBJEXT])

    dnl For backward compatibility. Some configure.ins may be using this.
    nls_cv_header_intl=
    nls_cv_header_libgt=

    dnl For backward compatibility. Some Makefiles may be using this.
    DATADIRNAME=share
    AC_SUBST([DATADIRNAME])

    dnl For backward compatibility. Some Makefiles may be using this.
    INSTOBJEXT=.mo
    AC_SUBST([INSTOBJEXT])

    dnl For backward compatibility. Some Makefiles may be using this.
    GENCAT=gencat
    AC_SUBST([GENCAT])

    dnl For backward compatibility. Some Makefiles may be using this.
    INTLOBJS=
    if test "$USE_INCLUDED_LIBINTL" = yes; then
      INTLOBJS="\$(GETTOBJS)"
    fi
    AC_SUBST([INTLOBJS])

    dnl Enable libtool support if the surrounding package wishes it.
    INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
    AC_SUBST([INTL_LIBTOOL_SUFFIX_PREFIX])
  ])

  dnl For backward compatibility. Some Makefiles may be using this.
  INTLLIBS="$LIBINTL"
  AC_SUBST([INTLLIBS])

  dnl Make all documented variables known to autoconf.
  AC_SUBST([LIBINTL])
  AC_SUBST([LTLIBINTL])
  AC_SUBST([POSUB])
])
m4trace:m4/gettext.m4:394: -1- AC_DEFUN([AM_GNU_GETTEXT_NEED], [
  m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"])
])
m4trace:m4/gettext.m4:401: -1- AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
m4trace:m4/gettime.m4:7: -1- AC_DEFUN([gl_GETTIME], [
  dnl Prerequisites of lib/gettime.c.
  AC_REQUIRE([gl_CLOCK_TIME])
  AC_REQUIRE([gl_TIMESPEC])
  AC_CHECK_FUNCS_ONCE([gettimeofday nanotime])
])
m4trace:m4/gettimeofday.m4:10: -1- AC_DEFUN([gl_FUNC_GETTIMEOFDAY], [
  AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS])
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_HEADER_SYS_TIME_H])
  AC_CHECK_FUNCS_ONCE([gettimeofday])

  gl_gettimeofday_timezone=void
  if test $ac_cv_func_gettimeofday != yes; then
    HAVE_GETTIMEOFDAY=0
  else
    gl_FUNC_GETTIMEOFDAY_CLOBBER
    AC_CACHE_CHECK([for gettimeofday with POSIX signature],
      [gl_cv_func_gettimeofday_posix_signature],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <sys/time.h>
              struct timeval c;
              int gettimeofday (struct timeval *restrict, void *restrict);
            ]],
            [[/* glibc uses struct timezone * rather than the POSIX void *
                 if _GNU_SOURCE is defined.  However, since the only portable
                 use of gettimeofday uses NULL as the second parameter, and
                 since the glibc definition is actually more typesafe, it is
                 not worth wrapping this to get a compliant signature.  */
              int (*f) (struct timeval *restrict, void *restrict)
                = gettimeofday;
              int x = f (&c, 0);
              return !(x | c.tv_sec | c.tv_usec);
            ]])],
          [gl_cv_func_gettimeofday_posix_signature=yes],
          [AC_COMPILE_IFELSE(
            [AC_LANG_PROGRAM(
              [[#include <sys/time.h>
int gettimeofday (struct timeval *restrict, struct timezone *restrict);
              ]])],
            [gl_cv_func_gettimeofday_posix_signature=almost],
            [gl_cv_func_gettimeofday_posix_signature=no])])])
    if test $gl_cv_func_gettimeofday_posix_signature = almost; then
      gl_gettimeofday_timezone='struct timezone'
    elif test $gl_cv_func_gettimeofday_posix_signature != yes; then
      REPLACE_GETTIMEOFDAY=1
    fi
    dnl If we override 'struct timeval', we also have to override gettimeofday.
    if test $REPLACE_STRUCT_TIMEVAL = 1; then
      REPLACE_GETTIMEOFDAY=1
    fi
    dnl On mingw, the original gettimeofday has only a precision of 15.6
    dnl milliseconds. So override it.
    case "$host_os" in
      mingw*) REPLACE_GETTIMEOFDAY=1 ;;
    esac
  fi
  AC_DEFINE_UNQUOTED([GETTIMEOFDAY_TIMEZONE], [$gl_gettimeofday_timezone],
    [Define this to 'void' or 'struct timezone' to match the system's
     declaration of the second argument to gettimeofday.])
])
m4trace:m4/gettimeofday.m4:77: -1- AC_DEFUN([gl_FUNC_GETTIMEOFDAY_CLOBBER], [
 AC_REQUIRE([gl_HEADER_SYS_TIME_H])
 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
 AC_REQUIRE([gl_LOCALTIME_BUFFER_DEFAULTS])

 AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer],
  [gl_cv_func_gettimeofday_clobber],
  [AC_RUN_IFELSE(
     [AC_LANG_PROGRAM(
        [[#include <string.h>
          #include <sys/time.h>
          #include <time.h>
          #include <stdlib.h>
        ]],
        [[
          time_t t = 0;
          struct tm *lt;
          struct tm saved_lt;
          struct timeval tv;
          lt = localtime (&t);
          saved_lt = *lt;
          gettimeofday (&tv, NULL);
          return memcmp (lt, &saved_lt, sizeof (struct tm)) != 0;
        ]])],
     [gl_cv_func_gettimeofday_clobber=no],
     [gl_cv_func_gettimeofday_clobber=yes],
     [# When cross-compiling:
      case "$host_os" in
                # Guess all is fine on glibc systems.
        *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
                # If we don't know, assume the worst.
        *)      gl_cv_func_gettimeofday_clobber="guessing yes" ;;
      esac
     ])])

 case "$gl_cv_func_gettimeofday_clobber" in
   *yes)
     REPLACE_GETTIMEOFDAY=1
     AC_DEFINE([GETTIMEOFDAY_CLOBBERS_LOCALTIME], [1],
       [Define if gettimeofday clobbers the localtime buffer.])
     gl_LOCALTIME_BUFFER_NEEDED
     ;;
 esac
])
m4trace:m4/gettimeofday.m4:124: -1- AC_DEFUN([gl_PREREQ_GETTIMEOFDAY], [:])
m4trace:m4/glibc21.m4:11: -1- AC_DEFUN([gl_GLIBC21], [
    AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc],
      [ac_cv_gnu_library_2_1],
      [AC_EGREP_CPP([Lucky],
        [
#include <features.h>
#ifdef __GNU_LIBRARY__
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
  Lucky GNU user
 #endif
#endif
#ifdef __UCLIBC__
 Lucky user
#endif
        ],
        [ac_cv_gnu_library_2_1=yes],
        [ac_cv_gnu_library_2_1=no])
      ]
    )
    AC_SUBST([GLIBC21])
    GLIBC21="$ac_cv_gnu_library_2_1"
  
])
m4trace:m4/gnu-make.m4:15: -1- AC_DEFUN([gl_GNU_MAKE], [
  AM_CONDITIONAL([GNU_MAKE],
    [${MAKE-make} --version /cannot/make/this >/dev/null 2>&1])
])
m4trace:m4/gnulib-common.m4:9: -1- AC_DEFUN([gl_COMMON], [
  dnl Use AC_REQUIRE here, so that the code is expanded once only.
  AC_REQUIRE([gl_00GNULIB])
  AC_REQUIRE([gl_COMMON_BODY])
])
m4trace:m4/gnulib-common.m4:14: -1- AC_DEFUN([gl_COMMON_BODY], [
  AH_VERBATIM([_Noreturn],
[/* The _Noreturn keyword of C11.  */
#if ! (defined _Noreturn \
       || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__))
# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
      || 0x5110 <= __SUNPRO_C)
#  define _Noreturn __attribute__ ((__noreturn__))
# elif defined _MSC_VER && 1200 <= _MSC_VER
#  define _Noreturn __declspec (noreturn)
# else
#  define _Noreturn
# endif
#endif
])
  AH_VERBATIM([isoc99_inline],
[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
   the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
   earlier versions), but does not display it by setting __GNUC_STDC_INLINE__.
   __APPLE__ && __MACH__ test for Mac OS X.
   __APPLE_CC__ tests for the Apple compiler and its version.
   __STDC_VERSION__ tests for the C99 mode.  */
#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
# define __GNUC_STDC_INLINE__ 1
#endif])
  AH_VERBATIM([unused_parameter],
[/* Define as a marker that can be attached to declarations that might not
    be used.  This helps to reduce warnings, such as from
    GCC -Wunused-parameter.  */
#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _GL_UNUSED __attribute__ ((__unused__))
#else
# define _GL_UNUSED
#endif
/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
   is a misnomer outside of parameter lists.  */
#define _UNUSED_PARAMETER_ _GL_UNUSED

/* gcc supports the "unused" attribute on possibly unused labels, and
   g++ has since version 4.5.  Note to support C++ as well as C,
   _GL_UNUSED_LABEL should be used with a trailing ;  */
#if !defined __cplusplus || __GNUC__ > 4 \
    || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
# define _GL_UNUSED_LABEL _GL_UNUSED
#else
# define _GL_UNUSED_LABEL
#endif

/* The __pure__ attribute was added in gcc 2.96.  */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
#else
# define _GL_ATTRIBUTE_PURE /* empty */
#endif

/* The __const__ attribute was added in gcc 2.95.  */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
#else
# define _GL_ATTRIBUTE_CONST /* empty */
#endif
])
  dnl Preparation for running test programs:
  dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
  dnl to /dev/tty, so they can be redirected to log files.  Such diagnostics
  dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N.
  LIBC_FATAL_STDERR_=1
  export LIBC_FATAL_STDERR_
])
m4trace:m4/gnulib-common.m4:93: -1- AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE], [
  gl_MODULE_INDICATOR_SET_VARIABLE_AUX(
    [GNULIB_[]m4_translit([[$1]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])],
    [gl_MODULE_INDICATOR_CONDITION])
])
m4trace:m4/gnulib-common.m4:106: -1- AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX], [
  m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1],
    [
     dnl Simplify the expression VALUE || 1 to 1.
     $1=1
    ],
    [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1],
                                             [gl_MODULE_INDICATOR_CONDITION])])
])
m4trace:m4/gnulib-common.m4:120: -1- AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR], [
  dnl Simplify the expression 1 || CONDITION to 1.
  if test "$[]$1" != 1; then
    dnl Simplify the expression 0 || CONDITION to CONDITION.
    if test "$[]$1" = 0; then
      $1=$2
    else
      $1="($[]$1 || $2)"
    fi
  fi
])
m4trace:m4/gnulib-common.m4:145: -1- AC_DEFUN([gl_MODULE_INDICATOR], [
  AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]],
      [abcdefghijklmnopqrstuvwxyz./-],
      [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]),
    [gl_MODULE_INDICATOR_CONDITION],
    [Define to a C preprocessor expression that evaluates to 1 or 0,
     depending whether the gnulib module $1 shall be considered present.])
])
m4trace:m4/gnulib-common.m4:168: -1- AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], [
  AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]],
      [abcdefghijklmnopqrstuvwxyz./-],
      [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
    [Define to 1 when the gnulib module $1 should be tested.])
])
m4trace:m4/gnulib-common.m4:180: -1- AC_DEFUN([gl_ASSERT_NO_GNULIB_POSIXCHECK], [
  dnl Override gl_WARN_ON_USE_PREPARE.
  dnl But hide this definition from 'aclocal'.
  AC_DEFUN([gl_W][ARN_ON_USE_PREPARE], [])
])
m4trace:m4/gnulib-common.m4:191: -1- AC_DEFUN([gl_ASSERT_NO_GNULIB_TESTS], [
  dnl Override gl_MODULE_INDICATOR_FOR_TESTS.
  AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], [])
])
m4trace:m4/gnulib-common.m4:199: -1- AC_DEFUN([gl_FEATURES_H], [
  AC_CHECK_HEADERS_ONCE([features.h])
  if test $ac_cv_header_features_h = yes; then
    HAVE_FEATURES_H=1
  else
    HAVE_FEATURES_H=0
  fi
  AC_SUBST([HAVE_FEATURES_H])
])
m4trace:m4/gnulib-common.m4:239: -1- AC_DEFUN([gl_PROG_CC_C99], [
  dnl Change that version number to the minimum Autoconf version that supports
  dnl mixing AC_PROG_CC_C99 calls with AC_PROG_CC_STDC calls.
  m4_version_prereq([9.0],
    [AC_REQUIRE([AC_PROG_CC_C99])],
    [AC_REQUIRE([AC_PROG_CC_STDC])])
])
m4trace:m4/gnulib-common.m4:252: -1- AC_DEFUN([gl_PROG_AR_RANLIB], [
  dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler
  dnl as "cc", and GCC as "gcc". They have different object file formats and
  dnl library formats. In particular, the GNU binutils programs ar and ranlib
  dnl produce libraries that work only with gcc, not with cc.
  AC_REQUIRE([AC_PROG_CC])
  dnl The '' hides this use from 'aclocal'.
  AC_BEFORE([$0], [A][M_PROG_AR])
  AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler],
    [
      AC_EGREP_CPP([Amsterdam],
        [
#ifdef __ACK__
Amsterdam
#endif
        ],
        [gl_cv_c_amsterdam_compiler=yes],
        [gl_cv_c_amsterdam_compiler=no])
    ])

  dnl Don't compete with AM_PROG_AR's decision about AR/ARFLAGS if we are not
  dnl building with __ACK__.
  if test $gl_cv_c_amsterdam_compiler = yes; then
    if test -z "$AR"; then
      AR='cc -c.a'
    fi
    if test -z "$ARFLAGS"; then
      ARFLAGS='-o'
    fi
  else
    dnl AM_PROG_AR was added in automake v1.11.2.  AM_PROG_AR does not AC_SUBST
    dnl ARFLAGS variable (it is filed into Makefile.in directly by automake
    dnl script on-demand, if not specified by ./configure of course).
    dnl Don't AC_REQUIRE the AM_PROG_AR otherwise the code for __ACK__ above
    dnl will be ignored.  Also, pay attention to call AM_PROG_AR in else block
    dnl because AM_PROG_AR is written so it could re-set AR variable even for
    dnl __ACK__.  It may seem like its easier to avoid calling the macro here,
    dnl but we need to AC_SUBST both AR/ARFLAGS (thus those must have some good
    dnl default value and automake should usually know them).
    dnl
    dnl The '' hides this use from 'aclocal'.
    m4_ifdef([A][M_PROG_AR], [A][M_PROG_AR], [:])
  fi

  dnl In case the code above has not helped with setting AR/ARFLAGS, use
  dnl Automake-documented default values for AR and ARFLAGS, but prefer
  dnl ${host}-ar over ar (useful for cross-compiling).
  AC_CHECK_TOOL([AR], [ar], [ar])
  if test -z "$ARFLAGS"; then
    ARFLAGS='cr'
  fi

  AC_SUBST([AR])
  AC_SUBST([ARFLAGS])
  if test -z "$RANLIB"; then
    if test $gl_cv_c_amsterdam_compiler = yes; then
      RANLIB=':'
    else
      dnl Use the ranlib program if it is available.
      AC_PROG_RANLIB
    fi
  fi
  AC_SUBST([RANLIB])
])
m4trace:m4/gnulib-common.m4:343: -1- AC_DEFUN([AC_C_RESTRICT], [AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
  [ac_cv_c_restrict=no
   # The order here caters to the fact that C++ does not require restrict.
   for ac_kw in __restrict __restrict__ _Restrict restrict; do
     AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM(
	 [[typedef int *int_ptr;
	   int foo (int_ptr $ac_kw ip) { return ip[0]; }
	   int bar (int [$ac_kw]); /* Catch GCC bug 14050.  */
	   int bar (int ip[$ac_kw]) { return ip[0]; }
	 ]],
	 [[int s[1];
	   int *$ac_kw t = s;
	   t[0] = 0;
	   return foo (t) + bar (t);
	 ]])],
      [ac_cv_c_restrict=$ac_kw])
     test "$ac_cv_c_restrict" != no && break
   done
  ])
 AH_VERBATIM([restrict],
[/* Define to the equivalent of the C99 'restrict' keyword, or to
   nothing if this is not supported.  Do not define if restrict is
   supported directly.  */
#undef restrict
/* Work around a bug in Sun C++: it does not support _Restrict or
   __restrict__, even though the corresponding Sun C compiler ends up with
   "#define restrict _Restrict" or "#define restrict __restrict__" in the
   previous line.  Perhaps some future version of Sun C++ will work with
   restrict; if so, hopefully it defines __RESTRICT like Sun C does.  */
#if defined __SUNPRO_CC && !defined __RESTRICT
# define _Restrict
# define __restrict__
#endif])
 case $ac_cv_c_restrict in
   restrict) ;;
   no) AC_DEFINE([restrict], []) ;;
   *)  AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
 esac
])
m4trace:m4/gnulib-common.m4:389: -1- AC_DEFUN([gl_BIGENDIAN], [
  AC_C_BIGENDIAN
])
m4trace:m4/gnulib-common.m4:399: -1- AC_DEFUN([gl_CACHE_VAL_SILENT], [
  saved_as_echo_n="$as_echo_n"
  as_echo_n=':'
  AC_CACHE_VAL([$1], [$2])
  as_echo_n="$saved_as_echo_n"
])
m4trace:m4/gnulib-comp.m4:34: -1- AC_DEFUN([gl_EARLY], [
  m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace
  m4_pattern_allow([^gl_ES$])dnl a valid locale name
  m4_pattern_allow([^gl_LIBOBJS$])dnl a variable
  m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable

  # Pre-early section.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_REQUIRE([gl_PROG_AR_RANLIB])

  AC_REQUIRE([AM_PROG_CC_C_O])
  # Code from module absolute-header:
  # Code from module accept:
  # Code from module accept-tests:
  # Code from module alloca:
  # Code from module alloca-opt:
  # Code from module alloca-opt-tests:
  # Code from module allocator:
  # Code from module announce-gen:
  # Code from module areadlink:
  # Code from module areadlink-tests:
  # Code from module argmatch:
  # Code from module argmatch-tests:
  # Code from module arpa_inet:
  # Code from module arpa_inet-tests:
  # Code from module assure:
  # Code from module binary-io:
  # Code from module binary-io-tests:
  # Code from module bind:
  # Code from module bind-tests:
  # Code from module bitrotate:
  # Code from module bitrotate-tests:
  # Code from module btowc:
  # Code from module btowc-tests:
  # Code from module builtin-expect:
  # Code from module c-ctype:
  # Code from module c-ctype-tests:
  # Code from module c-stack:
  # Code from module c-stack-tests:
  # Code from module c-strcase:
  # Code from module c-strcase-tests:
  # Code from module c-strcaseeq:
  # Code from module careadlinkat:
  # Code from module clock-time:
  # Code from module close:
  # Code from module close-tests:
  # Code from module config-h:
  # Code from module configmake:
  # Code from module connect:
  # Code from module connect-tests:
  # Code from module ctype:
  # Code from module ctype-tests:
  # Code from module diffseq:
  # Code from module dirname:
  # Code from module dirname-lgpl:
  # Code from module dirname-tests:
  # Code from module do-release-commit-and-tag:
  # Code from module dosname:
  # Code from module double-slash-root:
  # Code from module dtotimespec:
  # Code from module dup2:
  # Code from module dup2-tests:
  # Code from module environ:
  # Code from module environ-tests:
  # Code from module errno:
  # Code from module errno-tests:
  # Code from module error:
  # Code from module exclude:
  # Code from module exclude-tests:
  # Code from module exitfail:
  # Code from module extensions:
  # Code from module extern-inline:
  # Code from module fcntl:
  # Code from module fcntl-h:
  # Code from module fcntl-h-tests:
  # Code from module fcntl-tests:
  # Code from module fd-hook:
  # Code from module fdl:
  # Code from module fdopen:
  # Code from module fdopen-tests:
  # Code from module fgetc-tests:
  # Code from module file-type:
  # Code from module filename:
  # Code from module filenamecat:
  # Code from module filenamecat-lgpl:
  # Code from module filenamecat-tests:
  # Code from module flexmember:
  # Code from module float:
  # Code from module float-tests:
  # Code from module fnmatch:
  # Code from module fnmatch-gnu:
  # Code from module fnmatch-tests:
  # Code from module fpieee:
  AC_REQUIRE([gl_FP_IEEE])
  # Code from module fpucw:
  # Code from module fputc-tests:
  # Code from module fread-tests:
  # Code from module freopen:
  # Code from module freopen-safer:
  # Code from module freopen-safer-tests:
  # Code from module freopen-tests:
  # Code from module fstat:
  # Code from module fstat-tests:
  # Code from module ftruncate:
  # Code from module ftruncate-tests:
  # Code from module fwrite-tests:
  # Code from module gendocs:
  # Code from module getcwd-lgpl:
  # Code from module getcwd-lgpl-tests:
  # Code from module getdtablesize:
  # Code from module getdtablesize-tests:
  # Code from module getopt:
  # Code from module getopt-gnu:
  # Code from module getopt-gnu-tests:
  # Code from module getopt-posix:
  # Code from module getopt-posix-tests:
  # Code from module getpagesize:
  # Code from module getprogname:
  # Code from module getprogname-tests:
  # Code from module gettext-h:
  # Code from module gettime:
  # Code from module gettimeofday:
  # Code from module gettimeofday-tests:
  # Code from module git-version-gen:
  # Code from module gitlog-to-changelog:
  # Code from module gnu-make:
  # Code from module gnu-web-doc-update:
  # Code from module gnumakefile:
  # Code from module gnupload:
  # Code from module gperf:
  # Code from module hard-locale:
  # Code from module hash:
  # Code from module hash-pjw:
  # Code from module hash-tests:
  # Code from module havelib:
  # Code from module iconv:
  # Code from module iconv-h:
  # Code from module iconv-h-tests:
  # Code from module iconv-tests:
  # Code from module iconv_open:
  # Code from module ignore-value:
  # Code from module ignore-value-tests:
  # Code from module include_next:
  # Code from module inet_pton:
  # Code from module inet_pton-tests:
  # Code from module inline:
  # Code from module intprops:
  # Code from module intprops-tests:
  # Code from module inttostr:
  # Code from module inttostr-tests:
  # Code from module inttypes:
  # Code from module inttypes-incomplete:
  # Code from module inttypes-tests:
  # Code from module ioctl:
  # Code from module ioctl-tests:
  # Code from module isblank:
  # Code from module isblank-tests:
  # Code from module iswblank:
  # Code from module iswblank-tests:
  # Code from module langinfo:
  # Code from module langinfo-tests:
  # Code from module largefile:
  AC_REQUIRE([AC_SYS_LARGEFILE])
  # Code from module libsigsegv:
  # Code from module limits-h:
  # Code from module limits-h-tests:
  # Code from module listen:
  # Code from module listen-tests:
  # Code from module localcharset:
  # Code from module locale:
  # Code from module locale-tests:
  # Code from module localeconv:
  # Code from module localeconv-tests:
  # Code from module localtime-buffer:
  # Code from module lstat:
  # Code from module lstat-tests:
  # Code from module maintainer-makefile:
  # Code from module malloc-posix:
  # Code from module malloca:
  # Code from module malloca-tests:
  # Code from module manywarnings:
  # Code from module mbchar:
  # Code from module mbiter:
  # Code from module mbrtowc:
  # Code from module mbrtowc-tests:
  # Code from module mbscasecmp:
  # Code from module mbscasecmp-tests:
  # Code from module mbsinit:
  # Code from module mbsinit-tests:
  # Code from module mbslen:
  # Code from module mbsrtowcs:
  # Code from module mbsrtowcs-tests:
  # Code from module mbsstr:
  # Code from module mbsstr-tests:
  # Code from module mbtowc:
  # Code from module mbuiter:
  # Code from module memchr:
  # Code from module memchr-tests:
  # Code from module minmax:
  # Code from module mkstemp:
  # Code from module mktime:
  # Code from module mktime-internal:
  # Code from module msvc-inval:
  # Code from module msvc-nothrow:
  # Code from module multiarch:
  # Code from module nanosleep:
  # Code from module nanosleep-tests:
  # Code from module netinet_in:
  # Code from module netinet_in-tests:
  # Code from module nl_langinfo:
  # Code from module nl_langinfo-tests:
  # Code from module nocrash:
  # Code from module open:
  # Code from module open-tests:
  # Code from module pathmax:
  # Code from module pathmax-tests:
  # Code from module perror:
  # Code from module perror-tests:
  # Code from module pipe-posix:
  # Code from module pipe-posix-tests:
  # Code from module progname:
  # Code from module propername:
  # Code from module putenv:
  # Code from module quote:
  # Code from module quotearg:
  # Code from module quotearg-simple:
  # Code from module quotearg-simple-tests:
  # Code from module raise:
  # Code from module raise-tests:
  # Code from module rawmemchr:
  # Code from module rawmemchr-tests:
  # Code from module readlink:
  # Code from module readlink-tests:
  # Code from module readme-release:
  # Code from module regex:
  # Code from module regex-tests:
  # Code from module same-inode:
  # Code from module secure_getenv:
  # Code from module select:
  # Code from module select-tests:
  # Code from module setenv:
  # Code from module setenv-tests:
  # Code from module setlocale:
  # Code from module setlocale-tests:
  # Code from module setsockopt:
  # Code from module setsockopt-tests:
  # Code from module sh-quote:
  # Code from module sh-quote-tests:
  # Code from module sigaction:
  # Code from module sigaction-tests:
  # Code from module signal:
  # Code from module signal-h:
  # Code from module signal-h-tests:
  # Code from module sigprocmask:
  # Code from module sigprocmask-tests:
  # Code from module size_max:
  # Code from module sleep:
  # Code from module sleep-tests:
  # Code from module snippet/_Noreturn:
  # Code from module snippet/arg-nonnull:
  # Code from module snippet/c++defs:
  # Code from module snippet/unused-parameter:
  # Code from module snippet/warn-on-use:
  # Code from module snprintf:
  # Code from module snprintf-tests:
  # Code from module socket:
  # Code from module socketlib:
  # Code from module sockets:
  # Code from module sockets-tests:
  # Code from module socklen:
  # Code from module ssize_t:
  # Code from module stat:
  # Code from module stat-macros:
  # Code from module stat-tests:
  # Code from module stat-time:
  # Code from module stat-time-tests:
  # Code from module stdalign:
  # Code from module stdalign-tests:
  # Code from module stdarg:
  dnl Some compilers (e.g., AIX 5.3 cc) need to be in c99 mode
  dnl for the builtin va_copy to work.  With Autoconf 2.60 or later,
  dnl gl_PROG_CC_C99 arranges for this.  With older Autoconf gl_PROG_CC_C99
  dnl shouldn't hurt, though installers are on their own to set c99 mode.
  gl_PROG_CC_C99
  # Code from module stdbool:
  # Code from module stdbool-tests:
  # Code from module stddef:
  # Code from module stddef-tests:
  # Code from module stdint:
  # Code from module stdint-tests:
  # Code from module stdio:
  # Code from module stdio-tests:
  # Code from module stdlib:
  # Code from module stdlib-tests:
  # Code from module strcase:
  # Code from module streq:
  # Code from module strerror:
  # Code from module strerror-override:
  # Code from module strerror-tests:
  # Code from module strerror_r-posix:
  # Code from module strerror_r-posix-tests:
  # Code from module strftime:
  # Code from module strftime-tests:
  # Code from module striconv:
  # Code from module striconv-tests:
  # Code from module string:
  # Code from module string-tests:
  # Code from module strings:
  # Code from module strings-tests:
  # Code from module strndup:
  # Code from module strnlen:
  # Code from module strnlen-tests:
  # Code from module strnlen1:
  # Code from module strptime:
  # Code from module strtoull:
  # Code from module strtoull-tests:
  # Code from module strtoumax:
  # Code from module strtoumax-tests:
  # Code from module symlink:
  # Code from module symlink-tests:
  # Code from module sys_ioctl:
  # Code from module sys_ioctl-tests:
  # Code from module sys_select:
  # Code from module sys_select-tests:
  # Code from module sys_socket:
  # Code from module sys_socket-tests:
  # Code from module sys_stat:
  # Code from module sys_stat-tests:
  # Code from module sys_time:
  # Code from module sys_time-tests:
  # Code from module sys_types:
  # Code from module sys_types-tests:
  # Code from module sys_uio:
  # Code from module sys_uio-tests:
  # Code from module sys_wait:
  # Code from module sys_wait-tests:
  # Code from module system-quote:
  # Code from module tempname:
  # Code from module test-framework-sh:
  # Code from module test-framework-sh-tests:
  # Code from module time:
  # Code from module time-tests:
  # Code from module time_r:
  # Code from module time_rz:
  # Code from module timegm:
  # Code from module timespec:
  # Code from module timespec-add:
  # Code from module timespec-sub:
  # Code from module timespec-tests:
  # Code from module trim:
  # Code from module tzset:
  # Code from module unistd:
  # Code from module unistd-tests:
  # Code from module unistr/base:
  # Code from module unistr/u8-mbtoucr:
  # Code from module unistr/u8-mbtoucr-tests:
  # Code from module unistr/u8-uctomb:
  # Code from module unistr/u8-uctomb-tests:
  # Code from module unitypes:
  # Code from module uniwidth/base:
  # Code from module uniwidth/width:
  # Code from module uniwidth/width-tests:
  # Code from module unlocked-io:
  # Code from module unsetenv:
  # Code from module unsetenv-tests:
  # Code from module update-copyright:
  # Code from module update-copyright-tests:
  # Code from module useless-if-before-free:
  # Code from module vararrays:
  # Code from module vasnprintf:
  # Code from module vasnprintf-tests:
  # Code from module vasprintf:
  # Code from module vasprintf-tests:
  # Code from module vc-list-files:
  # Code from module vc-list-files-tests:
  # Code from module verify:
  # Code from module verify-tests:
  # Code from module version-etc:
  # Code from module version-etc-fsf:
  # Code from module version-etc-tests:
  # Code from module warnings:
  # Code from module wchar:
  # Code from module wchar-tests:
  # Code from module wcrtomb:
  # Code from module wcrtomb-tests:
  # Code from module wctob:
  # Code from module wctomb:
  # Code from module wctype-h:
  # Code from module wctype-h-tests:
  # Code from module wcwidth:
  # Code from module wcwidth-tests:
  # Code from module xalloc:
  # Code from module xalloc-die:
  # Code from module xalloc-die-tests:
  # Code from module xalloc-oversized:
  # Code from module xfreopen:
  # Code from module xreadlink:
  # Code from module xsize:
  # Code from module xstriconv:
  # Code from module xstrndup:
  # Code from module xstrtol:
  # Code from module xstrtol-tests:
  # Code from module xstrtoumax:
  # Code from module xstrtoumax-tests:
  # Code from module xvasprintf:
  # Code from module xvasprintf-tests:
])
m4trace:m4/gnulib-comp.m4:445: -1- AC_DEFUN([gl_INIT], [
  AM_CONDITIONAL([GL_COND_LIBTOOL], [false])
  gl_cond_libtool=false
  gl_libdeps=
  gl_ltlibdeps=
  gl_m4_base='m4'
  m4_pushdef([AC_LIBOBJ], m4_defn([gl_LIBOBJ]))
  m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gl_REPLACE_FUNCS]))
  m4_pushdef([AC_LIBSOURCES], m4_defn([gl_LIBSOURCES]))
  m4_pushdef([gl_LIBSOURCES_LIST], [])
  m4_pushdef([gl_LIBSOURCES_DIR], [])
  gl_COMMON
  gl_source_base='lib'
  gl_FUNC_ALLOCA
  gl_FUNC_BTOWC
  if test $HAVE_BTOWC = 0 || test $REPLACE_BTOWC = 1; then
    AC_LIBOBJ([btowc])
    gl_PREREQ_BTOWC
  fi
  gl_WCHAR_MODULE_INDICATOR([btowc])
  gl___BUILTIN_EXPECT
  gl_C_STACK
  AC_CHECK_FUNCS_ONCE([readlinkat])
  gl_CLOCK_TIME
  gl_FUNC_CLOSE
  if test $REPLACE_CLOSE = 1; then
    AC_LIBOBJ([close])
  fi
  gl_UNISTD_MODULE_INDICATOR([close])
  gl_CONFIG_H
  gl_CONFIGMAKE_PREP
  gl_CTYPE_H
  gl_DIRNAME
  gl_MODULE_INDICATOR([dirname])
  gl_DIRNAME_LGPL
  gl_DOUBLE_SLASH_ROOT
  gl_FUNC_DUP2
  if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
    AC_LIBOBJ([dup2])
    gl_PREREQ_DUP2
  fi
  gl_UNISTD_MODULE_INDICATOR([dup2])
  gl_ENVIRON
  gl_UNISTD_MODULE_INDICATOR([environ])
  gl_HEADER_ERRNO_H
  gl_ERROR
  if test $ac_cv_lib_error_at_line = no; then
    AC_LIBOBJ([error])
    gl_PREREQ_ERROR
  fi
  m4_ifdef([AM_XGETTEXT_OPTION],
    [AM_][XGETTEXT_OPTION([--flag=error:3:c-format])
     AM_][XGETTEXT_OPTION([--flag=error_at_line:5:c-format])])
  AC_REQUIRE([gl_EXTERN_INLINE])
  gl_FUNC_FCNTL
  if test $HAVE_FCNTL = 0 || test $REPLACE_FCNTL = 1; then
    AC_LIBOBJ([fcntl])
  fi
  gl_FCNTL_MODULE_INDICATOR([fcntl])
  gl_FCNTL_H
  gl_FILE_NAME_CONCAT
  gl_MODULE_INDICATOR([filenamecat])
  gl_FILE_NAME_CONCAT_LGPL
  AC_C_FLEXIBLE_ARRAY_MEMBER
  gl_FLOAT_H
  if test $REPLACE_FLOAT_LDBL = 1; then
    AC_LIBOBJ([float])
  fi
  if test $REPLACE_ITOLD = 1; then
    AC_LIBOBJ([itold])
  fi
  gl_FUNC_FNMATCH_POSIX
  if test -n "$FNMATCH_H"; then
    AC_LIBOBJ([fnmatch])
    gl_PREREQ_FNMATCH
  fi
  gl_FUNC_FNMATCH_GNU
  if test -n "$FNMATCH_H"; then
    AC_LIBOBJ([fnmatch])
    gl_PREREQ_FNMATCH
  fi
  gl_FUNC_FREOPEN
  if test $REPLACE_FREOPEN = 1; then
    AC_LIBOBJ([freopen])
    gl_PREREQ_FREOPEN
  fi
  gl_STDIO_MODULE_INDICATOR([freopen])
  gl_MODULE_INDICATOR([freopen-safer])
  gl_FUNC_FSTAT
  if test $REPLACE_FSTAT = 1; then
    AC_LIBOBJ([fstat])
    AC_LIBOBJ([stat-w32])
    gl_PREREQ_FSTAT
  fi
  gl_SYS_STAT_MODULE_INDICATOR([fstat])
  gl_FUNC_GETDTABLESIZE
  if test $HAVE_GETDTABLESIZE = 0 || test $REPLACE_GETDTABLESIZE = 1; then
    AC_LIBOBJ([getdtablesize])
    gl_PREREQ_GETDTABLESIZE
  fi
  gl_UNISTD_MODULE_INDICATOR([getdtablesize])
  gl_FUNC_GETOPT_GNU
  dnl Because of the way gl_FUNC_GETOPT_GNU is implemented (the gl_getopt_required
  dnl mechanism), there is no need to do any AC_LIBOBJ or AC_SUBST here; they are
  dnl done in the getopt-posix module.
  gl_FUNC_GETOPT_POSIX
  if test $REPLACE_GETOPT = 1; then
    AC_LIBOBJ([getopt])
    AC_LIBOBJ([getopt1])
    dnl Arrange for unistd.h to include getopt.h.
    GNULIB_GL_UNISTD_H_GETOPT=1
  fi
  AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT])
  gl_FUNC_GETPROGNAME
  AC_SUBST([LIBINTL])
  AC_SUBST([LTLIBINTL])
  gl_GETTIME
  gl_FUNC_GETTIMEOFDAY
  if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then
    AC_LIBOBJ([gettimeofday])
    gl_PREREQ_GETTIMEOFDAY
  fi
  gl_SYS_TIME_MODULE_INDICATOR([gettimeofday])
  gl_GNU_MAKE
  # Autoconf 2.61a.99 and earlier don't support linking a file only
  # in VPATH builds.  But since GNUmakefile is for maintainer use
  # only, it does not matter if we skip the link with older autoconf.
  # Automake 1.10.1 and earlier try to remove GNUmakefile in non-VPATH
  # builds, so use a shell variable to bypass this.
  GNUmakefile=GNUmakefile
  m4_if(m4_version_compare([2.61a.100],
          m4_defn([m4_PACKAGE_VERSION])), [1], [],
        [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
          [GNUmakefile=$GNUmakefile])])
  gl_HARD_LOCALE
  AM_ICONV
  m4_ifdef([gl_ICONV_MODULE_INDICATOR],
    [gl_ICONV_MODULE_INDICATOR([iconv])])
  gl_ICONV_H
  gl_FUNC_ICONV_OPEN
  if test $REPLACE_ICONV_OPEN = 1; then
    AC_LIBOBJ([iconv_open])
  fi
  if test $REPLACE_ICONV = 1; then
    AC_LIBOBJ([iconv])
    AC_LIBOBJ([iconv_close])
  fi
  gl_INLINE
  gl_INTTOSTR
  gl_INTTYPES_H
  gl_INTTYPES_INCOMPLETE
  gl_FUNC_ISBLANK
  if test $HAVE_ISBLANK = 0; then
    AC_LIBOBJ([isblank])
  fi
  gl_CTYPE_MODULE_INDICATOR([isblank])
  gl_FUNC_ISWBLANK
  if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then
    :
  else
    if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then
      AC_LIBOBJ([iswblank])
    fi
  fi
  gl_WCTYPE_MODULE_INDICATOR([iswblank])
  gl_LANGINFO_H
  AC_REQUIRE([gl_LARGEFILE])
  gl_LIBSIGSEGV
  gl_LIMITS_H
  gl_LOCALCHARSET
  LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\""
  AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT])
  gl_LOCALE_H
  gl_FUNC_LOCALECONV
  if test $REPLACE_LOCALECONV = 1; then
    AC_LIBOBJ([localeconv])
    gl_PREREQ_LOCALECONV
  fi
  gl_LOCALE_MODULE_INDICATOR([localeconv])
  AC_REQUIRE([gl_LOCALTIME_BUFFER_DEFAULTS])
  AC_LIBOBJ([localtime-buffer])
  gl_FUNC_LSTAT
  if test $REPLACE_LSTAT = 1; then
    AC_LIBOBJ([lstat])
    gl_PREREQ_LSTAT
  fi
  gl_SYS_STAT_MODULE_INDICATOR([lstat])
  AC_CONFIG_COMMANDS_PRE([m4_ifdef([AH_HEADER],
    [AC_SUBST([CONFIG_INCLUDE], m4_defn([AH_HEADER]))])])
  AC_REQUIRE([AC_PROG_SED])
  gl_FUNC_MALLOC_POSIX
  if test $REPLACE_MALLOC = 1; then
    AC_LIBOBJ([malloc])
  fi
  gl_STDLIB_MODULE_INDICATOR([malloc-posix])
  gl_MALLOCA
  gl_MBCHAR
  gl_MBITER
  gl_FUNC_MBRTOWC
  if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then
    AC_LIBOBJ([mbrtowc])
    gl_PREREQ_MBRTOWC
  fi
  gl_WCHAR_MODULE_INDICATOR([mbrtowc])
  gl_STRING_MODULE_INDICATOR([mbscasecmp])
  gl_FUNC_MBSINIT
  if test $HAVE_MBSINIT = 0 || test $REPLACE_MBSINIT = 1; then
    AC_LIBOBJ([mbsinit])
    gl_PREREQ_MBSINIT
  fi
  gl_WCHAR_MODULE_INDICATOR([mbsinit])
  gl_FUNC_MBSLEN
  gl_STRING_MODULE_INDICATOR([mbslen])
  gl_FUNC_MBSRTOWCS
  if test $HAVE_MBSRTOWCS = 0 || test $REPLACE_MBSRTOWCS = 1; then
    AC_LIBOBJ([mbsrtowcs])
    AC_LIBOBJ([mbsrtowcs-state])
    gl_PREREQ_MBSRTOWCS
  fi
  gl_WCHAR_MODULE_INDICATOR([mbsrtowcs])
  gl_STRING_MODULE_INDICATOR([mbsstr])
  gl_FUNC_MBTOWC
  if test $REPLACE_MBTOWC = 1; then
    AC_LIBOBJ([mbtowc])
    gl_PREREQ_MBTOWC
  fi
  gl_STDLIB_MODULE_INDICATOR([mbtowc])
  gl_MBITER
  gl_FUNC_MEMCHR
  if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then
    AC_LIBOBJ([memchr])
    gl_PREREQ_MEMCHR
  fi
  gl_STRING_MODULE_INDICATOR([memchr])
  gl_MINMAX
  gl_FUNC_MKSTEMP
  if test $HAVE_MKSTEMP = 0 || test $REPLACE_MKSTEMP = 1; then
    AC_LIBOBJ([mkstemp])
    gl_PREREQ_MKSTEMP
  fi
  gl_STDLIB_MODULE_INDICATOR([mkstemp])
  gl_FUNC_MKTIME
  if test $REPLACE_MKTIME = 1; then
    AC_LIBOBJ([mktime])
    gl_PREREQ_MKTIME
  fi
  gl_TIME_MODULE_INDICATOR([mktime])
  gl_FUNC_MKTIME_INTERNAL
  if test $WANT_MKTIME_INTERNAL = 1; then
    AC_LIBOBJ([mktime])
    gl_PREREQ_MKTIME
  fi
  AC_REQUIRE([gl_MSVC_INVAL])
  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
    AC_LIBOBJ([msvc-inval])
  fi
  AC_REQUIRE([gl_MSVC_NOTHROW])
  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
    AC_LIBOBJ([msvc-nothrow])
  fi
  gl_MODULE_INDICATOR([msvc-nothrow])
  gl_MULTIARCH
  gl_FUNC_NL_LANGINFO
  if test $HAVE_NL_LANGINFO = 0 || test $REPLACE_NL_LANGINFO = 1; then
    AC_LIBOBJ([nl_langinfo])
  fi
  gl_LANGINFO_MODULE_INDICATOR([nl_langinfo])
  gl_FUNC_OPEN
  if test $REPLACE_OPEN = 1; then
    AC_LIBOBJ([open])
    gl_PREREQ_OPEN
  fi
  gl_FCNTL_MODULE_INDICATOR([open])
  gl_PATHMAX
  AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>])
  AC_CHECK_DECLS([program_invocation_short_name], [], [], [#include <errno.h>])
  m4_ifdef([AM_XGETTEXT_OPTION],
    [AM_][XGETTEXT_OPTION([--keyword='proper_name:1,\"This is a proper name. See the gettext manual, section Names.\"'])
     AM_][XGETTEXT_OPTION([--keyword='proper_name_utf8:1,\"This is a proper name. See the gettext manual, section Names.\"'])])
  gl_QUOTE
  gl_QUOTEARG
  gl_FUNC_RAISE
  if test $HAVE_RAISE = 0 || test $REPLACE_RAISE = 1; then
    AC_LIBOBJ([raise])
    gl_PREREQ_RAISE
  fi
  gl_SIGNAL_MODULE_INDICATOR([raise])
  gl_FUNC_RAWMEMCHR
  if test $HAVE_RAWMEMCHR = 0; then
    AC_LIBOBJ([rawmemchr])
    gl_PREREQ_RAWMEMCHR
  fi
  gl_STRING_MODULE_INDICATOR([rawmemchr])
  gl_FUNC_READLINK
  if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
    AC_LIBOBJ([readlink])
    gl_PREREQ_READLINK
  fi
  gl_UNISTD_MODULE_INDICATOR([readlink])
  gl_REGEX
  if test $ac_use_included_regex = yes; then
    AC_LIBOBJ([regex])
    gl_PREREQ_REGEX
  fi
  gl_FUNC_SECURE_GETENV
  if test $HAVE_SECURE_GETENV = 0; then
    AC_LIBOBJ([secure_getenv])
    gl_PREREQ_SECURE_GETENV
  fi
  gl_STDLIB_MODULE_INDICATOR([secure_getenv])
  gl_FUNC_SETENV
  if test $HAVE_SETENV = 0 || test $REPLACE_SETENV = 1; then
    AC_LIBOBJ([setenv])
  fi
  gl_STDLIB_MODULE_INDICATOR([setenv])
  gl_SIGACTION
  if test $HAVE_SIGACTION = 0; then
    AC_LIBOBJ([sigaction])
    gl_PREREQ_SIGACTION
  fi
  gl_SIGNAL_MODULE_INDICATOR([sigaction])
  gl_SIGNAL_H
  gl_SIGNALBLOCKING
  if test $HAVE_POSIX_SIGNALBLOCKING = 0; then
    AC_LIBOBJ([sigprocmask])
    gl_PREREQ_SIGPROCMASK
  fi
  gl_SIGNAL_MODULE_INDICATOR([sigprocmask])
  gl_SIZE_MAX
  gt_TYPE_SSIZE_T
  gl_FUNC_STAT
  if test $REPLACE_STAT = 1; then
    AC_LIBOBJ([stat])
    AC_LIBOBJ([stat-w32])
    gl_PREREQ_STAT
  fi
  gl_SYS_STAT_MODULE_INDICATOR([stat])
  gl_STAT_TIME
  gl_STAT_BIRTHTIME
  gl_STDARG_H
  AM_STDBOOL_H
  gl_STDDEF_H
  gl_STDINT_H
  gl_STDIO_H
  gl_STDLIB_H
  gl_STRCASE
  if test $HAVE_STRCASECMP = 0; then
    AC_LIBOBJ([strcasecmp])
    gl_PREREQ_STRCASECMP
  fi
  if test $HAVE_STRNCASECMP = 0; then
    AC_LIBOBJ([strncasecmp])
    gl_PREREQ_STRNCASECMP
  fi
  gl_FUNC_STRERROR
  if test $REPLACE_STRERROR = 1; then
    AC_LIBOBJ([strerror])
  fi
  gl_MODULE_INDICATOR([strerror])
  gl_STRING_MODULE_INDICATOR([strerror])
  AC_REQUIRE([gl_HEADER_ERRNO_H])
  AC_REQUIRE([gl_FUNC_STRERROR_0])
  if test -n "$ERRNO_H" || test $REPLACE_STRERROR_0 = 1; then
    AC_LIBOBJ([strerror-override])
    gl_PREREQ_SYS_H_WINSOCK2
  fi
  gl_FUNC_GNU_STRFTIME
  if test $gl_cond_libtool = false; then
    gl_ltlibdeps="$gl_ltlibdeps $LTLIBICONV"
    gl_libdeps="$gl_libdeps $LIBICONV"
  fi
  gl_HEADER_STRING_H
  gl_HEADER_STRINGS_H
  gl_FUNC_STRNDUP
  if test $HAVE_STRNDUP = 0 || test $REPLACE_STRNDUP = 1; then
    AC_LIBOBJ([strndup])
  fi
  gl_STRING_MODULE_INDICATOR([strndup])
  gl_FUNC_STRNLEN
  if test $HAVE_DECL_STRNLEN = 0 || test $REPLACE_STRNLEN = 1; then
    AC_LIBOBJ([strnlen])
    gl_PREREQ_STRNLEN
  fi
  gl_STRING_MODULE_INDICATOR([strnlen])
  gl_FUNC_STRPTIME
  if test $HAVE_STRPTIME = 0; then
    AC_LIBOBJ([strptime])
    gl_PREREQ_STRPTIME
  fi
  gl_TIME_MODULE_INDICATOR([strptime])
  gl_FUNC_STRTOULL
  if test $HAVE_STRTOULL = 0; then
    AC_LIBOBJ([strtoull])
    gl_PREREQ_STRTOULL
  fi
  gl_STDLIB_MODULE_INDICATOR([strtoull])
  gl_FUNC_STRTOUMAX
  if test $HAVE_DECL_STRTOUMAX = 0 || test $REPLACE_STRTOUMAX = 1; then
    AC_LIBOBJ([strtoumax])
    gl_PREREQ_STRTOUMAX
  fi
  gl_INTTYPES_MODULE_INDICATOR([strtoumax])
  gl_HEADER_SYS_STAT_H
  AC_PROG_MKDIR_P
  gl_HEADER_SYS_TIME_H
  AC_PROG_MKDIR_P
  gl_SYS_TYPES_H
  AC_PROG_MKDIR_P
  gl_SYS_WAIT_H
  AC_PROG_MKDIR_P
  gl_FUNC_GEN_TEMPNAME
  gl_HEADER_TIME_H
  gl_TIME_R
  if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then
    AC_LIBOBJ([time_r])
    gl_PREREQ_TIME_R
  fi
  gl_TIME_MODULE_INDICATOR([time_r])
  gl_TIME_RZ
  if test $HAVE_TIMEZONE_T = 0; then
    AC_LIBOBJ([time_rz])
  fi
  gl_TIME_MODULE_INDICATOR([time_rz])
  gl_FUNC_TIMEGM
  if test $HAVE_TIMEGM = 0 || test $REPLACE_TIMEGM = 1; then
    AC_LIBOBJ([timegm])
    gl_PREREQ_TIMEGM
  fi
  gl_TIME_MODULE_INDICATOR([timegm])
  gl_TIMESPEC
  gl_FUNC_TZSET
  if test $HAVE_TZSET = 0 || test $REPLACE_TZSET = 1; then
    AC_LIBOBJ([tzset])
  fi
  gl_TIME_MODULE_INDICATOR([tzset])
  gl_UNISTD_H
  gl_LIBUNISTRING_LIBHEADER([0.9.4], [unistr.h])
  gl_MODULE_INDICATOR([unistr/u8-mbtoucr])
  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-mbtoucr])
  gl_MODULE_INDICATOR([unistr/u8-uctomb])
  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-uctomb])
  gl_LIBUNISTRING_LIBHEADER([0.9.4], [unitypes.h])
  gl_LIBUNISTRING_LIBHEADER([0.9.4], [uniwidth.h])
  gl_LIBUNISTRING_MODULE([0.9.6], [uniwidth/width])
  gl_FUNC_GLIBC_UNLOCKED_IO
  gl_FUNC_UNSETENV
  if test $HAVE_UNSETENV = 0 || test $REPLACE_UNSETENV = 1; then
    AC_LIBOBJ([unsetenv])
    gl_PREREQ_UNSETENV
  fi
  gl_STDLIB_MODULE_INDICATOR([unsetenv])
  AC_C_VARARRAYS
  gl_FUNC_VASNPRINTF
  gl_FUNC_VASPRINTF
  gl_STDIO_MODULE_INDICATOR([vasprintf])
  m4_ifdef([AM_XGETTEXT_OPTION],
    [AM_][XGETTEXT_OPTION([--flag=asprintf:2:c-format])
     AM_][XGETTEXT_OPTION([--flag=vasprintf:2:c-format])])
  gl_VERSION_ETC
  gl_WCHAR_H
  gl_FUNC_WCRTOMB
  if test $HAVE_WCRTOMB = 0 || test $REPLACE_WCRTOMB = 1; then
    AC_LIBOBJ([wcrtomb])
    gl_PREREQ_WCRTOMB
  fi
  gl_WCHAR_MODULE_INDICATOR([wcrtomb])
  gl_WCTYPE_H
  gl_FUNC_WCWIDTH
  if test $HAVE_WCWIDTH = 0 || test $REPLACE_WCWIDTH = 1; then
    AC_LIBOBJ([wcwidth])
  fi
  gl_WCHAR_MODULE_INDICATOR([wcwidth])
  gl_XALLOC
  gl_XSIZE
  gl_XSTRNDUP
  gl_XSTRTOL
  gl_XVASPRINTF
  m4_ifdef([AM_XGETTEXT_OPTION],
    [AM_][XGETTEXT_OPTION([--flag=xasprintf:1:c-format])])
  # End of code from modules
  m4_ifval(gl_LIBSOURCES_LIST, [
    m4_syscmd([test ! -d ]m4_defn([gl_LIBSOURCES_DIR])[ ||
      for gl_file in ]gl_LIBSOURCES_LIST[ ; do
        if test ! -r ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file ; then
          echo "missing file ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file" >&2
          exit 1
        fi
      done])dnl
      m4_if(m4_sysval, [0], [],
        [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])])
  ])
  m4_popdef([gl_LIBSOURCES_DIR])
  m4_popdef([gl_LIBSOURCES_LIST])
  m4_popdef([AC_LIBSOURCES])
  m4_popdef([AC_REPLACE_FUNCS])
  m4_popdef([AC_LIBOBJ])
  AC_CONFIG_COMMANDS_PRE([
    gl_libobjs=
    gl_ltlibobjs=
    if test -n "$gl_LIBOBJS"; then
      # Remove the extension.
      sed_drop_objext='s/\.o$//;s/\.obj$//'
      for i in `for i in $gl_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
        gl_libobjs="$gl_libobjs $i.$ac_objext"
        gl_ltlibobjs="$gl_ltlibobjs $i.lo"
      done
    fi
    AC_SUBST([gl_LIBOBJS], [$gl_libobjs])
    AC_SUBST([gl_LTLIBOBJS], [$gl_ltlibobjs])
  ])
  gltests_libdeps=
  gltests_ltlibdeps=
  m4_pushdef([AC_LIBOBJ], m4_defn([gltests_LIBOBJ]))
  m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gltests_REPLACE_FUNCS]))
  m4_pushdef([AC_LIBSOURCES], m4_defn([gltests_LIBSOURCES]))
  m4_pushdef([gltests_LIBSOURCES_LIST], [])
  m4_pushdef([gltests_LIBSOURCES_DIR], [])
  gl_COMMON
  gl_source_base='gnulib-tests'
changequote(,)dnl
  gltests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS
changequote([, ])dnl
  AC_SUBST([gltests_WITNESS])
  gl_module_indicator_condition=$gltests_WITNESS
  m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition])
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  if test "$ac_cv_header_winsock2_h" = yes; then
    AC_LIBOBJ([accept])
  fi
  gl_SYS_SOCKET_MODULE_INDICATOR([accept])
  gl_HEADER_ARPA_INET
  AC_PROG_MKDIR_P
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  if test "$ac_cv_header_winsock2_h" = yes; then
    AC_LIBOBJ([bind])
  fi
  gl_SYS_SOCKET_MODULE_INDICATOR([bind])
  gt_LOCALE_FR
  gt_LOCALE_FR_UTF8
  gt_LOCALE_FR
  gt_LOCALE_TR_UTF8
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  if test "$ac_cv_header_winsock2_h" = yes; then
    AC_LIBOBJ([connect])
  fi
  gl_SYS_SOCKET_MODULE_INDICATOR([connect])
  gl_FUNC_FDOPEN
  if test $REPLACE_FDOPEN = 1; then
    AC_LIBOBJ([fdopen])
    gl_PREREQ_FDOPEN
  fi
  gl_STDIO_MODULE_INDICATOR([fdopen])
  gl_FUNC_FTRUNCATE
  if test $HAVE_FTRUNCATE = 0 || test $REPLACE_FTRUNCATE = 1; then
    AC_LIBOBJ([ftruncate])
    gl_PREREQ_FTRUNCATE
  fi
  gl_UNISTD_MODULE_INDICATOR([ftruncate])
  gl_FUNC_GETCWD_LGPL
  if test $REPLACE_GETCWD = 1; then
    AC_LIBOBJ([getcwd-lgpl])
  fi
  gl_UNISTD_MODULE_INDICATOR([getcwd])
  gl_FUNC_GETPAGESIZE
  if test $REPLACE_GETPAGESIZE = 1; then
    AC_LIBOBJ([getpagesize])
  fi
  gl_UNISTD_MODULE_INDICATOR([getpagesize])
  gl_FUNC_INET_PTON
  if test $HAVE_INET_PTON = 0 || test $REPLACE_INET_NTOP = 1; then
    AC_LIBOBJ([inet_pton])
    gl_PREREQ_INET_PTON
  fi
  gl_ARPA_INET_MODULE_INDICATOR([inet_pton])
  AC_C_BIGENDIAN
  gl_FUNC_IOCTL
  if test $HAVE_IOCTL = 0 || test $REPLACE_IOCTL = 1; then
    AC_LIBOBJ([ioctl])
  fi
  gl_SYS_IOCTL_MODULE_INDICATOR([ioctl])
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  if test "$ac_cv_header_winsock2_h" = yes; then
    AC_LIBOBJ([listen])
  fi
  gl_SYS_SOCKET_MODULE_INDICATOR([listen])
  AC_CHECK_FUNCS_ONCE([newlocale])
  gt_LOCALE_FR
  gt_LOCALE_FR_UTF8
  gt_LOCALE_JA
  gt_LOCALE_ZH_CN
  gt_LOCALE_TR_UTF8
  gt_LOCALE_FR_UTF8
  gt_LOCALE_FR
  gt_LOCALE_FR_UTF8
  gt_LOCALE_JA
  gt_LOCALE_ZH_CN
  gt_LOCALE_FR_UTF8
  gt_LOCALE_ZH_CN
  dnl Check for prerequisites for memory fence checks.
  gl_FUNC_MMAP_ANON
  AC_CHECK_HEADERS_ONCE([sys/mman.h])
  AC_CHECK_FUNCS_ONCE([mprotect])
  gl_FUNC_NANOSLEEP
  if test $HAVE_NANOSLEEP = 0 || test $REPLACE_NANOSLEEP = 1; then
    AC_LIBOBJ([nanosleep])
    gl_PREREQ_NANOSLEEP
  fi
  gl_TIME_MODULE_INDICATOR([nanosleep])
  AC_CHECK_DECLS_ONCE([alarm])
  gl_HEADER_NETINET_IN
  AC_PROG_MKDIR_P
  gt_LOCALE_FR
  gt_LOCALE_FR_UTF8
  gl_FUNC_PERROR
  if test $REPLACE_PERROR = 1; then
    AC_LIBOBJ([perror])
  fi
  gl_STRING_MODULE_INDICATOR([perror])
  gl_FUNC_PIPE
  if test $HAVE_PIPE = 0; then
    AC_LIBOBJ([pipe])
  fi
  gl_UNISTD_MODULE_INDICATOR([pipe])
  gl_FUNC_PUTENV
  if test $REPLACE_PUTENV = 1; then
    AC_LIBOBJ([putenv])
    gl_PREREQ_PUTENV
  fi
  gl_STDLIB_MODULE_INDICATOR([putenv])
  dnl Check for prerequisites for memory fence checks.
  dnl FIXME: zerosize-ptr.h requires these: make a module for it
  gl_FUNC_MMAP_ANON
  AC_CHECK_HEADERS_ONCE([sys/mman.h])
  AC_CHECK_FUNCS_ONCE([mprotect])
  dnl Check for prerequisites for memory fence checks.
  gl_FUNC_MMAP_ANON
  AC_CHECK_HEADERS_ONCE([sys/mman.h])
  AC_CHECK_FUNCS_ONCE([mprotect])
  gl_FUNC_SELECT
  if test $REPLACE_SELECT = 1; then
    AC_LIBOBJ([select])
  fi
  gl_SYS_SELECT_MODULE_INDICATOR([select])
  AC_CHECK_HEADERS_ONCE([sys/wait.h])
  gl_FUNC_SETLOCALE
  if test $REPLACE_SETLOCALE = 1; then
    AC_LIBOBJ([setlocale])
    gl_PREREQ_SETLOCALE
  fi
  gl_LOCALE_MODULE_INDICATOR([setlocale])
  gt_LOCALE_FR
  gt_LOCALE_FR_UTF8
  gt_LOCALE_JA
  gt_LOCALE_ZH_CN
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  if test "$ac_cv_header_winsock2_h" = yes; then
    AC_LIBOBJ([setsockopt])
  fi
  gl_SYS_SOCKET_MODULE_INDICATOR([setsockopt])
  gl_FUNC_SLEEP
  if test $HAVE_SLEEP = 0 || test $REPLACE_SLEEP = 1; then
    AC_LIBOBJ([sleep])
  fi
  gl_UNISTD_MODULE_INDICATOR([sleep])
  AC_CHECK_DECLS_ONCE([alarm])
  gl_FUNC_SNPRINTF
  gl_STDIO_MODULE_INDICATOR([snprintf])
  gl_MODULE_INDICATOR([snprintf])
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  if test "$ac_cv_header_winsock2_h" = yes; then
    AC_LIBOBJ([socket])
  fi
  # When this module is used, sockets may actually occur as file descriptors,
  # hence it is worth warning if the modules 'close' and 'ioctl' are not used.
  m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
  m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])])
  AC_REQUIRE([gl_PREREQ_SYS_H_WINSOCK2])
  if test "$ac_cv_header_winsock2_h" = yes; then
    UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1
    SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1
  fi
  gl_SYS_SOCKET_MODULE_INDICATOR([socket])
  AC_REQUIRE([gl_SOCKETLIB])
  AC_REQUIRE([gl_SOCKETS])
  gl_TYPE_SOCKLEN_T
  gl_STDALIGN_H
  AC_REQUIRE([gt_TYPE_WCHAR_T])
  AC_REQUIRE([gt_TYPE_WINT_T])
  gl_FUNC_STRERROR_R
  if test $HAVE_DECL_STRERROR_R = 0 || test $REPLACE_STRERROR_R = 1; then
    AC_LIBOBJ([strerror_r])
    gl_PREREQ_STRERROR_R
  fi
  gl_STRING_MODULE_INDICATOR([strerror_r])
  dnl For the modules argp, error.
  gl_MODULE_INDICATOR([strerror_r-posix])
  dnl Check for prerequisites for memory fence checks.
  gl_FUNC_MMAP_ANON
  AC_CHECK_HEADERS_ONCE([sys/mman.h])
  AC_CHECK_FUNCS_ONCE([mprotect])
  gl_FUNC_SYMLINK
  if test $HAVE_SYMLINK = 0 || test $REPLACE_SYMLINK = 1; then
    AC_LIBOBJ([symlink])
  fi
  gl_UNISTD_MODULE_INDICATOR([symlink])
  gl_SYS_IOCTL_H
  AC_PROG_MKDIR_P
  AC_REQUIRE([gl_HEADER_SYS_SELECT])
  AC_PROG_MKDIR_P
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  AC_PROG_MKDIR_P
  AC_CHECK_FUNCS_ONCE([shutdown])
  gl_HEADER_SYS_UIO
  AC_PROG_MKDIR_P
  abs_aux_dir=`cd "$ac_aux_dir"; pwd`
  AC_SUBST([abs_aux_dir])
  abs_aux_dir=`cd "$ac_aux_dir"; pwd`
  AC_SUBST([abs_aux_dir])
  gt_LOCALE_FR
  gt_LOCALE_FR_UTF8
  gt_LOCALE_JA
  gt_LOCALE_ZH_CN
  gl_FUNC_WCTOB
  if test $HAVE_WCTOB = 0 || test $REPLACE_WCTOB = 1; then
    AC_LIBOBJ([wctob])
    gl_PREREQ_WCTOB
  fi
  gl_WCHAR_MODULE_INDICATOR([wctob])
  gl_FUNC_WCTOMB
  if test $REPLACE_WCTOMB = 1; then
    AC_LIBOBJ([wctomb])
    gl_PREREQ_WCTOMB
  fi
  gl_STDLIB_MODULE_INDICATOR([wctomb])
  m4_popdef([gl_MODULE_INDICATOR_CONDITION])
  m4_ifval(gltests_LIBSOURCES_LIST, [
    m4_syscmd([test ! -d ]m4_defn([gltests_LIBSOURCES_DIR])[ ||
      for gl_file in ]gltests_LIBSOURCES_LIST[ ; do
        if test ! -r ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file ; then
          echo "missing file ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file" >&2
          exit 1
        fi
      done])dnl
      m4_if(m4_sysval, [0], [],
        [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])])
  ])
  m4_popdef([gltests_LIBSOURCES_DIR])
  m4_popdef([gltests_LIBSOURCES_LIST])
  m4_popdef([AC_LIBSOURCES])
  m4_popdef([AC_REPLACE_FUNCS])
  m4_popdef([AC_LIBOBJ])
  AC_CONFIG_COMMANDS_PRE([
    gltests_libobjs=
    gltests_ltlibobjs=
    if test -n "$gltests_LIBOBJS"; then
      # Remove the extension.
      sed_drop_objext='s/\.o$//;s/\.obj$//'
      for i in `for i in $gltests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
        gltests_libobjs="$gltests_libobjs $i.$ac_objext"
        gltests_ltlibobjs="$gltests_ltlibobjs $i.lo"
      done
    fi
    AC_SUBST([gltests_LIBOBJS], [$gltests_libobjs])
    AC_SUBST([gltests_LTLIBOBJS], [$gltests_ltlibobjs])
  ])
  LIBDIFFUTILS_LIBDEPS="$gl_libdeps"
  AC_SUBST([LIBDIFFUTILS_LIBDEPS])
  LIBDIFFUTILS_LTLIBDEPS="$gl_ltlibdeps"
  AC_SUBST([LIBDIFFUTILS_LTLIBDEPS])
  LIBTESTS_LIBDEPS="$gltests_libdeps"
  AC_SUBST([LIBTESTS_LIBDEPS])
])
m4trace:m4/gnulib-comp.m4:1221: -1- AC_DEFUN([gl_LIBOBJ], [
  AS_LITERAL_IF([$1], [gl_LIBSOURCES([$1.c])])dnl
  gl_LIBOBJS="$gl_LIBOBJS $1.$ac_objext"
])
m4trace:m4/gnulib-comp.m4:1228: -1- AC_DEFUN([gl_REPLACE_FUNCS], [
  m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl
  AC_CHECK_FUNCS([$1], , [gl_LIBOBJ($ac_func)])
])
m4trace:m4/gnulib-comp.m4:1237: -1- AC_DEFUN([gl_LIBSOURCES], [
  m4_foreach([_gl_NAME], [$1], [
    m4_if(_gl_NAME, [alloca.c], [], [
      m4_define([gl_LIBSOURCES_DIR], [lib])
      m4_append([gl_LIBSOURCES_LIST], _gl_NAME, [ ])
    ])
  ])
])
m4trace:m4/gnulib-comp.m4:1248: -1- AC_DEFUN([gltests_LIBOBJ], [
  AS_LITERAL_IF([$1], [gltests_LIBSOURCES([$1.c])])dnl
  gltests_LIBOBJS="$gltests_LIBOBJS $1.$ac_objext"
])
m4trace:m4/gnulib-comp.m4:1255: -1- AC_DEFUN([gltests_REPLACE_FUNCS], [
  m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl
  AC_CHECK_FUNCS([$1], , [gltests_LIBOBJ($ac_func)])
])
m4trace:m4/gnulib-comp.m4:1264: -1- AC_DEFUN([gltests_LIBSOURCES], [
  m4_foreach([_gl_NAME], [$1], [
    m4_if(_gl_NAME, [alloca.c], [], [
      m4_define([gltests_LIBSOURCES_DIR], [gnulib-tests])
      m4_append([gltests_LIBSOURCES_LIST], _gl_NAME, [ ])
    ])
  ])
])
m4trace:m4/gnulib-comp.m4:1275: -1- AC_DEFUN([gl_FILE_LIST], [
  build-aux/announce-gen
  build-aux/config.rpath
  build-aux/do-release-commit-and-tag
  build-aux/gendocs.sh
  build-aux/git-version-gen
  build-aux/gitlog-to-changelog
  build-aux/gnu-web-doc-update
  build-aux/gnupload
  build-aux/update-copyright
  build-aux/useless-if-before-free
  build-aux/vc-list-files
  doc/fdl.texi
  doc/gendocs_template
  doc/gendocs_template_min
  lib/_Noreturn.h
  lib/alloca.c
  lib/alloca.in.h
  lib/allocator.c
  lib/allocator.h
  lib/anytostr.c
  lib/areadlink.c
  lib/areadlink.h
  lib/arg-nonnull.h
  lib/argmatch.c
  lib/argmatch.h
  lib/asnprintf.c
  lib/asprintf.c
  lib/assure.h
  lib/basename-lgpl.c
  lib/basename.c
  lib/binary-io.c
  lib/binary-io.h
  lib/bitrotate.c
  lib/bitrotate.h
  lib/btowc.c
  lib/c++defs.h
  lib/c-ctype.c
  lib/c-ctype.h
  lib/c-stack.c
  lib/c-stack.h
  lib/c-strcase.h
  lib/c-strcasecmp.c
  lib/c-strcaseeq.h
  lib/c-strncasecmp.c
  lib/careadlinkat.c
  lib/careadlinkat.h
  lib/close.c
  lib/config.charset
  lib/ctype.in.h
  lib/diffseq.h
  lib/dirname-lgpl.c
  lib/dirname.c
  lib/dirname.h
  lib/dosname.h
  lib/dup2.c
  lib/errno.in.h
  lib/error.c
  lib/error.h
  lib/exclude.c
  lib/exclude.h
  lib/exitfail.c
  lib/exitfail.h
  lib/fcntl.c
  lib/fcntl.in.h
  lib/fd-hook.c
  lib/fd-hook.h
  lib/file-type.c
  lib/file-type.h
  lib/filename.h
  lib/filenamecat-lgpl.c
  lib/filenamecat.c
  lib/filenamecat.h
  lib/flexmember.h
  lib/float+.h
  lib/float.c
  lib/float.in.h
  lib/fnmatch.c
  lib/fnmatch.in.h
  lib/fnmatch_loop.c
  lib/freopen-safer.c
  lib/freopen.c
  lib/fstat.c
  lib/getdtablesize.c
  lib/getopt-cdefs.in.h
  lib/getopt-core.h
  lib/getopt-ext.h
  lib/getopt-pfx-core.h
  lib/getopt-pfx-ext.h
  lib/getopt.c
  lib/getopt.in.h
  lib/getopt1.c
  lib/getopt_int.h
  lib/getprogname.c
  lib/getprogname.h
  lib/gettext.h
  lib/gettime.c
  lib/gettimeofday.c
  lib/hard-locale.c
  lib/hard-locale.h
  lib/hash.c
  lib/hash.h
  lib/iconv.c
  lib/iconv.in.h
  lib/iconv_close.c
  lib/iconv_open-aix.gperf
  lib/iconv_open-hpux.gperf
  lib/iconv_open-irix.gperf
  lib/iconv_open-osf.gperf
  lib/iconv_open-solaris.gperf
  lib/iconv_open.c
  lib/ignore-value.h
  lib/imaxtostr.c
  lib/intprops.h
  lib/inttostr.c
  lib/inttostr.h
  lib/inttypes.in.h
  lib/isblank.c
  lib/iswblank.c
  lib/itold.c
  lib/langinfo.in.h
  lib/limits.in.h
  lib/localcharset.c
  lib/localcharset.h
  lib/locale.in.h
  lib/localeconv.c
  lib/localtime-buffer.c
  lib/localtime-buffer.h
  lib/lstat.c
  lib/malloc.c
  lib/malloca.c
  lib/malloca.h
  lib/malloca.valgrind
  lib/mbchar.c
  lib/mbchar.h
  lib/mbiter.c
  lib/mbiter.h
  lib/mbrtowc.c
  lib/mbscasecmp.c
  lib/mbsinit.c
  lib/mbslen.c
  lib/mbsrtowcs-impl.h
  lib/mbsrtowcs-state.c
  lib/mbsrtowcs.c
  lib/mbsstr.c
  lib/mbtowc-impl.h
  lib/mbtowc.c
  lib/mbuiter.c
  lib/mbuiter.h
  lib/memchr.c
  lib/memchr.valgrind
  lib/minmax.h
  lib/mkstemp.c
  lib/mktime-internal.h
  lib/mktime.c
  lib/msvc-inval.c
  lib/msvc-inval.h
  lib/msvc-nothrow.c
  lib/msvc-nothrow.h
  lib/nl_langinfo.c
  lib/offtostr.c
  lib/open.c
  lib/pathmax.h
  lib/printf-args.c
  lib/printf-args.h
  lib/printf-parse.c
  lib/printf-parse.h
  lib/progname.c
  lib/progname.h
  lib/propername.c
  lib/propername.h
  lib/quote.h
  lib/quotearg.c
  lib/quotearg.h
  lib/raise.c
  lib/rawmemchr.c
  lib/rawmemchr.valgrind
  lib/readlink.c
  lib/ref-add.sin
  lib/ref-del.sin
  lib/regcomp.c
  lib/regex.c
  lib/regex.h
  lib/regex_internal.c
  lib/regex_internal.h
  lib/regexec.c
  lib/secure_getenv.c
  lib/setenv.c
  lib/sh-quote.c
  lib/sh-quote.h
  lib/sig-handler.c
  lib/sig-handler.h
  lib/sigaction.c
  lib/signal.in.h
  lib/sigprocmask.c
  lib/size_max.h
  lib/stat-macros.h
  lib/stat-time.c
  lib/stat-time.h
  lib/stat-w32.c
  lib/stat-w32.h
  lib/stat.c
  lib/stdarg.in.h
  lib/stdbool.in.h
  lib/stddef.in.h
  lib/stdint.in.h
  lib/stdio--.h
  lib/stdio-safer.h
  lib/stdio.in.h
  lib/stdlib.in.h
  lib/str-kmp.h
  lib/strcasecmp.c
  lib/streq.h
  lib/strerror-override.c
  lib/strerror-override.h
  lib/strerror.c
  lib/strftime.c
  lib/strftime.h
  lib/striconv.c
  lib/striconv.h
  lib/string.in.h
  lib/strings.in.h
  lib/stripslash.c
  lib/strncasecmp.c
  lib/strndup.c
  lib/strnlen.c
  lib/strnlen1.c
  lib/strnlen1.h
  lib/strptime.c
  lib/strtoimax.c
  lib/strtol.c
  lib/strtoul.c
  lib/strtoull.c
  lib/strtoumax.c
  lib/sys_stat.in.h
  lib/sys_time.in.h
  lib/sys_types.in.h
  lib/sys_wait.in.h
  lib/system-quote.c
  lib/system-quote.h
  lib/tempname.c
  lib/tempname.h
  lib/time-internal.h
  lib/time.in.h
  lib/time_r.c
  lib/time_rz.c
  lib/timegm.c
  lib/timespec.c
  lib/timespec.h
  lib/trim.c
  lib/trim.h
  lib/tzset.c
  lib/uinttostr.c
  lib/umaxtostr.c
  lib/unistd.c
  lib/unistd.in.h
  lib/unistr.in.h
  lib/unistr/u8-mbtoucr.c
  lib/unistr/u8-uctomb-aux.c
  lib/unistr/u8-uctomb.c
  lib/unitypes.in.h
  lib/uniwidth.in.h
  lib/uniwidth/cjk.h
  lib/uniwidth/width.c
  lib/unlocked-io.h
  lib/unsetenv.c
  lib/unused-parameter.h
  lib/vasnprintf.c
  lib/vasnprintf.h
  lib/vasprintf.c
  lib/verify.h
  lib/version-etc-fsf.c
  lib/version-etc.c
  lib/version-etc.h
  lib/warn-on-use.h
  lib/wchar.in.h
  lib/wcrtomb.c
  lib/wctype-h.c
  lib/wctype.in.h
  lib/wcwidth.c
  lib/xalloc-die.c
  lib/xalloc-oversized.h
  lib/xalloc.h
  lib/xasprintf.c
  lib/xfreopen.c
  lib/xfreopen.h
  lib/xmalloc.c
  lib/xreadlink.c
  lib/xreadlink.h
  lib/xsize.c
  lib/xsize.h
  lib/xstriconv.c
  lib/xstriconv.h
  lib/xstrndup.c
  lib/xstrndup.h
  lib/xstrtol-error.c
  lib/xstrtol.c
  lib/xstrtol.h
  lib/xstrtoul.c
  lib/xstrtoumax.c
  lib/xvasprintf.c
  lib/xvasprintf.h
  m4/00gnulib.m4
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  m4/iconv_h.m4
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  m4/include_next.m4
  m4/inet_pton.m4
  m4/inline.m4
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  m4/libunistring-base.m4
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  m4/localcharset.m4
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  m4/locale-tr.m4
  m4/locale-zh.m4
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  m4/malloca.m4
  m4/manywarnings.m4
  m4/math_h.m4
  m4/mbchar.m4
  m4/mbiter.m4
  m4/mbrtowc.m4
  m4/mbsinit.m4
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  m4/mbstate_t.m4
  m4/mbtowc.m4
  m4/memchr.m4
  m4/minmax.m4
  m4/mkstemp.m4
  m4/mktime.m4
  m4/mmap-anon.m4
  m4/mode_t.m4
  m4/msvc-inval.m4
  m4/msvc-nothrow.m4
  m4/multiarch.m4
  m4/nanosleep.m4
  m4/netinet_in_h.m4
  m4/nl_langinfo.m4
  m4/nocrash.m4
  m4/off_t.m4
  m4/open.m4
  m4/pathmax.m4
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  m4/printf.m4
  m4/putenv.m4
  m4/quote.m4
  m4/quotearg.m4
  m4/raise.m4
  m4/rawmemchr.m4
  m4/readlink.m4
  m4/regex.m4
  m4/secure_getenv.m4
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  m4/signalblocking.m4
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  m4/snprintf.m4
  m4/socketlib.m4
  m4/sockets.m4
  m4/socklen.m4
  m4/sockpfaf.m4
  m4/ssize_t.m4
  m4/stat-time.m4
  m4/stat.m4
  m4/stdalign.m4
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  m4/stdio_h.m4
  m4/stdlib_h.m4
  m4/strcase.m4
  m4/strerror.m4
  m4/strerror_r.m4
  m4/strftime.m4
  m4/string_h.m4
  m4/strings_h.m4
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  m4/strtoumax.m4
  m4/symlink.m4
  m4/sys_ioctl_h.m4
  m4/sys_select_h.m4
  m4/sys_socket_h.m4
  m4/sys_stat_h.m4
  m4/sys_time_h.m4
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  m4/sys_uio_h.m4
  m4/sys_wait_h.m4
  m4/tempname.m4
  m4/time_h.m4
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  m4/tm_gmtoff.m4
  m4/tzset.m4
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  m4/unlocked-io.m4
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  m4/vasprintf.m4
  m4/version-etc.m4
  m4/warn-on-use.m4
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  m4/xalloc.m4
  m4/xsize.m4
  m4/xstrndup.m4
  m4/xstrtol.m4
  m4/xvasprintf.m4
  tests/init.sh
  tests/macros.h
  tests/nap.h
  tests/signature.h
  tests/test-accept.c
  tests/test-alloca-opt.c
  tests/test-areadlink.c
  tests/test-areadlink.h
  tests/test-argmatch.c
  tests/test-arpa_inet.c
  tests/test-binary-io.c
  tests/test-binary-io.sh
  tests/test-bind.c
  tests/test-bitrotate.c
  tests/test-btowc.c
  tests/test-btowc1.sh
  tests/test-btowc2.sh
  tests/test-c-ctype.c
  tests/test-c-stack.c
  tests/test-c-stack.sh
  tests/test-c-stack2.sh
  tests/test-c-strcase.sh
  tests/test-c-strcasecmp.c
  tests/test-c-strncasecmp.c
  tests/test-close.c
  tests/test-connect.c
  tests/test-ctype.c
  tests/test-dirname.c
  tests/test-dup2.c
  tests/test-environ.c
  tests/test-errno.c
  tests/test-exclude.c
  tests/test-exclude1.sh
  tests/test-exclude2.sh
  tests/test-exclude3.sh
  tests/test-exclude4.sh
  tests/test-exclude5.sh
  tests/test-exclude6.sh
  tests/test-exclude7.sh
  tests/test-exclude8.sh
  tests/test-fcntl-h.c
  tests/test-fcntl.c
  tests/test-fdopen.c
  tests/test-fgetc.c
  tests/test-filenamecat.c
  tests/test-float.c
  tests/test-fnmatch.c
  tests/test-fputc.c
  tests/test-fread.c
  tests/test-freopen-safer.c
  tests/test-freopen.c
  tests/test-fstat.c
  tests/test-ftruncate.c
  tests/test-ftruncate.sh
  tests/test-fwrite.c
  tests/test-getcwd-lgpl.c
  tests/test-getdtablesize.c
  tests/test-getopt-gnu.c
  tests/test-getopt-main.h
  tests/test-getopt-posix.c
  tests/test-getopt.h
  tests/test-getopt_long.h
  tests/test-getprogname.c
  tests/test-gettimeofday.c
  tests/test-hash.c
  tests/test-iconv-h.c
  tests/test-iconv.c
  tests/test-ignore-value.c
  tests/test-inet_pton.c
  tests/test-init.sh
  tests/test-intprops.c
  tests/test-inttostr.c
  tests/test-inttypes.c
  tests/test-ioctl.c
  tests/test-isblank.c
  tests/test-iswblank.c
  tests/test-langinfo.c
  tests/test-limits-h.c
  tests/test-listen.c
  tests/test-locale.c
  tests/test-localeconv.c
  tests/test-lstat.c
  tests/test-lstat.h
  tests/test-malloca.c
  tests/test-mbrtowc-w32-1.sh
  tests/test-mbrtowc-w32-2.sh
  tests/test-mbrtowc-w32-3.sh
  tests/test-mbrtowc-w32-4.sh
  tests/test-mbrtowc-w32-5.sh
  tests/test-mbrtowc-w32.c
  tests/test-mbrtowc.c
  tests/test-mbrtowc1.sh
  tests/test-mbrtowc2.sh
  tests/test-mbrtowc3.sh
  tests/test-mbrtowc4.sh
  tests/test-mbrtowc5.sh
  tests/test-mbscasecmp.c
  tests/test-mbscasecmp.sh
  tests/test-mbsinit.c
  tests/test-mbsinit.sh
  tests/test-mbsrtowcs.c
  tests/test-mbsrtowcs1.sh
  tests/test-mbsrtowcs2.sh
  tests/test-mbsrtowcs3.sh
  tests/test-mbsrtowcs4.sh
  tests/test-mbsstr1.c
  tests/test-mbsstr2.c
  tests/test-mbsstr2.sh
  tests/test-mbsstr3.c
  tests/test-mbsstr3.sh
  tests/test-memchr.c
  tests/test-nanosleep.c
  tests/test-netinet_in.c
  tests/test-nl_langinfo.c
  tests/test-nl_langinfo.sh
  tests/test-open.c
  tests/test-open.h
  tests/test-pathmax.c
  tests/test-perror.c
  tests/test-perror.sh
  tests/test-perror2.c
  tests/test-pipe.c
  tests/test-quotearg-simple.c
  tests/test-quotearg.h
  tests/test-raise.c
  tests/test-rawmemchr.c
  tests/test-readlink.c
  tests/test-readlink.h
  tests/test-regex.c
  tests/test-select-fd.c
  tests/test-select-in.sh
  tests/test-select-out.sh
  tests/test-select-stdin.c
  tests/test-select.c
  tests/test-select.h
  tests/test-setenv.c
  tests/test-setlocale1.c
  tests/test-setlocale1.sh
  tests/test-setlocale2.c
  tests/test-setlocale2.sh
  tests/test-setsockopt.c
  tests/test-sh-quote.c
  tests/test-sigaction.c
  tests/test-signal-h.c
  tests/test-sigprocmask.c
  tests/test-sleep.c
  tests/test-snprintf.c
  tests/test-sockets.c
  tests/test-stat-time.c
  tests/test-stat.c
  tests/test-stat.h
  tests/test-stdalign.c
  tests/test-stdbool.c
  tests/test-stddef.c
  tests/test-stdint.c
  tests/test-stdio.c
  tests/test-stdlib.c
  tests/test-strerror.c
  tests/test-strerror_r.c
  tests/test-strftime.c
  tests/test-striconv.c
  tests/test-string.c
  tests/test-strings.c
  tests/test-strnlen.c
  tests/test-strtoull.c
  tests/test-strtoumax.c
  tests/test-symlink.c
  tests/test-symlink.h
  tests/test-sys_ioctl.c
  tests/test-sys_select.c
  tests/test-sys_socket.c
  tests/test-sys_stat.c
  tests/test-sys_time.c
  tests/test-sys_types.c
  tests/test-sys_uio.c
  tests/test-sys_wait.c
  tests/test-sys_wait.h
  tests/test-time.c
  tests/test-timespec.c
  tests/test-unistd.c
  tests/test-unsetenv.c
  tests/test-update-copyright.sh
  tests/test-vasnprintf.c
  tests/test-vasprintf.c
  tests/test-vc-list-files-cvs.sh
  tests/test-vc-list-files-git.sh
  tests/test-verify-try.c
  tests/test-verify.c
  tests/test-verify.sh
  tests/test-version-etc.c
  tests/test-version-etc.sh
  tests/test-wchar.c
  tests/test-wcrtomb-w32-1.sh
  tests/test-wcrtomb-w32-2.sh
  tests/test-wcrtomb-w32-3.sh
  tests/test-wcrtomb-w32-4.sh
  tests/test-wcrtomb-w32-5.sh
  tests/test-wcrtomb-w32.c
  tests/test-wcrtomb.c
  tests/test-wcrtomb.sh
  tests/test-wctype-h.c
  tests/test-wcwidth.c
  tests/test-xalloc-die.c
  tests/test-xalloc-die.sh
  tests/test-xstrtol.c
  tests/test-xstrtol.sh
  tests/test-xstrtoul.c
  tests/test-xstrtoumax.c
  tests/test-xstrtoumax.sh
  tests/test-xvasprintf.c
  tests/unistr/test-u8-mbtoucr.c
  tests/unistr/test-u8-uctomb.c
  tests/uniwidth/test-uc_width.c
  tests/uniwidth/test-uc_width2.c
  tests/uniwidth/test-uc_width2.sh
  tests/zerosize-ptr.h
  tests=lib/_Noreturn.h
  tests=lib/accept.c
  tests=lib/arg-nonnull.h
  tests=lib/arpa_inet.in.h
  tests=lib/bind.c
  tests=lib/c++defs.h
  tests=lib/connect.c
  tests=lib/dtotimespec.c
  tests=lib/fdopen.c
  tests=lib/fpucw.h
  tests=lib/ftruncate.c
  tests=lib/getcwd-lgpl.c
  tests=lib/getpagesize.c
  tests=lib/hash-pjw.c
  tests=lib/hash-pjw.h
  tests=lib/inet_pton.c
  tests=lib/ioctl.c
  tests=lib/listen.c
  tests=lib/nanosleep.c
  tests=lib/netinet_in.in.h
  tests=lib/perror.c
  tests=lib/pipe.c
  tests=lib/putenv.c
  tests=lib/same-inode.h
  tests=lib/select.c
  tests=lib/setlocale.c
  tests=lib/setsockopt.c
  tests=lib/sleep.c
  tests=lib/snprintf.c
  tests=lib/socket.c
  tests=lib/sockets.c
  tests=lib/sockets.h
  tests=lib/stdalign.in.h
  tests=lib/strerror_r.c
  tests=lib/symlink.c
  tests=lib/sys_ioctl.in.h
  tests=lib/sys_select.in.h
  tests=lib/sys_socket.c
  tests=lib/sys_socket.in.h
  tests=lib/sys_uio.in.h
  tests=lib/timespec-add.c
  tests=lib/timespec-sub.c
  tests=lib/unused-parameter.h
  tests=lib/w32sock.h
  tests=lib/warn-on-use.h
  tests=lib/wctob.c
  tests=lib/wctomb-impl.h
  tests=lib/wctomb.c
  top/GNUmakefile
  top/README-release
  top/maint.mk
])
m4trace:m4/hard-locale.m4:8: -1- AC_DEFUN([gl_HARD_LOCALE], [
  :
])
m4trace:m4/iconv.m4:9: -1- AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], [
  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])

  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
  dnl accordingly.
  AC_LIB_LINKFLAGS_BODY([iconv])
])
m4trace:m4/iconv.m4:20: -1- AC_DEFUN([AM_ICONV_LINK], [
  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
  dnl those with the standalone portable GNU libiconv installed).
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
  dnl accordingly.
  AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])

  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
  dnl because if the user has installed libiconv and not disabled its use
  dnl via --without-libiconv-prefix, he wants to use it. The first
  dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
  am_save_CPPFLAGS="$CPPFLAGS"
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])

  AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
    am_cv_func_iconv="no, consider installing GNU libiconv"
    am_cv_lib_iconv=no
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
         [[
#include <stdlib.h>
#include <iconv.h>
         ]],
         [[iconv_t cd = iconv_open("","");
           iconv(cd,NULL,NULL,NULL,NULL);
           iconv_close(cd);]])],
      [am_cv_func_iconv=yes])
    if test "$am_cv_func_iconv" != yes; then
      am_save_LIBS="$LIBS"
      LIBS="$LIBS $LIBICONV"
      AC_LINK_IFELSE(
        [AC_LANG_PROGRAM(
           [[
#include <stdlib.h>
#include <iconv.h>
           ]],
           [[iconv_t cd = iconv_open("","");
             iconv(cd,NULL,NULL,NULL,NULL);
             iconv_close(cd);]])],
        [am_cv_lib_iconv=yes]
        [am_cv_func_iconv=yes])
      LIBS="$am_save_LIBS"
    fi
  ])
  if test "$am_cv_func_iconv" = yes; then
    AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
      dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
      dnl Solaris 10.
      am_save_LIBS="$LIBS"
      if test $am_cv_lib_iconv = yes; then
        LIBS="$LIBS $LIBICONV"
      fi
      am_cv_func_iconv_works=no
      for ac_iconv_const in '' 'const'; do
        AC_RUN_IFELSE(
          [AC_LANG_PROGRAM(
             [[
#include <iconv.h>
#include <string.h>

#ifndef ICONV_CONST
# define ICONV_CONST $ac_iconv_const
#endif
             ]],
             [[int result = 0;
  /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
     returns.  */
  {
    iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
    if (cd_utf8_to_88591 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
        char buf[10];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_utf8_to_88591,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if (res == 0)
          result |= 1;
        iconv_close (cd_utf8_to_88591);
      }
  }
  /* Test against Solaris 10 bug: Failures are not distinguishable from
     successful returns.  */
  {
    iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
    if (cd_ascii_to_88591 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\263";
        char buf[10];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_ascii_to_88591,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if (res == 0)
          result |= 2;
        iconv_close (cd_ascii_to_88591);
      }
  }
  /* Test against AIX 6.1..7.1 bug: Buffer overrun.  */
  {
    iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
    if (cd_88591_to_utf8 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\304";
        static char buf[2] = { (char)0xDE, (char)0xAD };
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = 1;
        char *outptr = buf;
        size_t outbytesleft = 1;
        size_t res = iconv (cd_88591_to_utf8,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
          result |= 4;
        iconv_close (cd_88591_to_utf8);
      }
  }
#if 0 /* This bug could be worked around by the caller.  */
  /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
  {
    iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
    if (cd_88591_to_utf8 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
        char buf[50];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_88591_to_utf8,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if ((int)res > 0)
          result |= 8;
        iconv_close (cd_88591_to_utf8);
      }
  }
#endif
  /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
     provided.  */
  if (/* Try standardized names.  */
      iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
      /* Try IRIX, OSF/1 names.  */
      && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
      /* Try AIX names.  */
      && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
      /* Try HP-UX names.  */
      && iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
    result |= 16;
  return result;
]])],
          [am_cv_func_iconv_works=yes], ,
          [case "$host_os" in
             aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
             *)            am_cv_func_iconv_works="guessing yes" ;;
           esac])
        test "$am_cv_func_iconv_works" = no || break
      done
      LIBS="$am_save_LIBS"
    ])
    case "$am_cv_func_iconv_works" in
      *no) am_func_iconv=no am_cv_lib_iconv=no ;;
      *)   am_func_iconv=yes ;;
    esac
  else
    am_func_iconv=no am_cv_lib_iconv=no
  fi
  if test "$am_func_iconv" = yes; then
    AC_DEFINE([HAVE_ICONV], [1],
      [Define if you have the iconv() function and it works.])
  fi
  if test "$am_cv_lib_iconv" = yes; then
    AC_MSG_CHECKING([how to link with libiconv])
    AC_MSG_RESULT([$LIBICONV])
  else
    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
    dnl either.
    CPPFLAGS="$am_save_CPPFLAGS"
    LIBICONV=
    LTLIBICONV=
  fi
  AC_SUBST([LIBICONV])
  AC_SUBST([LTLIBICONV])
])
m4trace:m4/iconv.m4:233: -1- AC_DEFUN_ONCE([AM_ICONV], [
  AM_ICONV_LINK
  if test "$am_cv_func_iconv" = yes; then
    AC_MSG_CHECKING([for iconv declaration])
    AC_CACHE_VAL([am_cv_proto_iconv], [
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [[
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
           ]],
           [[]])],
        [am_cv_proto_iconv_arg1=""],
        [am_cv_proto_iconv_arg1="const"])
      am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
    am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
    AC_MSG_RESULT([
         $am_cv_proto_iconv])
  else
    dnl When compiling GNU libiconv on a system that does not have iconv yet,
    dnl pick the POSIX compliant declaration without 'const'.
    am_cv_proto_iconv_arg1=""
  fi
  AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
    [Define as const if the declaration of iconv() needs const.])
  dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
  m4_ifdef([gl_ICONV_H_DEFAULTS],
    [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
     if test -n "$am_cv_proto_iconv_arg1"; then
       ICONV_CONST="const"
     fi
    ])
])
m4trace:m4/iconv_h.m4:7: -1- AC_DEFUN([gl_ICONV_H], [
  AC_REQUIRE([gl_ICONV_H_DEFAULTS])

  dnl Execute this unconditionally, because ICONV_H may be set by other
  dnl modules, after this code is executed.
  gl_CHECK_NEXT_HEADERS([iconv.h])
])
m4trace:m4/iconv_h.m4:17: -1- AC_DEFUN([gl_REPLACE_ICONV_H], [
  AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  ICONV_H='iconv.h'
  AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
])
m4trace:m4/iconv_h.m4:24: -1- AC_DEFUN([gl_ICONV_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
m4trace:m4/iconv_h.m4:31: -1- AC_DEFUN([gl_ICONV_H_DEFAULTS], [
  GNULIB_ICONV=0;       AC_SUBST([GNULIB_ICONV])
  dnl Assume proper GNU behavior unless another module says otherwise.
  ICONV_CONST=;         AC_SUBST([ICONV_CONST])
  REPLACE_ICONV=0;      AC_SUBST([REPLACE_ICONV])
  REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
  REPLACE_ICONV_UTF=0;  AC_SUBST([REPLACE_ICONV_UTF])
  ICONV_H='';           AC_SUBST([ICONV_H])
  AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"])
])
m4trace:m4/iconv_open.m4:7: -1- AC_DEFUN([gl_FUNC_ICONV_OPEN], [
  AC_REQUIRE([AM_ICONV])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_ICONV_H_DEFAULTS])
  if test "$am_cv_func_iconv" = yes; then
    dnl Provide the <iconv.h> override, for the sake of the C++ aliases.
    gl_REPLACE_ICONV_H
    dnl Test whether iconv_open accepts standardized encoding names.
    dnl We know that GNU libiconv and GNU libc do.
    AC_EGREP_CPP([gnu_iconv], [
      #include <iconv.h>
      #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__)
       gnu_iconv
      #endif
      ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no])
    if test $gl_func_iconv_gnu = no; then
      iconv_flavor=
      case "$host_os" in
        aix*)     iconv_flavor=ICONV_FLAVOR_AIX ;;
        irix*)    iconv_flavor=ICONV_FLAVOR_IRIX ;;
        hpux*)    iconv_flavor=ICONV_FLAVOR_HPUX ;;
        osf*)     iconv_flavor=ICONV_FLAVOR_OSF ;;
        solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;;
      esac
      if test -n "$iconv_flavor"; then
        AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor],
          [Define to a symbolic name denoting the flavor of iconv_open()
           implementation.])
        gl_REPLACE_ICONV_OPEN
      fi
    fi
    m4_ifdef([gl_FUNC_ICONV_OPEN_UTF_SUPPORT], [
      gl_FUNC_ICONV_OPEN_UTF_SUPPORT
      if test $gl_cv_func_iconv_supports_utf = no; then
        REPLACE_ICONV_UTF=1
        AC_DEFINE([REPLACE_ICONV_UTF], [1],
          [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
        REPLACE_ICONV=1
        gl_REPLACE_ICONV_OPEN
      fi
    ])
  fi
])
m4trace:m4/iconv_open.m4:52: -1- AC_DEFUN([gl_REPLACE_ICONV_OPEN], [
  gl_REPLACE_ICONV_H
  REPLACE_ICONV_OPEN=1
])
m4trace:m4/include_next.m4:36: -1- AC_DEFUN([gl_INCLUDE_NEXT], [
  AC_LANG_PREPROC_REQUIRE()
  AC_CACHE_CHECK([whether the preprocessor supports include_next],
    [gl_cv_have_include_next],
    [rm -rf conftestd1a conftestd1b conftestd2
     mkdir conftestd1a conftestd1b conftestd2
     dnl IBM C 9.0, 10.1 (original versions, prior to the 2009-01 updates) on
     dnl AIX 6.1 support include_next when used as first preprocessor directive
     dnl in a file, but not when preceded by another include directive. Check
     dnl for this bug by including <stdio.h>.
     dnl Additionally, with this same compiler, include_next is a no-op when
     dnl used in a header file that was included by specifying its absolute
     dnl file name. Despite these two bugs, include_next is used in the
     dnl compiler's <math.h>. By virtue of the second bug, we need to use
     dnl include_next as well in this case.
     cat <<EOF > conftestd1a/conftest.h
#define DEFINED_IN_CONFTESTD1
#include_next <conftest.h>
#ifdef DEFINED_IN_CONFTESTD2
int foo;
#else
#error "include_next doesn't work"
#endif
EOF
     cat <<EOF > conftestd1b/conftest.h
#define DEFINED_IN_CONFTESTD1
#include <stdio.h>
#include_next <conftest.h>
#ifdef DEFINED_IN_CONFTESTD2
int foo;
#else
#error "include_next doesn't work"
#endif
EOF
     cat <<EOF > conftestd2/conftest.h
#ifndef DEFINED_IN_CONFTESTD1
#error "include_next test doesn't work"
#endif
#define DEFINED_IN_CONFTESTD2
EOF
     gl_save_CPPFLAGS="$CPPFLAGS"
     CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2"
dnl We intentionally avoid using AC_LANG_SOURCE here.
     AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]],
       [gl_cv_have_include_next=yes],
       [CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2"
        AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]],
          [gl_cv_have_include_next=buggy],
          [gl_cv_have_include_next=no])
       ])
     CPPFLAGS="$gl_save_CPPFLAGS"
     rm -rf conftestd1a conftestd1b conftestd2
    ])
  PRAGMA_SYSTEM_HEADER=
  if test $gl_cv_have_include_next = yes; then
    INCLUDE_NEXT=include_next
    INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
    if test -n "$GCC"; then
      PRAGMA_SYSTEM_HEADER='#pragma GCC system_header'
    fi
  else
    if test $gl_cv_have_include_next = buggy; then
      INCLUDE_NEXT=include
      INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next
    else
      INCLUDE_NEXT=include
      INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include
    fi
  fi
  AC_SUBST([INCLUDE_NEXT])
  AC_SUBST([INCLUDE_NEXT_AS_FIRST_DIRECTIVE])
  AC_SUBST([PRAGMA_SYSTEM_HEADER])
  AC_CACHE_CHECK([whether system header files limit the line length],
    [gl_cv_pragma_columns],
    [dnl HP NonStop systems, which define __TANDEM, have this misfeature.
     AC_EGREP_CPP([choke me],
       [
#ifdef __TANDEM
choke me
#endif
       ],
       [gl_cv_pragma_columns=yes],
       [gl_cv_pragma_columns=no])
    ])
  if test $gl_cv_pragma_columns = yes; then
    PRAGMA_COLUMNS="#pragma COLUMNS 10000"
  else
    PRAGMA_COLUMNS=
  fi
  AC_SUBST([PRAGMA_COLUMNS])
])
m4trace:m4/include_next.m4:154: -1- AC_DEFUN([gl_CHECK_NEXT_HEADERS], [
  gl_NEXT_HEADERS_INTERNAL([$1], [check])
])
m4trace:m4/include_next.m4:164: -1- AC_DEFUN([gl_NEXT_HEADERS], [
  gl_NEXT_HEADERS_INTERNAL([$1], [assume])
])
m4trace:m4/include_next.m4:170: -1- AC_DEFUN([gl_NEXT_HEADERS_INTERNAL], [
  AC_REQUIRE([gl_INCLUDE_NEXT])
  AC_REQUIRE([AC_CANONICAL_HOST])

  m4_if([$2], [check],
    [AC_CHECK_HEADERS_ONCE([$1])
    ])

dnl FIXME: gl_next_header and gl_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
  m4_foreach_w([gl_HEADER_NAME], [$1],
    [AS_VAR_PUSHDEF([gl_next_header],
                    [gl_cv_next_]m4_defn([gl_HEADER_NAME]))
     if test $gl_cv_have_include_next = yes; then
       AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
     else
       AC_CACHE_CHECK(
         [absolute name of <]m4_defn([gl_HEADER_NAME])[>],
         m4_defn([gl_next_header]),
         [m4_if([$2], [check],
            [AS_VAR_PUSHDEF([gl_header_exists],
                            [ac_cv_header_]m4_defn([gl_HEADER_NAME]))
             if test AS_VAR_GET(gl_header_exists) = yes; then
             AS_VAR_POPDEF([gl_header_exists])
            ])
           gl_ABSOLUTE_HEADER_ONE(gl_HEADER_NAME)
           AS_VAR_COPY([gl_header], [gl_cv_absolute_]AS_TR_SH(gl_HEADER_NAME))
           AS_VAR_SET(gl_next_header, ['"'$gl_header'"'])
          m4_if([$2], [check],
            [else
               AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
             fi
            ])
         ])
     fi
     AC_SUBST(
       AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
       [AS_VAR_GET(gl_next_header)])
     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
       gl_next_as_first_directive='<'gl_HEADER_NAME'>'
     else
       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
       gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
     fi
     AC_SUBST(
       AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),
       [$gl_next_as_first_directive])
     AS_VAR_POPDEF([gl_next_header])])
])
m4trace:m4/inet_pton.m4:7: -1- AC_DEFUN([gl_FUNC_INET_PTON], [
  AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])

  dnl Persuade Solaris <arpa/inet.h> to declare inet_pton.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([AC_C_RESTRICT])

  dnl Most platforms that provide inet_pton define it in libc.
  dnl Solaris 8..10 provide inet_pton in libnsl instead.
  dnl Solaris 2.6..7 provide inet_pton in libresolv instead.
  dnl Native Windows provides it in -lws2_32 instead, with a declaration in
  dnl <ws2tcpip.h>, and it uses stdcall calling convention, not cdecl
  dnl (hence we cannot use AC_CHECK_FUNCS, AC_SEARCH_LIBS to find it).
  HAVE_INET_PTON=1
  INET_PTON_LIB=
  gl_PREREQ_SYS_H_WINSOCK2
  if test $HAVE_WINSOCK2_H = 1; then
    AC_CHECK_DECLS([inet_pton],,, [[#include <ws2tcpip.h>]])
    if test $ac_cv_have_decl_inet_pton = yes; then
      dnl It needs to be overridden, because the stdcall calling convention
      dnl is not compliant with POSIX.
      REPLACE_INET_PTON=1
      INET_PTON_LIB="-lws2_32"
    else
      HAVE_DECL_INET_PTON=0
      HAVE_INET_PTON=0
    fi
  else
    gl_save_LIBS=$LIBS
    AC_SEARCH_LIBS([inet_pton], [nsl resolv], [],
      [AC_CHECK_FUNCS([inet_pton])
       if test $ac_cv_func_inet_pton = no; then
         HAVE_INET_PTON=0
       fi
      ])
    LIBS=$gl_save_LIBS

    if test "$ac_cv_search_inet_pton" != "no" \
       && test "$ac_cv_search_inet_pton" != "none required"; then
      INET_PTON_LIB="$ac_cv_search_inet_pton"
    fi

    AC_CHECK_HEADERS_ONCE([netdb.h])
    AC_CHECK_DECLS([inet_pton],,,
      [[#include <arpa/inet.h>
        #if HAVE_NETDB_H
        # include <netdb.h>
        #endif
      ]])
    if test $ac_cv_have_decl_inet_pton = no; then
      HAVE_DECL_INET_PTON=0
    fi
  fi
  AC_SUBST([INET_PTON_LIB])
])
m4trace:m4/inet_pton.m4:66: -1- AC_DEFUN([gl_PREREQ_INET_PTON], [
  AC_REQUIRE([gl_SOCKET_FAMILIES])
])
m4trace:m4/inline.m4:12: -1- AC_DEFUN([gl_INLINE], [
  AC_REQUIRE([AC_C_INLINE])
  AC_CACHE_CHECK([whether the compiler generally respects inline],
    [gl_cv_c_inline_effective],
    [if test $ac_cv_c_inline = no; then
       gl_cv_c_inline_effective=no
     else
       dnl GCC defines __NO_INLINE__ if not optimizing or if -fno-inline is
       dnl specified.
       dnl Use AC_COMPILE_IFELSE here, not AC_EGREP_CPP, because the result
       dnl depends on optimization flags, which can be in CFLAGS.
       dnl (AC_EGREP_CPP looks only at the CPPFLAGS.)
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[]],
           [[#ifdef __NO_INLINE__
               #error "inline is not effective"
             #endif]])],
         [gl_cv_c_inline_effective=yes],
         [gl_cv_c_inline_effective=no])
     fi
    ])
  if test $gl_cv_c_inline_effective = yes; then
    AC_DEFINE([HAVE_INLINE], [1],
      [Define to 1 if the compiler supports one of the keywords
       'inline', '__inline__', '__inline' and effectively inlines
       functions marked as such.])
  fi
])
m4trace:m4/intlmacosx.m4:18: -1- AC_DEFUN([gt_INTL_MACOSX], [
  dnl Check for API introduced in Mac OS X 10.2.
  AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
    [gt_cv_func_CFPreferencesCopyAppValue],
    [gt_save_LIBS="$LIBS"
     LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
     AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <CoreFoundation/CFPreferences.h>]],
          [[CFPreferencesCopyAppValue(NULL, NULL)]])],
       [gt_cv_func_CFPreferencesCopyAppValue=yes],
       [gt_cv_func_CFPreferencesCopyAppValue=no])
     LIBS="$gt_save_LIBS"])
  if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
    AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], [1],
      [Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
  fi
  dnl Check for API introduced in Mac OS X 10.3.
  AC_CACHE_CHECK([for CFLocaleCopyCurrent], [gt_cv_func_CFLocaleCopyCurrent],
    [gt_save_LIBS="$LIBS"
     LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
     AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <CoreFoundation/CFLocale.h>]],
          [[CFLocaleCopyCurrent();]])],
       [gt_cv_func_CFLocaleCopyCurrent=yes],
       [gt_cv_func_CFLocaleCopyCurrent=no])
     LIBS="$gt_save_LIBS"])
  if test $gt_cv_func_CFLocaleCopyCurrent = yes; then
    AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], [1],
      [Define to 1 if you have the Mac OS X function CFLocaleCopyCurrent in the CoreFoundation framework.])
  fi
  INTL_MACOSX_LIBS=
  if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then
    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
  fi
  AC_SUBST([INTL_MACOSX_LIBS])
])
m4trace:m4/intmax_t.m4:15: -1- AC_DEFUN([gl_AC_TYPE_INTMAX_T], [
  dnl For simplicity, we assume that a header file defines 'intmax_t' if and
  dnl only if it defines 'uintmax_t'.
  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
    AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
    test $ac_cv_type_long_long_int = yes \
      && ac_type='long long' \
      || ac_type='long'
    AC_DEFINE_UNQUOTED([intmax_t], [$ac_type],
     [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
  else
    AC_DEFINE([HAVE_INTMAX_T], [1],
      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
  fi
])
m4trace:m4/intmax_t.m4:36: -1- AC_DEFUN([gt_AC_TYPE_INTMAX_T], [
  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[
#include <stddef.h>
#include <stdlib.h>
#if HAVE_STDINT_H_WITH_UINTMAX
#include <stdint.h>
#endif
#if HAVE_INTTYPES_H_WITH_UINTMAX
#include <inttypes.h>
#endif
          ]],
          [[intmax_t x = -1; return !x;]])],
       [gt_cv_c_intmax_t=yes],
       [gt_cv_c_intmax_t=no])])
  if test $gt_cv_c_intmax_t = yes; then
    AC_DEFINE([HAVE_INTMAX_T], [1],
      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
  else
    AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
    test $ac_cv_type_long_long_int = yes \
      && ac_type='long long' \
      || ac_type='long'
    AC_DEFINE_UNQUOTED([intmax_t], [$ac_type],
     [Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
  fi
])
m4trace:m4/inttostr.m4:7: -1- AC_DEFUN([gl_INTTOSTR], [
  gl_PREREQ_INTTOSTR
  gl_PREREQ_IMAXTOSTR
  gl_PREREQ_OFFTOSTR
  gl_PREREQ_UMAXTOSTR
  gl_PREREQ_UINTTOSTR
])
m4trace:m4/inttostr.m4:17: -1- AC_DEFUN([gl_PREREQ_INTTOSTR], [
  AC_REQUIRE([AC_TYPE_OFF_T])
  :
])
m4trace:m4/inttostr.m4:23: -1- AC_DEFUN([gl_PREREQ_IMAXTOSTR], [:])
m4trace:m4/inttostr.m4:26: -1- AC_DEFUN([gl_PREREQ_OFFTOSTR], [:])
m4trace:m4/inttostr.m4:29: -1- AC_DEFUN([gl_PREREQ_UMAXTOSTR], [:])
m4trace:m4/inttostr.m4:32: -1- AC_DEFUN([gl_PREREQ_UINTTOSTR], [:])
m4trace:m4/inttypes-pri.m4:14: -1- AC_DEFUN([gt_INTTYPES_PRI], [
  AC_CHECK_HEADERS([inttypes.h])
  if test $ac_cv_header_inttypes_h = yes; then
    AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
      [gt_cv_inttypes_pri_broken],
      [
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM(
             [[
#include <inttypes.h>
#ifdef PRId32
char *p = PRId32;
#endif
             ]],
             [[]])],
          [gt_cv_inttypes_pri_broken=no],
          [gt_cv_inttypes_pri_broken=yes])
      ])
  fi
  if test "$gt_cv_inttypes_pri_broken" = yes; then
    AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1],
      [Define if <inttypes.h> exists and defines unusable PRI* macros.])
    PRI_MACROS_BROKEN=1
  else
    PRI_MACROS_BROKEN=0
  fi
  AC_SUBST([PRI_MACROS_BROKEN])
])
m4trace:m4/inttypes.m4:10: -1- AC_DEFUN([gl_INTTYPES_H], [
  AC_REQUIRE([gl_INTTYPES_INCOMPLETE])
  gl_INTTYPES_PRI_SCN
])
m4trace:m4/inttypes.m4:16: -1- AC_DEFUN_ONCE([gl_INTTYPES_INCOMPLETE], [
  AC_REQUIRE([gl_STDINT_H])
  AC_CHECK_HEADERS_ONCE([inttypes.h])

  dnl Override <inttypes.h> always, so that the portability warnings work.
  AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])
  gl_CHECK_NEXT_HEADERS([inttypes.h])

  AC_REQUIRE([gl_MULTIARCH])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <inttypes.h>
    ]], [imaxabs imaxdiv strtoimax strtoumax])
])
m4trace:m4/inttypes.m4:34: -1- AC_DEFUN([gl_INTTYPES_PRI_SCN], [
  AC_REQUIRE([gt_INTTYPES_PRI])

  PRIPTR_PREFIX=
  if test -n "$STDINT_H"; then
    dnl Using the gnulib <stdint.h>. It always defines intptr_t to 'long'.
    PRIPTR_PREFIX='"l"'
  else
    dnl Using the system's <stdint.h>.
    for glpfx in '' l ll I64; do
      case $glpfx in
        '')  gltype1='int';;
        l)   gltype1='long int';;
        ll)  gltype1='long long int';;
        I64) gltype1='__int64';;
      esac
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([[#include <stdint.h>
           extern intptr_t foo;
           extern $gltype1 foo;]])],
        [PRIPTR_PREFIX='"'$glpfx'"'])
      test -n "$PRIPTR_PREFIX" && break
    done
  fi
  AC_SUBST([PRIPTR_PREFIX])

  gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
    [INT32_MAX_LT_INTMAX_MAX],
    [defined INT32_MAX && defined INTMAX_MAX],
    [INT32_MAX < INTMAX_MAX],
    [sizeof (int) < sizeof (long long int)])
  if test $APPLE_UNIVERSAL_BUILD = 0; then
    gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
      [INT64_MAX_EQ_LONG_MAX],
      [defined INT64_MAX],
      [INT64_MAX == LONG_MAX],
      [sizeof (long long int) == sizeof (long int)])
  else
    INT64_MAX_EQ_LONG_MAX=-1
  fi
  gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
    [UINT32_MAX_LT_UINTMAX_MAX],
    [defined UINT32_MAX && defined UINTMAX_MAX],
    [UINT32_MAX < UINTMAX_MAX],
    [sizeof (unsigned int) < sizeof (unsigned long long int)])
  if test $APPLE_UNIVERSAL_BUILD = 0; then
    gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
      [UINT64_MAX_EQ_ULONG_MAX],
      [defined UINT64_MAX],
      [UINT64_MAX == ULONG_MAX],
      [sizeof (unsigned long long int) == sizeof (unsigned long int)])
  else
    UINT64_MAX_EQ_ULONG_MAX=-1
  fi
])
m4trace:m4/inttypes.m4:97: -1- AC_DEFUN([gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION], [
  AC_CACHE_CHECK([whether $3],
    [gl_cv_test_$1],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[/* Work also in C++ mode.  */
            #define __STDC_LIMIT_MACROS 1

            /* Work if build is not clean.  */
            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H

            #include <limits.h>
            #if HAVE_STDINT_H
             #include <stdint.h>
            #endif

            #if $2
             #define CONDITION ($3)
            #elif HAVE_LONG_LONG_INT
             #define CONDITION ($4)
            #else
             #define CONDITION 0
            #endif
            int test[CONDITION ? 1 : -1];]])],
       [gl_cv_test_$1=yes],
       [gl_cv_test_$1=no])])
  if test $gl_cv_test_$1 = yes; then
    $1=1;
  else
    $1=0;
  fi
  AC_SUBST([$1])
])
m4trace:m4/inttypes.m4:132: -1- AC_DEFUN([gl_INTTYPES_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
m4trace:m4/inttypes.m4:139: -1- AC_DEFUN([gl_INTTYPES_H_DEFAULTS], [
  GNULIB_IMAXABS=0;      AC_SUBST([GNULIB_IMAXABS])
  GNULIB_IMAXDIV=0;      AC_SUBST([GNULIB_IMAXDIV])
  GNULIB_STRTOIMAX=0;    AC_SUBST([GNULIB_STRTOIMAX])
  GNULIB_STRTOUMAX=0;    AC_SUBST([GNULIB_STRTOUMAX])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_DECL_IMAXABS=1;   AC_SUBST([HAVE_DECL_IMAXABS])
  HAVE_DECL_IMAXDIV=1;   AC_SUBST([HAVE_DECL_IMAXDIV])
  HAVE_DECL_STRTOIMAX=1; AC_SUBST([HAVE_DECL_STRTOIMAX])
  HAVE_DECL_STRTOUMAX=1; AC_SUBST([HAVE_DECL_STRTOUMAX])
  REPLACE_STRTOIMAX=0;   AC_SUBST([REPLACE_STRTOIMAX])
  REPLACE_STRTOUMAX=0;   AC_SUBST([REPLACE_STRTOUMAX])
  INT32_MAX_LT_INTMAX_MAX=1;  AC_SUBST([INT32_MAX_LT_INTMAX_MAX])
  INT64_MAX_EQ_LONG_MAX='defined _LP64';  AC_SUBST([INT64_MAX_EQ_LONG_MAX])
  PRI_MACROS_BROKEN=0;   AC_SUBST([PRI_MACROS_BROKEN])
  PRIPTR_PREFIX=__PRIPTR_PREFIX;  AC_SUBST([PRIPTR_PREFIX])
  UINT32_MAX_LT_UINTMAX_MAX=1;  AC_SUBST([UINT32_MAX_LT_UINTMAX_MAX])
  UINT64_MAX_EQ_ULONG_MAX='defined _LP64';  AC_SUBST([UINT64_MAX_EQ_ULONG_MAX])
])
m4trace:m4/inttypes_h.m4:12: -1- AC_DEFUN([gl_AC_HEADER_INTTYPES_H], [
  AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[
#include <sys/types.h>
#include <inttypes.h>
          ]],
          [[uintmax_t i = (uintmax_t) -1; return !i;]])],
       [gl_cv_header_inttypes_h=yes],
       [gl_cv_header_inttypes_h=no])])
  if test $gl_cv_header_inttypes_h = yes; then
    AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
      [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
       and declares uintmax_t. ])
  fi
])
m4trace:m4/ioctl.m4:7: -1- AC_DEFUN([gl_FUNC_IOCTL], [
  AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  HAVE_IOCTL=1
  if test "$ac_cv_header_winsock2_h" = yes; then
    dnl Even if the 'socket' module is not used here, another part of the
    dnl application may use it and pass file descriptors that refer to
    dnl sockets to the ioctl() function. So enable the support for sockets.
    HAVE_IOCTL=0
  else
    AC_CHECK_FUNCS([ioctl])
    dnl On glibc systems, the second parameter is 'unsigned long int request',
    dnl not 'int request'. We cannot simply cast the function pointer, but
    dnl instead need a wrapper.
    AC_CACHE_CHECK([for ioctl with POSIX signature],
      [gl_cv_func_ioctl_posix_signature],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <sys/ioctl.h>]],
            [[extern
              #ifdef __cplusplus
              "C"
              #endif
              int ioctl (int, int, ...);
            ]])
         ],
         [gl_cv_func_ioctl_posix_signature=yes],
         [gl_cv_func_ioctl_posix_signature=no])
      ])
    if test $gl_cv_func_ioctl_posix_signature != yes; then
      REPLACE_IOCTL=1
    fi
  fi
])
m4trace:m4/isblank.m4:7: -1- AC_DEFUN([gl_FUNC_ISBLANK], [
  dnl Persuade glibc <ctype.h> to declare isblank().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([gl_CTYPE_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([isblank])
  if test $ac_cv_func_isblank = no; then
    HAVE_ISBLANK=0
  fi
])
m4trace:m4/iswblank.m4:7: -1- AC_DEFUN([gl_FUNC_ISWBLANK], [
  AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
  AC_REQUIRE([gl_WCTYPE_H])
  dnl Persuade glibc <wctype.h> to declare iswblank().
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_FUNCS_ONCE([iswblank])
  AC_CHECK_DECLS([iswblank], , , [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
   before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
#include <wctype.h>
]])
  if test $ac_cv_func_iswblank = no; then
    HAVE_ISWBLANK=0
    if test $ac_cv_have_decl_iswblank = yes; then
      REPLACE_ISWBLANK=1
    fi
  fi
  if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then
    dnl Redefine all of iswcntrl, ..., towupper in <wctype.h>.
    :
  else
    if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then
      dnl Redefine only iswblank.
      :
    fi
  fi

])
m4trace:m4/langinfo_h.m4:7: -1- AC_DEFUN([gl_LANGINFO_H], [
  AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])

  dnl Persuade glibc-2.0.6 <langinfo.h> to define CODESET.
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  dnl <langinfo.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([langinfo.h])

  dnl Determine whether <langinfo.h> exists. It is missing on mingw and BeOS.
  HAVE_LANGINFO_CODESET=0
  HAVE_LANGINFO_T_FMT_AMPM=0
  HAVE_LANGINFO_ERA=0
  HAVE_LANGINFO_YESEXPR=0
  AC_CHECK_HEADERS_ONCE([langinfo.h])
  if test $ac_cv_header_langinfo_h = yes; then
    HAVE_LANGINFO_H=1
    dnl Determine what <langinfo.h> defines. CODESET and ERA etc. are missing
    dnl on OpenBSD 3.8. T_FMT_AMPM and YESEXPR, NOEXPR are missing on IRIX 5.3.
    AC_CACHE_CHECK([whether langinfo.h defines CODESET],
      [gl_cv_header_langinfo_codeset],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[#include <langinfo.h>
int a = CODESET;
]])],
         [gl_cv_header_langinfo_codeset=yes],
         [gl_cv_header_langinfo_codeset=no])
      ])
    if test $gl_cv_header_langinfo_codeset = yes; then
      HAVE_LANGINFO_CODESET=1
    fi
    AC_CACHE_CHECK([whether langinfo.h defines T_FMT_AMPM],
      [gl_cv_header_langinfo_t_fmt_ampm],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[#include <langinfo.h>
int a = T_FMT_AMPM;
]])],
         [gl_cv_header_langinfo_t_fmt_ampm=yes],
         [gl_cv_header_langinfo_t_fmt_ampm=no])
      ])
    if test $gl_cv_header_langinfo_t_fmt_ampm = yes; then
      HAVE_LANGINFO_T_FMT_AMPM=1
    fi
    AC_CACHE_CHECK([whether langinfo.h defines ERA],
      [gl_cv_header_langinfo_era],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[#include <langinfo.h>
int a = ERA;
]])],
         [gl_cv_header_langinfo_era=yes],
         [gl_cv_header_langinfo_era=no])
      ])
    if test $gl_cv_header_langinfo_era = yes; then
      HAVE_LANGINFO_ERA=1
    fi
    AC_CACHE_CHECK([whether langinfo.h defines YESEXPR],
      [gl_cv_header_langinfo_yesexpr],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[#include <langinfo.h>
int a = YESEXPR;
]])],
         [gl_cv_header_langinfo_yesexpr=yes],
         [gl_cv_header_langinfo_yesexpr=no])
      ])
    if test $gl_cv_header_langinfo_yesexpr = yes; then
      HAVE_LANGINFO_YESEXPR=1
    fi
  else
    HAVE_LANGINFO_H=0
  fi
  AC_SUBST([HAVE_LANGINFO_H])
  AC_SUBST([HAVE_LANGINFO_CODESET])
  AC_SUBST([HAVE_LANGINFO_T_FMT_AMPM])
  AC_SUBST([HAVE_LANGINFO_ERA])
  AC_SUBST([HAVE_LANGINFO_YESEXPR])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <langinfo.h>
    ]], [nl_langinfo])
])
m4trace:m4/langinfo_h.m4:90: -1- AC_DEFUN([gl_LANGINFO_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/langinfo_h.m4:99: -1- AC_DEFUN([gl_LANGINFO_H_DEFAULTS], [
  GNULIB_NL_LANGINFO=0;  AC_SUBST([GNULIB_NL_LANGINFO])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_NL_LANGINFO=1;    AC_SUBST([HAVE_NL_LANGINFO])
  REPLACE_NL_LANGINFO=0; AC_SUBST([REPLACE_NL_LANGINFO])
])
m4trace:m4/largefile.m4:11: -1- AC_DEFUN([AC_SYS_LARGEFILE], [AC_ARG_ENABLE(largefile,
               [  --disable-largefile     omit support for large files])
if test "$enable_largefile" != no; then

  AC_CACHE_CHECK([for special C compiler options needed for large files],
    ac_cv_sys_largefile_CC,
    [ac_cv_sys_largefile_CC=no
     if test "$GCC" != yes; then
       ac_save_CC=$CC
       while :; do
         # IRIX 6.2 and later do not support large files by default,
         # so use the C compiler's -n32 option if that helps.
         AC_LANG_CONFTEST([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_INCLUDES])])
         AC_COMPILE_IFELSE([], [break])
         CC="$CC -n32"
         AC_COMPILE_IFELSE([], [ac_cv_sys_largefile_CC=' -n32'; break])
         break
       done
       CC=$ac_save_CC
       rm -f conftest.$ac_ext
    fi])
  if test "$ac_cv_sys_largefile_CC" != no; then
    CC=$CC$ac_cv_sys_largefile_CC
  fi

  _AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
    ac_cv_sys_file_offset_bits,
    [Number of bits in a file offset, on hosts where this is settable.],
    [_AC_SYS_LARGEFILE_TEST_INCLUDES])
  if test $ac_cv_sys_file_offset_bits = unknown; then
    _AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
      ac_cv_sys_large_files,
      [Define for large files, on AIX-style hosts.],
      [_AC_SYS_LARGEFILE_TEST_INCLUDES])
  fi

  AC_DEFINE([_DARWIN_USE_64_BIT_INODE], [1],
    [Enable large inode numbers on Mac OS X 10.5.])
fi
])
m4trace:m4/largefile.m4:107: -1- AC_DEFUN([gl_LARGEFILE], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  case "$host_os" in
    mingw*)
      dnl Native Windows.
      dnl mingw64 defines off_t to a 64-bit type already, if
      dnl _FILE_OFFSET_BITS=64, which is ensured by AC_SYS_LARGEFILE.
      AC_CACHE_CHECK([for 64-bit off_t], [gl_cv_type_off_t_64],
        [AC_COMPILE_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <sys/types.h>
                int verify_off_t_size[sizeof (off_t) >= 8 ? 1 : -1];
              ]],
              [[]])],
           [gl_cv_type_off_t_64=yes], [gl_cv_type_off_t_64=no])
        ])
      if test $gl_cv_type_off_t_64 = no; then
        WINDOWS_64_BIT_OFF_T=1
      else
        WINDOWS_64_BIT_OFF_T=0
      fi
      dnl Some mingw versions define, if _FILE_OFFSET_BITS=64, 'struct stat'
      dnl to 'struct _stat32i64' or 'struct _stat64' (depending on
      dnl _USE_32BIT_TIME_T), which has a 32-bit st_size member.
      AC_CACHE_CHECK([for 64-bit st_size], [gl_cv_member_st_size_64],
        [AC_COMPILE_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <sys/types.h>
                struct stat buf;
                int verify_st_size_size[sizeof (buf.st_size) >= 8 ? 1 : -1];
              ]],
              [[]])],
           [gl_cv_member_st_size_64=yes], [gl_cv_member_st_size_64=no])
        ])
      if test $gl_cv_member_st_size_64 = no; then
        WINDOWS_64_BIT_ST_SIZE=1
      else
        WINDOWS_64_BIT_ST_SIZE=0
      fi
      ;;
    *)
      dnl Nothing to do on gnulib's side.
      dnl A 64-bit off_t is
      dnl   - already the default on Mac OS X, FreeBSD, NetBSD, OpenBSD, IRIX,
      dnl     OSF/1, Cygwin,
      dnl   - enabled by _FILE_OFFSET_BITS=64 (ensured by AC_SYS_LARGEFILE) on
      dnl     glibc, HP-UX, Solaris,
      dnl   - enabled by _LARGE_FILES=1 (ensured by AC_SYS_LARGEFILE) on AIX,
      dnl   - impossible to achieve on Minix 3.1.8.
      WINDOWS_64_BIT_OFF_T=0
      WINDOWS_64_BIT_ST_SIZE=0
      ;;
  esac
])
m4trace:m4/lib-ld.m4:12: -1- AC_DEFUN([AC_LIB_PROG_LD_GNU], [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
[# I'd rather use --version here, but apparently some GNU lds only accept -v.
case `$LD -v 2>&1 </dev/null` in
*GNU* | *'with BFD'*)
  acl_cv_prog_gnu_ld=yes
  ;;
*)
  acl_cv_prog_gnu_ld=no
  ;;
esac])
with_gnu_ld=$acl_cv_prog_gnu_ld
])
m4trace:m4/lib-ld.m4:27: -1- AC_DEFUN([AC_LIB_PROG_LD], [AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl

AC_ARG_WITH([gnu-ld],
    [AS_HELP_STRING([--with-gnu-ld],
        [assume the C compiler uses GNU ld [default=no]])],
    [test "$withval" = no || with_gnu_ld=yes],
    [with_gnu_ld=no])dnl

# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
  # contains only /bin. Note that ksh looks also at the FPATH variable,
  # so we have to set that as well for the test.
  PATH_SEPARATOR=:
  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
           || PATH_SEPARATOR=';'
       }
fi

if test -n "$LD"; then
  AC_MSG_CHECKING([for ld])
elif test "$GCC" = yes; then
  AC_MSG_CHECKING([for ld used by $CC])
elif test "$with_gnu_ld" = yes; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
if test -n "$LD"; then
  # Let the user override the test with a path.
  :
else
  AC_CACHE_VAL([acl_cv_path_LD],
  [
    acl_cv_path_LD= # Final result of this test
    ac_prog=ld # Program to search in $PATH
    if test "$GCC" = yes; then
      # Check if gcc -print-prog-name=ld gives a path.
      case $host in
        *-*-mingw*)
          # gcc leaves a trailing carriage return which upsets mingw
          acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
        *)
          acl_output=`($CC -print-prog-name=ld) 2>&5` ;;
      esac
      case $acl_output in
        # Accept absolute paths.
        [[\\/]]* | ?:[[\\/]]*)
          re_direlt='/[[^/]][[^/]]*/\.\./'
          # Canonicalize the pathname of ld
          acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'`
          while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do
            acl_output=`echo $acl_output | sed "s%$re_direlt%/%"`
          done
          # Got the pathname. No search in PATH is needed.
          acl_cv_path_LD="$acl_output"
          ac_prog=
          ;;
        "")
          # If it fails, then pretend we aren't using GCC.
          ;;
        *)
          # If it is relative, then search for the first ld in PATH.
          with_gnu_ld=unknown
          ;;
      esac
    fi
    if test -n "$ac_prog"; then
      # Search for $ac_prog in $PATH.
      acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
      for ac_dir in $PATH; do
        IFS="$acl_save_ifs"
        test -z "$ac_dir" && ac_dir=.
        if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
          acl_cv_path_LD="$ac_dir/$ac_prog"
          # Check to see if the program is GNU ld.  I'd rather use --version,
          # but apparently some variants of GNU ld only accept -v.
          # Break only if it was the GNU/non-GNU ld that we prefer.
          case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
            *GNU* | *'with BFD'*)
              test "$with_gnu_ld" != no && break
              ;;
            *)
              test "$with_gnu_ld" != yes && break
              ;;
          esac
        fi
      done
      IFS="$acl_save_ifs"
    fi
    case $host in
      *-*-aix*)
        AC_EGREP_CPP([yes],
          [#if defined __powerpc64__ || defined _ARCH_PPC64
           yes
           #endif
          ],
          [# The compiler produces 64-bit code. Add option '-b64' so that the
           # linker groks 64-bit object files.
           case "$acl_cv_path_LD " in
             *" -b64 "*) ;;
             *) acl_cv_path_LD="$acl_cv_path_LD -b64" ;;
           esac
          ], [])
        ;;
    esac
  ])
  LD="$acl_cv_path_LD"
fi
if test -n "$LD"; then
  AC_MSG_RESULT([$LD])
else
  AC_MSG_RESULT([no])
  AC_MSG_ERROR([no acceptable ld found in \$PATH])
fi
AC_LIB_PROG_LD_GNU
])
m4trace:m4/lib-link.m4:17: -1- AC_DEFUN([AC_LIB_LINKFLAGS], [
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])
  pushdef([Name],[m4_translit([$1],[./+-], [____])])
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
    AC_LIB_LINKFLAGS_BODY([$1], [$2])
    ac_cv_lib[]Name[]_libs="$LIB[]NAME"
    ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
    ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
    ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
  ])
  LIB[]NAME="$ac_cv_lib[]Name[]_libs"
  LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
  INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
  LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
  AC_SUBST([LIB]NAME)
  AC_SUBST([LTLIB]NAME)
  AC_SUBST([LIB]NAME[_PREFIX])
  dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
  dnl results of this search when this library appears as a dependency.
  HAVE_LIB[]NAME=yes
  popdef([NAME])
  popdef([Name])
])
m4trace:m4/lib-link.m4:57: -1- AC_DEFUN([AC_LIB_HAVE_LINKFLAGS], [
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])
  pushdef([Name],[m4_translit([$1],[./+-], [____])])
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])

  dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
  dnl accordingly.
  AC_LIB_LINKFLAGS_BODY([$1], [$2])

  dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
  dnl because if the user has installed lib[]Name and not disabled its use
  dnl via --without-lib[]Name-prefix, he wants to use it.
  ac_save_CPPFLAGS="$CPPFLAGS"
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)

  AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
    ac_save_LIBS="$LIBS"
    dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS,
    dnl because these -l options might require -L options that are present in
    dnl LIBS. -l options benefit only from the -L options listed before it.
    dnl Otherwise, add it to the front of LIBS, because it may be a static
    dnl library that depends on another static library that is present in LIBS.
    dnl Static libraries benefit only from the static libraries listed after
    dnl it.
    case " $LIB[]NAME" in
      *" -l"*) LIBS="$LIBS $LIB[]NAME" ;;
      *)       LIBS="$LIB[]NAME $LIBS" ;;
    esac
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM([[$3]], [[$4]])],
      [ac_cv_lib[]Name=yes],
      [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
    LIBS="$ac_save_LIBS"
  ])
  if test "$ac_cv_lib[]Name" = yes; then
    HAVE_LIB[]NAME=yes
    AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.])
    AC_MSG_CHECKING([how to link with lib[]$1])
    AC_MSG_RESULT([$LIB[]NAME])
  else
    HAVE_LIB[]NAME=no
    dnl If $LIB[]NAME didn't lead to a usable library, we don't need
    dnl $INC[]NAME either.
    CPPFLAGS="$ac_save_CPPFLAGS"
    LIB[]NAME=
    LTLIB[]NAME=
    LIB[]NAME[]_PREFIX=
  fi
  AC_SUBST([HAVE_LIB]NAME)
  AC_SUBST([LIB]NAME)
  AC_SUBST([LTLIB]NAME)
  AC_SUBST([LIB]NAME[_PREFIX])
  popdef([NAME])
  popdef([Name])
])
m4trace:m4/lib-link.m4:125: -1- AC_DEFUN([AC_LIB_RPATH], [
  dnl Tell automake >= 1.10 to complain if config.rpath is missing.
  m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])])
  AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
  AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD, $with_gnu_ld
  AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
  AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
  AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [
    CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
    . ./conftest.sh
    rm -f ./conftest.sh
    acl_cv_rpath=done
  ])
  wl="$acl_cv_wl"
  acl_libext="$acl_cv_libext"
  acl_shlibext="$acl_cv_shlibext"
  acl_libname_spec="$acl_cv_libname_spec"
  acl_library_names_spec="$acl_cv_library_names_spec"
  acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
  acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
  acl_hardcode_direct="$acl_cv_hardcode_direct"
  acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
  dnl Determine whether the user wants rpath handling at all.
  AC_ARG_ENABLE([rpath],
    [  --disable-rpath         do not hardcode runtime library paths],
    :, enable_rpath=yes)
])
m4trace:m4/lib-link.m4:161: -1- AC_DEFUN([AC_LIB_FROMPACKAGE], [
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  define([acl_frompackage_]NAME, [$2])
  popdef([NAME])
  pushdef([PACK],[$2])
  pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
                                     [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  define([acl_libsinpackage_]PACKUP,
    m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1])
  popdef([PACKUP])
  popdef([PACK])
])
m4trace:m4/lib-link.m4:181: -1- AC_DEFUN([AC_LIB_LINKFLAGS_BODY], [
  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
  pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
                                     [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])])
  dnl Autoconf >= 2.61 supports dots in --with options.
  pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)])
  dnl By default, look in $includedir and $libdir.
  use_additional=yes
  AC_LIB_WITH_FINAL_PREFIX([
    eval additional_includedir=\"$includedir\"
    eval additional_libdir=\"$libdir\"
  ])
  AC_ARG_WITH(P_A_C_K[-prefix],
[[  --with-]]P_A_C_K[[-prefix[=DIR]  search for ]PACKLIBS[ in DIR/include and DIR/lib
  --without-]]P_A_C_K[[-prefix     don't search for ]PACKLIBS[ in includedir and libdir]],
[
    if test "X$withval" = "Xno"; then
      use_additional=no
    else
      if test "X$withval" = "X"; then
        AC_LIB_WITH_FINAL_PREFIX([
          eval additional_includedir=\"$includedir\"
          eval additional_libdir=\"$libdir\"
        ])
      else
        additional_includedir="$withval/include"
        additional_libdir="$withval/$acl_libdirstem"
        if test "$acl_libdirstem2" != "$acl_libdirstem" \
           && ! test -d "$withval/$acl_libdirstem"; then
          additional_libdir="$withval/$acl_libdirstem2"
        fi
      fi
    fi
])
  dnl Search the library and its dependencies in $additional_libdir and
  dnl $LDFLAGS. Using breadth-first-seach.
  LIB[]NAME=
  LTLIB[]NAME=
  INC[]NAME=
  LIB[]NAME[]_PREFIX=
  dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been
  dnl computed. So it has to be reset here.
  HAVE_LIB[]NAME=
  rpathdirs=
  ltrpathdirs=
  names_already_handled=
  names_next_round='$1 $2'
  while test -n "$names_next_round"; do
    names_this_round="$names_next_round"
    names_next_round=
    for name in $names_this_round; do
      already_handled=
      for n in $names_already_handled; do
        if test "$n" = "$name"; then
          already_handled=yes
          break
        fi
      done
      if test -z "$already_handled"; then
        names_already_handled="$names_already_handled $name"
        dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
        dnl or AC_LIB_HAVE_LINKFLAGS call.
        uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'`
        eval value=\"\$HAVE_LIB$uppername\"
        if test -n "$value"; then
          if test "$value" = yes; then
            eval value=\"\$LIB$uppername\"
            test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
            eval value=\"\$LTLIB$uppername\"
            test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
          else
            dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
            dnl that this library doesn't exist. So just drop it.
            :
          fi
        else
          dnl Search the library lib$name in $additional_libdir and $LDFLAGS
          dnl and the already constructed $LIBNAME/$LTLIBNAME.
          found_dir=
          found_la=
          found_so=
          found_a=
          eval libname=\"$acl_libname_spec\"    # typically: libname=lib$name
          if test -n "$acl_shlibext"; then
            shrext=".$acl_shlibext"             # typically: shrext=.so
          else
            shrext=
          fi
          if test $use_additional = yes; then
            dir="$additional_libdir"
            dnl The same code as in the loop below:
            dnl First look for a shared library.
            if test -n "$acl_shlibext"; then
              if test -f "$dir/$libname$shrext"; then
                found_dir="$dir"
                found_so="$dir/$libname$shrext"
              else
                if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
                  ver=`(cd "$dir" && \
                        for f in "$libname$shrext".*; do echo "$f"; done \
                        | sed -e "s,^$libname$shrext\\\\.,," \
                        | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
                        | sed 1q ) 2>/dev/null`
                  if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then
                    found_dir="$dir"
                    found_so="$dir/$libname$shrext.$ver"
                  fi
                else
                  eval library_names=\"$acl_library_names_spec\"
                  for f in $library_names; do
                    if test -f "$dir/$f"; then
                      found_dir="$dir"
                      found_so="$dir/$f"
                      break
                    fi
                  done
                fi
              fi
            fi
            dnl Then look for a static library.
            if test "X$found_dir" = "X"; then
              if test -f "$dir/$libname.$acl_libext"; then
                found_dir="$dir"
                found_a="$dir/$libname.$acl_libext"
              fi
            fi
            if test "X$found_dir" != "X"; then
              if test -f "$dir/$libname.la"; then
                found_la="$dir/$libname.la"
              fi
            fi
          fi
          if test "X$found_dir" = "X"; then
            for x in $LDFLAGS $LTLIB[]NAME; do
              AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
              case "$x" in
                -L*)
                  dir=`echo "X$x" | sed -e 's/^X-L//'`
                  dnl First look for a shared library.
                  if test -n "$acl_shlibext"; then
                    if test -f "$dir/$libname$shrext"; then
                      found_dir="$dir"
                      found_so="$dir/$libname$shrext"
                    else
                      if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
                        ver=`(cd "$dir" && \
                              for f in "$libname$shrext".*; do echo "$f"; done \
                              | sed -e "s,^$libname$shrext\\\\.,," \
                              | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
                              | sed 1q ) 2>/dev/null`
                        if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then
                          found_dir="$dir"
                          found_so="$dir/$libname$shrext.$ver"
                        fi
                      else
                        eval library_names=\"$acl_library_names_spec\"
                        for f in $library_names; do
                          if test -f "$dir/$f"; then
                            found_dir="$dir"
                            found_so="$dir/$f"
                            break
                          fi
                        done
                      fi
                    fi
                  fi
                  dnl Then look for a static library.
                  if test "X$found_dir" = "X"; then
                    if test -f "$dir/$libname.$acl_libext"; then
                      found_dir="$dir"
                      found_a="$dir/$libname.$acl_libext"
                    fi
                  fi
                  if test "X$found_dir" != "X"; then
                    if test -f "$dir/$libname.la"; then
                      found_la="$dir/$libname.la"
                    fi
                  fi
                  ;;
              esac
              if test "X$found_dir" != "X"; then
                break
              fi
            done
          fi
          if test "X$found_dir" != "X"; then
            dnl Found the library.
            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
            if test "X$found_so" != "X"; then
              dnl Linking with a shared library. We attempt to hardcode its
              dnl directory into the executable's runpath, unless it's the
              dnl standard /usr/lib.
              if test "$enable_rpath" = no \
                 || test "X$found_dir" = "X/usr/$acl_libdirstem" \
                 || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then
                dnl No hardcoding is needed.
                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
              else
                dnl Use an explicit option to hardcode DIR into the resulting
                dnl binary.
                dnl Potentially add DIR to ltrpathdirs.
                dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
                haveit=
                for x in $ltrpathdirs; do
                  if test "X$x" = "X$found_dir"; then
                    haveit=yes
                    break
                  fi
                done
                if test -z "$haveit"; then
                  ltrpathdirs="$ltrpathdirs $found_dir"
                fi
                dnl The hardcoding into $LIBNAME is system dependent.
                if test "$acl_hardcode_direct" = yes; then
                  dnl Using DIR/libNAME.so during linking hardcodes DIR into the
                  dnl resulting binary.
                  LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
                else
                  if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
                    dnl Use an explicit option to hardcode DIR into the resulting
                    dnl binary.
                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
                    dnl Potentially add DIR to rpathdirs.
                    dnl The rpathdirs will be appended to $LIBNAME at the end.
                    haveit=
                    for x in $rpathdirs; do
                      if test "X$x" = "X$found_dir"; then
                        haveit=yes
                        break
                      fi
                    done
                    if test -z "$haveit"; then
                      rpathdirs="$rpathdirs $found_dir"
                    fi
                  else
                    dnl Rely on "-L$found_dir".
                    dnl But don't add it if it's already contained in the LDFLAGS
                    dnl or the already constructed $LIBNAME
                    haveit=
                    for x in $LDFLAGS $LIB[]NAME; do
                      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                      if test "X$x" = "X-L$found_dir"; then
                        haveit=yes
                        break
                      fi
                    done
                    if test -z "$haveit"; then
                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
                    fi
                    if test "$acl_hardcode_minus_L" != no; then
                      dnl FIXME: Not sure whether we should use
                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
                      dnl here.
                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
                    else
                      dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
                      dnl here, because this doesn't fit in flags passed to the
                      dnl compiler. So give up. No hardcoding. This affects only
                      dnl very old systems.
                      dnl FIXME: Not sure whether we should use
                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
                      dnl here.
                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
                    fi
                  fi
                fi
              fi
            else
              if test "X$found_a" != "X"; then
                dnl Linking with a static library.
                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
              else
                dnl We shouldn't come here, but anyway it's good to have a
                dnl fallback.
                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
              fi
            fi
            dnl Assume the include files are nearby.
            additional_includedir=
            case "$found_dir" in
              */$acl_libdirstem | */$acl_libdirstem/)
                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
                if test "$name" = '$1'; then
                  LIB[]NAME[]_PREFIX="$basedir"
                fi
                additional_includedir="$basedir/include"
                ;;
              */$acl_libdirstem2 | */$acl_libdirstem2/)
                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'`
                if test "$name" = '$1'; then
                  LIB[]NAME[]_PREFIX="$basedir"
                fi
                additional_includedir="$basedir/include"
                ;;
            esac
            if test "X$additional_includedir" != "X"; then
              dnl Potentially add $additional_includedir to $INCNAME.
              dnl But don't add it
              dnl   1. if it's the standard /usr/include,
              dnl   2. if it's /usr/local/include and we are using GCC on Linux,
              dnl   3. if it's already present in $CPPFLAGS or the already
              dnl      constructed $INCNAME,
              dnl   4. if it doesn't exist as a directory.
              if test "X$additional_includedir" != "X/usr/include"; then
                haveit=
                if test "X$additional_includedir" = "X/usr/local/include"; then
                  if test -n "$GCC"; then
                    case $host_os in
                      linux* | gnu* | k*bsd*-gnu) haveit=yes;;
                    esac
                  fi
                fi
                if test -z "$haveit"; then
                  for x in $CPPFLAGS $INC[]NAME; do
                    AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                    if test "X$x" = "X-I$additional_includedir"; then
                      haveit=yes
                      break
                    fi
                  done
                  if test -z "$haveit"; then
                    if test -d "$additional_includedir"; then
                      dnl Really add $additional_includedir to $INCNAME.
                      INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
                    fi
                  fi
                fi
              fi
            fi
            dnl Look for dependencies.
            if test -n "$found_la"; then
              dnl Read the .la file. It defines the variables
              dnl dlname, library_names, old_library, dependency_libs, current,
              dnl age, revision, installed, dlopen, dlpreopen, libdir.
              save_libdir="$libdir"
              case "$found_la" in
                */* | *\\*) . "$found_la" ;;
                *) . "./$found_la" ;;
              esac
              libdir="$save_libdir"
              dnl We use only dependency_libs.
              for dep in $dependency_libs; do
                case "$dep" in
                  -L*)
                    additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
                    dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
                    dnl But don't add it
                    dnl   1. if it's the standard /usr/lib,
                    dnl   2. if it's /usr/local/lib and we are using GCC on Linux,
                    dnl   3. if it's already present in $LDFLAGS or the already
                    dnl      constructed $LIBNAME,
                    dnl   4. if it doesn't exist as a directory.
                    if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \
                       && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then
                      haveit=
                      if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \
                         || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then
                        if test -n "$GCC"; then
                          case $host_os in
                            linux* | gnu* | k*bsd*-gnu) haveit=yes;;
                          esac
                        fi
                      fi
                      if test -z "$haveit"; then
                        haveit=
                        for x in $LDFLAGS $LIB[]NAME; do
                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                          if test "X$x" = "X-L$additional_libdir"; then
                            haveit=yes
                            break
                          fi
                        done
                        if test -z "$haveit"; then
                          if test -d "$additional_libdir"; then
                            dnl Really add $additional_libdir to $LIBNAME.
                            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
                          fi
                        fi
                        haveit=
                        for x in $LDFLAGS $LTLIB[]NAME; do
                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                          if test "X$x" = "X-L$additional_libdir"; then
                            haveit=yes
                            break
                          fi
                        done
                        if test -z "$haveit"; then
                          if test -d "$additional_libdir"; then
                            dnl Really add $additional_libdir to $LTLIBNAME.
                            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
                          fi
                        fi
                      fi
                    fi
                    ;;
                  -R*)
                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
                    if test "$enable_rpath" != no; then
                      dnl Potentially add DIR to rpathdirs.
                      dnl The rpathdirs will be appended to $LIBNAME at the end.
                      haveit=
                      for x in $rpathdirs; do
                        if test "X$x" = "X$dir"; then
                          haveit=yes
                          break
                        fi
                      done
                      if test -z "$haveit"; then
                        rpathdirs="$rpathdirs $dir"
                      fi
                      dnl Potentially add DIR to ltrpathdirs.
                      dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
                      haveit=
                      for x in $ltrpathdirs; do
                        if test "X$x" = "X$dir"; then
                          haveit=yes
                          break
                        fi
                      done
                      if test -z "$haveit"; then
                        ltrpathdirs="$ltrpathdirs $dir"
                      fi
                    fi
                    ;;
                  -l*)
                    dnl Handle this in the next round.
                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
                    ;;
                  *.la)
                    dnl Handle this in the next round. Throw away the .la's
                    dnl directory; it is already contained in a preceding -L
                    dnl option.
                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
                    ;;
                  *)
                    dnl Most likely an immediate library name.
                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
                    LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
                    ;;
                esac
              done
            fi
          else
            dnl Didn't find the library; assume it is in the system directories
            dnl known to the linker and runtime loader. (All the system
            dnl directories known to the linker should also be known to the
            dnl runtime loader, otherwise the system is severely misconfigured.)
            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
          fi
        fi
      fi
    done
  done
  if test "X$rpathdirs" != "X"; then
    if test -n "$acl_hardcode_libdir_separator"; then
      dnl Weird platform: only the last -rpath option counts, the user must
      dnl pass all path elements in one option. We can arrange that for a
      dnl single library, but not when more than one $LIBNAMEs are used.
      alldirs=
      for found_dir in $rpathdirs; do
        alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
      done
      dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
      acl_save_libdir="$libdir"
      libdir="$alldirs"
      eval flag=\"$acl_hardcode_libdir_flag_spec\"
      libdir="$acl_save_libdir"
      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
    else
      dnl The -rpath options are cumulative.
      for found_dir in $rpathdirs; do
        acl_save_libdir="$libdir"
        libdir="$found_dir"
        eval flag=\"$acl_hardcode_libdir_flag_spec\"
        libdir="$acl_save_libdir"
        LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
      done
    fi
  fi
  if test "X$ltrpathdirs" != "X"; then
    dnl When using libtool, the option that works for both libraries and
    dnl executables is -R. The -R options are cumulative.
    for found_dir in $ltrpathdirs; do
      LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
    done
  fi
  popdef([P_A_C_K])
  popdef([PACKLIBS])
  popdef([PACKUP])
  popdef([PACK])
  popdef([NAME])
])
m4trace:m4/lib-link.m4:684: -1- AC_DEFUN([AC_LIB_APPENDTOVAR], [
  for element in [$2]; do
    haveit=
    for x in $[$1]; do
      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
      if test "X$x" = "X$element"; then
        haveit=yes
        break
      fi
    done
    if test -z "$haveit"; then
      [$1]="${[$1]}${[$1]:+ }$element"
    fi
  done
])
m4trace:m4/lib-link.m4:708: -1- AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], [
  AC_REQUIRE([AC_LIB_RPATH])
  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
  $1=
  if test "$enable_rpath" != no; then
    if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
      dnl Use an explicit option to hardcode directories into the resulting
      dnl binary.
      rpathdirs=
      next=
      for opt in $2; do
        if test -n "$next"; then
          dir="$next"
          dnl No need to hardcode the standard /usr/lib.
          if test "X$dir" != "X/usr/$acl_libdirstem" \
             && test "X$dir" != "X/usr/$acl_libdirstem2"; then
            rpathdirs="$rpathdirs $dir"
          fi
          next=
        else
          case $opt in
            -L) next=yes ;;
            -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
                 dnl No need to hardcode the standard /usr/lib.
                 if test "X$dir" != "X/usr/$acl_libdirstem" \
                    && test "X$dir" != "X/usr/$acl_libdirstem2"; then
                   rpathdirs="$rpathdirs $dir"
                 fi
                 next= ;;
            *) next= ;;
          esac
        fi
      done
      if test "X$rpathdirs" != "X"; then
        if test -n ""$3""; then
          dnl libtool is used for linking. Use -R options.
          for dir in $rpathdirs; do
            $1="${$1}${$1:+ }-R$dir"
          done
        else
          dnl The linker is used for linking directly.
          if test -n "$acl_hardcode_libdir_separator"; then
            dnl Weird platform: only the last -rpath option counts, the user
            dnl must pass all path elements in one option.
            alldirs=
            for dir in $rpathdirs; do
              alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
            done
            acl_save_libdir="$libdir"
            libdir="$alldirs"
            eval flag=\"$acl_hardcode_libdir_flag_spec\"
            libdir="$acl_save_libdir"
            $1="$flag"
          else
            dnl The -rpath options are cumulative.
            for dir in $rpathdirs; do
              acl_save_libdir="$libdir"
              libdir="$dir"
              eval flag=\"$acl_hardcode_libdir_flag_spec\"
              libdir="$acl_save_libdir"
              $1="${$1}${$1:+ }$flag"
            done
          fi
        fi
      fi
    fi
  fi
  AC_SUBST([$1])
])
m4trace:m4/lib-prefix.m4:12: -1- AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])
m4trace:m4/lib-prefix.m4:22: -1- AC_DEFUN([AC_LIB_PREFIX], [
  AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  dnl By default, look in $includedir and $libdir.
  use_additional=yes
  AC_LIB_WITH_FINAL_PREFIX([
    eval additional_includedir=\"$includedir\"
    eval additional_libdir=\"$libdir\"
  ])
  AC_LIB_ARG_WITH([lib-prefix],
[  --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
  --without-lib-prefix    don't search for libraries in includedir and libdir],
[
    if test "X$withval" = "Xno"; then
      use_additional=no
    else
      if test "X$withval" = "X"; then
        AC_LIB_WITH_FINAL_PREFIX([
          eval additional_includedir=\"$includedir\"
          eval additional_libdir=\"$libdir\"
        ])
      else
        additional_includedir="$withval/include"
        additional_libdir="$withval/$acl_libdirstem"
      fi
    fi
])
  if test $use_additional = yes; then
    dnl Potentially add $additional_includedir to $CPPFLAGS.
    dnl But don't add it
    dnl   1. if it's the standard /usr/include,
    dnl   2. if it's already present in $CPPFLAGS,
    dnl   3. if it's /usr/local/include and we are using GCC on Linux,
    dnl   4. if it doesn't exist as a directory.
    if test "X$additional_includedir" != "X/usr/include"; then
      haveit=
      for x in $CPPFLAGS; do
        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
        if test "X$x" = "X-I$additional_includedir"; then
          haveit=yes
          break
        fi
      done
      if test -z "$haveit"; then
        if test "X$additional_includedir" = "X/usr/local/include"; then
          if test -n "$GCC"; then
            case $host_os in
              linux* | gnu* | k*bsd*-gnu) haveit=yes;;
            esac
          fi
        fi
        if test -z "$haveit"; then
          if test -d "$additional_includedir"; then
            dnl Really add $additional_includedir to $CPPFLAGS.
            CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
          fi
        fi
      fi
    fi
    dnl Potentially add $additional_libdir to $LDFLAGS.
    dnl But don't add it
    dnl   1. if it's the standard /usr/lib,
    dnl   2. if it's already present in $LDFLAGS,
    dnl   3. if it's /usr/local/lib and we are using GCC on Linux,
    dnl   4. if it doesn't exist as a directory.
    if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
      haveit=
      for x in $LDFLAGS; do
        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
        if test "X$x" = "X-L$additional_libdir"; then
          haveit=yes
          break
        fi
      done
      if test -z "$haveit"; then
        if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
          if test -n "$GCC"; then
            case $host_os in
              linux*) haveit=yes;;
            esac
          fi
        fi
        if test -z "$haveit"; then
          if test -d "$additional_libdir"; then
            dnl Really add $additional_libdir to $LDFLAGS.
            LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
          fi
        fi
      fi
    fi
  fi
])
m4trace:m4/lib-prefix.m4:122: -1- AC_DEFUN([AC_LIB_PREPARE_PREFIX], [
  dnl Unfortunately, prefix and exec_prefix get only finally determined
  dnl at the end of configure.
  if test "X$prefix" = "XNONE"; then
    acl_final_prefix="$ac_default_prefix"
  else
    acl_final_prefix="$prefix"
  fi
  if test "X$exec_prefix" = "XNONE"; then
    acl_final_exec_prefix='${prefix}'
  else
    acl_final_exec_prefix="$exec_prefix"
  fi
  acl_save_prefix="$prefix"
  prefix="$acl_final_prefix"
  eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
  prefix="$acl_save_prefix"
])
m4trace:m4/lib-prefix.m4:145: -1- AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], [
  acl_save_prefix="$prefix"
  prefix="$acl_final_prefix"
  acl_save_exec_prefix="$exec_prefix"
  exec_prefix="$acl_final_exec_prefix"
  $1
  exec_prefix="$acl_save_exec_prefix"
  prefix="$acl_save_prefix"
])
m4trace:m4/lib-prefix.m4:162: -1- AC_DEFUN([AC_LIB_PREPARE_MULTILIB], [
  dnl There is no formal standard regarding lib and lib64.
  dnl On glibc systems, the current practice is that on a system supporting
  dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
  dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine
  dnl the compiler's default mode by looking at the compiler's library search
  dnl path. If at least one of its elements ends in /lib64 or points to a
  dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI.
  dnl Otherwise we use the default, namely "lib".
  dnl On Solaris systems, the current practice is that on a system supporting
  dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
  dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
  dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
  AC_REQUIRE([AC_CANONICAL_HOST])
  dnl Allow the user to override the result by setting acl_cv_libdirstems.
  AC_CACHE_CHECK([for the common suffixes of directories in the library search path],
    [acl_cv_libdirstems],
    [acl_libdirstem=lib
     acl_libdirstem2=
     case "$host_os" in
       solaris*)
         dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
         dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>.
         dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
         dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
         dnl symlink is missing, so we set acl_libdirstem2 too.
         AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit],
           [AC_EGREP_CPP([sixtyfour bits], [
#ifdef _LP64
sixtyfour bits
#endif
              ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no])
           ])
         if test $gl_cv_solaris_64bit = yes; then
           acl_libdirstem=lib/64
           case "$host_cpu" in
             sparc*)        acl_libdirstem2=lib/sparcv9 ;;
             i*86 | x86_64) acl_libdirstem2=lib/amd64 ;;
           esac
         fi
         ;;
       *)
         dnl The result is a property of the system. However, non-system
         dnl compilers sometimes have odd library search paths. Therefore
         dnl prefer asking /usr/bin/gcc, if available, rather than $CC.
         searchpath=`(if test -f /usr/bin/gcc \
                         && LC_ALL=C /usr/bin/gcc -print-search-dirs >/dev/null 2>/dev/null; then \
                        LC_ALL=C /usr/bin/gcc -print-search-dirs; \
                      else \
                        LC_ALL=C $CC -print-search-dirs; \
                      fi) 2>/dev/null \
                     | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
         if test -n "$searchpath"; then
           acl_save_IFS="${IFS= 	}"; IFS=":"
           for searchdir in $searchpath; do
             if test -d "$searchdir"; then
               case "$searchdir" in
                 */lib64/ | */lib64 ) acl_libdirstem=lib64 ;;
                 */../ | */.. )
                   # Better ignore directories of this form. They are misleading.
                   ;;
                 *) searchdir=`cd "$searchdir" && pwd`
                    case "$searchdir" in
                      */lib64 ) acl_libdirstem=lib64 ;;
                    esac ;;
               esac
             fi
           done
           IFS="$acl_save_IFS"
         fi
         ;;
     esac
     test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
     acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2"
    ])
  # Decompose acl_cv_libdirstems into acl_libdirstem and acl_libdirstem2.
  acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'`
  acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e '/,/s/.*,//'`
])
m4trace:m4/libsigsegv.m4:9: -1- AC_DEFUN([gl_LIBSIGSEGV], [
  AC_LIB_HAVE_LINKFLAGS([sigsegv], [],
    [#include <sigsegv.h>], [sigsegv_deinstall_handler();],
    [no, consider installing GNU libsigsegv])
  dnl Some other autoconf macros and clisp's configure use this variable.
  gl_cv_lib_sigsegv="$ac_cv_libsigsegv"
])
m4trace:m4/libunistring-base.m4:22: -1- AC_DEFUN([gl_LIBUNISTRING_MODULE], [
  AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE])
  dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from
  dnl gl_LIBUNISTRING_CORE if that macro has been run.
  AM_CONDITIONAL(AS_TR_CPP([LIBUNISTRING_COMPILE_$2]),
    [gl_LIBUNISTRING_VERSION_CMP([$1])])
])
m4trace:m4/libunistring-base.m4:48: -1- AC_DEFUN([gl_LIBUNISTRING_LIBHEADER], [
  AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE])
  dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from
  dnl gl_LIBUNISTRING_CORE if that macro has been run.
  if gl_LIBUNISTRING_VERSION_CMP([$1]); then
    LIBUNISTRING_[]AS_TR_CPP([$2])='$2'
  else
    LIBUNISTRING_[]AS_TR_CPP([$2])=
  fi
  AC_SUBST([LIBUNISTRING_]AS_TR_CPP([$2]))
])
m4trace:m4/libunistring-base.m4:63: -1- AC_DEFUN([gl_LIBUNISTRING_LIB_PREPARE], [
  dnl Ensure that HAVE_LIBUNISTRING is fully determined at this point.
  m4_ifdef([gl_LIBUNISTRING], [AC_REQUIRE([gl_LIBUNISTRING])])

  AC_REQUIRE([AC_PROG_AWK])

dnl Sed expressions to extract the parts of a version number.
changequote(,)
gl_libunistring_sed_extract_major='/^[0-9]/{s/^\([0-9]*\).*/\1/p;q;}
i\
0
q
'
gl_libunistring_sed_extract_minor='/^[0-9][0-9]*[.][0-9]/{s/^[0-9]*[.]\([0-9]*\).*/\1/p;q;}
i\
0
q
'
gl_libunistring_sed_extract_subminor='/^[0-9][0-9]*[.][0-9][0-9]*[.][0-9]/{s/^[0-9]*[.][0-9]*[.]\([0-9]*\).*/\1/p;q;}
i\
0
q
'
changequote([,])

  if test "$HAVE_LIBUNISTRING" = yes; then
    LIBUNISTRING_VERSION_MAJOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_major"`
    LIBUNISTRING_VERSION_MINOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_minor"`
    LIBUNISTRING_VERSION_SUBMINOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_subminor"`
  fi
])
m4trace:m4/libunistring-base.m4:99: -1- AC_DEFUN([gl_LIBUNISTRING_VERSION_CMP], [ { test "$HAVE_LIBUNISTRING" != yes \
    || {
         dnl AS_LITERAL_IF exists and works fine since autoconf-2.59 at least.
         AS_LITERAL_IF([$1],
           [dnl This is the optimized variant, that assumes the argument is a literal:
            m4_pushdef([requested_version_major],
              [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^\([0-9]*\).*], [\1]), [])])
            m4_pushdef([requested_version_minor],
              [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9]*[.]\([0-9]*\).*], [\1]), [$1])])
            m4_pushdef([requested_version_subminor],
              [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9]*[.][0-9]*[.]\([0-9]*\).*], [\1]), [$1])])
            test $LIBUNISTRING_VERSION_MAJOR -lt requested_version_major \
            || { test $LIBUNISTRING_VERSION_MAJOR -eq requested_version_major \
                 && { test $LIBUNISTRING_VERSION_MINOR -lt requested_version_minor \
                      || { test $LIBUNISTRING_VERSION_MINOR -eq requested_version_minor \
                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt requested_version_subminor
                         }
                    }
               }
            m4_popdef([requested_version_subminor])
            m4_popdef([requested_version_minor])
            m4_popdef([requested_version_major])
           ],
           [dnl This is the unoptimized variant:
            requested_version_major=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_major"`
            requested_version_minor=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_minor"`
            requested_version_subminor=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_subminor"`
            test $LIBUNISTRING_VERSION_MAJOR -lt $requested_version_major \
            || { test $LIBUNISTRING_VERSION_MAJOR -eq $requested_version_major \
                 && { test $LIBUNISTRING_VERSION_MINOR -lt $requested_version_minor \
                      || { test $LIBUNISTRING_VERSION_MINOR -eq $requested_version_minor \
                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt $requested_version_subminor
                         }
                    }
               }
           ])
       }
  }])
m4trace:m4/limits-h.m4:10: -1- AC_DEFUN_ONCE([gl_LIMITS_H], [
  gl_CHECK_NEXT_HEADERS([limits.h])

  AC_CACHE_CHECK([whether limits.h has ULLONG_WIDTH etc.],
    [gl_cv_header_limits_width],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM([[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
                           #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
                          #endif
                          #include <limits.h>
                          int ullw = ULLONG_WIDTH;]])],
       [gl_cv_header_limits_width=yes],
       [gl_cv_header_limits_width=no])])
  if test "$gl_cv_header_limits_width" = yes; then
    LIMITS_H=
  else
    LIMITS_H=limits.h
  fi
  AC_SUBST([LIMITS_H])
  AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])
])
m4trace:m4/localcharset.m4:7: -1- AC_DEFUN([gl_LOCALCHARSET], [
  dnl Prerequisites of lib/localcharset.c.
  AC_REQUIRE([AM_LANGINFO_CODESET])
  AC_REQUIRE([gl_FCNTL_O_FLAGS])
  AC_CHECK_DECLS_ONCE([getc_unlocked])

  dnl Prerequisites of the lib/Makefile.am snippet.
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_GLIBC21])
])
m4trace:m4/locale-fr.m4:10: -1- AC_DEFUN([gt_LOCALE_FR], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([AM_LANGINFO_CODESET])
  AC_CACHE_CHECK([for a traditional french locale], [gt_cv_locale_fr], [
    AC_LANG_CONFTEST([AC_LANG_SOURCE([
changequote(,)dnl
#include <locale.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main () {
  /* Check whether the given locale name is recognized by the system.  */
#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
  /* On native Windows, setlocale(category, "") looks at the system settings,
     not at the environment variables.  Also, when an encoding suffix such
     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
     category of the locale to "C".  */
  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
    return 1;
#else
  if (setlocale (LC_ALL, "") == NULL) return 1;
#endif
  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
     On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
     some unit tests fail.
     On MirBSD 10, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "UTF-8".  */
#if HAVE_LANGINFO_CODESET
  {
    const char *cs = nl_langinfo (CODESET);
    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
        || strcmp (cs, "UTF-8") == 0)
      return 1;
  }
#endif
#ifdef __CYGWIN__
  /* On Cygwin, avoid locale names without encoding suffix, because the
     locale_charset() function relies on the encoding suffix.  Note that
     LC_ALL is set on the command line.  */
  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
#endif
  /* Check whether in the abbreviation of the second month, the second
     character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is only
     one byte long. This excludes the UTF-8 encoding.  */
  t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
  if (strftime (buf, sizeof (buf), "%b", &t) < 3 || buf[2] != 'v') return 1;
#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
  /* Check whether the decimal separator is a comma.
     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
     are nl_langinfo(RADIXCHAR) are both ".".  */
  if (localeconv () ->decimal_point[0] != ',') return 1;
#endif
  return 0;
}
changequote([,])dnl
      ])])
    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
      case "$host_os" in
        # Handle native Windows specially, because there setlocale() interprets
        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
        # "fr" or "fra" as "French" or "French_France.1252",
        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
        # "ja" as "Japanese" or "Japanese_Japan.932",
        # and similar.
        mingw*)
          # Test for the native Windows locale name.
          if (LC_ALL=French_France.1252 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_fr=French_France.1252
          else
            # None found.
            gt_cv_locale_fr=none
          fi
          ;;
        *)
          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
          # configure script would override the LC_ALL setting. Likewise for
          # LC_CTYPE, which is also set at the beginning of the configure script.
          # Test for the usual locale name.
          if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_fr=fr_FR
          else
            # Test for the locale name with explicit encoding suffix.
            if (LC_ALL=fr_FR.ISO-8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
              gt_cv_locale_fr=fr_FR.ISO-8859-1
            else
              # Test for the AIX, OSF/1, FreeBSD, NetBSD, OpenBSD locale name.
              if (LC_ALL=fr_FR.ISO8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                gt_cv_locale_fr=fr_FR.ISO8859-1
              else
                # Test for the HP-UX locale name.
                if (LC_ALL=fr_FR.iso88591 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                  gt_cv_locale_fr=fr_FR.iso88591
                else
                  # Test for the Solaris 7 locale name.
                  if (LC_ALL=fr LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                    gt_cv_locale_fr=fr
                  else
                    # None found.
                    gt_cv_locale_fr=none
                  fi
                fi
              fi
            fi
          fi
          ;;
      esac
    fi
    rm -fr conftest*
  ])
  LOCALE_FR=$gt_cv_locale_fr
  AC_SUBST([LOCALE_FR])
])
m4trace:m4/locale-fr.m4:135: -1- AC_DEFUN([gt_LOCALE_FR_UTF8], [
  AC_REQUIRE([AM_LANGINFO_CODESET])
  AC_CACHE_CHECK([for a french Unicode locale], [gt_cv_locale_fr_utf8], [
    AC_LANG_CONFTEST([AC_LANG_SOURCE([
changequote(,)dnl
#include <locale.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main () {
  /* On BeOS and Haiku, locales are not implemented in libc.  Rather, libintl
     imitates locale dependent behaviour by looking at the environment
     variables, and all locales use the UTF-8 encoding.  */
#if !(defined __BEOS__ || defined __HAIKU__)
  /* Check whether the given locale name is recognized by the system.  */
# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
  /* On native Windows, setlocale(category, "") looks at the system settings,
     not at the environment variables.  Also, when an encoding suffix such
     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
     category of the locale to "C".  */
  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
    return 1;
# else
  if (setlocale (LC_ALL, "") == NULL) return 1;
# endif
  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
     On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
     some unit tests fail.  */
# if HAVE_LANGINFO_CODESET
  {
    const char *cs = nl_langinfo (CODESET);
    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
      return 1;
  }
# endif
# ifdef __CYGWIN__
  /* On Cygwin, avoid locale names without encoding suffix, because the
     locale_charset() function relies on the encoding suffix.  Note that
     LC_ALL is set on the command line.  */
  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
# endif
  /* Check whether in the abbreviation of the second month, the second
     character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is
     two bytes long, with UTF-8 encoding.  */
  t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
  if (strftime (buf, sizeof (buf), "%b", &t) < 4
      || buf[1] != (char) 0xc3 || buf[2] != (char) 0xa9 || buf[3] != 'v')
    return 1;
#endif
#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
  /* Check whether the decimal separator is a comma.
     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
     are nl_langinfo(RADIXCHAR) are both ".".  */
  if (localeconv () ->decimal_point[0] != ',') return 1;
#endif
  return 0;
}
changequote([,])dnl
      ])])
    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
      case "$host_os" in
        # Handle native Windows specially, because there setlocale() interprets
        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
        # "fr" or "fra" as "French" or "French_France.1252",
        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
        # "ja" as "Japanese" or "Japanese_Japan.932",
        # and similar.
        mingw*)
          # Test for the hypothetical native Windows locale name.
          if (LC_ALL=French_France.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_fr_utf8=French_France.65001
          else
            # None found.
            gt_cv_locale_fr_utf8=none
          fi
          ;;
        *)
          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
          # configure script would override the LC_ALL setting. Likewise for
          # LC_CTYPE, which is also set at the beginning of the configure script.
          # Test for the usual locale name.
          if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_fr_utf8=fr_FR
          else
            # Test for the locale name with explicit encoding suffix.
            if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
              gt_cv_locale_fr_utf8=fr_FR.UTF-8
            else
              # Test for the Solaris 7 locale name.
              if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                gt_cv_locale_fr_utf8=fr.UTF-8
              else
                # None found.
                gt_cv_locale_fr_utf8=none
              fi
            fi
          fi
          ;;
      esac
    fi
    rm -fr conftest*
  ])
  LOCALE_FR_UTF8=$gt_cv_locale_fr_utf8
  AC_SUBST([LOCALE_FR_UTF8])
])
m4trace:m4/locale-ja.m4:10: -1- AC_DEFUN([gt_LOCALE_JA], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([AM_LANGINFO_CODESET])
  AC_CACHE_CHECK([for a traditional japanese locale], [gt_cv_locale_ja], [
    AC_LANG_CONFTEST([AC_LANG_SOURCE([
changequote(,)dnl
#include <locale.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main ()
{
  const char *p;
  /* Check whether the given locale name is recognized by the system.  */
#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
  /* On native Windows, setlocale(category, "") looks at the system settings,
     not at the environment variables.  Also, when an encoding suffix such
     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
     category of the locale to "C".  */
  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
    return 1;
#else
  if (setlocale (LC_ALL, "") == NULL) return 1;
#endif
  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
     On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
     some unit tests fail.
     On MirBSD 10, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "UTF-8".  */
#if HAVE_LANGINFO_CODESET
  {
    const char *cs = nl_langinfo (CODESET);
    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
        || strcmp (cs, "UTF-8") == 0)
      return 1;
  }
#endif
#ifdef __CYGWIN__
  /* On Cygwin, avoid locale names without encoding suffix, because the
     locale_charset() function relies on the encoding suffix.  Note that
     LC_ALL is set on the command line.  */
  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
#endif
  /* Check whether MB_CUR_MAX is > 1.  This excludes the dysfunctional locales
     on Cygwin 1.5.x.  */
  if (MB_CUR_MAX == 1)
    return 1;
  /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
     This excludes the UTF-8 encoding (except on MirBSD).  */
  t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
  if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
  for (p = buf; *p != '\0'; p++)
    if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
      return 1;
  return 0;
}
changequote([,])dnl
      ])])
    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
      case "$host_os" in
        # Handle native Windows specially, because there setlocale() interprets
        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
        # "fr" or "fra" as "French" or "French_France.1252",
        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
        # "ja" as "Japanese" or "Japanese_Japan.932",
        # and similar.
        mingw*)
          # Note that on native Windows, the Japanese locale is
          # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we
          # cannot use it here.
          gt_cv_locale_ja=none
          ;;
        *)
          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
          # configure script would override the LC_ALL setting. Likewise for
          # LC_CTYPE, which is also set at the beginning of the configure script.
          # Test for the AIX locale name.
          if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_ja=ja_JP
          else
            # Test for the locale name with explicit encoding suffix.
            if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
              gt_cv_locale_ja=ja_JP.EUC-JP
            else
              # Test for the HP-UX, OSF/1, NetBSD locale name.
              if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                gt_cv_locale_ja=ja_JP.eucJP
              else
                # Test for the IRIX, FreeBSD locale name.
                if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                  gt_cv_locale_ja=ja_JP.EUC
                else
                  # Test for the Solaris 7 locale name.
                  if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                    gt_cv_locale_ja=ja
                  else
                    # Special test for NetBSD 1.6.
                    if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
                      gt_cv_locale_ja=ja_JP.eucJP
                    else
                      # None found.
                      gt_cv_locale_ja=none
                    fi
                  fi
                fi
              fi
            fi
          fi
          ;;
      esac
    fi
    rm -fr conftest*
  ])
  LOCALE_JA=$gt_cv_locale_ja
  AC_SUBST([LOCALE_JA])
])
m4trace:m4/locale-tr.m4:10: -1- AC_DEFUN([gt_LOCALE_TR_UTF8], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([AM_LANGINFO_CODESET])
  AC_CACHE_CHECK([for a turkish Unicode locale], [gt_cv_locale_tr_utf8], [
    AC_LANG_CONFTEST([AC_LANG_SOURCE([
changequote(,)dnl
#include <locale.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main () {
  /* On BeOS, locales are not implemented in libc.  Rather, libintl
     imitates locale dependent behaviour by looking at the environment
     variables, and all locales use the UTF-8 encoding.  But BeOS does not
     implement the Turkish upper-/lowercase mappings.  Therefore, let this
     program return 1 on BeOS.  */
  /* Check whether the given locale name is recognized by the system.  */
#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
  /* On native Windows, setlocale(category, "") looks at the system settings,
     not at the environment variables.  Also, when an encoding suffix such
     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
     category of the locale to "C".  */
  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
    return 1;
#else
  if (setlocale (LC_ALL, "") == NULL) return 1;
#endif
  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
     On Mac OS X 10.3.5 (Darwin 7.5) in the tr_TR locale, nl_langinfo(CODESET)
     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
     some unit tests fail.  */
#if HAVE_LANGINFO_CODESET
  {
    const char *cs = nl_langinfo (CODESET);
    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
      return 1;
  }
#endif
#ifdef __CYGWIN__
  /* On Cygwin, avoid locale names without encoding suffix, because the
     locale_charset() function relies on the encoding suffix.  Note that
     LC_ALL is set on the command line.  */
  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
#endif
  /* Check whether in the abbreviation of the eighth month, the second
     character (should be U+011F: LATIN SMALL LETTER G WITH BREVE) is
     two bytes long, with UTF-8 encoding.  */
  t.tm_year = 1992 - 1900; t.tm_mon = 8 - 1; t.tm_mday = 19;
  if (strftime (buf, sizeof (buf), "%b", &t) < 4
      || buf[1] != (char) 0xc4 || buf[2] != (char) 0x9f)
    return 1;
  /* Check whether the upper-/lowercase mappings are as expected for
     Turkish.  */
  if (towupper ('i') != 0x0130 || towlower (0x0130) != 'i'
      || towupper(0x0131) != 'I' || towlower ('I') != 0x0131)
    return 1;
  return 0;
}
changequote([,])dnl
      ])])
    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
      case "$host_os" in
        # Handle native Windows specially, because there setlocale() interprets
        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
        # "fr" or "fra" as "French" or "French_France.1252",
        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
        # "ja" as "Japanese" or "Japanese_Japan.932",
        # and similar.
        mingw*)
          # Test for the hypothetical native Windows locale name.
          if (LC_ALL=Turkish_Turkey.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_tr_utf8=Turkish_Turkey.65001
          else
            # None found.
            gt_cv_locale_tr_utf8=none
          fi
          ;;
        *)
          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
          # configure script would override the LC_ALL setting. Likewise for
          # LC_CTYPE, which is also set at the beginning of the configure script.
          # Test for the usual locale name.
          if (LC_ALL=tr_TR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_tr_utf8=tr_TR
          else
            # Test for the locale name with explicit encoding suffix.
            if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
              gt_cv_locale_tr_utf8=tr_TR.UTF-8
            else
              # Test for the Solaris 7 locale name.
              if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                gt_cv_locale_tr_utf8=tr.UTF-8
              else
                # None found.
                gt_cv_locale_tr_utf8=none
              fi
            fi
          fi
          ;;
      esac
    else
      gt_cv_locale_tr_utf8=none
    fi
    rm -fr conftest*
  ])
  LOCALE_TR_UTF8=$gt_cv_locale_tr_utf8
  AC_SUBST([LOCALE_TR_UTF8])
])
m4trace:m4/locale-zh.m4:10: -1- AC_DEFUN([gt_LOCALE_ZH_CN], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([AM_LANGINFO_CODESET])
  AC_CACHE_CHECK([for a transitional chinese locale], [gt_cv_locale_zh_CN], [
    AC_LANG_CONFTEST([AC_LANG_SOURCE([
changequote(,)dnl
#include <locale.h>
#include <stdlib.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main ()
{
  const char *p;
  /* Check whether the given locale name is recognized by the system.  */
#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
  /* On native Windows, setlocale(category, "") looks at the system settings,
     not at the environment variables.  Also, when an encoding suffix such
     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
     category of the locale to "C".  */
  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
    return 1;
#else
  if (setlocale (LC_ALL, "") == NULL) return 1;
#endif
  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
     On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
     some unit tests fail.
     On MirBSD 10, when an unsupported locale is specified, setlocale()
     succeeds but then nl_langinfo(CODESET) is "UTF-8".  */
#if HAVE_LANGINFO_CODESET
  {
    const char *cs = nl_langinfo (CODESET);
    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
        || strcmp (cs, "UTF-8") == 0)
      return 1;
  }
#endif
#ifdef __CYGWIN__
  /* On Cygwin, avoid locale names without encoding suffix, because the
     locale_charset() function relies on the encoding suffix.  Note that
     LC_ALL is set on the command line.  */
  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
#endif
  /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
     This excludes the UTF-8 encoding (except on MirBSD).  */
  t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
  if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
  for (p = buf; *p != '\0'; p++)
    if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
      return 1;
  /* Check whether a typical GB18030 multibyte sequence is recognized as a
     single wide character.  This excludes the GB2312 and GBK encodings.  */
  if (mblen ("\203\062\332\066", 5) != 4)
    return 1;
  return 0;
}
changequote([,])dnl
      ])])
    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
      case "$host_os" in
        # Handle native Windows specially, because there setlocale() interprets
        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
        # "fr" or "fra" as "French" or "French_France.1252",
        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
        # "ja" as "Japanese" or "Japanese_Japan.932",
        # and similar.
        mingw*)
          # Test for the hypothetical native Windows locale name.
          if (LC_ALL=Chinese_China.54936 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_zh_CN=Chinese_China.54936
          else
            # None found.
            gt_cv_locale_zh_CN=none
          fi
          ;;
        solaris2.8)
          # On Solaris 8, the locales zh_CN.GB18030, zh_CN.GBK, zh.GBK are
          # broken. One witness is the test case in gl_MBRTOWC_SANITYCHECK.
          # Another witness is that "LC_ALL=zh_CN.GB18030 bash -c true" dumps core.
          gt_cv_locale_zh_CN=none
          ;;
        *)
          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
          # configure script would override the LC_ALL setting. Likewise for
          # LC_CTYPE, which is also set at the beginning of the configure script.
          # Test for the locale name without encoding suffix.
          if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
            gt_cv_locale_zh_CN=zh_CN
          else
            # Test for the locale name with explicit encoding suffix.
            if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
              gt_cv_locale_zh_CN=zh_CN.GB18030
            else
              # None found.
              gt_cv_locale_zh_CN=none
            fi
          fi
          ;;
      esac
    else
      # If there was a link error, due to mblen(), the system is so old that
      # it certainly doesn't have a chinese locale.
      gt_cv_locale_zh_CN=none
    fi
    rm -fr conftest*
  ])
  LOCALE_ZH_CN=$gt_cv_locale_zh_CN
  AC_SUBST([LOCALE_ZH_CN])
])
m4trace:m4/locale_h.m4:7: -1- AC_DEFUN([gl_LOCALE_H], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])

  dnl Persuade glibc <locale.h> to define locale_t and the int_p_*, int_n_*
  dnl members of 'struct lconv'.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  dnl If <stddef.h> is replaced, then <locale.h> must also be replaced.
  AC_REQUIRE([gl_STDDEF_H])

  dnl Solaris 11 2011-11 defines the int_p_*, int_n_* members of 'struct lconv'
  dnl only if _LCONV_C99 is defined.
  AC_REQUIRE([AC_CANONICAL_HOST])
  case "$host_os" in
    solaris*)
      AC_DEFINE([_LCONV_C99], [1], [Define to 1 on Solaris.])
      ;;
  esac

  AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001],
    [gl_cv_header_locale_h_posix2001],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <locale.h>
            int x = LC_MESSAGES;
            int y = sizeof (((struct lconv *) 0)->decimal_point);]],
          [[]])],
       [gl_cv_header_locale_h_posix2001=yes],
       [gl_cv_header_locale_h_posix2001=no])])

  dnl Check for <xlocale.h>.
  AC_CHECK_HEADERS_ONCE([xlocale.h])
  if test $ac_cv_header_xlocale_h = yes; then
    HAVE_XLOCALE_H=1
    dnl Check whether use of locale_t requires inclusion of <xlocale.h>,
    dnl e.g. on Mac OS X 10.5. If <locale.h> does not define locale_t by
    dnl itself, we assume that <xlocale.h> will do so.
    AC_CACHE_CHECK([whether locale.h defines locale_t],
      [gl_cv_header_locale_has_locale_t],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <locale.h>
              locale_t x;]],
            [[]])],
         [gl_cv_header_locale_has_locale_t=yes],
         [gl_cv_header_locale_has_locale_t=no])
      ])
    if test $gl_cv_header_locale_has_locale_t = yes; then
      gl_cv_header_locale_h_needs_xlocale_h=no
    else
      gl_cv_header_locale_h_needs_xlocale_h=yes
    fi
  else
    HAVE_XLOCALE_H=0
    gl_cv_header_locale_h_needs_xlocale_h=no
  fi
  AC_SUBST([HAVE_XLOCALE_H])

  dnl Check whether 'struct lconv' is complete.
  dnl Bionic libc's 'struct lconv' is just a dummy.
  dnl On OpenBSD 4.9, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 1.5.x,
  dnl mingw, MSVC 9, it lacks the int_p_* and int_n_* members.
  AC_CACHE_CHECK([whether struct lconv is properly defined],
    [gl_cv_sys_struct_lconv_ok],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <locale.h>
            struct lconv l;
            int x = sizeof (l.decimal_point);
            int y = sizeof (l.int_p_cs_precedes);]],
          [[]])],
       [gl_cv_sys_struct_lconv_ok=yes],
       [gl_cv_sys_struct_lconv_ok=no])
    ])
  if test $gl_cv_sys_struct_lconv_ok = no; then
    REPLACE_STRUCT_LCONV=1
  fi

  dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_NEXT_HEADERS([locale.h])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <locale.h>
/* Some systems provide declarations in a non-standard header.  */
#if HAVE_XLOCALE_H
# include <xlocale.h>
#endif
    ]],
    [setlocale duplocale])
])
m4trace:m4/locale_h.m4:102: -1- AC_DEFUN([gl_LOCALE_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/locale_h.m4:111: -1- AC_DEFUN([gl_LOCALE_H_DEFAULTS], [
  GNULIB_LOCALECONV=0; AC_SUBST([GNULIB_LOCALECONV])
  GNULIB_SETLOCALE=0;  AC_SUBST([GNULIB_SETLOCALE])
  GNULIB_DUPLOCALE=0;  AC_SUBST([GNULIB_DUPLOCALE])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_DUPLOCALE=1;       AC_SUBST([HAVE_DUPLOCALE])
  REPLACE_LOCALECONV=0;   AC_SUBST([REPLACE_LOCALECONV])
  REPLACE_SETLOCALE=0;    AC_SUBST([REPLACE_SETLOCALE])
  REPLACE_DUPLOCALE=0;    AC_SUBST([REPLACE_DUPLOCALE])
  REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV])
])
m4trace:m4/localeconv.m4:7: -1- AC_DEFUN([gl_FUNC_LOCALECONV], [
  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
  AC_REQUIRE([gl_LOCALE_H])

  if test $REPLACE_STRUCT_LCONV = 1; then
    REPLACE_LOCALECONV=1
  fi
])
m4trace:m4/localeconv.m4:18: -1- AC_DEFUN([gl_PREREQ_LOCALECONV], [
  AC_CHECK_MEMBERS([struct lconv.decimal_point], [], [],
    [[#include <locale.h>]])
])
m4trace:m4/localtime-buffer.m4:7: -1- AC_DEFUN([gl_LOCALTIME_BUFFER_DEFAULTS], [
  NEED_LOCALTIME_BUFFER=0
])
m4trace:m4/localtime-buffer.m4:14: -1- AC_DEFUN([gl_LOCALTIME_BUFFER_NEEDED], [
  AC_REQUIRE([gl_LOCALTIME_BUFFER_DEFAULTS])
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  NEED_LOCALTIME_BUFFER=1
  REPLACE_GMTIME=1
  REPLACE_LOCALTIME=1
])
m4trace:m4/longlong.m4:17: -1- AC_DEFUN([AC_TYPE_LONG_LONG_INT], [
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
  AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
     [ac_cv_type_long_long_int=yes
      if test "x${ac_cv_prog_cc_c99-no}" = xno; then
        ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
        if test $ac_cv_type_long_long_int = yes; then
          dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
          dnl If cross compiling, assume the bug is not important, since
          dnl nobody cross compiles for this platform as far as we know.
          AC_RUN_IFELSE(
            [AC_LANG_PROGRAM(
               [[@%:@include <limits.h>
                 @%:@ifndef LLONG_MAX
                 @%:@ define HALF \
                          (1LL << (sizeof (long long int) * CHAR_BIT - 2))
                 @%:@ define LLONG_MAX (HALF - 1 + HALF)
                 @%:@endif]],
               [[long long int n = 1;
                 int i;
                 for (i = 0; ; i++)
                   {
                     long long int m = n << i;
                     if (m >> i != n)
                       return 1;
                     if (LLONG_MAX / 2 < m)
                       break;
                   }
                 return 0;]])],
            [],
            [ac_cv_type_long_long_int=no],
            [:])
        fi
      fi])
  if test $ac_cv_type_long_long_int = yes; then
    AC_DEFINE([HAVE_LONG_LONG_INT], [1],
      [Define to 1 if the system has the type 'long long int'.])
  fi
])
m4trace:m4/longlong.m4:67: -1- AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT], [
  AC_CACHE_CHECK([for unsigned long long int],
    [ac_cv_type_unsigned_long_long_int],
    [ac_cv_type_unsigned_long_long_int=yes
     if test "x${ac_cv_prog_cc_c99-no}" = xno; then
       AC_LINK_IFELSE(
         [_AC_TYPE_LONG_LONG_SNIPPET],
         [],
         [ac_cv_type_unsigned_long_long_int=no])
     fi])
  if test $ac_cv_type_unsigned_long_long_int = yes; then
    AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
      [Define to 1 if the system has the type 'unsigned long long int'.])
  fi
])
m4trace:m4/longlong.m4:89: -1- AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET], [
  AC_LANG_PROGRAM(
    [[/* For now, do not test the preprocessor; as of 2007 there are too many
         implementations with broken preprocessors.  Perhaps this can
         be revisited in 2012.  In the meantime, code should not expect
         #if to work with literals wider than 32 bits.  */
      /* Test literals.  */
      long long int ll = 9223372036854775807ll;
      long long int nll = -9223372036854775807LL;
      unsigned long long int ull = 18446744073709551615ULL;
      /* Test constant expressions.   */
      typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
                     ? 1 : -1)];
      typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
                     ? 1 : -1)];
      int i = 63;]],
    [[/* Test availability of runtime routines for shift and division.  */
      long long int llmax = 9223372036854775807ll;
      unsigned long long int ullmax = 18446744073709551615ull;
      return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
              | (llmax / ll) | (llmax % ll)
              | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
              | (ullmax / ull) | (ullmax % ull));]])
])
m4trace:m4/lstat.m4:11: -1- AC_DEFUN([gl_FUNC_LSTAT], [
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  dnl If lstat does not exist, the replacement <sys/stat.h> does
  dnl "#define lstat stat", and lstat.c is a no-op.
  AC_CHECK_FUNCS_ONCE([lstat])
  if test $ac_cv_func_lstat = yes; then
    AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
    case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
      *no)
        REPLACE_LSTAT=1
        ;;
    esac
  else
    HAVE_LSTAT=0
  fi
])
m4trace:m4/lstat.m4:30: -1- AC_DEFUN([gl_PREREQ_LSTAT], [:])
m4trace:m4/lstat.m4:32: -1- AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], [
  dnl We don't use AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK any more, because it
  dnl is no longer maintained in Autoconf and because it invokes AC_LIBOBJ.
  AC_CACHE_CHECK([whether lstat correctly handles trailing slash],
    [gl_cv_func_lstat_dereferences_slashed_symlink],
    [rm -f conftest.sym conftest.file
     echo >conftest.file
     AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
          [AC_INCLUDES_DEFAULT],
          [[struct stat sbuf;
            if (symlink ("conftest.file", "conftest.sym") != 0)
              return 1;
            /* Linux will dereference the symlink and fail, as required by
               POSIX.  That is better in the sense that it means we will not
               have to compile and use the lstat wrapper.  */
            return lstat ("conftest.sym/", &sbuf) == 0;
          ]])],
       [gl_cv_func_lstat_dereferences_slashed_symlink=yes],
       [gl_cv_func_lstat_dereferences_slashed_symlink=no],
       [case "$host_os" in
          *-gnu*)
            # Guess yes on glibc systems.
            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
          *)
            # If we don't know, assume the worst.
            gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
        esac
       ])
     rm -f conftest.sym conftest.file
    ])
  case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
    *yes)
      AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1],
        [Define to 1 if 'lstat' dereferences a symlink specified
         with a trailing slash.])
      ;;
  esac
])
m4trace:m4/malloc.m4:7: -1- AC_DEFUN([_AC_FUNC_MALLOC_IF], [
  AC_REQUIRE([AC_HEADER_STDC])dnl
  AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles
  AC_CHECK_HEADERS([stdlib.h])
  AC_CACHE_CHECK([for GNU libc compatible malloc],
    [ac_cv_func_malloc_0_nonnull],
    [AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
          [[#if defined STDC_HEADERS || defined HAVE_STDLIB_H
            # include <stdlib.h>
            #else
            char *malloc ();
            #endif
          ]],
          [[char *p = malloc (0);
            int result = !p;
            free (p);
            return result;]])
       ],
       [ac_cv_func_malloc_0_nonnull=yes],
       [ac_cv_func_malloc_0_nonnull=no],
       [case "$host_os" in
          # Guess yes on platforms where we know the result.
          *-gnu* | freebsd* | netbsd* | openbsd* \
          | hpux* | solaris* | cygwin* | mingw*)
            ac_cv_func_malloc_0_nonnull=yes ;;
          # If we don't know, assume the worst.
          *) ac_cv_func_malloc_0_nonnull=no ;;
        esac
       ])
    ])
  AS_IF([test $ac_cv_func_malloc_0_nonnull = yes], [$1], [$2])
])
m4trace:m4/malloc.m4:52: -1- AC_DEFUN([gl_FUNC_MALLOC_GNU], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  dnl _AC_FUNC_MALLOC_IF is defined in Autoconf.
  _AC_FUNC_MALLOC_IF(
    [AC_DEFINE([HAVE_MALLOC_GNU], [1],
               [Define to 1 if your system has a GNU libc compatible 'malloc'
                function, and to 0 otherwise.])],
    [AC_DEFINE([HAVE_MALLOC_GNU], [0])
     REPLACE_MALLOC=1
    ])
])
m4trace:m4/malloc.m4:69: -1- AC_DEFUN([gl_FUNC_MALLOC_POSIX], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
  if test $gl_cv_func_malloc_posix = yes; then
    AC_DEFINE([HAVE_MALLOC_POSIX], [1],
      [Define if the 'malloc' function is POSIX compliant.])
  else
    REPLACE_MALLOC=1
  fi
])
m4trace:m4/malloc.m4:83: -1- AC_DEFUN([gl_CHECK_MALLOC_POSIX], [
  AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant],
    [gl_cv_func_malloc_posix],
    [
      dnl It is too dangerous to try to allocate a large amount of memory:
      dnl some systems go to their knees when you do that. So assume that
      dnl all Unix implementations of the function are POSIX compliant.
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [[]],
           [[#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
             choke me
             #endif
            ]])],
        [gl_cv_func_malloc_posix=yes],
        [gl_cv_func_malloc_posix=no])
    ])
])
m4trace:m4/malloca.m4:8: -1- AC_DEFUN([gl_MALLOCA], [
  dnl Use the autoconf tests for alloca(), but not the AC_SUBSTed variables
  dnl @ALLOCA@ and @LTALLOCA@.
  dnl gl_FUNC_ALLOCA   dnl Already brought in by the module dependencies.
  AC_REQUIRE([gl_EEMALLOC])
  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
])
m4trace:m4/manywarnings.m4:14: -1- AC_DEFUN([gl_MANYWARN_COMPLEMENT], [
  gl_warn_set=
  set x $2; shift
  for gl_warn_item
  do
    case " $3 " in
      *" $gl_warn_item "*)
        ;;
      *)
        gl_warn_set="$gl_warn_set $gl_warn_item"
        ;;
    esac
  done
  $1=$gl_warn_set
])
m4trace:m4/manywarnings.m4:36: -1- AC_DEFUN([gl_MANYWARN_ALL_GCC], [
  dnl First, check for some issues that only occur when combining multiple
  dnl gcc warning categories.
  AC_REQUIRE([AC_PROG_CC])
  if test -n "$GCC"; then

    dnl Check if -W -Werror -Wno-missing-field-initializers is supported
    dnl with the current $CC $CFLAGS $CPPFLAGS.
    AC_MSG_CHECKING([whether -Wno-missing-field-initializers is supported])
    AC_CACHE_VAL([gl_cv_cc_nomfi_supported], [
      gl_save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -W -Werror -Wno-missing-field-initializers"
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([[]], [[]])],
        [gl_cv_cc_nomfi_supported=yes],
        [gl_cv_cc_nomfi_supported=no])
      CFLAGS="$gl_save_CFLAGS"])
    AC_MSG_RESULT([$gl_cv_cc_nomfi_supported])

    if test "$gl_cv_cc_nomfi_supported" = yes; then
      dnl Now check whether -Wno-missing-field-initializers is needed
      dnl for the { 0, } construct.
      AC_MSG_CHECKING([whether -Wno-missing-field-initializers is needed])
      AC_CACHE_VAL([gl_cv_cc_nomfi_needed], [
        gl_save_CFLAGS="$CFLAGS"
        CFLAGS="$CFLAGS -W -Werror"
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM(
             [[int f (void)
               {
                 typedef struct { int a; int b; } s_t;
                 s_t s1 = { 0, };
                 return s1.b;
               }
             ]],
             [[]])],
          [gl_cv_cc_nomfi_needed=no],
          [gl_cv_cc_nomfi_needed=yes])
        CFLAGS="$gl_save_CFLAGS"
      ])
      AC_MSG_RESULT([$gl_cv_cc_nomfi_needed])
    fi

    dnl Next, check if -Werror -Wuninitialized is useful with the
    dnl user's choice of $CFLAGS; some versions of gcc warn that it
    dnl has no effect if -O is not also used
    AC_MSG_CHECKING([whether -Wuninitialized is supported])
    AC_CACHE_VAL([gl_cv_cc_uninitialized_supported], [
      gl_save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -Werror -Wuninitialized"
      AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([[]], [[]])],
        [gl_cv_cc_uninitialized_supported=yes],
        [gl_cv_cc_uninitialized_supported=no])
      CFLAGS="$gl_save_CFLAGS"])
    AC_MSG_RESULT([$gl_cv_cc_uninitialized_supported])

  fi

  # List all gcc warning categories.
  # To compare this list to your installed GCC's, run this Bash command:
  #
  # comm -3 \
  #  <(sed -n 's/^  *\(-[^ ]*\) .*/\1/p' manywarnings.m4 | sort) \
  #  <(gcc --help=warnings | sed -n 's/^  \(-[^ ]*\) .*/\1/p' | sort |
  #      grep -v -x -F -f <(
  #         awk '/^[^#]/ {print $1}' ../build-aux/gcc-warning.spec))

  gl_manywarn_set=
  for gl_manywarn_item in -fno-common \
    -W \
    -Wabi \
    -Waddress \
    -Waggressive-loop-optimizations \
    -Wall \
    -Wattributes \
    -Wbad-function-cast \
    -Wbool-compare \
    -Wbool-operation \
    -Wbuiltin-declaration-mismatch \
    -Wbuiltin-macro-redefined \
    -Wcast-align \
    -Wchar-subscripts \
    -Wchkp \
    -Wclobbered \
    -Wcomment \
    -Wcomments \
    -Wcoverage-mismatch \
    -Wcpp \
    -Wdangling-else \
    -Wdate-time \
    -Wdeprecated \
    -Wdeprecated-declarations \
    -Wdesignated-init \
    -Wdisabled-optimization \
    -Wdiscarded-array-qualifiers \
    -Wdiscarded-qualifiers \
    -Wdiv-by-zero \
    -Wdouble-promotion \
    -Wduplicated-branches \
    -Wduplicated-cond \
    -Wduplicate-decl-specifier \
    -Wempty-body \
    -Wendif-labels \
    -Wenum-compare \
    -Wexpansion-to-defined \
    -Wextra \
    -Wformat-contains-nul \
    -Wformat-extra-args \
    -Wformat-nonliteral \
    -Wformat-security \
    -Wformat-signedness \
    -Wformat-y2k \
    -Wformat-zero-length \
    -Wframe-address \
    -Wfree-nonheap-object \
    -Whsa \
    -Wignored-attributes \
    -Wignored-qualifiers \
    -Wimplicit \
    -Wimplicit-function-declaration \
    -Wimplicit-int \
    -Wincompatible-pointer-types \
    -Winit-self \
    -Winline \
    -Wint-conversion \
    -Wint-in-bool-context \
    -Wint-to-pointer-cast \
    -Winvalid-memory-model \
    -Winvalid-pch \
    -Wjump-misses-init \
    -Wlogical-not-parentheses \
    -Wlogical-op \
    -Wmain \
    -Wmaybe-uninitialized \
    -Wmemset-elt-size \
    -Wmemset-transposed-args \
    -Wmisleading-indentation \
    -Wmissing-braces \
    -Wmissing-declarations \
    -Wmissing-field-initializers \
    -Wmissing-include-dirs \
    -Wmissing-parameter-type \
    -Wmissing-prototypes \
    -Wmultichar \
    -Wnarrowing \
    -Wnested-externs \
    -Wnonnull \
    -Wnonnull-compare \
    -Wnull-dereference \
    -Wodr \
    -Wold-style-declaration \
    -Wold-style-definition \
    -Wopenmp-simd \
    -Woverflow \
    -Woverlength-strings \
    -Woverride-init \
    -Wpacked \
    -Wpacked-bitfield-compat \
    -Wparentheses \
    -Wpointer-arith \
    -Wpointer-compare \
    -Wpointer-sign \
    -Wpointer-to-int-cast \
    -Wpragmas \
    -Wpsabi \
    -Wrestrict \
    -Wreturn-local-addr \
    -Wreturn-type \
    -Wscalar-storage-order \
    -Wsequence-point \
    -Wshadow \
    -Wshift-count-negative \
    -Wshift-count-overflow \
    -Wshift-negative-value \
    -Wsizeof-array-argument \
    -Wsizeof-pointer-memaccess \
    -Wstack-protector \
    -Wstrict-aliasing \
    -Wstrict-overflow \
    -Wstrict-prototypes \
    -Wsuggest-attribute=const \
    -Wsuggest-attribute=format \
    -Wsuggest-attribute=noreturn \
    -Wsuggest-attribute=pure \
    -Wsuggest-final-methods \
    -Wsuggest-final-types \
    -Wswitch \
    -Wswitch-bool \
    -Wswitch-default \
    -Wswitch-unreachable \
    -Wsync-nand \
    -Wsystem-headers \
    -Wtautological-compare \
    -Wtrampolines \
    -Wtrigraphs \
    -Wtype-limits \
    -Wuninitialized \
    -Wunknown-pragmas \
    -Wunsafe-loop-optimizations \
    -Wunused \
    -Wunused-but-set-parameter \
    -Wunused-but-set-variable \
    -Wunused-function \
    -Wunused-label \
    -Wunused-local-typedefs \
    -Wunused-macros \
    -Wunused-parameter \
    -Wunused-result \
    -Wunused-value \
    -Wunused-variable \
    -Wvarargs \
    -Wvariadic-macros \
    -Wvector-operation-performance \
    -Wvla \
    -Wvolatile-register-var \
    -Wwrite-strings \
    \
    ; do
    gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
  done

  # gcc --help=warnings outputs an unusual form for these options; list
  # them here so that the above 'comm' command doesn't report a false match.
  # Would prefer "min (PTRDIFF_MAX, SIZE_MAX)", but it must be a literal:
  ptrdiff_max_max=9223372036854775807
  gl_manywarn_set="$gl_manywarn_set -Walloc-size-larger-than=$ptrdiff_max_max"
  gl_manywarn_set="$gl_manywarn_set -Warray-bounds=2"
  gl_manywarn_set="$gl_manywarn_set -Wformat-overflow=2"
  gl_manywarn_set="$gl_manywarn_set -Wformat-truncation=2"
  gl_manywarn_set="$gl_manywarn_set -Wimplicit-fallthrough=5"
  gl_manywarn_set="$gl_manywarn_set -Wnormalized=nfc"
  gl_manywarn_set="$gl_manywarn_set -Wshift-overflow=2"
  gl_manywarn_set="$gl_manywarn_set -Wstringop-overflow=2"
  gl_manywarn_set="$gl_manywarn_set -Wunused-const-variable=2"
  gl_manywarn_set="$gl_manywarn_set -Wvla-larger-than=4031"

  # These are needed for older GCC versions.
  if test -n "$GCC"; then
    case `($CC --version) 2>/dev/null` in
      'gcc (GCC) '[[0-3]].* | \
      'gcc (GCC) '4.[[0-7]].*)
        gl_manywarn_set="$gl_manywarn_set -fdiagnostics-show-option"
        gl_manywarn_set="$gl_manywarn_set -funit-at-a-time"
          ;;
    esac
  fi

  # Disable specific options as needed.
  if test "$gl_cv_cc_nomfi_needed" = yes; then
    gl_manywarn_set="$gl_manywarn_set -Wno-missing-field-initializers"
  fi

  if test "$gl_cv_cc_uninitialized_supported" = no; then
    gl_manywarn_set="$gl_manywarn_set -Wno-uninitialized"
  fi

  $1=$gl_manywarn_set
])
m4trace:m4/mbchar.m4:10: -1- AC_DEFUN([gl_MBCHAR], [
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])
m4trace:m4/mbiter.m4:10: -1- AC_DEFUN([gl_MBITER], [
  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  :
])
m4trace:m4/mbrtowc.m4:8: -1- AC_DEFUN([gl_FUNC_MBRTOWC], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  gl_MBSTATE_T_BROKEN

  AC_CHECK_FUNCS_ONCE([mbrtowc])
  if test $ac_cv_func_mbrtowc = no; then
    HAVE_MBRTOWC=0
    AC_CHECK_DECLS([mbrtowc],,, [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
    if test $ac_cv_have_decl_mbrtowc = yes; then
      dnl On Minix 3.1.8, the system's <wchar.h> declares mbrtowc() although
      dnl it does not have the function. Avoid a collision with gnulib's
      dnl replacement.
      REPLACE_MBRTOWC=1
    fi
  else
    if test $REPLACE_MBSTATE_T = 1; then
      REPLACE_MBRTOWC=1
    else
      gl_MBRTOWC_NULL_ARG1
      gl_MBRTOWC_NULL_ARG2
      gl_MBRTOWC_RETVAL
      gl_MBRTOWC_NUL_RETVAL
      gl_MBRTOWC_EMPTY_INPUT
      gl_MBRTOWC_C_LOCALE
      case "$gl_cv_func_mbrtowc_null_arg1" in
        *yes) ;;
        *) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1],
             [Define if the mbrtowc function has the NULL pwc argument bug.])
           REPLACE_MBRTOWC=1
           ;;
      esac
      case "$gl_cv_func_mbrtowc_null_arg2" in
        *yes) ;;
        *) AC_DEFINE([MBRTOWC_NULL_ARG2_BUG], [1],
             [Define if the mbrtowc function has the NULL string argument bug.])
           REPLACE_MBRTOWC=1
           ;;
      esac
      case "$gl_cv_func_mbrtowc_retval" in
        *yes) ;;
        *) AC_DEFINE([MBRTOWC_RETVAL_BUG], [1],
             [Define if the mbrtowc function returns a wrong return value.])
           REPLACE_MBRTOWC=1
           ;;
      esac
      case "$gl_cv_func_mbrtowc_nul_retval" in
        *yes) ;;
        *) AC_DEFINE([MBRTOWC_NUL_RETVAL_BUG], [1],
             [Define if the mbrtowc function does not return 0 for a NUL character.])
           REPLACE_MBRTOWC=1
           ;;
      esac
      case "$gl_cv_func_mbrtowc_empty_input" in
        *yes) ;;
        *) AC_DEFINE([MBRTOWC_EMPTY_INPUT_BUG], [1],
             [Define if the mbrtowc function does not return (size_t) -2
              for empty input.])
           REPLACE_MBRTOWC=1
           ;;
      esac
      case $gl_cv_C_locale_sans_EILSEQ in
        *yes) ;;
        *) AC_DEFINE([C_LOCALE_MAYBE_EILSEQ], [1],
             [Define to 1 if the C locale may have encoding errors.])
           REPLACE_MBRTOWC=1
           ;;
      esac
    fi
  fi
])
m4trace:m4/mbrtowc.m4:97: -1- AC_DEFUN([gl_MBSTATE_T_BROKEN], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  AC_CHECK_FUNCS_ONCE([mbsinit])
  AC_CHECK_FUNCS_ONCE([mbrtowc])
  if test $ac_cv_func_mbsinit = yes && test $ac_cv_func_mbrtowc = yes; then
    gl_MBRTOWC_INCOMPLETE_STATE
    gl_MBRTOWC_SANITYCHECK
    REPLACE_MBSTATE_T=0
    case "$gl_cv_func_mbrtowc_incomplete_state" in
      *yes) ;;
      *) REPLACE_MBSTATE_T=1 ;;
    esac
    case "$gl_cv_func_mbrtowc_sanitycheck" in
      *yes) ;;
      *) REPLACE_MBSTATE_T=1 ;;
    esac
  else
    REPLACE_MBSTATE_T=1
  fi
])
m4trace:m4/mbrtowc.m4:125: -1- AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_JA])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbrtowc handles incomplete characters],
    [gl_cv_func_mbrtowc_incomplete_state],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                     # Guess no on AIX and OSF/1.
        aix* | osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;;
                     # Guess yes otherwise.
        *)           gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_JA != none; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
    {
      const char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
        if (mbsinit (&state))
          return 2;
    }
  return 0;
}]])],
          [gl_cv_func_mbrtowc_incomplete_state=yes],
          [gl_cv_func_mbrtowc_incomplete_state=no],
          [:])
      fi
    ])
])
m4trace:m4/mbrtowc.m4:181: -1- AC_DEFUN([gl_MBRTOWC_SANITYCHECK], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_ZH_CN])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbrtowc works as well as mbtowc],
    [gl_cv_func_mbrtowc_sanitycheck],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                    # Guess no on Solaris 8.
        solaris2.8) gl_cv_func_mbrtowc_sanitycheck="guessing no" ;;
                    # Guess yes otherwise.
        *)          gl_cv_func_mbrtowc_sanitycheck="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_ZH_CN != none; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <stdlib.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  /* This fails on Solaris 8:
     mbrtowc returns 2, and sets wc to 0x00F0.
     mbtowc returns 4 (correct) and sets wc to 0x5EDC.  */
  if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
    {
      char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 3, 6, &state) != 4
          && mbtowc (&wc, input + 3, 6) == 4)
        return 2;
    }
  return 0;
}]])],
          [gl_cv_func_mbrtowc_sanitycheck=yes],
          [gl_cv_func_mbrtowc_sanitycheck=no],
          [:])
      fi
    ])
])
m4trace:m4/mbrtowc.m4:241: -1- AC_DEFUN([gl_MBRTOWC_NULL_ARG1], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_FR_UTF8])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbrtowc handles a NULL pwc argument],
    [gl_cv_func_mbrtowc_null_arg1],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                  # Guess no on Solaris.
        solaris*) gl_cv_func_mbrtowc_null_arg1="guessing no" ;;
                  # Guess yes otherwise.
        *)        gl_cv_func_mbrtowc_null_arg1="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_FR_UTF8 != none; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <stdlib.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  int result = 0;

  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
    {
      char input[] = "\303\237er";
      mbstate_t state;
      wchar_t wc;
      size_t ret;

      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input, 5, &state);
      if (ret != 2)
        result |= 1;
      if (!mbsinit (&state))
        result |= 2;

      memset (&state, '\0', sizeof (mbstate_t));
      ret = mbrtowc (NULL, input, 5, &state);
      if (ret != 2) /* Solaris 7 fails here: ret is -1.  */
        result |= 4;
      if (!mbsinit (&state))
        result |= 8;
    }
  return result;
}]])],
          [gl_cv_func_mbrtowc_null_arg1=yes],
          [gl_cv_func_mbrtowc_null_arg1=no],
          [:])
      fi
    ])
])
m4trace:m4/mbrtowc.m4:311: -1- AC_DEFUN([gl_MBRTOWC_NULL_ARG2], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_FR_UTF8])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbrtowc handles a NULL string argument],
    [gl_cv_func_mbrtowc_null_arg2],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
              # Guess no on OSF/1.
        osf*) gl_cv_func_mbrtowc_null_arg2="guessing no" ;;
              # Guess yes otherwise.
        *)    gl_cv_func_mbrtowc_null_arg2="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_FR_UTF8 != none; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
    {
      mbstate_t state;
      wchar_t wc;
      int ret;

      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      mbrtowc (&wc, NULL, 5, &state);
      /* Check that wc was not modified.  */
      if (wc != (wchar_t) 0xBADFACE)
        return 2;
    }
  return 0;
}]])],
          [gl_cv_func_mbrtowc_null_arg2=yes],
          [gl_cv_func_mbrtowc_null_arg2=no],
          [:])
      fi
    ])
])
m4trace:m4/mbrtowc.m4:371: -1- AC_DEFUN([gl_MBRTOWC_RETVAL], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_FR_UTF8])
  AC_REQUIRE([gt_LOCALE_JA])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CACHE_CHECK([whether mbrtowc has a correct return value],
    [gl_cv_func_mbrtowc_retval],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                                   # Guess no on HP-UX, Solaris, native Windows.
        hpux* | solaris* | mingw*) gl_cv_func_mbrtowc_retval="guessing no" ;;
                                   # Guess yes otherwise.
        *)                         gl_cv_func_mbrtowc_retval="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none \
         || { case "$host_os" in mingw*) true;; *) false;; esac; }; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  int result = 0;
  int found_some_locale = 0;
  /* This fails on Solaris.  */
  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
    {
      char input[] = "B\303\274\303\237er"; /* "Büßer" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
        {
          input[1] = '\0';
          if (mbrtowc (&wc, input + 2, 5, &state) != 1)
            result |= 1;
        }
      found_some_locale = 1;
    }
  /* This fails on HP-UX 11.11.  */
  if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
    {
      char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
        {
          input[1] = '\0';
          if (mbrtowc (&wc, input + 2, 5, &state) != 2)
            result |= 2;
        }
      found_some_locale = 1;
    }
  /* This fails on native Windows.  */
  if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL)
    {
      char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
        {
          input[3] = '\0';
          if (mbrtowc (&wc, input + 4, 4, &state) != 1)
            result |= 4;
        }
      found_some_locale = 1;
    }
  if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL)
    {
      char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
        {
          input[3] = '\0';
          if (mbrtowc (&wc, input + 4, 4, &state) != 1)
            result |= 8;
        }
      found_some_locale = 1;
    }
  if (setlocale (LC_ALL, "Chinese_China.936") != NULL)
    {
      char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2))
        {
          input[3] = '\0';
          if (mbrtowc (&wc, input + 4, 4, &state) != 1)
            result |= 16;
        }
      found_some_locale = 1;
    }
  return (found_some_locale ? result : 77);
}]])],
          [gl_cv_func_mbrtowc_retval=yes],
          [if test $? != 77; then
             gl_cv_func_mbrtowc_retval=no
           fi
          ],
          [:])
      fi
    ])
])
m4trace:m4/mbrtowc.m4:501: -1- AC_DEFUN([gl_MBRTOWC_NUL_RETVAL], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_ZH_CN])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbrtowc returns 0 when parsing a NUL character],
    [gl_cv_func_mbrtowc_nul_retval],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                       # Guess no on Solaris 8 and 9.
        solaris2.[89]) gl_cv_func_mbrtowc_nul_retval="guessing no" ;;
                       # Guess yes otherwise.
        *)             gl_cv_func_mbrtowc_nul_retval="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_ZH_CN != none; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  /* This fails on Solaris 8 and 9.  */
  if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
    {
      mbstate_t state;
      wchar_t wc;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (&wc, "", 1, &state) != 0)
        return 2;
    }
  return 0;
}]])],
          [gl_cv_func_mbrtowc_nul_retval=yes],
          [gl_cv_func_mbrtowc_nul_retval=no],
          [:])
      fi
    ])
])
m4trace:m4/mbrtowc.m4:555: -1- AC_DEFUN([gl_MBRTOWC_EMPTY_INPUT], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbrtowc works on empty input],
    [gl_cv_func_mbrtowc_empty_input],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                     # Guess no on AIX and glibc systems.
        aix* | *-gnu*)
                    gl_cv_func_mbrtowc_empty_input="guessing no" ;;
        *)          gl_cv_func_mbrtowc_empty_input="guessing yes" ;;
      esac
changequote([,])dnl
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
           #include <wchar.h>
           static wchar_t wc;
           static mbstate_t mbs;
           int
           main (void)
           {
             return mbrtowc (&wc, "", 0, &mbs) != (size_t) -2;
           }]])],
        [gl_cv_func_mbrtowc_empty_input=yes],
        [gl_cv_func_mbrtowc_empty_input=no],
        [:])
    ])
])
m4trace:m4/mbrtowc.m4:593: -1- AC_DEFUN([gl_MBRTOWC_C_LOCALE], [
  AC_CACHE_CHECK([whether the C locale is free of encoding errors],
    [gl_cv_C_locale_sans_EILSEQ],
    [
     dnl Initial guess, used when cross-compiling or when no suitable locale
     dnl is present.
     gl_cv_C_locale_sans_EILSEQ="guessing no"

     AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <limits.h>
            #include <locale.h>
            #include <wchar.h>
          ]], [[
            int i;
            char *locale = setlocale (LC_ALL, "C");
            if (! locale)
              return 2;
            for (i = CHAR_MIN; i <= CHAR_MAX; i++)
              {
                char c = i;
                wchar_t wc;
                mbstate_t mbs = { 0, };
                size_t ss = mbrtowc (&wc, &c, 1, &mbs);
                if (1 < ss)
                  return 3;
              }
            return 0;
          ]])],
      [gl_cv_C_locale_sans_EILSEQ=yes],
      [gl_cv_C_locale_sans_EILSEQ=no],
      [:])])
])
m4trace:m4/mbrtowc.m4:629: -1- AC_DEFUN([gl_PREREQ_MBRTOWC], [
  :
])
m4trace:m4/mbrtowc.m4:638: -1- AC_DEFUN([AC_FUNC_MBRTOWC], [
  dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
    gl_cv_func_mbrtowc,
    [AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
            [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
                 included before <wchar.h>.
                 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
                 must be included before <wchar.h>.  */
              #include <stddef.h>
              #include <stdio.h>
              #include <time.h>
              #include <wchar.h>]],
            [[wchar_t wc;
              char const s[] = "";
              size_t n = 1;
              mbstate_t state;
              return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
       gl_cv_func_mbrtowc=yes,
       gl_cv_func_mbrtowc=no)])
  if test $gl_cv_func_mbrtowc = yes; then
    AC_DEFINE([HAVE_MBRTOWC], [1],
      [Define to 1 if mbrtowc and mbstate_t are properly declared.])
  fi
])
m4trace:m4/mbsinit.m4:7: -1- AC_DEFUN([gl_FUNC_MBSINIT], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])

  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  gl_MBSTATE_T_BROKEN

  AC_CHECK_FUNCS_ONCE([mbsinit])
  if test $ac_cv_func_mbsinit = no; then
    HAVE_MBSINIT=0
    AC_CHECK_DECLS([mbsinit],,, [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
    if test $ac_cv_have_decl_mbsinit = yes; then
      dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although
      dnl it does not have the function. Avoid a collision with gnulib's
      dnl replacement.
      REPLACE_MBSINIT=1
    fi
  else
    if test $REPLACE_MBSTATE_T = 1; then
      REPLACE_MBSINIT=1
    else
      dnl On mingw, mbsinit() always returns 1, which is inappropriate for
      dnl states produced by mbrtowc() for an incomplete multibyte character
      dnl in multibyte locales.
      case "$host_os" in
        mingw*) REPLACE_MBSINIT=1 ;;
      esac
    fi
  fi
])
m4trace:m4/mbsinit.m4:49: -1- AC_DEFUN([gl_PREREQ_MBSINIT], [
  :
])
m4trace:m4/mbslen.m4:7: -1- AC_DEFUN([gl_FUNC_MBSLEN], [
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([mbslen])
  if test $ac_cv_func_mbslen = yes; then
    HAVE_MBSLEN=1
  else
    HAVE_MBSLEN=0
  fi
])
m4trace:m4/mbsrtowcs.m4:7: -1- AC_DEFUN([gl_FUNC_MBSRTOWCS], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  gl_MBSTATE_T_BROKEN

  AC_CHECK_FUNCS_ONCE([mbsrtowcs])
  if test $ac_cv_func_mbsrtowcs = no; then
    HAVE_MBSRTOWCS=0
    AC_CHECK_DECLS([mbsrtowcs],,, [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
    if test $ac_cv_have_decl_mbsrtowcs = yes; then
      dnl On Minix 3.1.8, the system's <wchar.h> declares mbsrtowcs() although
      dnl it does not have the function. Avoid a collision with gnulib's
      dnl replacement.
      REPLACE_MBSRTOWCS=1
    fi
  else
    if test $REPLACE_MBSTATE_T = 1; then
      REPLACE_MBSRTOWCS=1
    else
      gl_MBSRTOWCS_WORKS
      case "$gl_cv_func_mbsrtowcs_works" in
        *yes) ;;
        *) REPLACE_MBSRTOWCS=1 ;;
      esac
    fi
  fi
])
m4trace:m4/mbsrtowcs.m4:49: -1- AC_DEFUN([gl_MBSRTOWCS_WORKS], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gt_LOCALE_FR])
  AC_REQUIRE([gt_LOCALE_FR_UTF8])
  AC_REQUIRE([gt_LOCALE_JA])
  AC_REQUIRE([gt_LOCALE_ZH_CN])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether mbsrtowcs works],
    [gl_cv_func_mbsrtowcs_works],
    [
      dnl Initial guess, used when cross-compiling or when no suitable locale
      dnl is present.
changequote(,)dnl
      case "$host_os" in
                                   # Guess no on HP-UX, Solaris, mingw.
        hpux* | solaris* | mingw*) gl_cv_func_mbsrtowcs_works="guessing no" ;;
                                   # Guess yes otherwise.
        *)                         gl_cv_func_mbsrtowcs_works="guessing yes" ;;
      esac
changequote([,])dnl
      if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  int result = 0;
  /* Test whether the function supports a NULL destination argument.
     This fails on native Windows.  */
  if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
    {
      const char input[] = "\337er";
      const char *src = input;
      mbstate_t state;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbsrtowcs (NULL, &src, 1, &state) != 3
          || src != input)
        result |= 1;
    }
  /* Test whether the function works when started with a conversion state
     in non-initial state.  This fails on HP-UX 11.11 and Solaris 10.  */
  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
    {
      const char input[] = "B\303\274\303\237er";
      mbstate_t state;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2))
        if (!mbsinit (&state))
          {
            const char *src = input + 2;
            if (mbsrtowcs (NULL, &src, 10, &state) != 4)
              result |= 2;
          }
    }
  if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
    {
      const char input[] = "<\306\374\313\334\270\354>";
      mbstate_t state;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (NULL, input + 3, 1, &state) == (size_t)(-2))
        if (!mbsinit (&state))
          {
            const char *src = input + 4;
            if (mbsrtowcs (NULL, &src, 10, &state) != 3)
              result |= 4;
          }
    }
  if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
    {
      const char input[] = "B\250\271\201\060\211\070er";
      mbstate_t state;

      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2))
        if (!mbsinit (&state))
          {
            const char *src = input + 2;
            if (mbsrtowcs (NULL, &src, 10, &state) != 4)
              result |= 8;
          }
    }
  return result;
}]])],
          [gl_cv_func_mbsrtowcs_works=yes],
          [gl_cv_func_mbsrtowcs_works=no],
          [:])
      fi
    ])
])
m4trace:m4/mbsrtowcs.m4:153: -1- AC_DEFUN([gl_PREREQ_MBSRTOWCS], [
  :
])
m4trace:m4/mbstate_t.m4:15: -1- AC_DEFUN([AC_TYPE_MBSTATE_T], [
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl for HP-UX 11.11

   AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t],
     [AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [AC_INCLUDES_DEFAULT[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>]],
           [[mbstate_t x; return sizeof x;]])],
        [ac_cv_type_mbstate_t=yes],
        [ac_cv_type_mbstate_t=no])])
   if test $ac_cv_type_mbstate_t = yes; then
     AC_DEFINE([HAVE_MBSTATE_T], [1],
               [Define to 1 if <wchar.h> declares mbstate_t.])
   else
     AC_DEFINE([mbstate_t], [int],
               [Define to a type if <wchar.h> does not define.])
   fi
])
m4trace:m4/mbtowc.m4:7: -1- AC_DEFUN([gl_FUNC_MBTOWC], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])

  if false; then
    REPLACE_MBTOWC=1
  fi
])
m4trace:m4/mbtowc.m4:17: -1- AC_DEFUN([gl_PREREQ_MBTOWC], [
  :
])
m4trace:m4/memchr.m4:7: -1- AC_DEFUN_ONCE([gl_FUNC_MEMCHR], [
  dnl Check for prerequisites for memory fence checks.
  gl_FUNC_MMAP_ANON
  AC_CHECK_HEADERS_ONCE([sys/mman.h])
  AC_CHECK_FUNCS_ONCE([mprotect])

  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  m4_ifdef([gl_FUNC_MEMCHR_OBSOLETE], [
    dnl These days, we assume memchr is present.  But if support for old
    dnl platforms is desired:
    AC_CHECK_FUNCS_ONCE([memchr])
    if test $ac_cv_func_memchr = no; then
      HAVE_MEMCHR=0
    fi
  ])
  if test $HAVE_MEMCHR = 1; then
    # Detect platform-specific bugs in some versions of glibc:
    # memchr should not dereference anything with length 0
    #   http://bugzilla.redhat.com/499689
    # memchr should not dereference overestimated length after a match
    #   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737
    #   http://sourceware.org/bugzilla/show_bug.cgi?id=10162
    # Assume that memchr works on platforms that lack mprotect.
    AC_CACHE_CHECK([whether memchr works], [gl_cv_func_memchr_works],
      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <string.h>
#if HAVE_SYS_MMAN_H
# include <fcntl.h>
# include <unistd.h>
# include <sys/types.h>
# include <sys/mman.h>
# ifndef MAP_FILE
#  define MAP_FILE 0
# endif
#endif
]], [[
  int result = 0;
  char *fence = NULL;
#if HAVE_SYS_MMAN_H && HAVE_MPROTECT
# if HAVE_MAP_ANONYMOUS
  const int flags = MAP_ANONYMOUS | MAP_PRIVATE;
  const int fd = -1;
# else /* !HAVE_MAP_ANONYMOUS */
  const int flags = MAP_FILE | MAP_PRIVATE;
  int fd = open ("/dev/zero", O_RDONLY, 0666);
  if (fd >= 0)
# endif
    {
      int pagesize = getpagesize ();
      char *two_pages =
        (char *) mmap (NULL, 2 * pagesize, PROT_READ | PROT_WRITE,
                       flags, fd, 0);
      if (two_pages != (char *)(-1)
          && mprotect (two_pages + pagesize, pagesize, PROT_NONE) == 0)
        fence = two_pages + pagesize;
    }
#endif
  if (fence)
    {
      if (memchr (fence, 0, 0))
        result |= 1;
      strcpy (fence - 9, "12345678");
      if (memchr (fence - 9, 0, 79) != fence - 1)
        result |= 2;
      if (memchr (fence - 1, 0, 3) != fence - 1)
        result |= 4;
    }
  return result;
]])], [gl_cv_func_memchr_works=yes], [gl_cv_func_memchr_works=no],
      [dnl Be pessimistic for now.
       gl_cv_func_memchr_works="guessing no"])])
    if test "$gl_cv_func_memchr_works" != yes; then
      REPLACE_MEMCHR=1
    fi
  fi
])
m4trace:m4/memchr.m4:86: -1- AC_DEFUN([gl_PREREQ_MEMCHR], [
  AC_CHECK_HEADERS([bp-sym.h])
])
m4trace:m4/minmax.m4:9: -1- AC_DEFUN([gl_MINMAX], [
  AC_REQUIRE([gl_PREREQ_MINMAX])
])
m4trace:m4/minmax.m4:15: -1- AC_DEFUN([gl_PREREQ_MINMAX], [
  gl_MINMAX_IN_HEADER([limits.h])
  gl_MINMAX_IN_HEADER([sys/param.h])
])
m4trace:m4/minmax.m4:25: -1- AC_DEFUN([gl_MINMAX_IN_HEADER], [
  m4_pushdef([header], AS_TR_SH([$1]))
  m4_pushdef([HEADER], AS_TR_CPP([$1]))
  AC_CACHE_CHECK([whether <$1> defines MIN and MAX],
    [gl_cv_minmax_in_]header,
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <$1>
            int x = MIN (42, 17);]],
          [[]])],
       [gl_cv_minmax_in_]header[=yes],
       [gl_cv_minmax_in_]header[=no])])
  if test $gl_cv_minmax_in_[]header = yes; then
    AC_DEFINE([HAVE_MINMAX_IN_]HEADER, 1,
      [Define to 1 if <$1> defines the MIN and MAX macros.])
  fi
  m4_popdef([HEADER])
  m4_popdef([header])
])
m4trace:m4/mkstemp.m4:16: -1- AC_DEFUN([gl_FUNC_MKSTEMP], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  AC_CHECK_FUNCS_ONCE([mkstemp])
  if test $ac_cv_func_mkstemp = yes; then
    AC_CACHE_CHECK([for working mkstemp],
      [gl_cv_func_working_mkstemp],
      [
        mkdir conftest.mkstemp
        AC_RUN_IFELSE(
          [AC_LANG_PROGRAM(
            [AC_INCLUDES_DEFAULT],
            [[int result = 0;
              int i;
              off_t large = (off_t) 4294967295u;
              if (large < 0)
                large = 2147483647;
              umask (0);
              for (i = 0; i < 70; i++)
                {
                  char templ[] = "conftest.mkstemp/coXXXXXX";
                  int (*mkstemp_function) (char *) = mkstemp;
                  int fd = mkstemp_function (templ);
                  if (fd < 0)
                    result |= 1;
                  else
                    {
                      struct stat st;
                      if (lseek (fd, large, SEEK_SET) != large)
                        result |= 2;
                      if (fstat (fd, &st) < 0)
                        result |= 4;
                      else if (st.st_mode & 0077)
                        result |= 8;
                      if (close (fd))
                        result |= 16;
                    }
                }
              return result;]])],
          [gl_cv_func_working_mkstemp=yes],
          [gl_cv_func_working_mkstemp=no],
          [case "$host_os" in
                     # Guess yes on glibc systems.
             *-gnu*) gl_cv_func_working_mkstemp="guessing yes" ;;
                     # If we don't know, assume the worst.
             *)      gl_cv_func_working_mkstemp="guessing no" ;;
           esac
          ])
        rm -rf conftest.mkstemp
      ])
    case "$gl_cv_func_working_mkstemp" in
      *yes) ;;
      *)
        REPLACE_MKSTEMP=1
        ;;
    esac
  else
    HAVE_MKSTEMP=0
  fi
])
m4trace:m4/mkstemp.m4:80: -1- AC_DEFUN([gl_PREREQ_MKSTEMP], [
])
m4trace:m4/mktime.m4:10: -1- AC_DEFUN([gl_TIME_T_IS_SIGNED], [
  AC_CACHE_CHECK([whether time_t is signed],
    [gl_cv_time_t_is_signed],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM([[#include <time.h>
                          char time_t_signed[(time_t) -1 < 0 ? 1 : -1];]])],
       [gl_cv_time_t_is_signed=yes],
       [gl_cv_time_t_is_signed=no])])
  if test $gl_cv_time_t_is_signed = yes; then
    AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed.])
  fi
])
m4trace:m4/mktime.m4:25: -1- AC_DEFUN([gl_FUNC_MKTIME_WORKS], [
  AC_REQUIRE([gl_TIME_T_IS_SIGNED])

  dnl We don't use AC_FUNC_MKTIME any more, because it is no longer maintained
  dnl in Autoconf and because it invokes AC_LIBOBJ.
  AC_CHECK_HEADERS_ONCE([unistd.h])
  AC_CHECK_DECLS_ONCE([alarm])
  AC_CHECK_FUNCS_ONCE([tzset])
  AC_REQUIRE([gl_MULTIARCH])
  if test $APPLE_UNIVERSAL_BUILD = 1; then
    # A universal build on Apple Mac OS X platforms.
    # The test result would be 'yes' in 32-bit mode and 'no' in 64-bit mode.
    # But we need a configuration result that is valid in both modes.
    gl_cv_func_working_mktime=no
  fi
  AC_CACHE_CHECK([for working mktime], [gl_cv_func_working_mktime],
    [AC_RUN_IFELSE(
       [AC_LANG_SOURCE(
[[/* Test program from Paul Eggert and Tony Leneis.  */
#include <limits.h>
#include <stdlib.h>
#include <time.h>

#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif

#if HAVE_DECL_ALARM
# include <signal.h>
#endif

/* Work around redefinition to rpl_putenv by other config tests.  */
#undef putenv

static time_t time_t_max;
static time_t time_t_min;

/* Values we'll use to set the TZ environment variable.  */
static char *tz_strings[] = {
  (char *) 0, "TZ=GMT0", "TZ=JST-9",
  "TZ=EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00"
};
#define N_STRINGS (sizeof (tz_strings) / sizeof (tz_strings[0]))

/* Return 0 if mktime fails to convert a date in the spring-forward gap.
   Based on a problem report from Andreas Jaeger.  */
static int
spring_forward_gap ()
{
  /* glibc (up to about 1998-10-07) failed this test. */
  struct tm tm;

  /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0"
     instead of "TZ=America/Vancouver" in order to detect the bug even
     on systems that don't support the Olson extension, or don't have the
     full zoneinfo tables installed.  */
  putenv ("TZ=PST8PDT,M4.1.0,M10.5.0");

  tm.tm_year = 98;
  tm.tm_mon = 3;
  tm.tm_mday = 5;
  tm.tm_hour = 2;
  tm.tm_min = 0;
  tm.tm_sec = 0;
  tm.tm_isdst = -1;
  return mktime (&tm) != (time_t) -1;
}

static int
mktime_test1 (time_t now)
{
  struct tm *lt;
  return ! (lt = localtime (&now)) || mktime (lt) == now;
}

static int
mktime_test (time_t now)
{
  return (mktime_test1 (now)
          && mktime_test1 ((time_t) (time_t_max - now))
          && mktime_test1 ((time_t) (time_t_min + now)));
}

static int
irix_6_4_bug ()
{
  /* Based on code from Ariel Faigon.  */
  struct tm tm;
  tm.tm_year = 96;
  tm.tm_mon = 3;
  tm.tm_mday = 0;
  tm.tm_hour = 0;
  tm.tm_min = 0;
  tm.tm_sec = 0;
  tm.tm_isdst = -1;
  mktime (&tm);
  return tm.tm_mon == 2 && tm.tm_mday == 31;
}

static int
bigtime_test (int j)
{
  struct tm tm;
  time_t now;
  tm.tm_year = tm.tm_mon = tm.tm_mday = tm.tm_hour = tm.tm_min = tm.tm_sec = j;
  now = mktime (&tm);
  if (now != (time_t) -1)
    {
      struct tm *lt = localtime (&now);
      if (! (lt
             && lt->tm_year == tm.tm_year
             && lt->tm_mon == tm.tm_mon
             && lt->tm_mday == tm.tm_mday
             && lt->tm_hour == tm.tm_hour
             && lt->tm_min == tm.tm_min
             && lt->tm_sec == tm.tm_sec
             && lt->tm_yday == tm.tm_yday
             && lt->tm_wday == tm.tm_wday
             && ((lt->tm_isdst < 0 ? -1 : 0 < lt->tm_isdst)
                  == (tm.tm_isdst < 0 ? -1 : 0 < tm.tm_isdst))))
        return 0;
    }
  return 1;
}

static int
year_2050_test ()
{
  /* The correct answer for 2050-02-01 00:00:00 in Pacific time,
     ignoring leap seconds.  */
  unsigned long int answer = 2527315200UL;

  struct tm tm;
  time_t t;
  tm.tm_year = 2050 - 1900;
  tm.tm_mon = 2 - 1;
  tm.tm_mday = 1;
  tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
  tm.tm_isdst = -1;

  /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0"
     instead of "TZ=America/Vancouver" in order to detect the bug even
     on systems that don't support the Olson extension, or don't have the
     full zoneinfo tables installed.  */
  putenv ("TZ=PST8PDT,M4.1.0,M10.5.0");

  t = mktime (&tm);

  /* Check that the result is either a failure, or close enough
     to the correct answer that we can assume the discrepancy is
     due to leap seconds.  */
  return (t == (time_t) -1
          || (0 < t && answer - 120 <= t && t <= answer + 120));
}

int
main ()
{
  int result = 0;
  time_t t, delta;
  int i, j;
  int time_t_signed_magnitude = (time_t) ~ (time_t) 0 < (time_t) -1;

#if HAVE_DECL_ALARM
  /* This test makes some buggy mktime implementations loop.
     Give up after 60 seconds; a mktime slower than that
     isn't worth using anyway.  */
  signal (SIGALRM, SIG_DFL);
  alarm (60);
#endif

  time_t_max = (! TIME_T_IS_SIGNED
                ? (time_t) -1
                : ((((time_t) 1 << (sizeof (time_t) * CHAR_BIT - 2)) - 1)
                   * 2 + 1));
  time_t_min = (! TIME_T_IS_SIGNED
                ? (time_t) 0
                : time_t_signed_magnitude
                ? ~ (time_t) 0
                : ~ time_t_max);

  delta = time_t_max / 997; /* a suitable prime number */
  for (i = 0; i < N_STRINGS; i++)
    {
      if (tz_strings[i])
        putenv (tz_strings[i]);

      for (t = 0; t <= time_t_max - delta && (result & 1) == 0; t += delta)
        if (! mktime_test (t))
          result |= 1;
      if ((result & 2) == 0
          && ! (mktime_test ((time_t) 1)
                && mktime_test ((time_t) (60 * 60))
                && mktime_test ((time_t) (60 * 60 * 24))))
        result |= 2;

      for (j = 1; (result & 4) == 0; j <<= 1)
        {
          if (! bigtime_test (j))
            result |= 4;
          if (INT_MAX / 2 < j)
            break;
        }
      if ((result & 8) == 0 && ! bigtime_test (INT_MAX))
        result |= 8;
    }
  if (! irix_6_4_bug ())
    result |= 16;
  if (! spring_forward_gap ())
    result |= 32;
  if (! year_2050_test ())
    result |= 64;
  return result;
}]])],
       [gl_cv_func_working_mktime=yes],
       [gl_cv_func_working_mktime=no],
       [gl_cv_func_working_mktime="guessing no"])
    ])
])
m4trace:m4/mktime.m4:247: -1- AC_DEFUN([gl_FUNC_MKTIME], [
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_FUNC_MKTIME_WORKS])

  REPLACE_MKTIME=0
  if test "$gl_cv_func_working_mktime" != yes; then
    REPLACE_MKTIME=1
    AC_DEFINE([NEED_MKTIME_WORKING], [1],
      [Define if the compilation of mktime.c should define 'mktime'
       with the algorithmic workarounds.])
  fi
  case "$host_os" in
    mingw*)
      REPLACE_MKTIME=1
      AC_DEFINE([NEED_MKTIME_WINDOWS], [1],
        [Define if the compilation of mktime.c should define 'mktime'
         with the native Windows TZ workaround.])
      ;;
  esac
])
m4trace:m4/mktime.m4:271: -1- AC_DEFUN([gl_FUNC_MKTIME_INTERNAL], [
  AC_REQUIRE([gl_FUNC_MKTIME_WORKS])

  WANT_MKTIME_INTERNAL=0
  dnl BeOS has __mktime_internal in libc, but other platforms don't.
  AC_CHECK_FUNC([__mktime_internal],
    [AC_DEFINE([mktime_internal], [__mktime_internal],
       [Define to the real name of the mktime_internal function.])
    ],
    [dnl mktime works but it doesn't export __mktime_internal,
     dnl so we need to substitute our own mktime implementation.
     WANT_MKTIME_INTERNAL=1
     AC_DEFINE([NEED_MKTIME_INTERNAL], [1],
       [Define if the compilation of mktime.c should define 'mktime_internal'.])
    ])
])
m4trace:m4/mktime.m4:289: -1- AC_DEFUN([gl_PREREQ_MKTIME], [:])
m4trace:m4/mmap-anon.m4:16: -1- AC_DEFUN([gl_FUNC_MMAP_ANON], [
  dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  # Check for mmap(). Don't use AC_FUNC_MMAP, because it checks too much: it
  # fails on HP-UX 11, because MAP_FIXED mappings do not work. But this is
  # irrelevant for anonymous mappings.
  AC_CHECK_FUNC([mmap], [gl_have_mmap=yes], [gl_have_mmap=no])

  # Try to allow MAP_ANONYMOUS.
  gl_have_mmap_anonymous=no
  if test $gl_have_mmap = yes; then
    AC_MSG_CHECKING([for MAP_ANONYMOUS])
    AC_EGREP_CPP([I cannot identify this map], [
#include <sys/mman.h>
#ifdef MAP_ANONYMOUS
    I cannot identify this map
#endif
],
      [gl_have_mmap_anonymous=yes])
    if test $gl_have_mmap_anonymous != yes; then
      AC_EGREP_CPP([I cannot identify this map], [
#include <sys/mman.h>
#ifdef MAP_ANON
    I cannot identify this map
#endif
],
        [AC_DEFINE([MAP_ANONYMOUS], [MAP_ANON],
          [Define to a substitute value for mmap()'s MAP_ANONYMOUS flag.])
         gl_have_mmap_anonymous=yes])
    fi
    AC_MSG_RESULT([$gl_have_mmap_anonymous])
    if test $gl_have_mmap_anonymous = yes; then
      AC_DEFINE([HAVE_MAP_ANONYMOUS], [1],
        [Define to 1 if mmap()'s MAP_ANONYMOUS flag is available after including
         config.h and <sys/mman.h>.])
    fi
  fi
])
m4trace:m4/mode_t.m4:12: -1- AC_DEFUN([gl_PROMOTED_TYPE_MODE_T], [
  AC_REQUIRE([AC_TYPE_MODE_T])
  AC_CACHE_CHECK([for promoted mode_t type], [gl_cv_promoted_mode_t], [
    dnl Assume mode_t promotes to 'int' if and only if it is smaller than 'int',
    dnl and to itself otherwise. This assumption is not guaranteed by the ISO C
    dnl standard, but we don't know of any real-world counterexamples.
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]],
      [[typedef int array[2 * (sizeof (mode_t) < sizeof (int)) - 1];]])],
      [gl_cv_promoted_mode_t='int'],
      [gl_cv_promoted_mode_t='mode_t'])
  ])
  AC_DEFINE_UNQUOTED([PROMOTED_MODE_T], [$gl_cv_promoted_mode_t],
    [Define to the type that is the result of default argument promotions of type mode_t.])
])
m4trace:m4/msvc-inval.m4:7: -1- AC_DEFUN([gl_MSVC_INVAL], [
  AC_CHECK_FUNCS_ONCE([_set_invalid_parameter_handler])
  if test $ac_cv_func__set_invalid_parameter_handler = yes; then
    HAVE_MSVC_INVALID_PARAMETER_HANDLER=1
    AC_DEFINE([HAVE_MSVC_INVALID_PARAMETER_HANDLER], [1],
      [Define to 1 on MSVC platforms that have the "invalid parameter handler"
       concept.])
  else
    HAVE_MSVC_INVALID_PARAMETER_HANDLER=0
  fi
  AC_SUBST([HAVE_MSVC_INVALID_PARAMETER_HANDLER])
])
m4trace:m4/msvc-nothrow.m4:7: -1- AC_DEFUN([gl_MSVC_NOTHROW], [
  AC_REQUIRE([gl_MSVC_INVAL])
])
m4trace:m4/multiarch.m4:21: -1- AC_DEFUN_ONCE([gl_MULTIARCH], [
  dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN.
  gl_cv_c_multiarch=no
  AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE(
      [[#ifndef __APPLE_CC__
         not a universal capable compiler
        #endif
        typedef int dummy;
      ]])],
    [
     dnl Check for potential -arch flags.  It is not universal unless
     dnl there are at least two -arch flags with different values.
     arch=
     prev=
     for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do
       if test -n "$prev"; then
         case $word in
           i?86 | x86_64 | ppc | ppc64)
             if test -z "$arch" || test "$arch" = "$word"; then
               arch="$word"
             else
               gl_cv_c_multiarch=yes
             fi
             ;;
         esac
         prev=
       else
         if test "x$word" = "x-arch"; then
           prev=arch
         fi
       fi
     done
    ])
  if test $gl_cv_c_multiarch = yes; then
    APPLE_UNIVERSAL_BUILD=1
  else
    APPLE_UNIVERSAL_BUILD=0
  fi
  AC_SUBST([APPLE_UNIVERSAL_BUILD])
])
m4trace:m4/nanosleep.m4:14: -1- AC_DEFUN([gl_FUNC_NANOSLEEP], [
 AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

 dnl Persuade glibc and Solaris <time.h> to declare nanosleep.
 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

 AC_CHECK_HEADERS_ONCE([sys/time.h])
 AC_REQUIRE([gl_FUNC_SELECT])

 nanosleep_save_libs=$LIBS

 # Solaris 2.5.1 needs -lposix4 to get the nanosleep function.
 # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
 LIB_NANOSLEEP=
 AC_SUBST([LIB_NANOSLEEP])
 AC_SEARCH_LIBS([nanosleep], [rt posix4],
                [test "$ac_cv_search_nanosleep" = "none required" ||
                 LIB_NANOSLEEP=$ac_cv_search_nanosleep])
 if test "x$ac_cv_search_nanosleep" != xno; then
   dnl The system has a nanosleep function.

   AC_REQUIRE([gl_MULTIARCH])
   if test $APPLE_UNIVERSAL_BUILD = 1; then
     # A universal build on Apple Mac OS X platforms.
     # The test result would be 'no (mishandles large arguments)' in 64-bit
     # mode but 'yes' in 32-bit mode. But we need a configuration result that
     # is valid in both modes.
     gl_cv_func_nanosleep='no (mishandles large arguments)'
   fi

   AC_CACHE_CHECK([for working nanosleep],
    [gl_cv_func_nanosleep],
    [
     AC_RUN_IFELSE(
       [AC_LANG_SOURCE([[
          #include <errno.h>
          #include <limits.h>
          #include <signal.h>
          #if HAVE_SYS_TIME_H
           #include <sys/time.h>
          #endif
          #include <time.h>
          #include <unistd.h>
          #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
          #define TYPE_MAXIMUM(t) \
            ((t) (! TYPE_SIGNED (t) \
                  ? (t) -1 \
                  : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))

          static void
          check_for_SIGALRM (int sig)
          {
            if (sig != SIGALRM)
              _exit (1);
          }

          int
          main ()
          {
            static struct timespec ts_sleep;
            static struct timespec ts_remaining;
            static struct sigaction act;
            /* Test for major problems first.  */
            if (! nanosleep)
              return 2;
            act.sa_handler = check_for_SIGALRM;
            sigemptyset (&act.sa_mask);
            sigaction (SIGALRM, &act, NULL);
            ts_sleep.tv_sec = 0;
            ts_sleep.tv_nsec = 1;
            alarm (1);
            if (nanosleep (&ts_sleep, NULL) != 0)
              return 3;
            /* Test for a minor problem: the handling of large arguments.  */
            ts_sleep.tv_sec = TYPE_MAXIMUM (time_t);
            ts_sleep.tv_nsec = 999999999;
            alarm (1);
            if (nanosleep (&ts_sleep, &ts_remaining) != -1)
              return 4;
            if (errno != EINTR)
              return 5;
            if (ts_remaining.tv_sec <= TYPE_MAXIMUM (time_t) - 10)
              return 6;
            return 0;
          }]])],
       [gl_cv_func_nanosleep=yes],
       [case $? in dnl (
        4|5|6) gl_cv_func_nanosleep='no (mishandles large arguments)';; dnl (
        *)   gl_cv_func_nanosleep=no;;
        esac],
       [case "$host_os" in dnl ((
          linux*) # Guess it halfway works when the kernel is Linux.
            gl_cv_func_nanosleep='guessing no (mishandles large arguments)' ;;
          *)      # If we don't know, assume the worst.
            gl_cv_func_nanosleep='guessing no' ;;
        esac
       ])
    ])
   case "$gl_cv_func_nanosleep" in
     *yes)
       REPLACE_NANOSLEEP=0
       ;;
     *)
       REPLACE_NANOSLEEP=1
       case "$gl_cv_func_nanosleep" in
         *"mishandles large arguments"*)
           AC_DEFINE([HAVE_BUG_BIG_NANOSLEEP], [1],
             [Define to 1 if nanosleep mishandles large arguments.])
           ;;
         *)
           # The replacement uses select(). Add $LIBSOCKET to $LIB_NANOSLEEP.
           for ac_lib in $LIBSOCKET; do
             case " $LIB_NANOSLEEP " in
               *" $ac_lib "*) ;;
               *) LIB_NANOSLEEP="$LIB_NANOSLEEP $ac_lib";;
             esac
           done
           ;;
       esac
       ;;
   esac
 else
   HAVE_NANOSLEEP=0
 fi
 LIBS=$nanosleep_save_libs
])
m4trace:m4/nanosleep.m4:144: -1- AC_DEFUN([gl_PREREQ_NANOSLEEP], [
  AC_CHECK_HEADERS_ONCE([sys/select.h])
  gl_PREREQ_SIG_HANDLER_H
])
m4trace:m4/netinet_in_h.m4:7: -1- AC_DEFUN([gl_HEADER_NETINET_IN], [
  AC_CACHE_CHECK([whether <netinet/in.h> is self-contained],
    [gl_cv_header_netinet_in_h_selfcontained],
    [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])],
        [gl_cv_header_netinet_in_h_selfcontained=yes],
        [gl_cv_header_netinet_in_h_selfcontained=no])
    ])
  if test $gl_cv_header_netinet_in_h_selfcontained = yes; then
    NETINET_IN_H=''
  else
    NETINET_IN_H='netinet/in.h'
    AC_CHECK_HEADERS([netinet/in.h])
    gl_CHECK_NEXT_HEADERS([netinet/in.h])
    if test $ac_cv_header_netinet_in_h = yes; then
      HAVE_NETINET_IN_H=1
    else
      HAVE_NETINET_IN_H=0
    fi
    AC_SUBST([HAVE_NETINET_IN_H])
  fi
  AC_SUBST([NETINET_IN_H])
  AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"])
])
m4trace:m4/nl_langinfo.m4:7: -1- AC_DEFUN([gl_FUNC_NL_LANGINFO], [
  AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
  AC_REQUIRE([gl_LANGINFO_H])
  AC_CHECK_FUNCS_ONCE([nl_langinfo])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  if test $ac_cv_func_nl_langinfo = yes; then
    # On Irix 6.5, YESEXPR is defined, but nl_langinfo(YESEXPR) is broken.
    AC_CACHE_CHECK([whether YESEXPR works],
      [gl_cv_func_nl_langinfo_yesexpr_works],
      [AC_RUN_IFELSE(
         [AC_LANG_PROGRAM([[#include <langinfo.h>
]], [[return !*nl_langinfo(YESEXPR);
]])],
         [gl_cv_func_nl_langinfo_yesexpr_works=yes],
         [gl_cv_func_nl_langinfo_yesexpr_works=no],
         [
         case "$host_os" in
                   # Guess no on irix systems.
           irix*)  gl_cv_func_nl_langinfo_yesexpr_works="guessing no";;
                   # Guess yes elsewhere.
           *)      gl_cv_func_nl_langinfo_yesexpr_works="guessing yes";;
         esac
         ])
      ])
    case $gl_cv_func_nl_langinfo_yesexpr_works in
      *yes) FUNC_NL_LANGINFO_YESEXPR_WORKS=1 ;;
      *)    FUNC_NL_LANGINFO_YESEXPR_WORKS=0 ;;
    esac
    AC_DEFINE_UNQUOTED([FUNC_NL_LANGINFO_YESEXPR_WORKS],
      [$FUNC_NL_LANGINFO_YESEXPR_WORKS],
      [Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string.])
    if test $HAVE_LANGINFO_CODESET = 1 && test $HAVE_LANGINFO_ERA = 1 \
        && test $FUNC_NL_LANGINFO_YESEXPR_WORKS = 1; then
      :
    else
      REPLACE_NL_LANGINFO=1
      AC_DEFINE([REPLACE_NL_LANGINFO], [1],
        [Define if nl_langinfo exists but is overridden by gnulib.])
    fi
  else
    HAVE_NL_LANGINFO=0
  fi
])
m4trace:m4/nls.m4:23: -1- AC_DEFUN([AM_NLS], [
  AC_MSG_CHECKING([whether NLS is requested])
  dnl Default is enabled NLS
  AC_ARG_ENABLE([nls],
    [  --disable-nls           do not use Native Language Support],
    USE_NLS=$enableval, USE_NLS=yes)
  AC_MSG_RESULT([$USE_NLS])
  AC_SUBST([USE_NLS])
])
m4trace:m4/nocrash.m4:18: -1- AC_DEFUN([GL_NOCRASH], [[
#include <stdlib.h>
#if defined __MACH__ && defined __APPLE__
/* Avoid a crash on Mac OS X.  */
#include <mach/mach.h>
#include <mach/mach_error.h>
#include <mach/thread_status.h>
#include <mach/exception.h>
#include <mach/task.h>
#include <pthread.h>
/* The exception port on which our thread listens.  */
static mach_port_t our_exception_port;
/* The main function of the thread listening for exceptions of type
   EXC_BAD_ACCESS.  */
static void *
mach_exception_thread (void *arg)
{
  /* Buffer for a message to be received.  */
  struct {
    mach_msg_header_t head;
    mach_msg_body_t msgh_body;
    char data[1024];
  } msg;
  mach_msg_return_t retval;
  /* Wait for a message on the exception port.  */
  retval = mach_msg (&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE, 0, sizeof (msg),
                     our_exception_port, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
  if (retval != MACH_MSG_SUCCESS)
    abort ();
  exit (1);
}
static void
nocrash_init (void)
{
  mach_port_t self = mach_task_self ();
  /* Allocate a port on which the thread shall listen for exceptions.  */
  if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
      == KERN_SUCCESS) {
    /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
    if (mach_port_insert_right (self, our_exception_port, our_exception_port,
                                MACH_MSG_TYPE_MAKE_SEND)
        == KERN_SUCCESS) {
      /* The exceptions we want to catch.  Only EXC_BAD_ACCESS is interesting
         for us.  */
      exception_mask_t mask = EXC_MASK_BAD_ACCESS;
      /* Create the thread listening on the exception port.  */
      pthread_attr_t attr;
      pthread_t thread;
      if (pthread_attr_init (&attr) == 0
          && pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED) == 0
          && pthread_create (&thread, &attr, mach_exception_thread, NULL) == 0) {
        pthread_attr_destroy (&attr);
        /* Replace the exception port info for these exceptions with our own.
           Note that we replace the exception port for the entire task, not only
           for a particular thread.  This has the effect that when our exception
           port gets the message, the thread specific exception port has already
           been asked, and we don't need to bother about it.
           See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
        task_set_exception_ports (self, mask, our_exception_port,
                                  EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
      }
    }
  }
}
#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
/* Avoid a crash on native Windows.  */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winerror.h>
static LONG WINAPI
exception_filter (EXCEPTION_POINTERS *ExceptionInfo)
{
  switch (ExceptionInfo->ExceptionRecord->ExceptionCode)
    {
    case EXCEPTION_ACCESS_VIOLATION:
    case EXCEPTION_IN_PAGE_ERROR:
    case EXCEPTION_STACK_OVERFLOW:
    case EXCEPTION_GUARD_PAGE:
    case EXCEPTION_PRIV_INSTRUCTION:
    case EXCEPTION_ILLEGAL_INSTRUCTION:
    case EXCEPTION_DATATYPE_MISALIGNMENT:
    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
    case EXCEPTION_NONCONTINUABLE_EXCEPTION:
      exit (1);
    }
  return EXCEPTION_CONTINUE_SEARCH;
}
static void
nocrash_init (void)
{
  SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) exception_filter);
}
#else
/* Avoid a crash on POSIX systems.  */
#include <signal.h>
#include <unistd.h>
/* A POSIX signal handler.  */
static void
exception_handler (int sig)
{
  _exit (1);
}
static void
nocrash_init (void)
{
#ifdef SIGSEGV
  signal (SIGSEGV, exception_handler);
#endif
#ifdef SIGBUS
  signal (SIGBUS, exception_handler);
#endif
}
#endif
]])
m4trace:m4/off_t.m4:10: -1- AC_DEFUN([gl_TYPE_OFF_T], [
  m4_ifdef([gl_LARGEFILE], [
    AC_REQUIRE([gl_LARGEFILE])
  ], [
    WINDOWS_64_BIT_OFF_T=0
  ])
  AC_SUBST([WINDOWS_64_BIT_OFF_T])
])
m4trace:m4/open.m4:7: -1- AC_DEFUN([gl_FUNC_OPEN], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  case "$host_os" in
    mingw* | pw*)
      REPLACE_OPEN=1
      ;;
    *)
      dnl open("foo/") should not create a file when the file name has a
      dnl trailing slash.  FreeBSD only has the problem on symlinks.
      AC_CHECK_FUNCS_ONCE([lstat])
      AC_CACHE_CHECK([whether open recognizes a trailing slash],
        [gl_cv_func_open_slash],
        [# Assume that if we have lstat, we can also check symlinks.
          if test $ac_cv_func_lstat = yes; then
            touch conftest.tmp
            ln -s conftest.tmp conftest.lnk
          fi
          AC_RUN_IFELSE(
            [AC_LANG_SOURCE([[
#include <fcntl.h>
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
int main ()
{
  int result = 0;
#if HAVE_LSTAT
  if (open ("conftest.lnk/", O_RDONLY) != -1)
    result |= 1;
#endif
  if (open ("conftest.sl/", O_CREAT, 0600) >= 0)
    result |= 2;
  return result;
}]])],
            [gl_cv_func_open_slash=yes],
            [gl_cv_func_open_slash=no],
            [
changequote(,)dnl
             case "$host_os" in
               freebsd* | aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*)
                 gl_cv_func_open_slash="guessing no" ;;
               *)
                 gl_cv_func_open_slash="guessing yes" ;;
             esac
changequote([,])dnl
            ])
          rm -f conftest.sl conftest.tmp conftest.lnk
        ])
      case "$gl_cv_func_open_slash" in
        *no)
          AC_DEFINE([OPEN_TRAILING_SLASH_BUG], [1],
            [Define to 1 if open() fails to recognize a trailing slash.])
          REPLACE_OPEN=1
          ;;
      esac
      ;;
  esac
  dnl Replace open() for supporting the gnulib-defined fchdir() function,
  dnl to keep fchdir's bookkeeping up-to-date.
  m4_ifdef([gl_FUNC_FCHDIR], [
    if test $REPLACE_OPEN = 0; then
      gl_TEST_FCHDIR
      if test $HAVE_FCHDIR = 0; then
        REPLACE_OPEN=1
      fi
    fi
  ])
  dnl Replace open() for supporting the gnulib-defined O_NONBLOCK flag.
  m4_ifdef([gl_NONBLOCKING_IO], [
    if test $REPLACE_OPEN = 0; then
      gl_NONBLOCKING_IO
      if test $gl_cv_have_open_O_NONBLOCK != yes; then
        REPLACE_OPEN=1
      fi
    fi
  ])
])
m4trace:m4/open.m4:87: -1- AC_DEFUN([gl_PREREQ_OPEN], [
  AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
  :
])
m4trace:m4/pathmax.m4:8: -1- AC_DEFUN([gl_PATHMAX], [
  dnl Prerequisites of lib/pathmax.h.
  AC_CHECK_HEADERS_ONCE([sys/param.h])
])
m4trace:m4/pathmax.m4:16: -1- AC_DEFUN([gl_PATHMAX_SNIPPET], [[
/* Arrange to define PATH_MAX, like "pathmax.h" does. */
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <limits.h>
#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
# include <sys/param.h>
#endif
#if !defined PATH_MAX && defined MAXPATHLEN
# define PATH_MAX MAXPATHLEN
#endif
#ifdef __hpux
# undef PATH_MAX
# define PATH_MAX 1024
#endif
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
# undef PATH_MAX
# define PATH_MAX 260
#endif
]])
m4trace:m4/pathmax.m4:39: -1- AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ], [
  AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h])
])
m4trace:m4/perror.m4:7: -1- AC_DEFUN([gl_FUNC_PERROR], [
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_REQUIRE([gl_HEADER_ERRNO_H])
  AC_REQUIRE([gl_FUNC_STRERROR_R])
  AC_REQUIRE([gl_FUNC_STRERROR_0])
  dnl We intentionally do not check for the broader REPLACE_STRERROR_R,
  dnl since on glibc systems, strerror_r is replaced only for signature
  dnl issues, and perror is just fine.  Rather, we only want to
  dnl replace perror if strerror_r was replaced for a content fix.
  if test "$ERRNO_H:$REPLACE_STRERROR_0" != :0; then
    dnl The system's perror() cannot know about the new errno values we add
    dnl to <errno.h>, or any fix for strerror(0). Replace it.
    REPLACE_PERROR=1
  fi
  case ${gl_cv_func_strerror_r_works-unset} in
    unset|*yes)
      AC_CACHE_CHECK([whether perror matches strerror],
        [gl_cv_func_perror_works],
        [AC_RUN_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <errno.h>
                #include <stdio.h>
                #include <stdlib.h>
                #include <string.h>
              ]],
              [[char *str = strerror (-1);
                if (!getenv("CONFTEST_OUTPUT")) return 0;
                if (!str) str = "";
                puts (str);
                errno = -1;
                perror ("");
                return 0;
              ]])],
           [if CONFTEST_OUTPUT=1 ./conftest$EXEEXT >conftest.txt1 2>conftest.txt2 \
               && cmp conftest.txt1 conftest.txt2 >/dev/null; then
              gl_cv_func_perror_works=yes
            else
              gl_cv_func_perror_works=no
            fi
            rm -rf conftest.txt1 conftest.txt2],
           [gl_cv_func_perror_works=no],
           [dnl Guess no when cross-compiling.
            gl_cv_func_perror_works="guessing no"
           ])
        ])
      if test "$gl_cv_func_perror_works" != yes; then
        REPLACE_PERROR=1
      fi
      ;;
    *)
      dnl The system's perror() probably inherits the bugs in the
      dnl system's strerror_r(). Replace it.
      REPLACE_PERROR=1
      ;;
  esac
])
m4trace:m4/pipe.m4:7: -1- AC_DEFUN([gl_FUNC_PIPE], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])

  AC_CHECK_FUNCS_ONCE([pipe])
  if test $ac_cv_func_pipe != yes; then
    HAVE_PIPE=0
  fi
])
m4trace:m4/po.m4:23: -1- AC_DEFUN([AM_PO_SUBDIRS], [
  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  AC_REQUIRE([AC_PROG_INSTALL])dnl
  AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  AC_REQUIRE([AC_PROG_SED])dnl
  AC_REQUIRE([AM_NLS])dnl

  dnl Release version of the gettext macros. This is used to ensure that
  dnl the gettext macros and po/Makefile.in.in are in sync.
  AC_SUBST([GETTEXT_MACRO_VERSION], [0.19])

  dnl Perform the following tests also if --disable-nls has been given,
  dnl because they are needed for "make dist" to work.

  dnl Search for GNU msgfmt in the PATH.
  dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
  dnl The second test excludes FreeBSD msgfmt.
  AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
    [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
     (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
    :)
  AC_PATH_PROG([GMSGFMT], [gmsgfmt], [$MSGFMT])

  dnl Test whether it is GNU msgfmt >= 0.15.
changequote(,)dnl
  case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;;
    *) MSGFMT_015=$MSGFMT ;;
  esac
changequote([,])dnl
  AC_SUBST([MSGFMT_015])
changequote(,)dnl
  case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;;
    *) GMSGFMT_015=$GMSGFMT ;;
  esac
changequote([,])dnl
  AC_SUBST([GMSGFMT_015])

  dnl Search for GNU xgettext 0.12 or newer in the PATH.
  dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
  dnl The second test excludes FreeBSD xgettext.
  AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
    [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
     (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
    :)
  dnl Remove leftover from FreeBSD xgettext call.
  rm -f messages.po

  dnl Test whether it is GNU xgettext >= 0.15.
changequote(,)dnl
  case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;;
    *) XGETTEXT_015=$XGETTEXT ;;
  esac
changequote([,])dnl
  AC_SUBST([XGETTEXT_015])

  dnl Search for GNU msgmerge 0.11 or newer in the PATH.
  AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
    [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :)

  dnl Installation directories.
  dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we
  dnl have to define it here, so that it can be used in po/Makefile.
  test -n "$localedir" || localedir='${datadir}/locale'
  AC_SUBST([localedir])

  dnl Support for AM_XGETTEXT_OPTION.
  test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS=
  AC_SUBST([XGETTEXT_EXTRA_OPTIONS])

  AC_CONFIG_COMMANDS([po-directories], [[
    for ac_file in $CONFIG_FILES; do
      # Support "outfile[:infile[:infile...]]"
      case "$ac_file" in
        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
      esac
      # PO directories have a Makefile.in generated from Makefile.in.in.
      case "$ac_file" in */Makefile.in)
        # Adjust a relative srcdir.
        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
        ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
        # In autoconf-2.13 it is called $ac_given_srcdir.
        # In autoconf-2.50 it is called $srcdir.
        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
        case "$ac_given_srcdir" in
          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
          /*) top_srcdir="$ac_given_srcdir" ;;
          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
        esac
        # Treat a directory as a PO directory if and only if it has a
        # POTFILES.in file. This allows packages to have multiple PO
        # directories under different names or in different locations.
        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
          rm -f "$ac_dir/POTFILES"
          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
          gt_tab=`printf '\t'`
          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
          POMAKEFILEDEPS="POTFILES.in"
          # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend
          # on $ac_dir but don't depend on user-specified configuration
          # parameters.
          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
            # The LINGUAS file contains the set of available languages.
            if test -n "$OBSOLETE_ALL_LINGUAS"; then
              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
            fi
            ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
            # Hide the ALL_LINGUAS assignment from automake < 1.5.
            eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
            POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
          else
            # The set of available languages was given in configure.in.
            # Hide the ALL_LINGUAS assignment from automake < 1.5.
            eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
          fi
          # Compute POFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
          # Compute UPDATEPOFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
          # Compute DUMMYPOFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
          # Compute GMOFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
          case "$ac_given_srcdir" in
            .) srcdirpre= ;;
            *) srcdirpre='$(srcdir)/' ;;
          esac
          POFILES=
          UPDATEPOFILES=
          DUMMYPOFILES=
          GMOFILES=
          for lang in $ALL_LINGUAS; do
            POFILES="$POFILES $srcdirpre$lang.po"
            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
          done
          # CATALOGS depends on both $ac_dir and the user's LINGUAS
          # environment variable.
          INST_LINGUAS=
          if test -n "$ALL_LINGUAS"; then
            for presentlang in $ALL_LINGUAS; do
              useit=no
              if test "%UNSET%" != "$LINGUAS"; then
                desiredlanguages="$LINGUAS"
              else
                desiredlanguages="$ALL_LINGUAS"
              fi
              for desiredlang in $desiredlanguages; do
                # Use the presentlang catalog if desiredlang is
                #   a. equal to presentlang, or
                #   b. a variant of presentlang (because in this case,
                #      presentlang can be used as a fallback for messages
                #      which are not translated in the desiredlang catalog).
                case "$desiredlang" in
                  "$presentlang"*) useit=yes;;
                esac
              done
              if test $useit = yes; then
                INST_LINGUAS="$INST_LINGUAS $presentlang"
              fi
            done
          fi
          CATALOGS=
          if test -n "$INST_LINGUAS"; then
            for lang in $INST_LINGUAS; do
              CATALOGS="$CATALOGS $lang.gmo"
            done
          fi
          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
            if test -f "$f"; then
              case "$f" in
                *.orig | *.bak | *~) ;;
                *) cat "$f" >> "$ac_dir/Makefile" ;;
              esac
            fi
          done
        fi
        ;;
      esac
    done]],
   [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
    # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it
    # from automake < 1.5.
    eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"'
    # Capture the value of LINGUAS because we need it to compute CATALOGS.
    LINGUAS="${LINGUAS-%UNSET%}"
   ])
])
m4trace:m4/po.m4:220: -1- AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE], [
  # When this code is run, in config.status, two variables have already been
  # set:
  # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in,
  # - LINGUAS is the value of the environment variable LINGUAS at configure
  #   time.

changequote(,)dnl
  # Adjust a relative srcdir.
  ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
  ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
  ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
  # In autoconf-2.13 it is called $ac_given_srcdir.
  # In autoconf-2.50 it is called $srcdir.
  test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
  case "$ac_given_srcdir" in
    .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
    /*) top_srcdir="$ac_given_srcdir" ;;
    *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
  esac

  # Find a way to echo strings without interpreting backslash.
  if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then
    gt_echo='echo'
  else
    if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then
      gt_echo='printf %s\n'
    else
      echo_func () {
        cat <<EOT
$*
EOT
      }
      gt_echo='echo_func'
    fi
  fi

  # A sed script that extracts the value of VARIABLE from a Makefile.
  tab=`printf '\t'`
  sed_x_variable='
# Test if the hold space is empty.
x
s/P/P/
x
ta
# Yes it was empty. Look if we have the expected variable definition.
/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=/{
  # Seen the first line of the variable definition.
  s/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=//
  ba
}
bd
:a
# Here we are processing a line from the variable definition.
# Remove comment, more precisely replace it with a space.
s/#.*$/ /
# See if the line ends in a backslash.
tb
:b
s/\\$//
# Print the line, without the trailing backslash.
p
tc
# There was no trailing backslash. The end of the variable definition is
# reached. Clear the hold space.
s/^.*$//
x
bd
:c
# A trailing backslash means that the variable definition continues in the
# next line. Put a nonempty string into the hold space to indicate this.
s/^.*$/P/
x
:d
'
changequote([,])dnl

  # Set POTFILES to the value of the Makefile variable POTFILES.
  sed_x_POTFILES=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`
  POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"`
  # Compute POTFILES_DEPS as
  #   $(foreach file, $(POTFILES), $(top_srcdir)/$(file))
  POTFILES_DEPS=
  for file in $POTFILES; do
    POTFILES_DEPS="$POTFILES_DEPS "'$(top_srcdir)/'"$file"
  done
  POMAKEFILEDEPS=""

  if test -n "$OBSOLETE_ALL_LINGUAS"; then
    test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
  fi
  if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
    # The LINGUAS file contains the set of available languages.
    ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
    POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
  else
    # Set ALL_LINGUAS to the value of the Makefile variable LINGUAS.
    sed_x_LINGUAS=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`
    ALL_LINGUAS_=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"`
  fi
  # Hide the ALL_LINGUAS assignment from automake < 1.5.
  eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
  # Compute POFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
  # Compute UPDATEPOFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
  # Compute DUMMYPOFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
  # Compute GMOFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
  # Compute PROPERTIESFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).properties)
  # Compute CLASSFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).class)
  # Compute QMFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm)
  # Compute MSGFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg)
  # Compute RESOURCESDLLFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll)
  case "$ac_given_srcdir" in
    .) srcdirpre= ;;
    *) srcdirpre='$(srcdir)/' ;;
  esac
  POFILES=
  UPDATEPOFILES=
  DUMMYPOFILES=
  GMOFILES=
  PROPERTIESFILES=
  CLASSFILES=
  QMFILES=
  MSGFILES=
  RESOURCESDLLFILES=
  for lang in $ALL_LINGUAS; do
    POFILES="$POFILES $srcdirpre$lang.po"
    UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
    DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
    GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
    PROPERTIESFILES="$PROPERTIESFILES \$(top_srcdir)/\$(DOMAIN)_$lang.properties"
    CLASSFILES="$CLASSFILES \$(top_srcdir)/\$(DOMAIN)_$lang.class"
    QMFILES="$QMFILES $srcdirpre$lang.qm"
    frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
    MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg"
    frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
    RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll"
  done
  # CATALOGS depends on both $ac_dir and the user's LINGUAS
  # environment variable.
  INST_LINGUAS=
  if test -n "$ALL_LINGUAS"; then
    for presentlang in $ALL_LINGUAS; do
      useit=no
      if test "%UNSET%" != "$LINGUAS"; then
        desiredlanguages="$LINGUAS"
      else
        desiredlanguages="$ALL_LINGUAS"
      fi
      for desiredlang in $desiredlanguages; do
        # Use the presentlang catalog if desiredlang is
        #   a. equal to presentlang, or
        #   b. a variant of presentlang (because in this case,
        #      presentlang can be used as a fallback for messages
        #      which are not translated in the desiredlang catalog).
        case "$desiredlang" in
          "$presentlang"*) useit=yes;;
        esac
      done
      if test $useit = yes; then
        INST_LINGUAS="$INST_LINGUAS $presentlang"
      fi
    done
  fi
  CATALOGS=
  JAVACATALOGS=
  QTCATALOGS=
  TCLCATALOGS=
  CSHARPCATALOGS=
  if test -n "$INST_LINGUAS"; then
    for lang in $INST_LINGUAS; do
      CATALOGS="$CATALOGS $lang.gmo"
      JAVACATALOGS="$JAVACATALOGS \$(DOMAIN)_$lang.properties"
      QTCATALOGS="$QTCATALOGS $lang.qm"
      frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
      TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg"
      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
      CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll"
    done
  fi

  sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
  tab=`printf '\t'`
  if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then
    # Add dependencies that cannot be formulated as a simple suffix rule.
    for lang in $ALL_LINGUAS; do
      frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
      cat >> "$ac_file.tmp" <<EOF
$frobbedlang.msg: $lang.po
${tab}@echo "\$(MSGFMT) -c --tcl -d \$(srcdir) -l $lang $srcdirpre$lang.po"; \
${tab}\$(MSGFMT) -c --tcl -d "\$(srcdir)" -l $lang $srcdirpre$lang.po || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
EOF
    done
  fi
  if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then
    # Add dependencies that cannot be formulated as a simple suffix rule.
    for lang in $ALL_LINGUAS; do
      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
      cat >> "$ac_file.tmp" <<EOF
$frobbedlang/\$(DOMAIN).resources.dll: $lang.po
${tab}@echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \
${tab}\$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
EOF
    done
  fi
  if test -n "$POMAKEFILEDEPS"; then
    cat >> "$ac_file.tmp" <<EOF
Makefile: $POMAKEFILEDEPS
EOF
  fi
  mv "$ac_file.tmp" "$ac_file"
])
m4trace:m4/po.m4:443: -1- AC_DEFUN([AM_XGETTEXT_OPTION_INIT], [
  XGETTEXT_EXTRA_OPTIONS=
])
m4trace:m4/po.m4:449: -1- AC_DEFUN([AM_XGETTEXT_OPTION], [
  AC_REQUIRE([AM_XGETTEXT_OPTION_INIT])
  XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS $1"
])
m4trace:m4/printf.m4:11: -1- AC_DEFUN([gl_PRINTF_SIZES_C99], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports size specifiers as in C99],
    [gl_cv_func_printf_sizes_c99],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#if HAVE_STDINT_H_WITH_UINTMAX
# include <stdint.h>
#endif
#if HAVE_INTTYPES_H_WITH_UINTMAX
# include <inttypes.h>
#endif
static char buf[100];
int main ()
{
  int result = 0;
#if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX
  buf[0] = '\0';
  if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0
      || strcmp (buf, "12345671 33") != 0)
    result |= 1;
#else
  result |= 1;
#endif
  buf[0] = '\0';
  if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0
      || strcmp (buf, "12345672 33") != 0)
    result |= 2;
  buf[0] = '\0';
  if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0
      || strcmp (buf, "12345673 33") != 0)
    result |= 4;
  buf[0] = '\0';
  if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0
      || strcmp (buf, "1.5 33") != 0)
    result |= 8;
  return result;
}]])],
        [gl_cv_func_printf_sizes_c99=yes],
        [gl_cv_func_printf_sizes_c99=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_printf_sizes_c99="guessing yes";;
                                 # Guess yes on FreeBSD >= 5.
           freebsd[1-4].*)       gl_cv_func_printf_sizes_c99="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_printf_sizes_c99="guessing no";;
           darwin*)              gl_cv_func_printf_sizes_c99="guessing yes";;
                                 # Guess yes on OpenBSD >= 3.9.
           openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
                                 gl_cv_func_printf_sizes_c99="guessing no";;
           openbsd*)             gl_cv_func_printf_sizes_c99="guessing yes";;
                                 # Guess yes on Solaris >= 2.10.
           solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
           solaris*)             gl_cv_func_printf_sizes_c99="guessing no";;
                                 # Guess yes on NetBSD >= 3.
           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                 gl_cv_func_printf_sizes_c99="guessing no";;
           netbsd*)              gl_cv_func_printf_sizes_c99="guessing yes";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_printf_sizes_c99="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:94: -1- AC_DEFUN([gl_PRINTF_LONG_DOUBLE], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports 'long double' arguments],
    [gl_cv_func_printf_long_double],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[10000];
int main ()
{
  int result = 0;
  buf[0] = '\0';
  if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
      || strcmp (buf, "1.750000 33") != 0)
    result |= 1;
  buf[0] = '\0';
  if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
      || strcmp (buf, "1.750000e+00 33") != 0)
    result |= 2;
  buf[0] = '\0';
  if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
      || strcmp (buf, "1.75 33") != 0)
    result |= 4;
  return result;
}]])],
        [gl_cv_func_printf_long_double=yes],
        [gl_cv_func_printf_long_double=no],
        [
changequote(,)dnl
         case "$host_os" in
           beos*)        gl_cv_func_printf_long_double="guessing no";;
           mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
           *)            gl_cv_func_printf_long_double="guessing yes";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:142: -1- AC_DEFUN([gl_PRINTF_INFINITE], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports infinite 'double' arguments],
    [gl_cv_func_printf_infinite],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static int
strisnan (const char *string, size_t start_index, size_t end_index)
{
  if (start_index < end_index)
    {
      if (string[start_index] == '-')
        start_index++;
      if (start_index + 3 <= end_index
          && memcmp (string + start_index, "nan", 3) == 0)
        {
          start_index += 3;
          if (start_index == end_index
              || (string[start_index] == '(' && string[end_index - 1] == ')'))
            return 1;
        }
    }
  return 0;
}
static int
have_minus_zero ()
{
  static double plus_zero = 0.0;
  double minus_zero = - plus_zero;
  return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
}
static char buf[10000];
static double zero = 0.0;
int main ()
{
  int result = 0;
  if (sprintf (buf, "%f", 1.0 / zero) < 0
      || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%f", -1.0 / zero) < 0
      || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%f", zero / zero) < 0
      || !strisnan (buf, 0, strlen (buf)))
    result |= 2;
  if (sprintf (buf, "%e", 1.0 / zero) < 0
      || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
    result |= 4;
  if (sprintf (buf, "%e", -1.0 / zero) < 0
      || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
    result |= 4;
  if (sprintf (buf, "%e", zero / zero) < 0
      || !strisnan (buf, 0, strlen (buf)))
    result |= 8;
  if (sprintf (buf, "%g", 1.0 / zero) < 0
      || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
    result |= 16;
  if (sprintf (buf, "%g", -1.0 / zero) < 0
      || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
    result |= 16;
  if (sprintf (buf, "%g", zero / zero) < 0
      || !strisnan (buf, 0, strlen (buf)))
    result |= 32;
  /* This test fails on HP-UX 10.20.  */
  if (have_minus_zero ())
    if (sprintf (buf, "%g", - zero) < 0
        || strcmp (buf, "-0") != 0)
    result |= 64;
  return result;
}]])],
        [gl_cv_func_printf_infinite=yes],
        [gl_cv_func_printf_infinite=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_printf_infinite="guessing yes";;
                                 # Guess yes on FreeBSD >= 6.
           freebsd[1-5].*)       gl_cv_func_printf_infinite="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_printf_infinite="guessing no";;
           darwin*)              gl_cv_func_printf_infinite="guessing yes";;
                                 # Guess yes on HP-UX >= 11.
           hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";;
           hpux*)                gl_cv_func_printf_infinite="guessing yes";;
                                 # Guess yes on NetBSD >= 3.
           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                 gl_cv_func_printf_infinite="guessing no";;
           netbsd*)              gl_cv_func_printf_infinite="guessing yes";;
                                 # Guess yes on BeOS.
           beos*)                gl_cv_func_printf_infinite="guessing yes";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_printf_infinite="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:251: -1- AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE], [
  AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gl_BIGENDIAN])
  AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  dnl The user can set or unset the variable gl_printf_safe to indicate
  dnl that he wishes a safe handling of non-IEEE-754 'long double' values.
  if test -n "$gl_printf_safe"; then
    AC_DEFINE([CHECK_PRINTF_SAFE], [1],
      [Define if you wish *printf() functions that have a safe handling of
       non-IEEE-754 'long double' values.])
  fi
  case "$gl_cv_func_printf_long_double" in
    *yes)
      AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments],
        [gl_cv_func_printf_infinite_long_double],
        [
          AC_RUN_IFELSE(
            [AC_LANG_SOURCE([[
]GL_NOCRASH[
#include <float.h>
#include <stdio.h>
#include <string.h>
static int
strisnan (const char *string, size_t start_index, size_t end_index)
{
  if (start_index < end_index)
    {
      if (string[start_index] == '-')
        start_index++;
      if (start_index + 3 <= end_index
          && memcmp (string + start_index, "nan", 3) == 0)
        {
          start_index += 3;
          if (start_index == end_index
              || (string[start_index] == '(' && string[end_index - 1] == ')'))
            return 1;
        }
    }
  return 0;
}
static char buf[10000];
static long double zeroL = 0.0L;
int main ()
{
  int result = 0;
  nocrash_init();
  if (sprintf (buf, "%Lf", 1.0L / zeroL) < 0
      || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%Lf", -1.0L / zeroL) < 0
      || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%Lf", zeroL / zeroL) < 0
      || !strisnan (buf, 0, strlen (buf)))
    result |= 1;
  if (sprintf (buf, "%Le", 1.0L / zeroL) < 0
      || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%Le", -1.0L / zeroL) < 0
      || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%Le", zeroL / zeroL) < 0
      || !strisnan (buf, 0, strlen (buf)))
    result |= 1;
  if (sprintf (buf, "%Lg", 1.0L / zeroL) < 0
      || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%Lg", -1.0L / zeroL) < 0
      || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
    result |= 1;
  if (sprintf (buf, "%Lg", zeroL / zeroL) < 0
      || !strisnan (buf, 0, strlen (buf)))
    result |= 1;
#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Representation of an 80-bit 'long double' as an initializer for a sequence
   of 'unsigned int' words.  */
# ifdef WORDS_BIGENDIAN
#  define LDBL80_WORDS(exponent,manthi,mantlo) \
     { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
       ((unsigned int) (manthi) << 16) | ((unsigned int) (mantlo) >> 16),   \
       (unsigned int) (mantlo) << 16                                        \
     }
# else
#  define LDBL80_WORDS(exponent,manthi,mantlo) \
     { mantlo, manthi, exponent }
# endif
  { /* Quiet NaN.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) < 0
        || !strisnan (buf, 0, strlen (buf)))
      result |= 2;
    if (sprintf (buf, "%Le", x.value) < 0
        || !strisnan (buf, 0, strlen (buf)))
      result |= 2;
    if (sprintf (buf, "%Lg", x.value) < 0
        || !strisnan (buf, 0, strlen (buf)))
      result |= 2;
  }
  {
    /* Signalling NaN.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) < 0
        || !strisnan (buf, 0, strlen (buf)))
      result |= 2;
    if (sprintf (buf, "%Le", x.value) < 0
        || !strisnan (buf, 0, strlen (buf)))
      result |= 2;
    if (sprintf (buf, "%Lg", x.value) < 0
        || !strisnan (buf, 0, strlen (buf)))
      result |= 2;
  }
  { /* Pseudo-NaN.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) <= 0)
      result |= 4;
    if (sprintf (buf, "%Le", x.value) <= 0)
      result |= 4;
    if (sprintf (buf, "%Lg", x.value) <= 0)
      result |= 4;
  }
  { /* Pseudo-Infinity.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) <= 0)
      result |= 8;
    if (sprintf (buf, "%Le", x.value) <= 0)
      result |= 8;
    if (sprintf (buf, "%Lg", x.value) <= 0)
      result |= 8;
  }
  { /* Pseudo-Zero.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) <= 0)
      result |= 16;
    if (sprintf (buf, "%Le", x.value) <= 0)
      result |= 16;
    if (sprintf (buf, "%Lg", x.value) <= 0)
      result |= 16;
  }
  { /* Unnormalized number.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) <= 0)
      result |= 32;
    if (sprintf (buf, "%Le", x.value) <= 0)
      result |= 32;
    if (sprintf (buf, "%Lg", x.value) <= 0)
      result |= 32;
  }
  { /* Pseudo-Denormal.  */
    static union { unsigned int word[4]; long double value; } x =
      { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
    if (sprintf (buf, "%Lf", x.value) <= 0)
      result |= 64;
    if (sprintf (buf, "%Le", x.value) <= 0)
      result |= 64;
    if (sprintf (buf, "%Lg", x.value) <= 0)
      result |= 64;
  }
#endif
  return result;
}]])],
            [gl_cv_func_printf_infinite_long_double=yes],
            [gl_cv_func_printf_infinite_long_double=no],
            [
changequote(,)dnl
             case "$host_cpu" in
                                     # Guess no on ia64, x86_64, i386.
               ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";;
               *)
                 case "$host_os" in
                                         # Guess yes on glibc systems.
                   *-gnu*)               gl_cv_func_printf_infinite_long_double="guessing yes";;
                                         # Guess yes on FreeBSD >= 6.
                   freebsd[1-5].*)       gl_cv_func_printf_infinite_long_double="guessing no";;
                   freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
                                         # Guess yes on HP-UX >= 11.
                   hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
                   hpux*)                gl_cv_func_printf_infinite_long_double="guessing yes";;
                                         # If we don't know, assume the worst.
                   *)                    gl_cv_func_printf_infinite_long_double="guessing no";;
                 esac
                 ;;
             esac
changequote([,])dnl
            ])
        ])
      ;;
    *)
      gl_cv_func_printf_infinite_long_double="irrelevant"
      ;;
  esac
])
m4trace:m4/printf.m4:457: -1- AC_DEFUN([gl_PRINTF_DIRECTIVE_A], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives],
    [gl_cv_func_printf_directive_a],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
static double zero = 0.0;
int main ()
{
  int result = 0;
  if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0
      || (strcmp (buf, "0x1.922p+1 33") != 0
          && strcmp (buf, "0x3.244p+0 33") != 0
          && strcmp (buf, "0x6.488p-1 33") != 0
          && strcmp (buf, "0xc.91p-2 33") != 0))
    result |= 1;
  if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0
      || (strcmp (buf, "-0X1.922P+1 33") != 0
          && strcmp (buf, "-0X3.244P+0 33") != 0
          && strcmp (buf, "-0X6.488P-1 33") != 0
          && strcmp (buf, "-0XC.91P-2 33") != 0))
    result |= 2;
  /* This catches a FreeBSD 6.1 bug: it doesn't round.  */
  if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
      || (strcmp (buf, "0x1.83p+0 33") != 0
          && strcmp (buf, "0x3.05p-1 33") != 0
          && strcmp (buf, "0x6.0ap-2 33") != 0
          && strcmp (buf, "0xc.14p-3 33") != 0))
    result |= 4;
  /* This catches a Mac OS X 10.12.4 (Darwin 16.5) bug: it doesn't round.  */
  if (sprintf (buf, "%.0a %d", 1.51, 33, 44, 55) < 0
      || (strcmp (buf, "0x2p+0 33") != 0
          && strcmp (buf, "0x3p-1 33") != 0
          && strcmp (buf, "0x6p-2 33") != 0
          && strcmp (buf, "0xcp-3 33") != 0))
    result |= 4;
  /* This catches a FreeBSD 6.1 bug.  See
     <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
  if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0
      || buf[0] == '0')
    result |= 8;
  /* This catches a Mac OS X 10.3.9 (Darwin 7.9) bug.  */
  if (sprintf (buf, "%.1a", 1.999) < 0
      || (strcmp (buf, "0x1.0p+1") != 0
          && strcmp (buf, "0x2.0p+0") != 0
          && strcmp (buf, "0x4.0p-1") != 0
          && strcmp (buf, "0x8.0p-2") != 0))
    result |= 16;
  /* This catches the same Mac OS X 10.3.9 (Darwin 7.9) bug and also a
     glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>.  */
  if (sprintf (buf, "%.1La", 1.999L) < 0
      || (strcmp (buf, "0x1.0p+1") != 0
          && strcmp (buf, "0x2.0p+0") != 0
          && strcmp (buf, "0x4.0p-1") != 0
          && strcmp (buf, "0x8.0p-2") != 0))
    result |= 32;
  return result;
}]])],
        [gl_cv_func_printf_directive_a=yes],
        [gl_cv_func_printf_directive_a=no],
        [
         case "$host_os" in
                                 # Guess yes on glibc >= 2.5 systems.
           *-gnu*)
             AC_EGREP_CPP([BZ2908], [
               #include <features.h>
               #ifdef __GNU_LIBRARY__
                #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)) && !defined __UCLIBC__
                 BZ2908
                #endif
               #endif
               ],
               [gl_cv_func_printf_directive_a="guessing yes"],
               [gl_cv_func_printf_directive_a="guessing no"])
             ;;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_printf_directive_a="guessing no";;
         esac
        ])
    ])
])
m4trace:m4/printf.m4:549: -1- AC_DEFUN([gl_PRINTF_DIRECTIVE_F], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the 'F' directive],
    [gl_cv_func_printf_directive_f],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
static double zero = 0.0;
int main ()
{
  int result = 0;
  if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0
      || strcmp (buf, "1234567.000000 33") != 0)
    result |= 1;
  if (sprintf (buf, "%F", 1.0 / zero) < 0
      || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
    result |= 2;
  /* This catches a Cygwin 1.5.x bug.  */
  if (sprintf (buf, "%.F", 1234.0) < 0
      || strcmp (buf, "1234") != 0)
    result |= 4;
  return result;
}]])],
        [gl_cv_func_printf_directive_f=yes],
        [gl_cv_func_printf_directive_f=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_printf_directive_f="guessing yes";;
                                 # Guess yes on FreeBSD >= 6.
           freebsd[1-5].*)       gl_cv_func_printf_directive_f="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_printf_directive_f="guessing no";;
           darwin*)              gl_cv_func_printf_directive_f="guessing yes";;
                                 # Guess yes on Solaris >= 2.10.
           solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
           solaris*)             gl_cv_func_printf_sizes_c99="guessing no";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_printf_directive_f="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:605: -1- AC_DEFUN([gl_PRINTF_DIRECTIVE_N], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the 'n' directive],
    [gl_cv_func_printf_directive_n],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _MSC_VER
/* See page about "Parameter Validation" on msdn.microsoft.com.  */
static void cdecl
invalid_parameter_handler (const wchar_t *expression,
                           const wchar_t *function,
                           const wchar_t *file, unsigned int line,
                           uintptr_t dummy)
{
  exit (1);
}
#endif
static char fmtstring[10];
static char buf[100];
int main ()
{
  int count = -1;
#ifdef _MSC_VER
  _set_invalid_parameter_handler (invalid_parameter_handler);
#endif
  /* Copy the format string.  Some systems (glibc with _FORTIFY_SOURCE=2)
     support %n in format strings in read-only memory but not in writable
     memory.  */
  strcpy (fmtstring, "%d %n");
  if (sprintf (buf, fmtstring, 123, &count, 33, 44, 55) < 0
      || strcmp (buf, "123 ") != 0
      || count != 4)
    return 1;
  return 0;
}]])],
        [gl_cv_func_printf_directive_n=yes],
        [gl_cv_func_printf_directive_n=no],
        [
changequote(,)dnl
         case "$host_os" in
           mingw*) gl_cv_func_printf_directive_n="guessing no";;
           *)      gl_cv_func_printf_directive_n="guessing yes";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:666: -1- AC_DEFUN([gl_PRINTF_DIRECTIVE_LS], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the 'ls' directive],
    [gl_cv_func_printf_directive_ls],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
#include <string.h>
int main ()
{
  int result = 0;
  char buf[100];
  /* Test whether %ls works at all.
     This test fails on OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Haiku, but not on
     Cygwin 1.5.  */
  {
    static const wchar_t wstring[] = { 'a', 'b', 'c', 0 };
    buf[0] = '\0';
    if (sprintf (buf, "%ls", wstring) < 0
        || strcmp (buf, "abc") != 0)
      result |= 1;
  }
  /* This test fails on IRIX 6.5, Solaris 2.6, Cygwin 1.5, Haiku (with an
     assertion failure inside libc), but not on OpenBSD 4.0.  */
  {
    static const wchar_t wstring[] = { 'a', 0 };
    buf[0] = '\0';
    if (sprintf (buf, "%ls", wstring) < 0
        || strcmp (buf, "a") != 0)
      result |= 2;
  }
  /* Test whether precisions in %ls are supported as specified in ISO C 99
     section 7.19.6.1:
       "If a precision is specified, no more than that many bytes are written
        (including shift sequences, if any), and the array shall contain a
        null wide character if, to equal the multibyte character sequence
        length given by the precision, the function would need to access a
        wide character one past the end of the array."
     This test fails on Solaris 10.  */
  {
    static const wchar_t wstring[] = { 'a', 'b', (wchar_t) 0xfdfdfdfd, 0 };
    buf[0] = '\0';
    if (sprintf (buf, "%.2ls", wstring) < 0
        || strcmp (buf, "ab") != 0)
      result |= 8;
  }
  return result;
}]])],
        [gl_cv_func_printf_directive_ls=yes],
        [gl_cv_func_printf_directive_ls=no],
        [
changequote(,)dnl
         case "$host_os" in
           openbsd*)        gl_cv_func_printf_directive_ls="guessing no";;
           irix*)           gl_cv_func_printf_directive_ls="guessing no";;
           solaris*)        gl_cv_func_printf_directive_ls="guessing no";;
           cygwin*)         gl_cv_func_printf_directive_ls="guessing no";;
           beos* | haiku*)  gl_cv_func_printf_directive_ls="guessing no";;
           *)               gl_cv_func_printf_directive_ls="guessing yes";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:745: -1- AC_DEFUN([gl_PRINTF_POSITIONS], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions],
    [gl_cv_func_printf_positions],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
/* The string "%2$d %1$d", with dollar characters protected from the shell's
   dollar expansion (possibly an autoconf bug).  */
static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
static char buf[100];
int main ()
{
  sprintf (buf, format, 33, 55);
  return (strcmp (buf, "55 33") != 0);
}]])],
        [gl_cv_func_printf_positions=yes],
        [gl_cv_func_printf_positions=no],
        [
changequote(,)dnl
         case "$host_os" in
           netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
                         gl_cv_func_printf_positions="guessing no";;
           beos*)        gl_cv_func_printf_positions="guessing no";;
           mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
           *)            gl_cv_func_printf_positions="guessing yes";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:785: -1- AC_DEFUN([gl_PRINTF_FLAG_GROUPING], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the grouping flag],
    [gl_cv_func_printf_flag_grouping],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
int main ()
{
  if (sprintf (buf, "%'d %d", 1234567, 99) < 0
      || buf[strlen (buf) - 1] != '9')
    return 1;
  return 0;
}]])],
        [gl_cv_func_printf_flag_grouping=yes],
        [gl_cv_func_printf_flag_grouping=no],
        [
changequote(,)dnl
         case "$host_os" in
           cygwin*)      gl_cv_func_printf_flag_grouping="guessing no";;
           netbsd*)      gl_cv_func_printf_flag_grouping="guessing no";;
           mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
           *)            gl_cv_func_printf_flag_grouping="guessing yes";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:824: -1- AC_DEFUN([gl_PRINTF_FLAG_LEFTADJUST], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly],
    [gl_cv_func_printf_flag_leftadjust],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
int main ()
{
  /* Check that a '-' flag is not annihilated by a negative width.  */
  if (sprintf (buf, "a%-*sc", -3, "b") < 0
      || strcmp (buf, "ab  c") != 0)
    return 1;
  return 0;
}]])],
        [gl_cv_func_printf_flag_leftadjust=yes],
        [gl_cv_func_printf_flag_leftadjust=no],
        [
changequote(,)dnl
         case "$host_os" in
                    # Guess yes on HP-UX 11.
           hpux11*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
                    # Guess no on HP-UX 10 and older.
           hpux*)   gl_cv_func_printf_flag_leftadjust="guessing no";;
                    # Guess yes otherwise.
           *)       gl_cv_func_printf_flag_leftadjust="guessing yes";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:866: -1- AC_DEFUN([gl_PRINTF_FLAG_ZERO], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports the zero flag correctly],
    [gl_cv_func_printf_flag_zero],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
static double zero = 0.0;
int main ()
{
  if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0
      || (strcmp (buf, "       inf") != 0
          && strcmp (buf, "  infinity") != 0))
    return 1;
  return 0;
}]])],
        [gl_cv_func_printf_flag_zero=yes],
        [gl_cv_func_printf_flag_zero=no],
        [
changequote(,)dnl
         case "$host_os" in
                   # Guess yes on glibc systems.
           *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
                   # Guess yes on BeOS.
           beos*)  gl_cv_func_printf_flag_zero="guessing yes";;
                   # If we don't know, assume the worst.
           *)      gl_cv_func_printf_flag_zero="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:913: -1- AC_DEFUN([gl_PRINTF_PRECISION], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf supports large precisions],
    [gl_cv_func_printf_precision],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[5000];
int main ()
{
  int result = 0;
#ifdef __BEOS__
  /* On BeOS, this would crash and show a dialog box.  Avoid the crash.  */
  return 1;
#endif
  if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3)
    result |= 1;
  if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5)
    result |= 2;
  if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5
      || buf[0] != '1')
    result |= 4;
  if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5
      || buf[0] != '1')
    result |= 4;
  return result;
}]])],
        [gl_cv_func_printf_precision=yes],
        [gl_cv_func_printf_precision=no],
        [
changequote(,)dnl
         case "$host_os" in
           # Guess no only on Solaris, native Windows, and BeOS systems.
           solaris*)     gl_cv_func_printf_precision="guessing no" ;;
           mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
           beos*)        gl_cv_func_printf_precision="guessing no" ;;
           *)            gl_cv_func_printf_precision="guessing yes" ;;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:964: -1- AC_DEFUN([gl_PRINTF_ENOMEM], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gl_MULTIARCH])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether printf survives out-of-memory conditions],
    [gl_cv_func_printf_enomem],
    [
      gl_cv_func_printf_enomem="guessing no"
      if test "$cross_compiling" = no; then
        if test $APPLE_UNIVERSAL_BUILD = 0; then
          AC_LANG_CONFTEST([AC_LANG_SOURCE([
]GL_NOCRASH[
changequote(,)dnl
#include <stdio.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
int main()
{
  struct rlimit limit;
  int ret;
  nocrash_init ();
  /* Some printf implementations allocate temporary space with malloc.  */
  /* On BSD systems, malloc() is limited by RLIMIT_DATA.  */
#ifdef RLIMIT_DATA
  if (getrlimit (RLIMIT_DATA, &limit) < 0)
    return 77;
  if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
    limit.rlim_max = 5000000;
  limit.rlim_cur = limit.rlim_max;
  if (setrlimit (RLIMIT_DATA, &limit) < 0)
    return 77;
#endif
  /* On Linux systems, malloc() is limited by RLIMIT_AS.  */
#ifdef RLIMIT_AS
  if (getrlimit (RLIMIT_AS, &limit) < 0)
    return 77;
  if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
    limit.rlim_max = 5000000;
  limit.rlim_cur = limit.rlim_max;
  if (setrlimit (RLIMIT_AS, &limit) < 0)
    return 77;
#endif
  /* Some printf implementations allocate temporary space on the stack.  */
#ifdef RLIMIT_STACK
  if (getrlimit (RLIMIT_STACK, &limit) < 0)
    return 77;
  if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
    limit.rlim_max = 5000000;
  limit.rlim_cur = limit.rlim_max;
  if (setrlimit (RLIMIT_STACK, &limit) < 0)
    return 77;
#endif
  ret = printf ("%.5000000f", 1.0);
  return !(ret == 5000002 || (ret < 0 && errno == ENOMEM));
}
changequote([,])dnl
          ])])
          if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
            (./conftest 2>&AS_MESSAGE_LOG_FD
             result=$?
             _AS_ECHO_LOG([\$? = $result])
             if test $result != 0 && test $result != 77; then result=1; fi
             exit $result
            ) >/dev/null 2>/dev/null
            case $? in
              0) gl_cv_func_printf_enomem="yes" ;;
              77) gl_cv_func_printf_enomem="guessing no" ;;
              *) gl_cv_func_printf_enomem="no" ;;
            esac
          else
            gl_cv_func_printf_enomem="guessing no"
          fi
          rm -fr conftest*
        else
          dnl A universal build on Apple Mac OS X platforms.
          dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode.
          dnl But we need a configuration result that is valid in both modes.
          gl_cv_func_printf_enomem="guessing no"
        fi
      fi
      if test "$gl_cv_func_printf_enomem" = "guessing no"; then
changequote(,)dnl
        case "$host_os" in
                    # Guess yes on glibc systems.
          *-gnu*)   gl_cv_func_printf_enomem="guessing yes";;
                    # Guess yes on Solaris.
          solaris*) gl_cv_func_printf_enomem="guessing yes";;
                    # Guess yes on AIX.
          aix*)     gl_cv_func_printf_enomem="guessing yes";;
                    # Guess yes on HP-UX/hppa.
          hpux*)    case "$host_cpu" in
                      hppa*) gl_cv_func_printf_enomem="guessing yes";;
                      *)     gl_cv_func_printf_enomem="guessing no";;
                    esac
                    ;;
                    # Guess yes on IRIX.
          irix*)    gl_cv_func_printf_enomem="guessing yes";;
                    # Guess yes on OSF/1.
          osf*)     gl_cv_func_printf_enomem="guessing yes";;
                    # Guess yes on BeOS.
          beos*)    gl_cv_func_printf_enomem="guessing yes";;
                    # Guess yes on Haiku.
          haiku*)   gl_cv_func_printf_enomem="guessing yes";;
                    # If we don't know, assume the worst.
          *)        gl_cv_func_printf_enomem="guessing no";;
        esac
changequote([,])dnl
      fi
    ])
])
m4trace:m4/printf.m4:1081: -1- AC_DEFUN([gl_SNPRINTF_PRESENCE], [
  AC_CHECK_FUNCS_ONCE([snprintf])
])
m4trace:m4/printf.m4:1090: -1- AC_DEFUN([gl_SNPRINTF_TRUNCATION_C99], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([gl_SNPRINTF_PRESENCE])
  AC_CACHE_CHECK([whether snprintf truncates the result as in C99],
    [gl_cv_func_snprintf_truncation_c99],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
#if HAVE_SNPRINTF
# define my_snprintf snprintf
#else
# include <stdarg.h>
static int my_snprintf (char *buf, int size, const char *format, ...)
{
  va_list args;
  int ret;
  va_start (args, format);
  ret = vsnprintf (buf, size, format, args);
  va_end (args);
  return ret;
}
#endif
static char buf[100];
int main ()
{
  strcpy (buf, "ABCDEF");
  my_snprintf (buf, 3, "%d %d", 4567, 89);
  if (memcmp (buf, "45\0DEF", 6) != 0)
    return 1;
  return 0;
}]])],
        [gl_cv_func_snprintf_truncation_c99=yes],
        [gl_cv_func_snprintf_truncation_c99=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on FreeBSD >= 5.
           freebsd[1-4].*)       gl_cv_func_snprintf_truncation_c99="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_snprintf_truncation_c99="guessing no";;
           darwin*)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on OpenBSD >= 3.9.
           openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
           openbsd*)             gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on Solaris >= 2.6.
           solaris2.[0-5] | solaris2.[0-5].*)
                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
           solaris*)             gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on AIX >= 4.
           aix[1-3]*)            gl_cv_func_snprintf_truncation_c99="guessing no";;
           aix*)                 gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on HP-UX >= 11.
           hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
           hpux*)                gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on IRIX >= 6.5.
           irix6.5)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on OSF/1 >= 5.
           osf[3-4]*)            gl_cv_func_snprintf_truncation_c99="guessing no";;
           osf*)                 gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on NetBSD >= 3.
           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
           netbsd*)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # Guess yes on BeOS.
           beos*)                gl_cv_func_snprintf_truncation_c99="guessing yes";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_snprintf_truncation_c99="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:1186: -1- AC_DEFUN_ONCE([gl_SNPRINTF_RETVAL_C99], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([gl_SNPRINTF_PRESENCE])
  AC_CACHE_CHECK([whether snprintf returns a byte count as in C99],
    [gl_cv_func_snprintf_retval_c99],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
#if HAVE_SNPRINTF
# define my_snprintf snprintf
#else
# include <stdarg.h>
static int my_snprintf (char *buf, int size, const char *format, ...)
{
  va_list args;
  int ret;
  va_start (args, format);
  ret = vsnprintf (buf, size, format, args);
  va_end (args);
  return ret;
}
#endif
static char buf[100];
int main ()
{
  strcpy (buf, "ABCDEF");
  if (my_snprintf (buf, 3, "%d %d", 4567, 89) != 7)
    return 1;
  if (my_snprintf (buf, 0, "%d %d", 4567, 89) != 7)
    return 2;
  if (my_snprintf (NULL, 0, "%d %d", 4567, 89) != 7)
    return 3;
  return 0;
}]])],
        [gl_cv_func_snprintf_retval_c99=yes],
        [gl_cv_func_snprintf_retval_c99=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # Guess yes on FreeBSD >= 5.
           freebsd[1-4].*)       gl_cv_func_snprintf_retval_c99="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_snprintf_retval_c99="guessing no";;
           darwin*)              gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # Guess yes on OpenBSD >= 3.9.
           openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
                                 gl_cv_func_snprintf_retval_c99="guessing no";;
           openbsd*)             gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # Guess yes on Solaris >= 2.10.
           solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
           solaris*)             gl_cv_func_printf_sizes_c99="guessing no";;
                                 # Guess yes on AIX >= 4.
           aix[1-3]*)            gl_cv_func_snprintf_retval_c99="guessing no";;
           aix*)                 gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # Guess yes on NetBSD >= 3.
           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                 gl_cv_func_snprintf_retval_c99="guessing no";;
           netbsd*)              gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # Guess yes on BeOS.
           beos*)                gl_cv_func_snprintf_retval_c99="guessing yes";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_snprintf_retval_c99="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:1265: -1- AC_DEFUN([gl_SNPRINTF_DIRECTIVE_N], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([gl_SNPRINTF_PRESENCE])
  AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive],
    [gl_cv_func_snprintf_directive_n],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
#if HAVE_SNPRINTF
# define my_snprintf snprintf
#else
# include <stdarg.h>
static int my_snprintf (char *buf, int size, const char *format, ...)
{
  va_list args;
  int ret;
  va_start (args, format);
  ret = vsnprintf (buf, size, format, args);
  va_end (args);
  return ret;
}
#endif
static char fmtstring[10];
static char buf[100];
int main ()
{
  int count = -1;
  /* Copy the format string.  Some systems (glibc with _FORTIFY_SOURCE=2)
     support %n in format strings in read-only memory but not in writable
     memory.  */
  strcpy (fmtstring, "%d %n");
  my_snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55);
  if (count != 6)
    return 1;
  return 0;
}]])],
        [gl_cv_func_snprintf_directive_n=yes],
        [gl_cv_func_snprintf_directive_n=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on FreeBSD >= 5.
           freebsd[1-4].*)       gl_cv_func_snprintf_directive_n="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_snprintf_directive_n="guessing no";;
           darwin*)              gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on Solaris >= 2.6.
           solaris2.[0-5] | solaris2.[0-5].*)
                                 gl_cv_func_snprintf_directive_n="guessing no";;
           solaris*)             gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on AIX >= 4.
           aix[1-3]*)            gl_cv_func_snprintf_directive_n="guessing no";;
           aix*)                 gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on IRIX >= 6.5.
           irix6.5)              gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on OSF/1 >= 5.
           osf[3-4]*)            gl_cv_func_snprintf_directive_n="guessing no";;
           osf*)                 gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on NetBSD >= 3.
           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                 gl_cv_func_snprintf_directive_n="guessing no";;
           netbsd*)              gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # Guess yes on BeOS.
           beos*)                gl_cv_func_snprintf_directive_n="guessing yes";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_snprintf_directive_n="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/printf.m4:1349: -1- AC_DEFUN([gl_SNPRINTF_SIZE1], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([gl_SNPRINTF_PRESENCE])
  AC_CACHE_CHECK([whether snprintf respects a size of 1],
    [gl_cv_func_snprintf_size1],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdio.h>
#if HAVE_SNPRINTF
# define my_snprintf snprintf
#else
# include <stdarg.h>
static int my_snprintf (char *buf, int size, const char *format, ...)
{
  va_list args;
  int ret;
  va_start (args, format);
  ret = vsnprintf (buf, size, format, args);
  va_end (args);
  return ret;
}
#endif
int main()
{
  static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' };
  my_snprintf (buf, 1, "%d", 12345);
  return buf[1] != 'E';
}]])],
        [gl_cv_func_snprintf_size1=yes],
        [gl_cv_func_snprintf_size1=no],
        [gl_cv_func_snprintf_size1="guessing yes"])
    ])
])
m4trace:m4/printf.m4:1421: -1- AC_DEFUN([gl_VSNPRINTF_ZEROSIZE_C99], [
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99],
    [gl_cv_func_vsnprintf_zerosize_c99],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <stdarg.h>
#include <stdio.h>
static int my_snprintf (char *buf, int size, const char *format, ...)
{
  va_list args;
  int ret;
  va_start (args, format);
  ret = vsnprintf (buf, size, format, args);
  va_end (args);
  return ret;
}
int main()
{
  static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' };
  my_snprintf (buf, 0, "%d", 12345);
  return buf[0] != 'D';
}]])],
        [gl_cv_func_vsnprintf_zerosize_c99=yes],
        [gl_cv_func_vsnprintf_zerosize_c99=no],
        [
changequote(,)dnl
         case "$host_os" in
                                 # Guess yes on glibc systems.
           *-gnu*)               gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on FreeBSD >= 5.
           freebsd[1-4].*)       gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
           freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on Mac OS X >= 10.3.
           darwin[1-6].*)        gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
           darwin*)              gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on Cygwin.
           cygwin*)              gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on Solaris >= 2.6.
           solaris2.[0-5] | solaris2.[0-5].*)
                                 gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
           solaris*)             gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on AIX >= 4.
           aix[1-3]*)            gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
           aix*)                 gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on IRIX >= 6.5.
           irix6.5)              gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on NetBSD >= 3.
           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                 gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
           netbsd*)              gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on BeOS.
           beos*)                gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # Guess yes on mingw.
           mingw* | pw*)         gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
                                 # If we don't know, assume the worst.
           *)                    gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
         esac
changequote([,])dnl
        ])
    ])
])
m4trace:m4/progtest.m4:25: -1- AC_DEFUN([AM_PATH_PROG_WITH_TEST], [
# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
  # contains only /bin. Note that ksh looks also at the FPATH variable,
  # so we have to set that as well for the test.
  PATH_SEPARATOR=:
  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
           || PATH_SEPARATOR=';'
       }
fi

# Find out how to test for executable files. Don't use a zero-byte file,
# as systems may use methods other than mode bits to determine executability.
cat >conf$$.file <<_ASEOF
#! /bin/sh
exit 0
_ASEOF
chmod +x conf$$.file
if test -x conf$$.file >/dev/null 2>&1; then
  ac_executable_p="test -x"
else
  ac_executable_p="test -f"
fi
rm -f conf$$.file

# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL([ac_cv_path_$1],
[case "[$]$1" in
  [[\\/]]* | ?:[[\\/]]*)
    ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
    ;;
  *)
    ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
    for ac_dir in ifelse([$5], , $PATH, [$5]); do
      IFS="$ac_save_IFS"
      test -z "$ac_dir" && ac_dir=.
      for ac_exec_ext in '' $ac_executable_extensions; do
        if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
          echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
          if [$3]; then
            ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
            break 2
          fi
        fi
      done
    done
    IFS="$ac_save_IFS"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
    ;;
esac])dnl
$1="$ac_cv_path_$1"
if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
  AC_MSG_RESULT([$][$1])
else
  AC_MSG_RESULT([no])
fi
AC_SUBST([$1])dnl
])
m4trace:m4/putenv.m4:12: -1- AC_DEFUN([gl_FUNC_PUTENV], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([for putenv compatible with GNU and SVID],
   [gl_cv_func_svid_putenv],
   [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[[
    /* Put it in env.  */
    if (putenv ("CONFTEST_putenv=val"))
      return 1;

    /* Try to remove it.  */
    if (putenv ("CONFTEST_putenv"))
      return 2;

    /* Make sure it was deleted.  */
    if (getenv ("CONFTEST_putenv") != 0)
      return 3;

    return 0;
              ]])],
             gl_cv_func_svid_putenv=yes,
             gl_cv_func_svid_putenv=no,
             dnl When crosscompiling, assume putenv is broken.
             [case "$host_os" in
                        # Guess yes on glibc systems.
                *-gnu*) gl_cv_func_svid_putenv="guessing yes" ;;
                        # If we don't know, assume the worst.
                *)      gl_cv_func_svid_putenv="guessing no" ;;
              esac
             ])
   ])
  case "$gl_cv_func_svid_putenv" in
    *yes) ;;
    *)
      REPLACE_PUTENV=1
      ;;
  esac
])
m4trace:m4/putenv.m4:53: -1- AC_DEFUN([gl_PREREQ_PUTENV], [
  AC_CHECK_DECLS([_putenv])
])
m4trace:m4/quote.m4:8: -1- AC_DEFUN([gl_QUOTE], [
  dnl Prerequisites of lib/quote.c.
  dnl (none)
  :
])
m4trace:m4/quotearg.m4:7: -1- AC_DEFUN([gl_QUOTEARG], [
  :
])
m4trace:m4/raise.m4:7: -1- AC_DEFUN([gl_FUNC_RAISE], [
  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CHECK_FUNCS([raise])
  if test $ac_cv_func_raise = no; then
    HAVE_RAISE=0
  else
    m4_ifdef([gl_MSVC_INVAL], [
      AC_REQUIRE([gl_MSVC_INVAL])
      if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
        REPLACE_RAISE=1
      fi
    ])
    m4_ifdef([gl_SIGNALBLOCKING], [
      gl_SIGNALBLOCKING
      if test $HAVE_POSIX_SIGNALBLOCKING = 0; then
        m4_ifdef([gl_SIGNAL_SIGPIPE], [
          gl_SIGNAL_SIGPIPE
          if test $gl_cv_header_signal_h_SIGPIPE != yes; then
            REPLACE_RAISE=1
          fi
        ], [:])
      fi
    ])
  fi
])
m4trace:m4/raise.m4:36: -1- AC_DEFUN([gl_PREREQ_RAISE], [:])
m4trace:m4/rawmemchr.m4:7: -1- AC_DEFUN([gl_FUNC_RAWMEMCHR], [
  dnl Persuade glibc <string.h> to declare rawmemchr().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  AC_CHECK_FUNCS([rawmemchr])
  if test $ac_cv_func_rawmemchr = no; then
    HAVE_RAWMEMCHR=0
  fi
])
m4trace:m4/rawmemchr.m4:20: -1- AC_DEFUN([gl_PREREQ_RAWMEMCHR], [:])
m4trace:m4/readlink.m4:7: -1- AC_DEFUN([gl_FUNC_READLINK], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CHECK_FUNCS_ONCE([readlink])
  if test $ac_cv_func_readlink = no; then
    HAVE_READLINK=0
  else
    AC_CACHE_CHECK([whether readlink signature is correct],
      [gl_cv_decl_readlink_works],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
           [[#include <unistd.h>
      /* Cause compilation failure if original declaration has wrong type.  */
      ssize_t readlink (const char *, char *, size_t);]])],
         [gl_cv_decl_readlink_works=yes], [gl_cv_decl_readlink_works=no])])
    dnl Solaris 9 ignores trailing slash.
    dnl FreeBSD 7.2 dereferences only one level of links with trailing slash.
    AC_CACHE_CHECK([whether readlink handles trailing slash correctly],
      [gl_cv_func_readlink_works],
      [# We have readlink, so assume ln -s works.
       ln -s conftest.no-such conftest.link
       ln -s conftest.link conftest.lnk2
       AC_RUN_IFELSE(
         [AC_LANG_PROGRAM(
           [[#include <unistd.h>
]], [[char buf[20];
      return readlink ("conftest.lnk2/", buf, sizeof buf) != -1;]])],
         [gl_cv_func_readlink_works=yes], [gl_cv_func_readlink_works=no],
         [case "$host_os" in
                    # Guess yes on glibc systems.
            *-gnu*) gl_cv_func_readlink_works="guessing yes" ;;
                    # If we don't know, assume the worst.
            *)      gl_cv_func_readlink_works="guessing no" ;;
          esac
         ])
      rm -f conftest.link conftest.lnk2])
    case "$gl_cv_func_readlink_works" in
      *yes)
        if test "$gl_cv_decl_readlink_works" != yes; then
          REPLACE_READLINK=1
        fi
        ;;
      *)
        AC_DEFINE([READLINK_TRAILING_SLASH_BUG], [1], [Define to 1 if readlink
          fails to recognize a trailing slash.])
        REPLACE_READLINK=1
        ;;
    esac
  fi
])
m4trace:m4/readlink.m4:61: -1- AC_DEFUN([gl_FUNC_READLINK_SEPARATE], [
  AC_CHECK_FUNCS_ONCE([readlink])
  gl_PREREQ_READLINK
])
m4trace:m4/readlink.m4:68: -1- AC_DEFUN([gl_PREREQ_READLINK], [
  :
])
m4trace:m4/regex.m4:14: -1- AC_DEFUN([gl_REGEX], [
  AC_ARG_WITH([included-regex],
    [AS_HELP_STRING([--without-included-regex],
                    [don't compile regex; this is the default on systems
                     with recent-enough versions of the GNU C Library
                     (use with caution on other systems).])])

  case $with_included_regex in #(
  yes|no) ac_use_included_regex=$with_included_regex
        ;;
  '')
    # If the system regex support is good enough that it passes the
    # following run test, then default to *not* using the included regex.c.
    # If cross compiling, assume the test would fail and use the included
    # regex.c.
    AC_CHECK_DECLS_ONCE([alarm])
    AC_CHECK_HEADERS_ONCE([malloc.h])
    AC_CACHE_CHECK([for working re_compile_pattern],
                   [gl_cv_func_re_compile_pattern_working],
      [AC_RUN_IFELSE(
        [AC_LANG_PROGRAM(
          [[#include <regex.h>

            #include <locale.h>
            #include <limits.h>
            #include <string.h>

            #if defined M_CHECK_ACTION || HAVE_DECL_ALARM
            # include <signal.h>
            # include <unistd.h>
            #endif

            #if HAVE_MALLOC_H
            # include <malloc.h>
            #endif

            #ifdef M_CHECK_ACTION
            /* Exit with distinguishable exit code.  */
            static void sigabrt_no_core (int sig) { raise (SIGTERM); }
            #endif
          ]],
          [[int result = 0;
            static struct re_pattern_buffer regex;
            unsigned char folded_chars[UCHAR_MAX + 1];
            int i;
            const char *s;
            struct re_registers regs;

            /* Some builds of glibc go into an infinite loop on this
               test.  Use alarm to force death, and mallopt to avoid
               malloc recursion in diagnosing the corrupted heap. */
#if HAVE_DECL_ALARM
            signal (SIGALRM, SIG_DFL);
            alarm (2);
#endif
#ifdef M_CHECK_ACTION
            signal (SIGABRT, sigabrt_no_core);
            mallopt (M_CHECK_ACTION, 2);
#endif

            if (setlocale (LC_ALL, "en_US.UTF-8"))
              {
                {
                  /* http://sourceware.org/ml/libc-hacker/2006-09/msg00008.html
                     This test needs valgrind to catch the bug on Debian
                     GNU/Linux 3.1 x86, but it might catch the bug better
                     on other platforms and it shouldn't hurt to try the
                     test here.  */
                  static char const pat[] = "insert into";
                  static char const data[] =
                    "\xFF\0\x12\xA2\xAA\xC4\xB1,K\x12\xC4\xB1*\xACK";
                  re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE
                                 | RE_ICASE);
                  memset (&regex, 0, sizeof regex);
                  s = re_compile_pattern (pat, sizeof pat - 1, &regex);
                  if (s)
                    result |= 1;
                  else if (re_search (&regex, data, sizeof data - 1,
                                      0, sizeof data - 1, &regs)
                           != -1)
                    result |= 1;
                  regfree (&regex);
                }

                {
                  /* This test is from glibc bug 15078.
                     The test case is from Andreas Schwab in
                     <http://www.sourceware.org/ml/libc-alpha/2013-01/msg00967.html>.
                     */
                  static char const pat[] = "[^x]x";
                  static char const data[] =
                    /* <U1000><U103B><U103D><U1014><U103A><U102F><U1015><U103A> */
                    "\xe1\x80\x80"
                    "\xe1\x80\xbb"
                    "\xe1\x80\xbd"
                    "\xe1\x80\x94"
                    "\xe1\x80\xba"
                    "\xe1\x80\xaf"
                    "\xe1\x80\x95"
                    "\xe1\x80\xba"
                    "x";
                  re_set_syntax (0);
                  memset (&regex, 0, sizeof regex);
                  s = re_compile_pattern (pat, sizeof pat - 1, &regex);
                  if (s)
                    result |= 1;
                  else
                    {
                      i = re_search (&regex, data, sizeof data - 1,
                                     0, sizeof data - 1, 0);
                      if (i != 0 && i != 21)
                        result |= 1;
                    }
                  regfree (&regex);
                }

                if (! setlocale (LC_ALL, "C"))
                  return 1;
              }

            /* This test is from glibc bug 3957, reported by Andrew Mackey.  */
            re_set_syntax (RE_SYNTAX_EGREP | RE_HAT_LISTS_NOT_NEWLINE);
            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("a[^x]b", 6, &regex);
            if (s)
              result |= 2;
            /* This should fail, but succeeds for glibc-2.5.  */
            else if (re_search (&regex, "a\nb", 3, 0, 3, &regs) != -1)
              result |= 2;

            /* This regular expression is from Spencer ere test number 75
               in grep-2.3.  */
            re_set_syntax (RE_SYNTAX_POSIX_EGREP);
            memset (&regex, 0, sizeof regex);
            for (i = 0; i <= UCHAR_MAX; i++)
              folded_chars[i] = i;
            regex.translate = folded_chars;
            s = re_compile_pattern ("a[[:@:>@:]]b\n", 11, &regex);
            /* This should fail with _Invalid character class name_ error.  */
            if (!s)
              result |= 4;

            /* Ensure that [b-a] is diagnosed as invalid, when
               using RE_NO_EMPTY_RANGES. */
            re_set_syntax (RE_SYNTAX_POSIX_EGREP | RE_NO_EMPTY_RANGES);
            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("a[b-a]", 6, &regex);
            if (s == 0)
              result |= 8;

            /* This should succeed, but does not for glibc-2.1.3.  */
            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("{1", 2, &regex);
            if (s)
              result |= 8;

            /* The following example is derived from a problem report
               against gawk from Jorge Stolfi <stolfi@ic.unicamp.br>.  */
            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("[an\371]*n", 7, &regex);
            if (s)
              result |= 8;
            /* This should match, but does not for glibc-2.2.1.  */
            else if (re_match (&regex, "an", 2, 0, &regs) != 2)
              result |= 8;

            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("x", 1, &regex);
            if (s)
              result |= 8;
            /* glibc-2.2.93 does not work with a negative RANGE argument.  */
            else if (re_search (&regex, "wxy", 3, 2, -2, &regs) != 1)
              result |= 8;

            /* The version of regex.c in older versions of gnulib
               ignored RE_ICASE.  Detect that problem too.  */
            re_set_syntax (RE_SYNTAX_EMACS | RE_ICASE);
            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("x", 1, &regex);
            if (s)
              result |= 16;
            else if (re_search (&regex, "WXY", 3, 0, 3, &regs) < 0)
              result |= 16;

            /* Catch a bug reported by Vin Shelton in
               http://lists.gnu.org/archive/html/bug-coreutils/2007-06/msg00089.html
               */
            re_set_syntax (RE_SYNTAX_POSIX_BASIC
                           & ~RE_CONTEXT_INVALID_DUP
                           & ~RE_NO_EMPTY_RANGES);
            memset (&regex, 0, sizeof regex);
            s = re_compile_pattern ("[[:alnum:]_-]\\\\+$", 16, &regex);
            if (s)
              result |= 32;

            /* REG_STARTEND was added to glibc on 2004-01-15.
               Reject older versions.  */
            if (! REG_STARTEND)
              result |= 64;

#if 0
            /* It would be nice to reject hosts whose regoff_t values are too
               narrow (including glibc on hosts with 64-bit ptrdiff_t and
               32-bit int), but we should wait until glibc implements this
               feature.  Otherwise, support for equivalence classes and
               multibyte collation symbols would always be broken except
               when compiling --without-included-regex.   */
            if (sizeof (regoff_t) < sizeof (ptrdiff_t)
                || sizeof (regoff_t) < sizeof (ssize_t))
              result |= 64;
#endif

            return result;
          ]])],
       [gl_cv_func_re_compile_pattern_working=yes],
       [gl_cv_func_re_compile_pattern_working=no],
       dnl When crosscompiling, assume it is not working.
       [gl_cv_func_re_compile_pattern_working=no])])
    case $gl_cv_func_re_compile_pattern_working in #(
    yes) ac_use_included_regex=no;; #(
    no) ac_use_included_regex=yes;;
    esac
    ;;
  *) AC_MSG_ERROR([Invalid value for --with-included-regex: $with_included_regex])
    ;;
  esac

  if test $ac_use_included_regex = yes; then
    AC_DEFINE([_REGEX_INCLUDE_LIMITS_H], [1],
      [Define if you want <regex.h> to include <limits.h>, so that it
       consistently overrides <limits.h>'s RE_DUP_MAX.])
    AC_DEFINE([_REGEX_LARGE_OFFSETS], [1],
      [Define if you want regoff_t to be at least as wide POSIX requires.])
    AC_DEFINE([re_syntax_options], [rpl_re_syntax_options],
      [Define to rpl_re_syntax_options if the replacement should be used.])
    AC_DEFINE([re_set_syntax], [rpl_re_set_syntax],
      [Define to rpl_re_set_syntax if the replacement should be used.])
    AC_DEFINE([re_compile_pattern], [rpl_re_compile_pattern],
      [Define to rpl_re_compile_pattern if the replacement should be used.])
    AC_DEFINE([re_compile_fastmap], [rpl_re_compile_fastmap],
      [Define to rpl_re_compile_fastmap if the replacement should be used.])
    AC_DEFINE([re_search], [rpl_re_search],
      [Define to rpl_re_search if the replacement should be used.])
    AC_DEFINE([re_search_2], [rpl_re_search_2],
      [Define to rpl_re_search_2 if the replacement should be used.])
    AC_DEFINE([re_match], [rpl_re_match],
      [Define to rpl_re_match if the replacement should be used.])
    AC_DEFINE([re_match_2], [rpl_re_match_2],
      [Define to rpl_re_match_2 if the replacement should be used.])
    AC_DEFINE([re_set_registers], [rpl_re_set_registers],
      [Define to rpl_re_set_registers if the replacement should be used.])
    AC_DEFINE([re_comp], [rpl_re_comp],
      [Define to rpl_re_comp if the replacement should be used.])
    AC_DEFINE([re_exec], [rpl_re_exec],
      [Define to rpl_re_exec if the replacement should be used.])
    AC_DEFINE([regcomp], [rpl_regcomp],
      [Define to rpl_regcomp if the replacement should be used.])
    AC_DEFINE([regexec], [rpl_regexec],
      [Define to rpl_regexec if the replacement should be used.])
    AC_DEFINE([regerror], [rpl_regerror],
      [Define to rpl_regerror if the replacement should be used.])
    AC_DEFINE([regfree], [rpl_regfree],
      [Define to rpl_regfree if the replacement should be used.])
  fi
])
m4trace:m4/regex.m4:282: -1- AC_DEFUN([gl_PREREQ_REGEX], [
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
  AC_REQUIRE([AC_C_INLINE])
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  AC_REQUIRE([gl_EEMALLOC])
  AC_REQUIRE([gl_GLIBC21])
  AC_CHECK_HEADERS([libintl.h])
  AC_CHECK_FUNCS_ONCE([isblank iswctype])
  AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]])
])
m4trace:m4/secure_getenv.m4:7: -1- AC_DEFUN([gl_FUNC_SECURE_GETENV], [
  dnl Persuade glibc <stdlib.h> to declare secure_getenv().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([secure_getenv])
  if test $ac_cv_func_secure_getenv = no; then
    HAVE_SECURE_GETENV=0
  fi
])
m4trace:m4/secure_getenv.m4:20: -1- AC_DEFUN([gl_PREREQ_SECURE_GETENV], [
  AC_CHECK_FUNCS([__secure_getenv])
  if test $ac_cv_func___secure_getenv = no; then
    AC_CHECK_FUNCS([issetugid])
  fi
  AC_CHECK_FUNCS_ONCE([getuid geteuid getgid getegid])
])
m4trace:m4/select.m4:7: -1- AC_DEFUN([gl_FUNC_SELECT], [
  AC_REQUIRE([gl_HEADER_SYS_SELECT])
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([gl_SOCKETS])
  if test "$ac_cv_header_winsock2_h" = yes; then
    REPLACE_SELECT=1
  else
    dnl On Interix 3.5, select(0, NULL, NULL, NULL, timeout) fails with error
    dnl EFAULT.
    AC_CHECK_HEADERS_ONCE([sys/select.h])
    AC_CACHE_CHECK([whether select supports a 0 argument],
      [gl_cv_func_select_supports0],
      [
        AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/time.h>
#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
int main ()
{
  struct timeval timeout;
  timeout.tv_sec = 0;
  timeout.tv_usec = 5;
  return select (0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout) < 0;
}]])], [gl_cv_func_select_supports0=yes], [gl_cv_func_select_supports0=no],
          [
changequote(,)dnl
           case "$host_os" in
                       # Guess no on Interix.
             interix*) gl_cv_func_select_supports0="guessing no";;
                       # Guess yes otherwise.
             *)        gl_cv_func_select_supports0="guessing yes";;
           esac
changequote([,])dnl
          ])
      ])
    case "$gl_cv_func_select_supports0" in
      *yes) ;;
      *) REPLACE_SELECT=1 ;;
    esac

    dnl On FreeBSD 8.2, select() doesn't always reject bad fds.
    AC_CACHE_CHECK([whether select detects invalid fds],
      [gl_cv_func_select_detects_ebadf],
      [
        AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/time.h>
#if HAVE_SYS_SELECT_H
# include <sys/select.h>
#endif
#include <unistd.h>
#include <errno.h>
]],[[
  fd_set set;
  dup2(0, 16);
  FD_ZERO(&set);
  FD_SET(16, &set);
  close(16);
  struct timeval timeout;
  timeout.tv_sec = 0;
  timeout.tv_usec = 5;
  return select (17, &set, NULL, NULL, &timeout) != -1 || errno != EBADF;
]])], [gl_cv_func_select_detects_ebadf=yes],
      [gl_cv_func_select_detects_ebadf=no],
          [
           case "$host_os" in
                    # Guess yes on glibc systems.
            *-gnu*) gl_cv_func_select_detects_ebadf="guessing yes" ;;
                    # If we don't know, assume the worst.
            *)      gl_cv_func_select_detects_ebadf="guessing no" ;;
           esac
          ])
      ])
    case $gl_cv_func_select_detects_ebadf in
      *yes) ;;
      *) REPLACE_SELECT=1 ;;
    esac
  fi

  dnl Determine the needed libraries.
  LIB_SELECT="$LIBSOCKET"
  if test $REPLACE_SELECT = 1; then
    case "$host_os" in
      mingw*)
        dnl On the MSVC platform, the function MsgWaitForMultipleObjects
        dnl (used in lib/select.c) requires linking with -luser32. On mingw,
        dnl it is implicit.
        AC_LINK_IFELSE(
          [AC_LANG_SOURCE([[
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
int
main ()
{
  MsgWaitForMultipleObjects (0, NULL, 0, 0, 0);
  return 0;
}]])],
          [],
          [LIB_SELECT="$LIB_SELECT -luser32"])
        ;;
    esac
  fi
  AC_SUBST([LIB_SELECT])
])
m4trace:m4/setenv.m4:7: -1- AC_DEFUN([gl_FUNC_SETENV], [
  AC_REQUIRE([gl_FUNC_SETENV_SEPARATE])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  if test $ac_cv_func_setenv = no; then
    HAVE_SETENV=0
  else
    AC_CACHE_CHECK([whether setenv validates arguments],
      [gl_cv_func_setenv_works],
      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
       #include <stdlib.h>
       #include <errno.h>
       #include <string.h>
      ]], [[
       int result = 0;
       {
         if (setenv ("", "", 0) != -1)
           result |= 1;
         else if (errno != EINVAL)
           result |= 2;
       }
       {
         if (setenv ("a", "=", 1) != 0)
           result |= 4;
         else if (strcmp (getenv ("a"), "=") != 0)
           result |= 8;
       }
       return result;
      ]])],
      [gl_cv_func_setenv_works=yes], [gl_cv_func_setenv_works=no],
      [case "$host_os" in
                 # Guess yes on glibc systems.
         *-gnu*) gl_cv_func_setenv_works="guessing yes" ;;
                 # If we don't know, assume the worst.
         *)      gl_cv_func_setenv_works="guessing no" ;;
       esac
      ])])
    case "$gl_cv_func_setenv_works" in
      *yes) ;;
      *)
        REPLACE_SETENV=1
        ;;
    esac
  fi
])
m4trace:m4/setenv.m4:55: -1- AC_DEFUN([gl_FUNC_SETENV_SEPARATE], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_CHECK_DECLS_ONCE([setenv])
  if test $ac_cv_have_decl_setenv = no; then
    HAVE_DECL_SETENV=0
  fi
  AC_CHECK_FUNCS_ONCE([setenv])
  gl_PREREQ_SETENV
])
m4trace:m4/setenv.m4:66: -1- AC_DEFUN([gl_FUNC_UNSETENV], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CHECK_DECLS_ONCE([unsetenv])
  if test $ac_cv_have_decl_unsetenv = no; then
    HAVE_DECL_UNSETENV=0
  fi
  AC_CHECK_FUNCS([unsetenv])
  if test $ac_cv_func_unsetenv = no; then
    HAVE_UNSETENV=0
  else
    HAVE_UNSETENV=1
    dnl Some BSDs return void, failing to do error checking.
    AC_CACHE_CHECK([for unsetenv() return type], [gt_cv_func_unsetenv_ret],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[
#undef _BSD
#define _BSD 1 /* unhide unsetenv declaration in OSF/1 5.1 <stdlib.h> */
#include <stdlib.h>
extern
#ifdef __cplusplus
"C"
#endif
int unsetenv (const char *name);
            ]],
            [[]])],
         [gt_cv_func_unsetenv_ret='int'],
         [gt_cv_func_unsetenv_ret='void'])])
    if test $gt_cv_func_unsetenv_ret = 'void'; then
      AC_DEFINE([VOID_UNSETENV], [1], [Define to 1 if unsetenv returns void
       instead of int.])
      REPLACE_UNSETENV=1
    fi

    dnl Solaris 10 unsetenv does not remove all copies of a name.
    dnl Haiku alpha 2 unsetenv gets confused by assignment to environ.
    dnl OpenBSD 4.7 unsetenv("") does not fail.
    AC_CACHE_CHECK([whether unsetenv obeys POSIX],
      [gl_cv_func_unsetenv_works],
      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
       #include <stdlib.h>
       #include <errno.h>
       extern char **environ;
      ]], [[
       char entry1[] = "a=1";
       char entry2[] = "b=2";
       char *env[] = { entry1, entry2, NULL };
       if (putenv ((char *) "a=1")) return 1;
       if (putenv (entry2)) return 2;
       entry2[0] = 'a';
       unsetenv ("a");
       if (getenv ("a")) return 3;
       if (!unsetenv ("") || errno != EINVAL) return 4;
       entry2[0] = 'b';
       environ = env;
       if (!getenv ("a")) return 5;
       entry2[0] = 'a';
       unsetenv ("a");
       if (getenv ("a")) return 6;
      ]])],
      [gl_cv_func_unsetenv_works=yes], [gl_cv_func_unsetenv_works=no],
      [case "$host_os" in
                 # Guess yes on glibc systems.
         *-gnu*) gl_cv_func_unsetenv_works="guessing yes" ;;
                 # If we don't know, assume the worst.
         *)      gl_cv_func_unsetenv_works="guessing no" ;;
       esac
      ])])
    case "$gl_cv_func_unsetenv_works" in
      *yes) ;;
      *)
        REPLACE_UNSETENV=1
        ;;
    esac
  fi
])
m4trace:m4/setenv.m4:146: -1- AC_DEFUN([gl_PREREQ_SETENV], [
  AC_REQUIRE([AC_FUNC_ALLOCA])
  AC_REQUIRE([gl_ENVIRON])
  AC_CHECK_HEADERS_ONCE([unistd.h])
  AC_CHECK_HEADERS([search.h])
  AC_CHECK_FUNCS([tsearch])
])
m4trace:m4/setenv.m4:156: -1- AC_DEFUN([gl_PREREQ_UNSETENV], [
  AC_REQUIRE([gl_ENVIRON])
  AC_CHECK_HEADERS_ONCE([unistd.h])
])
m4trace:m4/setlocale.m4:7: -1- AC_DEFUN([gl_FUNC_SETLOCALE], [
  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  case "$host_os" in
    dnl On native Windows systems, setlocale(category,NULL) does not look at
    dnl the environment variables LC_ALL, category, and LANG.
    mingw*) REPLACE_SETLOCALE=1 ;;
    dnl On Cygwin 1.5.x, setlocale always succeeds but setlocale(LC_CTYPE,NULL)
    dnl is then still "C".
    cygwin*)
      case `uname -r` in
        1.5.*) REPLACE_SETLOCALE=1 ;;
      esac
      ;;
  esac
])
m4trace:m4/setlocale.m4:26: -1- AC_DEFUN([gl_PREREQ_SETLOCALE], [
  :
])
m4trace:m4/sigaction.m4:8: -1- AC_DEFUN([gl_SIGACTION], [
  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([sigaction])
  if test $ac_cv_func_sigaction = yes; then
    AC_CHECK_MEMBERS([struct sigaction.sa_sigaction], , ,
                     [[#include <signal.h>]])
    if test $ac_cv_member_struct_sigaction_sa_sigaction = no; then
      HAVE_STRUCT_SIGACTION_SA_SIGACTION=0
    fi
  else
    HAVE_SIGACTION=0
  fi
])
m4trace:m4/sigaction.m4:24: -1- AC_DEFUN([gl_PREREQ_SIGACTION], [
  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([AC_TYPE_UID_T])
  AC_REQUIRE([gl_PREREQ_SIG_HANDLER_H])
  AC_CHECK_FUNCS_ONCE([sigaltstack siginterrupt])
  AC_CHECK_TYPES([siginfo_t], [], [], [[
#include <signal.h>
  ]])
  if test $ac_cv_type_siginfo_t = no; then
    HAVE_SIGINFO_T=0
  fi
])
m4trace:m4/sigaction.m4:40: -1- AC_DEFUN([gl_PREREQ_SIG_HANDLER_H], [:])
m4trace:m4/signal_h.m4:7: -1- AC_DEFUN([gl_SIGNAL_H], [
  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T])
  gl_NEXT_HEADERS([signal.h])

# AIX declares sig_atomic_t to already include volatile, and C89 compilers
# then choke on 'volatile sig_atomic_t'.  C99 requires that it compile.
  AC_CHECK_TYPE([volatile sig_atomic_t], [],
    [HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=0], [[
#include <signal.h>
    ]])

  dnl Ensure the type pid_t gets defined.
  AC_REQUIRE([AC_TYPE_PID_T])

  AC_REQUIRE([AC_TYPE_UID_T])

  dnl Persuade glibc <signal.h> to define sighandler_t.
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_TYPE([sighandler_t], [], [HAVE_SIGHANDLER_T=0], [[
#include <signal.h>
    ]])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <signal.h>
    ]], [pthread_sigmask sigaction
    sigaddset sigdelset sigemptyset sigfillset sigismember
    sigpending sigprocmask])
])
m4trace:m4/signal_h.m4:39: -1- AC_DEFUN([gl_CHECK_TYPE_SIGSET_T], [
  AC_CHECK_TYPES([sigset_t],
    [gl_cv_type_sigset_t=yes], [gl_cv_type_sigset_t=no],
    [[
      #include <signal.h>
      /* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>.  */
      #include <sys/types.h>
    ]])
  if test $gl_cv_type_sigset_t != yes; then
    HAVE_SIGSET_T=0
  fi
])
m4trace:m4/signal_h.m4:53: -1- AC_DEFUN([gl_SIGNAL_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/signal_h.m4:62: -1- AC_DEFUN([gl_SIGNAL_H_DEFAULTS], [
  GNULIB_PTHREAD_SIGMASK=0;    AC_SUBST([GNULIB_PTHREAD_SIGMASK])
  GNULIB_RAISE=0;              AC_SUBST([GNULIB_RAISE])
  GNULIB_SIGNAL_H_SIGPIPE=0;   AC_SUBST([GNULIB_SIGNAL_H_SIGPIPE])
  GNULIB_SIGPROCMASK=0;        AC_SUBST([GNULIB_SIGPROCMASK])
  GNULIB_SIGACTION=0;          AC_SUBST([GNULIB_SIGACTION])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_POSIX_SIGNALBLOCKING=1; AC_SUBST([HAVE_POSIX_SIGNALBLOCKING])
  HAVE_PTHREAD_SIGMASK=1;      AC_SUBST([HAVE_PTHREAD_SIGMASK])
  HAVE_RAISE=1;                AC_SUBST([HAVE_RAISE])
  HAVE_SIGSET_T=1;             AC_SUBST([HAVE_SIGSET_T])
  HAVE_SIGINFO_T=1;            AC_SUBST([HAVE_SIGINFO_T])
  HAVE_SIGACTION=1;            AC_SUBST([HAVE_SIGACTION])
  HAVE_STRUCT_SIGACTION_SA_SIGACTION=1;
                               AC_SUBST([HAVE_STRUCT_SIGACTION_SA_SIGACTION])
  HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=1;
                               AC_SUBST([HAVE_TYPE_VOLATILE_SIG_ATOMIC_T])
  HAVE_SIGHANDLER_T=1;         AC_SUBST([HAVE_SIGHANDLER_T])
  REPLACE_PTHREAD_SIGMASK=0;   AC_SUBST([REPLACE_PTHREAD_SIGMASK])
  REPLACE_RAISE=0;             AC_SUBST([REPLACE_RAISE])
])
m4trace:m4/signalblocking.m4:12: -1- AC_DEFUN([gl_SIGNALBLOCKING], [
  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T])
  if test $gl_cv_type_sigset_t = yes; then
    AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1])
  fi
  if test -z "$gl_cv_func_sigprocmask"; then
    HAVE_POSIX_SIGNALBLOCKING=0
  fi
])
m4trace:m4/signalblocking.m4:25: -1- AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:])
m4trace:m4/size_max.m4:9: -1- AC_DEFUN([gl_SIZE_MAX], [
  AC_CHECK_HEADERS([stdint.h])
  dnl First test whether the system already has SIZE_MAX.
  AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [
    gl_cv_size_max=
    AC_EGREP_CPP([Found it], [
#include <limits.h>
#if HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef SIZE_MAX
Found it
#endif
], [gl_cv_size_max=yes])
    if test -z "$gl_cv_size_max"; then
      dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
      dnl than the type 'unsigned long'. Try hard to find a definition that can
      dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
      AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
        [#include <stddef.h>
#include <limits.h>], [size_t_bits_minus_1=])
      AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
        [#include <stddef.h>], [fits_in_uint=])
      if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
        if test $fits_in_uint = 1; then
          dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
          dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
          AC_COMPILE_IFELSE(
            [AC_LANG_PROGRAM(
               [[#include <stddef.h>
                 extern size_t foo;
                 extern unsigned long foo;
               ]],
               [[]])],
            [fits_in_uint=0])
        fi
        dnl We cannot use 'expr' to simplify this expression, because 'expr'
        dnl works only with 'long' integers in the host environment, while we
        dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
        if test $fits_in_uint = 1; then
          gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
        else
          gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
        fi
      else
        dnl Shouldn't happen, but who knows...
        gl_cv_size_max='((size_t)~(size_t)0)'
      fi
    fi
  ])
  if test "$gl_cv_size_max" != yes; then
    AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max],
      [Define as the maximum value of type 'size_t', if the system doesn't define it.])
  fi
  dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after
  dnl <stdint.h>. Remember that the #undef in AH_VERBATIM gets replaced with
  dnl #define by AC_DEFINE_UNQUOTED.
  AH_VERBATIM([SIZE_MAX],
[/* Define as the maximum value of type 'size_t', if the system doesn't define
   it. */
#ifndef SIZE_MAX
# undef SIZE_MAX
#endif])
])
m4trace:m4/sleep.m4:7: -1- AC_DEFUN([gl_FUNC_SLEEP], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  dnl We expect to see the declaration of sleep() in a header file.
  dnl Older versions of mingw have a sleep() function that is an alias to
  dnl _sleep() in MSVCRT. It has a different signature than POSIX sleep():
  dnl it takes the number of milliseconds as argument and returns void.
  dnl mingw does not declare this function.
  AC_CHECK_DECLS([sleep], , , [[#include <unistd.h>]])
  AC_CHECK_FUNCS_ONCE([sleep])
  if test $ac_cv_have_decl_sleep != yes; then
    HAVE_SLEEP=0
  else
    dnl Cygwin 1.5.x has a bug where sleep can't exceed 49.7 days.
    AC_CACHE_CHECK([for working sleep], [gl_cv_func_sleep_works],
      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <errno.h>
#include <unistd.h>
#include <signal.h>
static void
handle_alarm (int sig)
{
  if (sig != SIGALRM)
    _exit (2);
}
]], [[
    /* Failure to compile this test due to missing alarm is okay,
       since all such platforms (mingw) also lack sleep.  */
    unsigned int pentecost = 50 * 24 * 60 * 60; /* 50 days.  */
    unsigned int remaining;
    signal (SIGALRM, handle_alarm);
    alarm (1);
    remaining = sleep (pentecost);
    if (remaining > pentecost)
      return 3;
    if (remaining <= pentecost - 10)
      return 4;
    return 0;
    ]])],
      [gl_cv_func_sleep_works=yes], [gl_cv_func_sleep_works=no],
      [case "$host_os" in
                 # Guess yes on glibc systems.
         *-gnu*) gl_cv_func_sleep_works="guessing yes" ;;
                 # If we don't know, assume the worst.
         *)      gl_cv_func_sleep_works="guessing no" ;;
       esac
      ])])
    case "$gl_cv_func_sleep_works" in
      *yes) ;;
      *)
        REPLACE_SLEEP=1
        ;;
    esac
  fi
])
m4trace:m4/snprintf.m4:11: -1- AC_DEFUN([gl_FUNC_SNPRINTF], [
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  gl_cv_func_snprintf_usable=no
  AC_CHECK_FUNCS([snprintf])
  if test $ac_cv_func_snprintf = yes; then
    gl_SNPRINTF_SIZE1
    case "$gl_cv_func_snprintf_size1" in
      *yes)
        gl_SNPRINTF_RETVAL_C99
        case "$gl_cv_func_snprintf_retval_c99" in
          *yes)
            gl_PRINTF_POSITIONS
            case "$gl_cv_func_printf_positions" in
              *yes)
                gl_cv_func_snprintf_usable=yes
                ;;
            esac
            ;;
        esac
        ;;
    esac
  fi
  if test $gl_cv_func_snprintf_usable = no; then
    gl_REPLACE_SNPRINTF
  fi
  AC_CHECK_DECLS_ONCE([snprintf])
  if test $ac_cv_have_decl_snprintf = no; then
    HAVE_DECL_SNPRINTF=0
  fi
])
m4trace:m4/snprintf.m4:43: -1- AC_DEFUN([gl_REPLACE_SNPRINTF], [
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_LIBOBJ([snprintf])
  if test $ac_cv_func_snprintf = yes; then
    REPLACE_SNPRINTF=1
  else
    AC_CHECK_DECLS_ONCE([snprintf])
    if test $ac_cv_have_decl_snprintf = yes; then
      dnl If the function is declared but does not appear to exist, it may be
      dnl defined as an inline function. In order to avoid a conflict, we have
      dnl to define rpl_snprintf, not snprintf.
      REPLACE_SNPRINTF=1
    fi
  fi
  gl_PREREQ_SNPRINTF
])
m4trace:m4/snprintf.m4:62: -1- AC_DEFUN([gl_PREREQ_SNPRINTF], [:])
m4trace:m4/socketlib.m4:11: -1- AC_DEFUN([gl_SOCKETLIB], [
  gl_PREREQ_SYS_H_WINSOCK2 dnl for HAVE_WINSOCK2_H
  LIBSOCKET=
  if test $HAVE_WINSOCK2_H = 1; then
    dnl Native Windows API (not Cygwin).
    AC_CACHE_CHECK([if we need to call WSAStartup in winsock2.h and -lws2_32],
                   [gl_cv_func_wsastartup], [
      gl_save_LIBS="$LIBS"
      LIBS="$LIBS -lws2_32"
      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_WINSOCK2_H
# include <winsock2.h>
#endif]], [[
          WORD wVersionRequested = MAKEWORD(1, 1);
          WSADATA wsaData;
          int err = WSAStartup(wVersionRequested, &wsaData);
          WSACleanup ();]])],
        gl_cv_func_wsastartup=yes, gl_cv_func_wsastartup=no)
      LIBS="$gl_save_LIBS"
    ])
    if test "$gl_cv_func_wsastartup" = "yes"; then
      AC_DEFINE([WINDOWS_SOCKETS], [1], [Define if WSAStartup is needed.])
      LIBSOCKET='-lws2_32'
    fi
  else
    dnl Unix API.
    dnl Solaris has most socket functions in libsocket.
    dnl Haiku has most socket functions in libnetwork.
    dnl BeOS has most socket functions in libnet.
    AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [
      gl_cv_lib_socket=
      AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
#ifdef __cplusplus
"C"
#endif
char setsockopt();]], [[setsockopt();]])],
        [],
        [gl_save_LIBS="$LIBS"
         LIBS="$gl_save_LIBS -lsocket"
         AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
#ifdef __cplusplus
"C"
#endif
char setsockopt();]], [[setsockopt();]])],
           [gl_cv_lib_socket="-lsocket"])
         if test -z "$gl_cv_lib_socket"; then
           LIBS="$gl_save_LIBS -lnetwork"
           AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
#ifdef __cplusplus
"C"
#endif
char setsockopt();]], [[setsockopt();]])],
             [gl_cv_lib_socket="-lnetwork"])
           if test -z "$gl_cv_lib_socket"; then
             LIBS="$gl_save_LIBS -lnet"
             AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
#ifdef __cplusplus
"C"
#endif
char setsockopt();]], [[setsockopt();]])],
               [gl_cv_lib_socket="-lnet"])
           fi
         fi
         LIBS="$gl_save_LIBS"
        ])
      if test -z "$gl_cv_lib_socket"; then
        gl_cv_lib_socket="none needed"
      fi
    ])
    if test "$gl_cv_lib_socket" != "none needed"; then
      LIBSOCKET="$gl_cv_lib_socket"
    fi
  fi
  AC_SUBST([LIBSOCKET])
])
m4trace:m4/sockets.m4:7: -1- AC_DEFUN([gl_SOCKETS], [
  AC_REQUIRE([AC_C_INLINE])
  AC_REQUIRE([gl_SOCKETLIB])
  gl_PREREQ_SOCKETS
])
m4trace:m4/sockets.m4:15: -1- AC_DEFUN([gl_PREREQ_SOCKETS], [
  :
])
m4trace:m4/socklen.m4:15: -1- AC_DEFUN([gl_TYPE_SOCKLEN_T], [AC_REQUIRE([gl_CHECK_SOCKET_HEADERS])dnl
   AC_CHECK_TYPE([socklen_t], ,
     [AC_MSG_CHECKING([for socklen_t equivalent])
      AC_CACHE_VAL([gl_cv_socklen_t_equiv],
        [# Systems have either "struct sockaddr *" or
         # "void *" as the second argument to getpeername
         gl_cv_socklen_t_equiv=
         for arg2 in "struct sockaddr" void; do
           for t in int size_t "unsigned int" "long int" "unsigned long int"; do
             AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
                 [[#include <sys/types.h>
                   #include <sys/socket.h>

                   int getpeername (int, $arg2 *, $t *);]],
                 [[$t len;
                  getpeername (0, 0, &len);]])],
               [gl_cv_socklen_t_equiv="$t"])
             test "$gl_cv_socklen_t_equiv" != "" && break
           done
           test "$gl_cv_socklen_t_equiv" != "" && break
         done
      ])
      if test "$gl_cv_socklen_t_equiv" = ""; then
        AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
      fi
      AC_MSG_RESULT([$gl_cv_socklen_t_equiv])
      AC_DEFINE_UNQUOTED([socklen_t], [$gl_cv_socklen_t_equiv],
        [type to use in place of socklen_t if not defined])],
     [gl_SOCKET_HEADERS])])
m4trace:m4/socklen.m4:52: -1- AC_DEFUN([gl_SOCKET_HEADERS], [
/* <sys/types.h> is not needed according to POSIX, but the
   <sys/socket.h> in i386-unknown-freebsd4.10 and
   powerpc-apple-darwin5.5 required it. */
#include <sys/types.h>
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
#endif
])
m4trace:m4/socklen.m4:68: -1- AC_DEFUN([gl_CHECK_SOCKET_HEADERS], [AC_CHECK_HEADERS_ONCE([sys/socket.h])
   if test $ac_cv_header_sys_socket_h = no; then
     dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make
     dnl the check for those headers unconditional; yet cygwin reports
     dnl that the headers are present but cannot be compiled (since on
     dnl cygwin, all socket information should come from sys/socket.h).
     AC_CHECK_HEADERS([ws2tcpip.h])
   fi
  ])
m4trace:m4/sockpfaf.m4:14: -1- AC_DEFUN([gl_SOCKET_FAMILIES], [
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  AC_CHECK_HEADERS_ONCE([netinet/in.h])

  AC_MSG_CHECKING([for IPv4 sockets])
  AC_CACHE_VAL([gl_cv_socket_ipv4],
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif]],
[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
 if (&x && &y && &z) return 0;]])],
       gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
  AC_MSG_RESULT([$gl_cv_socket_ipv4])
  if test $gl_cv_socket_ipv4 = yes; then
    AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.])
  fi

  AC_MSG_CHECKING([for IPv6 sockets])
  AC_CACHE_VAL([gl_cv_socket_ipv6],
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif]],
[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
 if (&x && &y && &z) return 0;]])],
       gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
  AC_MSG_RESULT([$gl_cv_socket_ipv6])
  if test $gl_cv_socket_ipv6 = yes; then
    AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.])
  fi
])
m4trace:m4/sockpfaf.m4:63: -1- AC_DEFUN([gl_SOCKET_FAMILY_UNIX], [
  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
  AC_CHECK_HEADERS_ONCE([sys/un.h])

  AC_MSG_CHECKING([for UNIX domain sockets])
  AC_CACHE_VAL([gl_cv_socket_unix],
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif]],
[[int x = AF_UNIX; struct sockaddr_un y;
 if (&x && &y) return 0;]])],
       gl_cv_socket_unix=yes, gl_cv_socket_unix=no)])
  AC_MSG_RESULT([$gl_cv_socket_unix])
  if test $gl_cv_socket_unix = yes; then
    AC_DEFINE([HAVE_UNIXSOCKET], [1], [Define to 1 if <sys/socket.h> defines AF_UNIX.])
  fi
])
m4trace:m4/ssize_t.m4:10: -1- AC_DEFUN([gt_TYPE_SSIZE_T], [
  AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <sys/types.h>]],
          [[int x = sizeof (ssize_t *) + sizeof (ssize_t);
            return !x;]])],
       [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])])
  if test $gt_cv_ssize_t = no; then
    AC_DEFINE([ssize_t], [int],
              [Define as a signed type of the same size as size_t.])
  fi
])
m4trace:m4/stat-time.m4:20: -1- AC_DEFUN([gl_STAT_TIME], [
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_HEADERS_ONCE([sys/time.h])

  AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec],
    [AC_CACHE_CHECK([whether struct stat.st_atim is of type struct timespec],
       [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec],
       [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
          [[
            #include <sys/types.h>
            #include <sys/stat.h>
            #if HAVE_SYS_TIME_H
            # include <sys/time.h>
            #endif
            #include <time.h>
            struct timespec ts;
            struct stat st;
          ]],
          [[
            st.st_atim = ts;
          ]])],
          [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes],
          [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no])])
     if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
       AC_DEFINE([TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC], [1],
         [Define to 1 if the type of the st_atim member of a struct stat is
          struct timespec.])
     fi],
    [AC_CHECK_MEMBERS([struct stat.st_atimespec.tv_nsec], [],
       [AC_CHECK_MEMBERS([struct stat.st_atimensec], [],
          [AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [], [],
             [#include <sys/types.h>
              #include <sys/stat.h>])],
          [#include <sys/types.h>
           #include <sys/stat.h>])],
       [#include <sys/types.h>
        #include <sys/stat.h>])],
    [#include <sys/types.h>
     #include <sys/stat.h>])
])
m4trace:m4/stat-time.m4:70: -1- AC_DEFUN([gl_STAT_BIRTHTIME], [
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_HEADERS_ONCE([sys/time.h])
  AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec], [],
    [AC_CHECK_MEMBERS([struct stat.st_birthtimensec], [],
      [AC_CHECK_MEMBERS([struct stat.st_birthtim.tv_nsec], [], [],
         [#include <sys/types.h>
          #include <sys/stat.h>])],
       [#include <sys/types.h>
        #include <sys/stat.h>])],
    [#include <sys/types.h>
     #include <sys/stat.h>])
])
m4trace:m4/stat.m4:9: -1- AC_DEFUN([gl_FUNC_STAT], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([lstat])
  case "$host_os" in
    mingw*)
      dnl On this platform, the original stat() returns st_atime, st_mtime,
      dnl st_ctime values that are affected by the time zone.
      REPLACE_STAT=1
      ;;
    *)
      dnl AIX 7.1, Solaris 9, mingw64 mistakenly succeed on stat("file/").
      dnl (For mingw, this is due to a broken stat() override in libmingwex.a.)
      dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/").
      AC_CACHE_CHECK([whether stat handles trailing slashes on files],
        [gl_cv_func_stat_file_slash],
        [touch conftest.tmp
         # Assume that if we have lstat, we can also check symlinks.
         if test $ac_cv_func_lstat = yes; then
           ln -s conftest.tmp conftest.lnk
         fi
         AC_RUN_IFELSE(
           [AC_LANG_PROGRAM(
             [[#include <sys/stat.h>
]], [[int result = 0;
               struct stat st;
               if (!stat ("conftest.tmp/", &st))
                 result |= 1;
#if HAVE_LSTAT
               if (!stat ("conftest.lnk/", &st))
                 result |= 2;
#endif
               return result;
             ]])],
           [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no],
           [case "$host_os" in
                      # Guess yes on glibc systems.
              *-gnu*) gl_cv_func_stat_file_slash="guessing yes" ;;
                      # If we don't know, assume the worst.
              *)      gl_cv_func_stat_file_slash="guessing no" ;;
            esac
           ])
         rm -f conftest.tmp conftest.lnk])
      case $gl_cv_func_stat_file_slash in
        *no)
          REPLACE_STAT=1
          AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs
            help when passed a file name with a trailing slash]);;
      esac
      ;;
  esac
])
m4trace:m4/stat.m4:64: -1- AC_DEFUN([gl_PREREQ_STAT], [
  AC_REQUIRE([gl_HEADER_SYS_STAT_H])
  :
])
m4trace:m4/stdalign.m4:10: -1- AC_DEFUN([gl_STDALIGN_H], [
  AC_CACHE_CHECK([for working stdalign.h],
    [gl_cv_header_working_stdalign_h],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <stdalign.h>
            #include <stddef.h>

            /* Test that alignof yields a result consistent with offsetof.
               This catches GCC bug 52023
               <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.  */
            #ifdef __cplusplus
               template <class t> struct alignof_helper { char a; t b; };
            # define ao(type) offsetof (alignof_helper<type>, b)
            #else
            # define ao(type) offsetof (struct { char a; type b; }, b)
            #endif
            char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1];
            char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1];
            char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1];

            /* Test _Alignas only on platforms where gnulib can help.  */
            #if \
                ((defined __cplusplus && 201103 <= __cplusplus) \
                 || (defined __APPLE__ && defined __MACH__ \
                     ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \
                     : __GNUC__) \
                 || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \
                 || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__ \
                 || 1300 <= _MSC_VER)
              struct alignas_test { char c; char alignas (8) alignas_8; };
              char test_alignas[offsetof (struct alignas_test, alignas_8) == 8
                                ? 1 : -1];
            #endif
          ]])],
       [gl_cv_header_working_stdalign_h=yes],
       [gl_cv_header_working_stdalign_h=no])])

  if test $gl_cv_header_working_stdalign_h = yes; then
    STDALIGN_H=''
  else
    STDALIGN_H='stdalign.h'
  fi

  AC_SUBST([STDALIGN_H])
  AM_CONDITIONAL([GL_GENERATE_STDALIGN_H], [test -n "$STDALIGN_H"])
])
m4trace:m4/stdarg.m4:10: -1- AC_DEFUN([gl_STDARG_H], [
  STDARG_H=''
  NEXT_STDARG_H='<stdarg.h>'
  AC_MSG_CHECKING([for va_copy])
  AC_CACHE_VAL([gl_cv_func_va_copy], [
    AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM(
         [[#include <stdarg.h>]],
         [[
#ifndef va_copy
void (*func) (va_list, va_list) = va_copy;
#endif
         ]])],
      [gl_cv_func_va_copy=yes],
      [gl_cv_func_va_copy=no])])
  AC_MSG_RESULT([$gl_cv_func_va_copy])
  if test $gl_cv_func_va_copy = no; then
    dnl Provide a substitute.
    dnl Usually a simple definition in <config.h> is enough. Not so on AIX 5
    dnl with some versions of the /usr/vac/bin/cc compiler. It has an <stdarg.h>
    dnl which does '#undef va_copy', leading to a missing va_copy symbol. For
    dnl this platform, we use an <stdarg.h> substitute. But we cannot use this
    dnl approach on other platforms, because <stdarg.h> often defines only
    dnl preprocessor macros and gl_ABSOLUTE_HEADER, gl_CHECK_NEXT_HEADERS do
    dnl not work in this situation.
    AC_EGREP_CPP([vaccine],
      [#if defined _AIX && !defined __GNUC__
        AIX vaccine
       #endif
      ], [gl_aixcc=yes], [gl_aixcc=no])
    if test $gl_aixcc = yes; then
      dnl Provide a substitute <stdarg.h> file.
      STDARG_H=stdarg.h
      gl_NEXT_HEADERS([stdarg.h])
      dnl Fallback for the case when <stdarg.h> contains only macro definitions.
      if test "$gl_cv_next_stdarg_h" = '""'; then
        gl_cv_next_stdarg_h='"///usr/include/stdarg.h"'
        NEXT_STDARG_H="$gl_cv_next_stdarg_h"
      fi
    else
      dnl Provide a substitute in <config.h>, either __va_copy or as a simple
      dnl assignment.
      gl_CACHE_VAL_SILENT([gl_cv_func___va_copy], [
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM(
             [[#include <stdarg.h>]],
             [[
#ifndef __va_copy
error, bail out
#endif
             ]])],
          [gl_cv_func___va_copy=yes],
          [gl_cv_func___va_copy=no])])
      if test $gl_cv_func___va_copy = yes; then
        AC_DEFINE([va_copy], [__va_copy],
          [Define as a macro for copying va_list variables.])
      else
        AH_VERBATIM([gl_VA_COPY], [/* A replacement for va_copy, if needed.  */
#define gl_va_copy(a,b) ((a) = (b))])
        AC_DEFINE([va_copy], [gl_va_copy],
          [Define as a macro for copying va_list variables.])
      fi
    fi
  fi
  AC_SUBST([STDARG_H])
  AM_CONDITIONAL([GL_GENERATE_STDARG_H], [test -n "$STDARG_H"])
  AC_SUBST([NEXT_STDARG_H])
])
m4trace:m4/stdbool.m4:12: -1- AC_DEFUN([AM_STDBOOL_H], [
  AC_REQUIRE([AC_CHECK_HEADER_STDBOOL])

  # Define two additional variables used in the Makefile substitution.

  if test "$ac_cv_header_stdbool_h" = yes; then
    STDBOOL_H=''
  else
    STDBOOL_H='stdbool.h'
  fi
  AC_SUBST([STDBOOL_H])
  AM_CONDITIONAL([GL_GENERATE_STDBOOL_H], [test -n "$STDBOOL_H"])

  if test "$ac_cv_type__Bool" = yes; then
    HAVE__BOOL=1
  else
    HAVE__BOOL=0
  fi
  AC_SUBST([HAVE__BOOL])
])
m4trace:m4/stdbool.m4:35: -1- AC_DEFUN([gl_STDBOOL_H], [AM_STDBOOL_H])
m4trace:m4/stdbool.m4:39: -1- AC_DEFUN([AC_CHECK_HEADER_STDBOOL], [AC_CACHE_CHECK([for stdbool.h that conforms to C99],
     [ac_cv_header_stdbool_h],
     [AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
           [[
             #include <stdbool.h>

             #ifdef __cplusplus
              typedef bool Bool;
             #else
              typedef _Bool Bool;
              #ifndef bool
               "error: bool is not defined"
              #endif
              #ifndef false
               "error: false is not defined"
              #endif
              #if false
               "error: false is not 0"
              #endif
              #ifndef true
               "error: true is not defined"
              #endif
              #if true != 1
               "error: true is not 1"
              #endif
             #endif

             #ifndef __bool_true_false_are_defined
              "error: __bool_true_false_are_defined is not defined"
             #endif

             struct s { Bool s: 1; Bool t; bool u: 1; bool v; } s;

             char a[true == 1 ? 1 : -1];
             char b[false == 0 ? 1 : -1];
             char c[__bool_true_false_are_defined == 1 ? 1 : -1];
             char d[(bool) 0.5 == true ? 1 : -1];
             /* See body of main program for 'e'.  */
             char f[(Bool) 0.0 == false ? 1 : -1];
             char g[true];
             char h[sizeof (Bool)];
             char i[sizeof s.t];
             enum { j = false, k = true, l = false * true, m = true * 256 };
             /* The following fails for
                HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
             Bool n[m];
             char o[sizeof n == m * sizeof n[0] ? 1 : -1];
             char p[-1 - (Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
             /* Catch a bug in an HP-UX C compiler.  See
                http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
                http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
              */
             Bool q = true;
             Bool *pq = &q;
             bool *qq = &q;
           ]],
           [[
             bool e = &s;
             *pq |= q; *pq |= ! q;
             *qq |= q; *qq |= ! q;
             /* Refer to every declared value, to avoid compiler optimizations.  */
             return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
                     + !m + !n + !o + !p + !q + !pq + !qq);
           ]])],
        [ac_cv_header_stdbool_h=yes],
        [ac_cv_header_stdbool_h=no])])
   AC_CHECK_TYPES([_Bool])
])
m4trace:m4/stddef_h.m4:8: -1- AC_DEFUN([gl_STDDEF_H], [
  AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
  AC_REQUIRE([gt_TYPE_WCHAR_T])
  STDDEF_H=
  AC_CHECK_TYPE([max_align_t], [], [HAVE_MAX_ALIGN_T=0; STDDEF_H=stddef.h],
    [[#include <stddef.h>
    ]])
  if test $gt_cv_c_wchar_t = no; then
    HAVE_WCHAR_T=0
    STDDEF_H=stddef.h
  fi
  AC_CACHE_CHECK([whether NULL can be used in arbitrary expressions],
    [gl_cv_decl_null_works],
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>
      int test[2 * (sizeof NULL == sizeof (void *)) -1];
]])],
      [gl_cv_decl_null_works=yes],
      [gl_cv_decl_null_works=no])])
  if test $gl_cv_decl_null_works = no; then
    REPLACE_NULL=1
    STDDEF_H=stddef.h
  fi
  AC_SUBST([STDDEF_H])
  AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
  if test -n "$STDDEF_H"; then
    gl_NEXT_HEADERS([stddef.h])
  fi
])
m4trace:m4/stddef_h.m4:38: -1- AC_DEFUN([gl_STDDEF_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
m4trace:m4/stddef_h.m4:45: -1- AC_DEFUN([gl_STDDEF_H_DEFAULTS], [
  dnl Assume proper GNU behavior unless another module says otherwise.
  REPLACE_NULL=0;                AC_SUBST([REPLACE_NULL])
  HAVE_MAX_ALIGN_T=1;            AC_SUBST([HAVE_MAX_ALIGN_T])
  HAVE_WCHAR_T=1;                AC_SUBST([HAVE_WCHAR_T])
])
m4trace:m4/stdint.m4:10: -1- AC_DEFUN_ONCE([gl_STDINT_H], [
  AC_PREREQ([2.59])dnl

  AC_REQUIRE([gl_LIMITS_H])
  AC_REQUIRE([gt_TYPE_WINT_T])

  dnl Check for long long int and unsigned long long int.
  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
  if test $ac_cv_type_long_long_int = yes; then
    HAVE_LONG_LONG_INT=1
  else
    HAVE_LONG_LONG_INT=0
  fi
  AC_SUBST([HAVE_LONG_LONG_INT])
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
  if test $ac_cv_type_unsigned_long_long_int = yes; then
    HAVE_UNSIGNED_LONG_LONG_INT=1
  else
    HAVE_UNSIGNED_LONG_LONG_INT=0
  fi
  AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])

  dnl Check for <wchar.h>, in the same way as gl_WCHAR_H does.
  AC_CHECK_HEADERS_ONCE([wchar.h])
  if test $ac_cv_header_wchar_h = yes; then
    HAVE_WCHAR_H=1
  else
    HAVE_WCHAR_H=0
  fi
  AC_SUBST([HAVE_WCHAR_H])

  dnl Check for <inttypes.h>.
  dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
  if test $ac_cv_header_inttypes_h = yes; then
    HAVE_INTTYPES_H=1
  else
    HAVE_INTTYPES_H=0
  fi
  AC_SUBST([HAVE_INTTYPES_H])

  dnl Check for <sys/types.h>.
  dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h.
  if test $ac_cv_header_sys_types_h = yes; then
    HAVE_SYS_TYPES_H=1
  else
    HAVE_SYS_TYPES_H=0
  fi
  AC_SUBST([HAVE_SYS_TYPES_H])

  gl_CHECK_NEXT_HEADERS([stdint.h])
  if test $ac_cv_header_stdint_h = yes; then
    HAVE_STDINT_H=1
  else
    HAVE_STDINT_H=0
  fi
  AC_SUBST([HAVE_STDINT_H])

  dnl Now see whether we need a substitute <stdint.h>.
  if test $ac_cv_header_stdint_h = yes; then
    AC_CACHE_CHECK([whether stdint.h conforms to C99],
      [gl_cv_header_working_stdint_h],
      [gl_cv_header_working_stdint_h=no
       AC_COMPILE_IFELSE([
         AC_LANG_PROGRAM([[
#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
#define __STDC_CONSTANT_MACROS 1
#define __STDC_LIMIT_MACROS 1
#include <stdint.h>
/* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>.  */
#if !(defined WCHAR_MIN && defined WCHAR_MAX)
#error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>"
#endif
]
gl_STDINT_INCLUDES
[
#ifdef INT8_MAX
int8_t a1 = INT8_MAX;
int8_t a1min = INT8_MIN;
#endif
#ifdef INT16_MAX
int16_t a2 = INT16_MAX;
int16_t a2min = INT16_MIN;
#endif
#ifdef INT32_MAX
int32_t a3 = INT32_MAX;
int32_t a3min = INT32_MIN;
#endif
#ifdef INT64_MAX
int64_t a4 = INT64_MAX;
int64_t a4min = INT64_MIN;
#endif
#ifdef UINT8_MAX
uint8_t b1 = UINT8_MAX;
#else
typedef int b1[(unsigned char) -1 != 255 ? 1 : -1];
#endif
#ifdef UINT16_MAX
uint16_t b2 = UINT16_MAX;
#endif
#ifdef UINT32_MAX
uint32_t b3 = UINT32_MAX;
#endif
#ifdef UINT64_MAX
uint64_t b4 = UINT64_MAX;
#endif
int_least8_t c1 = INT8_C (0x7f);
int_least8_t c1max = INT_LEAST8_MAX;
int_least8_t c1min = INT_LEAST8_MIN;
int_least16_t c2 = INT16_C (0x7fff);
int_least16_t c2max = INT_LEAST16_MAX;
int_least16_t c2min = INT_LEAST16_MIN;
int_least32_t c3 = INT32_C (0x7fffffff);
int_least32_t c3max = INT_LEAST32_MAX;
int_least32_t c3min = INT_LEAST32_MIN;
int_least64_t c4 = INT64_C (0x7fffffffffffffff);
int_least64_t c4max = INT_LEAST64_MAX;
int_least64_t c4min = INT_LEAST64_MIN;
uint_least8_t d1 = UINT8_C (0xff);
uint_least8_t d1max = UINT_LEAST8_MAX;
uint_least16_t d2 = UINT16_C (0xffff);
uint_least16_t d2max = UINT_LEAST16_MAX;
uint_least32_t d3 = UINT32_C (0xffffffff);
uint_least32_t d3max = UINT_LEAST32_MAX;
uint_least64_t d4 = UINT64_C (0xffffffffffffffff);
uint_least64_t d4max = UINT_LEAST64_MAX;
int_fast8_t e1 = INT_FAST8_MAX;
int_fast8_t e1min = INT_FAST8_MIN;
int_fast16_t e2 = INT_FAST16_MAX;
int_fast16_t e2min = INT_FAST16_MIN;
int_fast32_t e3 = INT_FAST32_MAX;
int_fast32_t e3min = INT_FAST32_MIN;
int_fast64_t e4 = INT_FAST64_MAX;
int_fast64_t e4min = INT_FAST64_MIN;
uint_fast8_t f1 = UINT_FAST8_MAX;
uint_fast16_t f2 = UINT_FAST16_MAX;
uint_fast32_t f3 = UINT_FAST32_MAX;
uint_fast64_t f4 = UINT_FAST64_MAX;
#ifdef INTPTR_MAX
intptr_t g = INTPTR_MAX;
intptr_t gmin = INTPTR_MIN;
#endif
#ifdef UINTPTR_MAX
uintptr_t h = UINTPTR_MAX;
#endif
intmax_t i = INTMAX_MAX;
uintmax_t j = UINTMAX_MAX;

/* Check that SIZE_MAX has the correct type, if possible.  */
#if 201112 <= __STDC_VERSION__
int k = _Generic (SIZE_MAX, size_t: 0);
#elif (2 <= __GNUC__ || defined __IBM__TYPEOF__ \
       || (0x5110 <= __SUNPRO_C && !__STDC__))
extern size_t k;
extern __typeof__ (SIZE_MAX) k;
#endif

#include <limits.h> /* for CHAR_BIT */
#define TYPE_MINIMUM(t) \
  ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t)))
#define TYPE_MAXIMUM(t) \
  ((t) ((t) 0 < (t) -1 \
        ? (t) -1 \
        : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))
struct s {
  int check_PTRDIFF:
      PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t)
      && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t)
      ? 1 : -1;
  /* Detect bug in FreeBSD 6.0 / ia64.  */
  int check_SIG_ATOMIC:
      SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t)
      && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t)
      ? 1 : -1;
  int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1;
  int check_WCHAR:
      WCHAR_MIN == TYPE_MINIMUM (wchar_t)
      && WCHAR_MAX == TYPE_MAXIMUM (wchar_t)
      ? 1 : -1;
  /* Detect bug in mingw.  */
  int check_WINT:
      WINT_MIN == TYPE_MINIMUM (wint_t)
      && WINT_MAX == TYPE_MAXIMUM (wint_t)
      ? 1 : -1;

  /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others.  */
  int check_UINT8_C:
        (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1;
  int check_UINT16_C:
        (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1;

  /* Detect bugs in OpenBSD 3.9 stdint.h.  */
#ifdef UINT8_MAX
  int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1;
#endif
#ifdef UINT16_MAX
  int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1;
#endif
#ifdef UINT32_MAX
  int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1;
#endif
#ifdef UINT64_MAX
  int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1;
#endif
  int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1;
  int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1;
  int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1;
  int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1;
  int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1;
  int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1;
  int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1;
  int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1;
  int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1;
  int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1;
  int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1;
};
         ]])],
         [dnl Determine whether the various *_MIN, *_MAX macros are usable
          dnl in preprocessor expression. We could do it by compiling a test
          dnl program for each of these macros. It is faster to run a program
          dnl that inspects the macro expansion.
          dnl This detects a bug on HP-UX 11.23/ia64.
          AC_RUN_IFELSE([
            AC_LANG_PROGRAM([[
#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
#define __STDC_CONSTANT_MACROS 1
#define __STDC_LIMIT_MACROS 1
#include <stdint.h>
]
gl_STDINT_INCLUDES
[
#include <stdio.h>
#include <string.h>
#define MVAL(macro) MVAL1(macro)
#define MVAL1(expression) #expression
static const char *macro_values[] =
  {
#ifdef INT8_MAX
    MVAL (INT8_MAX),
#endif
#ifdef INT16_MAX
    MVAL (INT16_MAX),
#endif
#ifdef INT32_MAX
    MVAL (INT32_MAX),
#endif
#ifdef INT64_MAX
    MVAL (INT64_MAX),
#endif
#ifdef UINT8_MAX
    MVAL (UINT8_MAX),
#endif
#ifdef UINT16_MAX
    MVAL (UINT16_MAX),
#endif
#ifdef UINT32_MAX
    MVAL (UINT32_MAX),
#endif
#ifdef UINT64_MAX
    MVAL (UINT64_MAX),
#endif
    NULL
  };
]], [[
  const char **mv;
  for (mv = macro_values; *mv != NULL; mv++)
    {
      const char *value = *mv;
      /* Test whether it looks like a cast expression.  */
      if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0
          || strncmp (value, "((unsigned short)"/*)*/, 17) == 0
          || strncmp (value, "((unsigned char)"/*)*/, 16) == 0
          || strncmp (value, "((int)"/*)*/, 6) == 0
          || strncmp (value, "((signed short)"/*)*/, 15) == 0
          || strncmp (value, "((signed char)"/*)*/, 14) == 0)
        return mv - macro_values + 1;
    }
  return 0;
]])],
              [gl_cv_header_working_stdint_h=yes],
              [],
              [dnl When cross-compiling, assume it works.
               gl_cv_header_working_stdint_h=yes
              ])
         ])
      ])
  fi

  HAVE_C99_STDINT_H=0
  HAVE_SYS_BITYPES_H=0
  HAVE_SYS_INTTYPES_H=0
  STDINT_H=stdint.h
  if test "$gl_cv_header_working_stdint_h" = yes; then
    HAVE_C99_STDINT_H=1
    dnl Now see whether the system <stdint.h> works without
    dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined.
    AC_CACHE_CHECK([whether stdint.h predates C++11],
      [gl_cv_header_stdint_predates_cxx11_h],
      [gl_cv_header_stdint_predates_cxx11_h=yes
       AC_COMPILE_IFELSE([
         AC_LANG_PROGRAM([[
#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
#include <stdint.h>
]
gl_STDINT_INCLUDES
[
intmax_t im = INTMAX_MAX;
int32_t i32 = INT32_C (0x7fffffff);
         ]])],
         [gl_cv_header_stdint_predates_cxx11_h=no])])

    if test "$gl_cv_header_stdint_predates_cxx11_h" = yes; then
      AC_DEFINE([__STDC_CONSTANT_MACROS], [1],
                [Define to 1 if the system <stdint.h> predates C++11.])
      AC_DEFINE([__STDC_LIMIT_MACROS], [1],
                [Define to 1 if the system <stdint.h> predates C++11.])
    fi
    AC_CACHE_CHECK([whether stdint.h has UINTMAX_WIDTH etc.],
      [gl_cv_header_stdint_width],
      [gl_cv_header_stdint_width=no
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[
            /* Work if build is not clean.  */
            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1
            #ifndef __STDC_WANT_IEC_60559_BFP_EXT__
             #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
            #endif
            #include <stdint.h>
            ]gl_STDINT_INCLUDES[
            int iw = UINTMAX_WIDTH;
            ]])],
         [gl_cv_header_stdint_width=yes])])
    if test "$gl_cv_header_stdint_width" = yes; then
      STDINT_H=
    fi
  else
    dnl Check for <sys/inttypes.h>, and for
    dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
    AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h])
    if test $ac_cv_header_sys_inttypes_h = yes; then
      HAVE_SYS_INTTYPES_H=1
    fi
    if test $ac_cv_header_sys_bitypes_h = yes; then
      HAVE_SYS_BITYPES_H=1
    fi
    gl_STDINT_TYPE_PROPERTIES
  fi

  dnl The substitute stdint.h needs the substitute limit.h's _GL_INTEGER_WIDTH.
  LIMITS_H=limits.h
  AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])

  AC_SUBST([HAVE_C99_STDINT_H])
  AC_SUBST([HAVE_SYS_BITYPES_H])
  AC_SUBST([HAVE_SYS_INTTYPES_H])
  AC_SUBST([STDINT_H])
  AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$STDINT_H"])
])
m4trace:m4/stdint.m4:371: -1- AC_DEFUN([gl_STDINT_BITSIZEOF], [
  dnl Use a shell loop, to avoid bloating configure, and
  dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
  dnl   config.h.in,
  dnl - extra AC_SUBST calls, so that the right substitutions are made.
  m4_foreach_w([gltype], [$1],
    [AH_TEMPLATE([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
       [Define to the number of bits in type ']gltype['.])])
  for gltype in $1 ; do
    AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}],
      [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT],
         [$2
#include <limits.h>], [result=unknown])
       eval gl_cv_bitsizeof_${gltype}=\$result
      ])
    eval result=\$gl_cv_bitsizeof_${gltype}
    if test $result = unknown; then
      dnl Use a nonempty default, because some compilers, such as IRIX 5 cc,
      dnl do a syntax check even on unused #if conditions and give an error
      dnl on valid C code like this:
      dnl   #if 0
      dnl   # if  > 32
      dnl   # endif
      dnl   #endif
      result=0
    fi
    GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
    AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
    eval BITSIZEOF_${GLTYPE}=\$result
  done
  m4_foreach_w([gltype], [$1],
    [AC_SUBST([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
])
m4trace:m4/stdint.m4:409: -1- AC_DEFUN([gl_CHECK_TYPES_SIGNED], [
  dnl Use a shell loop, to avoid bloating configure, and
  dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
  dnl   config.h.in,
  dnl - extra AC_SUBST calls, so that the right substitutions are made.
  m4_foreach_w([gltype], [$1],
    [AH_TEMPLATE([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
       [Define to 1 if ']gltype[' is a signed integer type.])])
  for gltype in $1 ; do
    AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([$2[
            int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])],
         result=yes, result=no)
       eval gl_cv_type_${gltype}_signed=\$result
      ])
    eval result=\$gl_cv_type_${gltype}_signed
    GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
    if test "$result" = yes; then
      AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1])
      eval HAVE_SIGNED_${GLTYPE}=1
    else
      eval HAVE_SIGNED_${GLTYPE}=0
    fi
  done
  m4_foreach_w([gltype], [$1],
    [AC_SUBST([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
])
m4trace:m4/stdint.m4:442: -1- AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], [
  dnl Use a shell loop, to avoid bloating configure, and
  dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
  dnl   config.h.in,
  dnl - extra AC_SUBST calls, so that the right substitutions are made.
  m4_foreach_w([gltype], [$1],
    [AH_TEMPLATE(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX],
       [Define to l, ll, u, ul, ull, etc., as suitable for
        constants of type ']gltype['.])])
  for gltype in $1 ; do
    AC_CACHE_CHECK([for $gltype integer literal suffix],
      [gl_cv_type_${gltype}_suffix],
      [eval gl_cv_type_${gltype}_suffix=no
       eval result=\$gl_cv_type_${gltype}_signed
       if test "$result" = yes; then
         glsufu=
       else
         glsufu=u
       fi
       for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do
         case $glsuf in
           '')  gltype1='int';;
           l)   gltype1='long int';;
           ll)  gltype1='long long int';;
           i64) gltype1='__int64';;
           u)   gltype1='unsigned int';;
           ul)  gltype1='unsigned long int';;
           ull) gltype1='unsigned long long int';;
           ui64)gltype1='unsigned __int64';;
         esac
         AC_COMPILE_IFELSE(
           [AC_LANG_PROGRAM([$2[
              extern $gltype foo;
              extern $gltype1 foo;]])],
           [eval gl_cv_type_${gltype}_suffix=\$glsuf])
         eval result=\$gl_cv_type_${gltype}_suffix
         test "$result" != no && break
       done])
    GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
    eval result=\$gl_cv_type_${gltype}_suffix
    test "$result" = no && result=
    eval ${GLTYPE}_SUFFIX=\$result
    AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result])
  done
  m4_foreach_w([gltype], [$1],
    [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])])
])
m4trace:m4/stdint.m4:492: -1- AC_DEFUN([gl_STDINT_INCLUDES], [[
  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
     included before <wchar.h>.  */
  #include <stddef.h>
  #include <signal.h>
  #if HAVE_WCHAR_H
  # include <stdio.h>
  # include <time.h>
  # include <wchar.h>
  #endif
]])
m4trace:m4/stdint.m4:508: -1- AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], [
  AC_REQUIRE([gl_MULTIARCH])
  if test $APPLE_UNIVERSAL_BUILD = 0; then
    gl_STDINT_BITSIZEOF([ptrdiff_t size_t],
      [gl_STDINT_INCLUDES])
  fi
  gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t],
    [gl_STDINT_INCLUDES])
  gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t],
    [gl_STDINT_INCLUDES])
  gl_cv_type_ptrdiff_t_signed=yes
  gl_cv_type_size_t_signed=no
  if test $APPLE_UNIVERSAL_BUILD = 0; then
    gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t],
      [gl_STDINT_INCLUDES])
  fi
  gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
    [gl_STDINT_INCLUDES])

  dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99
  dnl requirement that wint_t is "unchanged by default argument promotions".
  dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t.
  dnl Set the variable BITSIZEOF_WINT_T accordingly.
  if test $GNULIB_OVERRIDES_WINT_T = 1; then
    BITSIZEOF_WINT_T=32
  fi
])
m4trace:m4/stdint_h.m4:12: -1- AC_DEFUN([gl_AC_HEADER_STDINT_H], [
  AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <sys/types.h>
            #include <stdint.h>]],
          [[uintmax_t i = (uintmax_t) -1; return !i;]])],
       [gl_cv_header_stdint_h=yes],
       [gl_cv_header_stdint_h=no])])
  if test $gl_cv_header_stdint_h = yes; then
    AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1],
      [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
       and declares uintmax_t. ])
  fi
])
m4trace:m4/stdio_h.m4:7: -1- AC_DEFUN([gl_STDIO_H], [
  AH_VERBATIM([MINGW_ANSI_STDIO],
[/* Use GNU style printf and scanf.  */
#ifndef __USE_MINGW_ANSI_STDIO
# undef __USE_MINGW_ANSI_STDIO
#endif
])
  AC_DEFINE([__USE_MINGW_ANSI_STDIO])
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  gl_NEXT_HEADERS([stdio.h])

  dnl Determine whether __USE_MINGW_ANSI_STDIO makes printf and
  dnl inttypes.h behave like gnu instead of system; we must give our
  dnl printf wrapper the right attribute to match.
  AC_CACHE_CHECK([which flavor of printf attribute matches inttypes macros],
    [gl_cv_func_printf_attribute_flavor],
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
       #define __STDC_FORMAT_MACROS 1
       #include <stdio.h>
       #include <inttypes.h>
       /* For non-mingw systems, compilation will trivially succeed.
          For mingw, compilation will succeed for older mingw (system
          printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */
       #if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) && \
         (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
       extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1];
       #endif
      ]])], [gl_cv_func_printf_attribute_flavor=system],
      [gl_cv_func_printf_attribute_flavor=gnu])])
  if test "$gl_cv_func_printf_attribute_flavor" = gnu; then
    AC_DEFINE([GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU], [1],
      [Define to 1 if printf and friends should be labeled with
       attribute "__gnu_printf__" instead of "__printf__"])
  fi

  dnl No need to create extra modules for these functions. Everyone who uses
  dnl <stdio.h> likely needs them.
  GNULIB_FSCANF=1
  gl_MODULE_INDICATOR([fscanf])
  GNULIB_SCANF=1
  gl_MODULE_INDICATOR([scanf])
  GNULIB_FGETC=1
  GNULIB_GETC=1
  GNULIB_GETCHAR=1
  GNULIB_FGETS=1
  GNULIB_FREAD=1
  dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c"
  dnl "expected source file, required through AC_LIBSOURCES, not found". It is
  dnl also an optimization, to avoid performing a configure check whose result
  dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING
  dnl or GNULIB_NONBLOCKING redundant.
  m4_ifdef([gl_NONBLOCKING_IO], [
    gl_NONBLOCKING_IO
    if test $gl_cv_have_nonblocking != yes; then
      REPLACE_STDIO_READ_FUNCS=1
      AC_LIBOBJ([stdio-read])
    fi
  ])

  dnl No need to create extra modules for these functions. Everyone who uses
  dnl <stdio.h> likely needs them.
  GNULIB_FPRINTF=1
  GNULIB_PRINTF=1
  GNULIB_VFPRINTF=1
  GNULIB_VPRINTF=1
  GNULIB_FPUTC=1
  GNULIB_PUTC=1
  GNULIB_PUTCHAR=1
  GNULIB_FPUTS=1
  GNULIB_PUTS=1
  GNULIB_FWRITE=1
  dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
  dnl "expected source file, required through AC_LIBSOURCES, not found". It is
  dnl also an optimization, to avoid performing a configure check whose result
  dnl is not used. But it does not make the test of GNULIB_STDIO_H_SIGPIPE or
  dnl GNULIB_SIGPIPE redundant.
  m4_ifdef([gl_SIGNAL_SIGPIPE], [
    gl_SIGNAL_SIGPIPE
    if test $gl_cv_header_signal_h_SIGPIPE != yes; then
      REPLACE_STDIO_WRITE_FUNCS=1
      AC_LIBOBJ([stdio-write])
    fi
  ])
  dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
  dnl "expected source file, required through AC_LIBSOURCES, not found". It is
  dnl also an optimization, to avoid performing a configure check whose result
  dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING
  dnl or GNULIB_NONBLOCKING redundant.
  m4_ifdef([gl_NONBLOCKING_IO], [
    gl_NONBLOCKING_IO
    if test $gl_cv_have_nonblocking != yes; then
      REPLACE_STDIO_WRITE_FUNCS=1
      AC_LIBOBJ([stdio-write])
    fi
  ])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use, and which is not
  dnl guaranteed by both C89 and C11.
  gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
    ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen
    renameat snprintf tmpfile vdprintf vsnprintf])
])
m4trace:m4/stdio_h.m4:112: -1- AC_DEFUN([gl_STDIO_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/stdio_h.m4:121: -1- AC_DEFUN([gl_STDIO_H_DEFAULTS], [
  GNULIB_DPRINTF=0;              AC_SUBST([GNULIB_DPRINTF])
  GNULIB_FCLOSE=0;               AC_SUBST([GNULIB_FCLOSE])
  GNULIB_FDOPEN=0;               AC_SUBST([GNULIB_FDOPEN])
  GNULIB_FFLUSH=0;               AC_SUBST([GNULIB_FFLUSH])
  GNULIB_FGETC=0;                AC_SUBST([GNULIB_FGETC])
  GNULIB_FGETS=0;                AC_SUBST([GNULIB_FGETS])
  GNULIB_FOPEN=0;                AC_SUBST([GNULIB_FOPEN])
  GNULIB_FPRINTF=0;              AC_SUBST([GNULIB_FPRINTF])
  GNULIB_FPRINTF_POSIX=0;        AC_SUBST([GNULIB_FPRINTF_POSIX])
  GNULIB_FPURGE=0;               AC_SUBST([GNULIB_FPURGE])
  GNULIB_FPUTC=0;                AC_SUBST([GNULIB_FPUTC])
  GNULIB_FPUTS=0;                AC_SUBST([GNULIB_FPUTS])
  GNULIB_FREAD=0;                AC_SUBST([GNULIB_FREAD])
  GNULIB_FREOPEN=0;              AC_SUBST([GNULIB_FREOPEN])
  GNULIB_FSCANF=0;               AC_SUBST([GNULIB_FSCANF])
  GNULIB_FSEEK=0;                AC_SUBST([GNULIB_FSEEK])
  GNULIB_FSEEKO=0;               AC_SUBST([GNULIB_FSEEKO])
  GNULIB_FTELL=0;                AC_SUBST([GNULIB_FTELL])
  GNULIB_FTELLO=0;               AC_SUBST([GNULIB_FTELLO])
  GNULIB_FWRITE=0;               AC_SUBST([GNULIB_FWRITE])
  GNULIB_GETC=0;                 AC_SUBST([GNULIB_GETC])
  GNULIB_GETCHAR=0;              AC_SUBST([GNULIB_GETCHAR])
  GNULIB_GETDELIM=0;             AC_SUBST([GNULIB_GETDELIM])
  GNULIB_GETLINE=0;              AC_SUBST([GNULIB_GETLINE])
  GNULIB_OBSTACK_PRINTF=0;       AC_SUBST([GNULIB_OBSTACK_PRINTF])
  GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
  GNULIB_PCLOSE=0;               AC_SUBST([GNULIB_PCLOSE])
  GNULIB_PERROR=0;               AC_SUBST([GNULIB_PERROR])
  GNULIB_POPEN=0;                AC_SUBST([GNULIB_POPEN])
  GNULIB_PRINTF=0;               AC_SUBST([GNULIB_PRINTF])
  GNULIB_PRINTF_POSIX=0;         AC_SUBST([GNULIB_PRINTF_POSIX])
  GNULIB_PUTC=0;                 AC_SUBST([GNULIB_PUTC])
  GNULIB_PUTCHAR=0;              AC_SUBST([GNULIB_PUTCHAR])
  GNULIB_PUTS=0;                 AC_SUBST([GNULIB_PUTS])
  GNULIB_REMOVE=0;               AC_SUBST([GNULIB_REMOVE])
  GNULIB_RENAME=0;               AC_SUBST([GNULIB_RENAME])
  GNULIB_RENAMEAT=0;             AC_SUBST([GNULIB_RENAMEAT])
  GNULIB_SCANF=0;                AC_SUBST([GNULIB_SCANF])
  GNULIB_SNPRINTF=0;             AC_SUBST([GNULIB_SNPRINTF])
  GNULIB_SPRINTF_POSIX=0;        AC_SUBST([GNULIB_SPRINTF_POSIX])
  GNULIB_STDIO_H_NONBLOCKING=0;  AC_SUBST([GNULIB_STDIO_H_NONBLOCKING])
  GNULIB_STDIO_H_SIGPIPE=0;      AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
  GNULIB_TMPFILE=0;              AC_SUBST([GNULIB_TMPFILE])
  GNULIB_VASPRINTF=0;            AC_SUBST([GNULIB_VASPRINTF])
  GNULIB_VFSCANF=0;              AC_SUBST([GNULIB_VFSCANF])
  GNULIB_VSCANF=0;               AC_SUBST([GNULIB_VSCANF])
  GNULIB_VDPRINTF=0;             AC_SUBST([GNULIB_VDPRINTF])
  GNULIB_VFPRINTF=0;             AC_SUBST([GNULIB_VFPRINTF])
  GNULIB_VFPRINTF_POSIX=0;       AC_SUBST([GNULIB_VFPRINTF_POSIX])
  GNULIB_VPRINTF=0;              AC_SUBST([GNULIB_VPRINTF])
  GNULIB_VPRINTF_POSIX=0;        AC_SUBST([GNULIB_VPRINTF_POSIX])
  GNULIB_VSNPRINTF=0;            AC_SUBST([GNULIB_VSNPRINTF])
  GNULIB_VSPRINTF_POSIX=0;       AC_SUBST([GNULIB_VSPRINTF_POSIX])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_DECL_FPURGE=1;            AC_SUBST([HAVE_DECL_FPURGE])
  HAVE_DECL_FSEEKO=1;            AC_SUBST([HAVE_DECL_FSEEKO])
  HAVE_DECL_FTELLO=1;            AC_SUBST([HAVE_DECL_FTELLO])
  HAVE_DECL_GETDELIM=1;          AC_SUBST([HAVE_DECL_GETDELIM])
  HAVE_DECL_GETLINE=1;           AC_SUBST([HAVE_DECL_GETLINE])
  HAVE_DECL_OBSTACK_PRINTF=1;    AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
  HAVE_DECL_SNPRINTF=1;          AC_SUBST([HAVE_DECL_SNPRINTF])
  HAVE_DECL_VSNPRINTF=1;         AC_SUBST([HAVE_DECL_VSNPRINTF])
  HAVE_DPRINTF=1;                AC_SUBST([HAVE_DPRINTF])
  HAVE_FSEEKO=1;                 AC_SUBST([HAVE_FSEEKO])
  HAVE_FTELLO=1;                 AC_SUBST([HAVE_FTELLO])
  HAVE_PCLOSE=1;                 AC_SUBST([HAVE_PCLOSE])
  HAVE_POPEN=1;                  AC_SUBST([HAVE_POPEN])
  HAVE_RENAMEAT=1;               AC_SUBST([HAVE_RENAMEAT])
  HAVE_VASPRINTF=1;              AC_SUBST([HAVE_VASPRINTF])
  HAVE_VDPRINTF=1;               AC_SUBST([HAVE_VDPRINTF])
  REPLACE_DPRINTF=0;             AC_SUBST([REPLACE_DPRINTF])
  REPLACE_FCLOSE=0;              AC_SUBST([REPLACE_FCLOSE])
  REPLACE_FDOPEN=0;              AC_SUBST([REPLACE_FDOPEN])
  REPLACE_FFLUSH=0;              AC_SUBST([REPLACE_FFLUSH])
  REPLACE_FOPEN=0;               AC_SUBST([REPLACE_FOPEN])
  REPLACE_FPRINTF=0;             AC_SUBST([REPLACE_FPRINTF])
  REPLACE_FPURGE=0;              AC_SUBST([REPLACE_FPURGE])
  REPLACE_FREOPEN=0;             AC_SUBST([REPLACE_FREOPEN])
  REPLACE_FSEEK=0;               AC_SUBST([REPLACE_FSEEK])
  REPLACE_FSEEKO=0;              AC_SUBST([REPLACE_FSEEKO])
  REPLACE_FTELL=0;               AC_SUBST([REPLACE_FTELL])
  REPLACE_FTELLO=0;              AC_SUBST([REPLACE_FTELLO])
  REPLACE_GETDELIM=0;            AC_SUBST([REPLACE_GETDELIM])
  REPLACE_GETLINE=0;             AC_SUBST([REPLACE_GETLINE])
  REPLACE_OBSTACK_PRINTF=0;      AC_SUBST([REPLACE_OBSTACK_PRINTF])
  REPLACE_PERROR=0;              AC_SUBST([REPLACE_PERROR])
  REPLACE_POPEN=0;               AC_SUBST([REPLACE_POPEN])
  REPLACE_PRINTF=0;              AC_SUBST([REPLACE_PRINTF])
  REPLACE_REMOVE=0;              AC_SUBST([REPLACE_REMOVE])
  REPLACE_RENAME=0;              AC_SUBST([REPLACE_RENAME])
  REPLACE_RENAMEAT=0;            AC_SUBST([REPLACE_RENAMEAT])
  REPLACE_SNPRINTF=0;            AC_SUBST([REPLACE_SNPRINTF])
  REPLACE_SPRINTF=0;             AC_SUBST([REPLACE_SPRINTF])
  REPLACE_STDIO_READ_FUNCS=0;    AC_SUBST([REPLACE_STDIO_READ_FUNCS])
  REPLACE_STDIO_WRITE_FUNCS=0;   AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
  REPLACE_TMPFILE=0;             AC_SUBST([REPLACE_TMPFILE])
  REPLACE_VASPRINTF=0;           AC_SUBST([REPLACE_VASPRINTF])
  REPLACE_VDPRINTF=0;            AC_SUBST([REPLACE_VDPRINTF])
  REPLACE_VFPRINTF=0;            AC_SUBST([REPLACE_VFPRINTF])
  REPLACE_VPRINTF=0;             AC_SUBST([REPLACE_VPRINTF])
  REPLACE_VSNPRINTF=0;           AC_SUBST([REPLACE_VSNPRINTF])
  REPLACE_VSPRINTF=0;            AC_SUBST([REPLACE_VSPRINTF])
])
m4trace:m4/stdlib_h.m4:7: -1- AC_DEFUN([gl_STDLIB_H], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  gl_NEXT_HEADERS([stdlib.h])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use, and which is not
  dnl guaranteed by C89.
  gl_WARN_ON_USE_PREPARE([[#include <stdlib.h>
#if HAVE_SYS_LOADAVG_H
# include <sys/loadavg.h>
#endif
#if HAVE_RANDOM_H
# include <random.h>
#endif
    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt
    initstate initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps
    posix_openpt ptsname ptsname_r qsort_r random random_r realpath rpmatch
    secure_getenv setenv setstate setstate_r srandom srandom_r
    strtod strtoll strtoull unlockpt unsetenv])
])
m4trace:m4/stdlib_h.m4:29: -1- AC_DEFUN([gl_STDLIB_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/stdlib_h.m4:38: -1- AC_DEFUN([gl_STDLIB_H_DEFAULTS], [
  GNULIB__EXIT=0;         AC_SUBST([GNULIB__EXIT])
  GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
  GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
  GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
  GNULIB_GETLOADAVG=0;    AC_SUBST([GNULIB_GETLOADAVG])
  GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
  GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
  GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
  GNULIB_MBTOWC=0;        AC_SUBST([GNULIB_MBTOWC])
  GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
  GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
  GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
  GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
  GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
  GNULIB_POSIX_OPENPT=0;  AC_SUBST([GNULIB_POSIX_OPENPT])
  GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
  GNULIB_PTSNAME_R=0;     AC_SUBST([GNULIB_PTSNAME_R])
  GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
  GNULIB_QSORT_R=0;       AC_SUBST([GNULIB_QSORT_R])
  GNULIB_RANDOM=0;        AC_SUBST([GNULIB_RANDOM])
  GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
  GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
  GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
  GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
  GNULIB_SECURE_GETENV=0; AC_SUBST([GNULIB_SECURE_GETENV])
  GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
  GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
  GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
  GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
  GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])
  GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
  GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
  GNULIB_WCTOMB=0;        AC_SUBST([GNULIB_WCTOMB])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
  HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
  HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
  HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
  HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
  HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
  HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
  HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
  HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
  HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
  HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
  HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
  HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
  HAVE_PTSNAME_R=1;          AC_SUBST([HAVE_PTSNAME_R])
  HAVE_QSORT_R=1;            AC_SUBST([HAVE_QSORT_R])
  HAVE_RANDOM=1;             AC_SUBST([HAVE_RANDOM])
  HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
  HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
  HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
  HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
  HAVE_SECURE_GETENV=1;      AC_SUBST([HAVE_SECURE_GETENV])
  HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
  HAVE_DECL_SETENV=1;        AC_SUBST([HAVE_DECL_SETENV])
  HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
  HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
  HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
  HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
  HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
  HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
  HAVE_DECL_UNSETENV=1;      AC_SUBST([HAVE_DECL_UNSETENV])
  REPLACE_CALLOC=0;          AC_SUBST([REPLACE_CALLOC])
  REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
  REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
  REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
  REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
  REPLACE_PTSNAME=0;         AC_SUBST([REPLACE_PTSNAME])
  REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
  REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
  REPLACE_QSORT_R=0;         AC_SUBST([REPLACE_QSORT_R])
  REPLACE_RANDOM_R=0;        AC_SUBST([REPLACE_RANDOM_R])
  REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
  REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
  REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
  REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
  REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
  REPLACE_WCTOMB=0;          AC_SUBST([REPLACE_WCTOMB])
])
m4trace:m4/strcase.m4:7: -1- AC_DEFUN([gl_STRCASE], [
  gl_FUNC_STRCASECMP
  gl_FUNC_STRNCASECMP
])
m4trace:m4/strcase.m4:13: -1- AC_DEFUN([gl_FUNC_STRCASECMP], [
  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
  AC_CHECK_FUNCS([strcasecmp])
  if test $ac_cv_func_strcasecmp = no; then
    HAVE_STRCASECMP=0
  fi
])
m4trace:m4/strcase.m4:22: -1- AC_DEFUN([gl_FUNC_STRNCASECMP], [
  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
  AC_CHECK_FUNCS([strncasecmp])
  if test $ac_cv_func_strncasecmp = yes; then
    HAVE_STRNCASECMP=1
  else
    HAVE_STRNCASECMP=0
  fi
  AC_CHECK_DECLS([strncasecmp])
  if test $ac_cv_have_decl_strncasecmp = no; then
    HAVE_DECL_STRNCASECMP=0
  fi
])
m4trace:m4/strcase.m4:38: -1- AC_DEFUN([gl_PREREQ_STRCASECMP], [
  :
])
m4trace:m4/strcase.m4:43: -1- AC_DEFUN([gl_PREREQ_STRNCASECMP], [
  :
])
m4trace:m4/strerror.m4:7: -1- AC_DEFUN([gl_FUNC_STRERROR], [
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  AC_REQUIRE([gl_HEADER_ERRNO_H])
  AC_REQUIRE([gl_FUNC_STRERROR_0])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  m4_ifdef([gl_FUNC_STRERROR_R_WORKS], [
    AC_REQUIRE([gl_FUNC_STRERROR_R_WORKS])
  ])
  if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then
    AC_CACHE_CHECK([for working strerror function],
     [gl_cv_func_working_strerror],
     [AC_RUN_IFELSE(
        [AC_LANG_PROGRAM(
           [[#include <string.h>
           ]],
           [[if (!*strerror (-2)) return 1;]])],
        [gl_cv_func_working_strerror=yes],
        [gl_cv_func_working_strerror=no],
        [case "$host_os" in
                   # Guess yes on glibc systems.
           *-gnu*) gl_cv_func_working_strerror="guessing yes" ;;
                   # If we don't know, assume the worst.
           *)      gl_cv_func_working_strerror="guessing no" ;;
         esac
        ])
    ])
    case "$gl_cv_func_working_strerror" in
      *yes) ;;
      *)
        dnl The system's strerror() fails to return a string for out-of-range
        dnl integers. Replace it.
        REPLACE_STRERROR=1
        ;;
    esac
    m4_ifdef([gl_FUNC_STRERROR_R_WORKS], [
      dnl If the system's strerror_r or __xpg_strerror_r clobbers strerror's
      dnl buffer, we must replace strerror.
      case "$gl_cv_func_strerror_r_works" in
        *no) REPLACE_STRERROR=1 ;;
      esac
    ])
  else
    dnl The system's strerror() cannot know about the new errno values we add
    dnl to <errno.h>, or any fix for strerror(0). Replace it.
    REPLACE_STRERROR=1
  fi
])
m4trace:m4/strerror.m4:58: -1- AC_DEFUN([gl_FUNC_STRERROR_0], [
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  REPLACE_STRERROR_0=0
  AC_CACHE_CHECK([whether strerror(0) succeeds],
   [gl_cv_func_strerror_0_works],
   [AC_RUN_IFELSE(
      [AC_LANG_PROGRAM(
         [[#include <string.h>
           #include <errno.h>
         ]],
         [[int result = 0;
           char *str;
           errno = 0;
           str = strerror (0);
           if (!*str) result |= 1;
           if (errno) result |= 2;
           if (strstr (str, "nknown") || strstr (str, "ndefined"))
             result |= 4;
           return result;]])],
      [gl_cv_func_strerror_0_works=yes],
      [gl_cv_func_strerror_0_works=no],
      [case "$host_os" in
                 # Guess yes on glibc systems.
         *-gnu*) gl_cv_func_strerror_0_works="guessing yes" ;;
                 # If we don't know, assume the worst.
         *)      gl_cv_func_strerror_0_works="guessing no" ;;
       esac
      ])
  ])
  case "$gl_cv_func_strerror_0_works" in
    *yes) ;;
    *)
      REPLACE_STRERROR_0=1
      AC_DEFINE([REPLACE_STRERROR_0], [1], [Define to 1 if strerror(0)
        does not return a message implying success.])
      ;;
  esac
])
m4trace:m4/strerror_r.m4:7: -1- AC_DEFUN([gl_FUNC_STRERROR_R], [
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  AC_REQUIRE([gl_FUNC_STRERROR_R_WORKS])

  dnl Persuade Solaris <string.h> to declare strerror_r().
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  dnl Some systems don't declare strerror_r() if _THREAD_SAFE and _REENTRANT
  dnl are not defined.
  AC_CHECK_DECLS_ONCE([strerror_r])
  if test $ac_cv_have_decl_strerror_r = no; then
    HAVE_DECL_STRERROR_R=0
  fi

  if test $ac_cv_func_strerror_r = yes; then
    if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then
      if test $gl_cv_func_strerror_r_posix_signature = yes; then
        case "$gl_cv_func_strerror_r_works" in
          dnl The system's strerror_r has bugs.  Replace it.
          *no) REPLACE_STRERROR_R=1 ;;
        esac
      else
        dnl The system's strerror_r() has a wrong signature. Replace it.
        REPLACE_STRERROR_R=1
      fi
    else
      dnl The system's strerror_r() cannot know about the new errno values we
      dnl add to <errno.h>, or any fix for strerror(0). Replace it.
      REPLACE_STRERROR_R=1
    fi
  fi
])
m4trace:m4/strerror_r.m4:42: -1- AC_DEFUN([gl_PREREQ_STRERROR_R], [
  dnl glibc >= 2.3.4 and cygwin 1.7.9 have a function __xpg_strerror_r.
  AC_CHECK_FUNCS_ONCE([__xpg_strerror_r])
  AC_CHECK_FUNCS_ONCE([catgets])
  AC_CHECK_FUNCS_ONCE([snprintf])
])
m4trace:m4/strerror_r.m4:51: -1- AC_DEFUN([gl_FUNC_STRERROR_R_WORKS], [
  AC_REQUIRE([gl_HEADER_ERRNO_H])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([gl_FUNC_STRERROR_0])

  AC_CHECK_FUNCS_ONCE([strerror_r])
  if test $ac_cv_func_strerror_r = yes; then
    if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then
      dnl The POSIX prototype is:  int strerror_r (int, char *, size_t);
      dnl glibc, Cygwin:           char *strerror_r (int, char *, size_t);
      dnl AIX 5.1, OSF/1 5.1:      int strerror_r (int, char *, int);
      AC_CACHE_CHECK([for strerror_r with POSIX signature],
        [gl_cv_func_strerror_r_posix_signature],
        [AC_COMPILE_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <string.h>
                int strerror_r (int, char *, size_t);
              ]],
              [])],
           [gl_cv_func_strerror_r_posix_signature=yes],
           [gl_cv_func_strerror_r_posix_signature=no])
        ])
      if test $gl_cv_func_strerror_r_posix_signature = yes; then
        dnl AIX 6.1 strerror_r fails by returning -1, not an error number.
        dnl HP-UX 11.31 strerror_r always fails when the buffer length argument
        dnl is less than 80.
        dnl FreeBSD 8.s strerror_r claims failure on 0
        dnl Mac OS X 10.5 strerror_r treats 0 like -1
        dnl Solaris 10 strerror_r corrupts errno on failure
        AC_CACHE_CHECK([whether strerror_r works],
          [gl_cv_func_strerror_r_works],
          [AC_RUN_IFELSE(
             [AC_LANG_PROGRAM(
                [[#include <errno.h>
                  #include <string.h>
                ]],
                [[int result = 0;
                  char buf[79];
                  if (strerror_r (EACCES, buf, 0) < 0)
                    result |= 1;
                  errno = 0;
                  if (strerror_r (EACCES, buf, sizeof buf) != 0)
                    result |= 2;
                  strcpy (buf, "Unknown");
                  if (strerror_r (0, buf, sizeof buf) != 0)
                    result |= 4;
                  if (errno)
                    result |= 8;
                  if (strstr (buf, "nknown") || strstr (buf, "ndefined"))
                    result |= 0x10;
                  errno = 0;
                  *buf = 0;
                  if (strerror_r (-3, buf, sizeof buf) < 0)
                    result |= 0x20;
                  if (errno)
                    result |= 0x40;
                  if (!*buf)
                    result |= 0x80;
                  return result;
                ]])],
             [gl_cv_func_strerror_r_works=yes],
             [gl_cv_func_strerror_r_works=no],
             [
changequote(,)dnl
              case "$host_os" in
                       # Guess no on AIX.
                aix*)  gl_cv_func_strerror_r_works="guessing no";;
                       # Guess no on HP-UX.
                hpux*) gl_cv_func_strerror_r_works="guessing no";;
                       # Guess no on BSD variants.
                *bsd*)  gl_cv_func_strerror_r_works="guessing no";;
                       # Guess yes otherwise.
                *)     gl_cv_func_strerror_r_works="guessing yes";;
              esac
changequote([,])dnl
             ])
          ])
      else
        dnl The system's strerror() has a wrong signature.
        dnl glibc >= 2.3.4 and cygwin 1.7.9 have a function __xpg_strerror_r.
        AC_CHECK_FUNCS_ONCE([__xpg_strerror_r])
        dnl In glibc < 2.14, __xpg_strerror_r does not populate buf on failure.
        dnl In cygwin < 1.7.10, __xpg_strerror_r clobbers strerror's buffer.
        if test $ac_cv_func___xpg_strerror_r = yes; then
          AC_CACHE_CHECK([whether __xpg_strerror_r works],
            [gl_cv_func_strerror_r_works],
            [AC_RUN_IFELSE(
               [AC_LANG_PROGRAM(
                  [[#include <errno.h>
                    #include <string.h>
                    extern
                    #ifdef __cplusplus
                    "C"
                    #endif
                    int __xpg_strerror_r(int, char *, size_t);
                  ]],
                  [[int result = 0;
                    char buf[256] = "^";
                    char copy[256];
                    char *str = strerror (-1);
                    strcpy (copy, str);
                    if (__xpg_strerror_r (-2, buf, 1) == 0)
                      result |= 1;
                    if (*buf)
                      result |= 2;
                    __xpg_strerror_r (-2, buf, 256);
                    if (strcmp (str, copy))
                      result |= 4;
                    return result;
                  ]])],
               [gl_cv_func_strerror_r_works=yes],
               [gl_cv_func_strerror_r_works=no],
               [dnl Guess no on all platforms that have __xpg_strerror_r,
                dnl at least until fixed glibc and cygwin are more common.
                gl_cv_func_strerror_r_works="guessing no"
               ])
            ])
        fi
      fi
    fi
  fi
])
m4trace:m4/strftime.m4:11: -1- AC_DEFUN([gl_FUNC_GNU_STRFTIME], [
 # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
 AC_REQUIRE([AC_STRUCT_TIMEZONE])

 AC_REQUIRE([gl_TM_GMTOFF])

 AC_CHECK_FUNCS_ONCE([tzset])

 AC_DEFINE([my_strftime], [nstrftime],
   [Define to the name of the strftime replacement function.])
])
m4trace:m4/string_h.m4:12: -1- AC_DEFUN([gl_HEADER_STRING_H], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_HEADER_STRING_H_BODY])
])
m4trace:m4/string_h.m4:19: -1- AC_DEFUN([gl_HEADER_STRING_H_BODY], [
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  gl_NEXT_HEADERS([string.h])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use, and which is not
  dnl guaranteed by C89.
  gl_WARN_ON_USE_PREPARE([[#include <string.h>
    ]],
    [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul
     strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r
     strerror_r strsignal strverscmp])
])
m4trace:m4/string_h.m4:35: -1- AC_DEFUN([gl_STRING_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/string_h.m4:44: -1- AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS], [
  GNULIB_FFSL=0;        AC_SUBST([GNULIB_FFSL])
  GNULIB_FFSLL=0;       AC_SUBST([GNULIB_FFSLL])
  GNULIB_MEMCHR=0;      AC_SUBST([GNULIB_MEMCHR])
  GNULIB_MEMMEM=0;      AC_SUBST([GNULIB_MEMMEM])
  GNULIB_MEMPCPY=0;     AC_SUBST([GNULIB_MEMPCPY])
  GNULIB_MEMRCHR=0;     AC_SUBST([GNULIB_MEMRCHR])
  GNULIB_RAWMEMCHR=0;   AC_SUBST([GNULIB_RAWMEMCHR])
  GNULIB_STPCPY=0;      AC_SUBST([GNULIB_STPCPY])
  GNULIB_STPNCPY=0;     AC_SUBST([GNULIB_STPNCPY])
  GNULIB_STRCHRNUL=0;   AC_SUBST([GNULIB_STRCHRNUL])
  GNULIB_STRDUP=0;      AC_SUBST([GNULIB_STRDUP])
  GNULIB_STRNCAT=0;     AC_SUBST([GNULIB_STRNCAT])
  GNULIB_STRNDUP=0;     AC_SUBST([GNULIB_STRNDUP])
  GNULIB_STRNLEN=0;     AC_SUBST([GNULIB_STRNLEN])
  GNULIB_STRPBRK=0;     AC_SUBST([GNULIB_STRPBRK])
  GNULIB_STRSEP=0;      AC_SUBST([GNULIB_STRSEP])
  GNULIB_STRSTR=0;      AC_SUBST([GNULIB_STRSTR])
  GNULIB_STRCASESTR=0;  AC_SUBST([GNULIB_STRCASESTR])
  GNULIB_STRTOK_R=0;    AC_SUBST([GNULIB_STRTOK_R])
  GNULIB_MBSLEN=0;      AC_SUBST([GNULIB_MBSLEN])
  GNULIB_MBSNLEN=0;     AC_SUBST([GNULIB_MBSNLEN])
  GNULIB_MBSCHR=0;      AC_SUBST([GNULIB_MBSCHR])
  GNULIB_MBSRCHR=0;     AC_SUBST([GNULIB_MBSRCHR])
  GNULIB_MBSSTR=0;      AC_SUBST([GNULIB_MBSSTR])
  GNULIB_MBSCASECMP=0;  AC_SUBST([GNULIB_MBSCASECMP])
  GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
  GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
  GNULIB_MBSCASESTR=0;  AC_SUBST([GNULIB_MBSCASESTR])
  GNULIB_MBSCSPN=0;     AC_SUBST([GNULIB_MBSCSPN])
  GNULIB_MBSPBRK=0;     AC_SUBST([GNULIB_MBSPBRK])
  GNULIB_MBSSPN=0;      AC_SUBST([GNULIB_MBSSPN])
  GNULIB_MBSSEP=0;      AC_SUBST([GNULIB_MBSSEP])
  GNULIB_MBSTOK_R=0;    AC_SUBST([GNULIB_MBSTOK_R])
  GNULIB_STRERROR=0;    AC_SUBST([GNULIB_STRERROR])
  GNULIB_STRERROR_R=0;  AC_SUBST([GNULIB_STRERROR_R])
  GNULIB_STRSIGNAL=0;   AC_SUBST([GNULIB_STRSIGNAL])
  GNULIB_STRVERSCMP=0;  AC_SUBST([GNULIB_STRVERSCMP])
  HAVE_MBSLEN=0;        AC_SUBST([HAVE_MBSLEN])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_FFSL=1;                  AC_SUBST([HAVE_FFSL])
  HAVE_FFSLL=1;                 AC_SUBST([HAVE_FFSLL])
  HAVE_MEMCHR=1;                AC_SUBST([HAVE_MEMCHR])
  HAVE_DECL_MEMMEM=1;           AC_SUBST([HAVE_DECL_MEMMEM])
  HAVE_MEMPCPY=1;               AC_SUBST([HAVE_MEMPCPY])
  HAVE_DECL_MEMRCHR=1;          AC_SUBST([HAVE_DECL_MEMRCHR])
  HAVE_RAWMEMCHR=1;             AC_SUBST([HAVE_RAWMEMCHR])
  HAVE_STPCPY=1;                AC_SUBST([HAVE_STPCPY])
  HAVE_STPNCPY=1;               AC_SUBST([HAVE_STPNCPY])
  HAVE_STRCHRNUL=1;             AC_SUBST([HAVE_STRCHRNUL])
  HAVE_DECL_STRDUP=1;           AC_SUBST([HAVE_DECL_STRDUP])
  HAVE_DECL_STRNDUP=1;          AC_SUBST([HAVE_DECL_STRNDUP])
  HAVE_DECL_STRNLEN=1;          AC_SUBST([HAVE_DECL_STRNLEN])
  HAVE_STRPBRK=1;               AC_SUBST([HAVE_STRPBRK])
  HAVE_STRSEP=1;                AC_SUBST([HAVE_STRSEP])
  HAVE_STRCASESTR=1;            AC_SUBST([HAVE_STRCASESTR])
  HAVE_DECL_STRTOK_R=1;         AC_SUBST([HAVE_DECL_STRTOK_R])
  HAVE_DECL_STRERROR_R=1;       AC_SUBST([HAVE_DECL_STRERROR_R])
  HAVE_DECL_STRSIGNAL=1;        AC_SUBST([HAVE_DECL_STRSIGNAL])
  HAVE_STRVERSCMP=1;            AC_SUBST([HAVE_STRVERSCMP])
  REPLACE_MEMCHR=0;             AC_SUBST([REPLACE_MEMCHR])
  REPLACE_MEMMEM=0;             AC_SUBST([REPLACE_MEMMEM])
  REPLACE_STPNCPY=0;            AC_SUBST([REPLACE_STPNCPY])
  REPLACE_STRDUP=0;             AC_SUBST([REPLACE_STRDUP])
  REPLACE_STRSTR=0;             AC_SUBST([REPLACE_STRSTR])
  REPLACE_STRCASESTR=0;         AC_SUBST([REPLACE_STRCASESTR])
  REPLACE_STRCHRNUL=0;          AC_SUBST([REPLACE_STRCHRNUL])
  REPLACE_STRERROR=0;           AC_SUBST([REPLACE_STRERROR])
  REPLACE_STRERROR_R=0;         AC_SUBST([REPLACE_STRERROR_R])
  REPLACE_STRNCAT=0;            AC_SUBST([REPLACE_STRNCAT])
  REPLACE_STRNDUP=0;            AC_SUBST([REPLACE_STRNDUP])
  REPLACE_STRNLEN=0;            AC_SUBST([REPLACE_STRNLEN])
  REPLACE_STRSIGNAL=0;          AC_SUBST([REPLACE_STRSIGNAL])
  REPLACE_STRTOK_R=0;           AC_SUBST([REPLACE_STRTOK_R])
  UNDEFINE_STRTOK_R=0;          AC_SUBST([UNDEFINE_STRTOK_R])
])
m4trace:m4/strings_h.m4:9: -1- AC_DEFUN([gl_HEADER_STRINGS_H], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_HEADER_STRINGS_H_BODY])
])
m4trace:m4/strings_h.m4:16: -1- AC_DEFUN([gl_HEADER_STRINGS_H_BODY], [
  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])

  gl_CHECK_NEXT_HEADERS([strings.h])
  if test $ac_cv_header_strings_h = yes; then
    HAVE_STRINGS_H=1
  else
    HAVE_STRINGS_H=0
  fi
  AC_SUBST([HAVE_STRINGS_H])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
    /* Minix 3.1.8 has a bug: <sys/types.h> must be included before
       <strings.h>.  */
    #include <sys/types.h>
    #include <strings.h>
    ]], [ffs strcasecmp strncasecmp])
])
m4trace:m4/strings_h.m4:38: -1- AC_DEFUN([gl_STRINGS_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
m4trace:m4/strings_h.m4:45: -1- AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS], [
  GNULIB_FFS=0;            AC_SUBST([GNULIB_FFS])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_FFS=1;              AC_SUBST([HAVE_FFS])
  HAVE_STRCASECMP=1;       AC_SUBST([HAVE_STRCASECMP])
  HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP])
])
m4trace:m4/strndup.m4:7: -1- AC_DEFUN([gl_FUNC_STRNDUP], [
  dnl Persuade glibc <string.h> to declare strndup().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  AC_CHECK_DECLS_ONCE([strndup])
  AC_CHECK_FUNCS_ONCE([strndup])
  if test $ac_cv_have_decl_strndup = no; then
    HAVE_DECL_STRNDUP=0
  fi

  if test $ac_cv_func_strndup = yes; then
    HAVE_STRNDUP=1
    # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
    AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works],
      [AC_RUN_IFELSE([
         AC_LANG_PROGRAM([[#include <string.h>
                           #include <stdlib.h>]], [[
#if !HAVE_DECL_STRNDUP
  extern
  #ifdef __cplusplus
  "C"
  #endif
  char *strndup (const char *, size_t);
#endif
  int result;
  char *s;
  s = strndup ("some longer string", 15);
  free (s);
  s = strndup ("shorter string", 13);
  result = s[13] != '\0';
  free (s);
  return result;]])],
         [gl_cv_func_strndup_works=yes],
         [gl_cv_func_strndup_works=no],
         [
changequote(,)dnl
          case $host_os in
            aix | aix[3-6]*) gl_cv_func_strndup_works="guessing no";;
            *)               gl_cv_func_strndup_works="guessing yes";;
          esac
changequote([,])dnl
         ])])
    case $gl_cv_func_strndup_works in
      *no) REPLACE_STRNDUP=1 ;;
    esac
  else
    HAVE_STRNDUP=0
  fi
])
m4trace:m4/strnlen.m4:8: -1- AC_DEFUN([gl_FUNC_STRNLEN], [
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])

  dnl Persuade glibc <string.h> to declare strnlen().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_DECLS_ONCE([strnlen])
  if test $ac_cv_have_decl_strnlen = no; then
    HAVE_DECL_STRNLEN=0
  else
    m4_pushdef([AC_LIBOBJ], [:])
    dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
    AC_FUNC_STRNLEN
    m4_popdef([AC_LIBOBJ])
    if test $ac_cv_func_strnlen_working = no; then
      REPLACE_STRNLEN=1
    fi
  fi
])
m4trace:m4/strnlen.m4:30: -1- AC_DEFUN([gl_PREREQ_STRNLEN], [:])
m4trace:m4/strptime.m4:7: -1- AC_DEFUN([gl_FUNC_STRPTIME], [
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  AC_REQUIRE([AC_C_RESTRICT])
  AC_CHECK_FUNCS_ONCE([strptime])
  if test $ac_cv_func_strptime != yes; then
    HAVE_STRPTIME=0
  fi
])
m4trace:m4/strptime.m4:18: -1- AC_DEFUN([gl_PREREQ_STRPTIME], [
  AC_REQUIRE([gl_TM_GMTOFF])
  :
])
m4trace:m4/strtoull.m4:7: -1- AC_DEFUN([gl_FUNC_STRTOULL], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  dnl We don't need (and can't compile) the replacement strtoull
  dnl unless the type 'unsigned long long int' exists.
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
  if test "$ac_cv_type_unsigned_long_long_int" = yes; then
    AC_CHECK_FUNCS([strtoull])
    if test $ac_cv_func_strtoull = no; then
      HAVE_STRTOULL=0
    fi
  fi
])
m4trace:m4/strtoull.m4:22: -1- AC_DEFUN([gl_PREREQ_STRTOULL], [
  :
])
m4trace:m4/strtoumax.m4:7: -1- AC_DEFUN([gl_FUNC_STRTOUMAX], [
  AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])

  dnl On OSF/1 5.1 with cc, this function is declared but not defined.
  AC_CHECK_FUNCS_ONCE([strtoumax])
  AC_CHECK_DECLS_ONCE([strtoumax])
  if test "$ac_cv_have_decl_strtoumax" = yes; then
    if test "$ac_cv_func_strtoumax" != yes; then
      # HP-UX 11.11 has "#define strtoimax(...) ..." but no function.
      REPLACE_STRTOUMAX=1
    fi
  else
    HAVE_DECL_STRTOUMAX=0
  fi
])
m4trace:m4/strtoumax.m4:25: -1- AC_DEFUN([gl_PREREQ_STRTOUMAX], [
  AC_CHECK_DECLS([strtoull])
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
])
m4trace:m4/symlink.m4:11: -1- AC_DEFUN([gl_FUNC_SYMLINK], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CHECK_FUNCS_ONCE([symlink])
  dnl The best we can do on mingw is provide a dummy that always fails, so
  dnl that compilation can proceed with fewer ifdefs.  On FreeBSD 7.2, AIX 7.1,
  dnl and Solaris 9, we want to fix a bug with trailing slash handling.
  if test $ac_cv_func_symlink = no; then
    HAVE_SYMLINK=0
  else
    AC_CACHE_CHECK([whether symlink handles trailing slash correctly],
      [gl_cv_func_symlink_works],
      [AC_RUN_IFELSE(
         [AC_LANG_PROGRAM(
           [[#include <unistd.h>
           ]],
           [[int result = 0;
             if (!symlink ("a", "conftest.link/"))
               result |= 1;
             if (symlink ("conftest.f", "conftest.lnk2"))
               result |= 2;
             else if (!symlink ("a", "conftest.lnk2/"))
               result |= 4;
             return result;
           ]])],
         [gl_cv_func_symlink_works=yes], [gl_cv_func_symlink_works=no],
         [case "$host_os" in
                    # Guess yes on glibc systems.
            *-gnu*) gl_cv_func_symlink_works="guessing yes" ;;
                    # If we don't know, assume the worst.
            *)      gl_cv_func_symlink_works="guessing no" ;;
          esac
         ])
      rm -f conftest.f conftest.link conftest.lnk2])
    case "$gl_cv_func_symlink_works" in
      *yes) ;;
      *)
        REPLACE_SYMLINK=1
        ;;
    esac
  fi
])
m4trace:m4/sys_ioctl_h.m4:9: -1- AC_DEFUN([gl_SYS_IOCTL_H], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])

  AC_CHECK_HEADERS_ONCE([sys/ioctl.h])
  if test $ac_cv_header_sys_ioctl_h = yes; then
    HAVE_SYS_IOCTL_H=1
    dnl Test whether <sys/ioctl.h> declares ioctl(), or whether some other
    dnl header file, such as <unistd.h> or <stropts.h>, is needed for that.
    AC_CACHE_CHECK([whether <sys/ioctl.h> declares ioctl],
      [gl_cv_decl_ioctl_in_sys_ioctl_h],
      [dnl We cannot use AC_CHECK_DECL because it produces its own messages.
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [AC_INCLUDES_DEFAULT([#include <sys/ioctl.h>])],
            [(void) ioctl;])],
         [gl_cv_decl_ioctl_in_sys_ioctl_h=yes],
         [gl_cv_decl_ioctl_in_sys_ioctl_h=no])
      ])
  else
    HAVE_SYS_IOCTL_H=0
  fi
  AC_SUBST([HAVE_SYS_IOCTL_H])
  dnl <sys/ioctl.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([sys/ioctl.h])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <sys/ioctl.h>
/* Some platforms declare ioctl in the wrong header.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <unistd.h>
#endif
    ]], [ioctl])
])
m4trace:m4/sys_ioctl_h.m4:47: -1- AC_DEFUN([gl_SYS_IOCTL_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_ioctl_h.m4:56: -1- AC_DEFUN([gl_SYS_IOCTL_H_DEFAULTS], [
  GNULIB_IOCTL=0;         AC_SUBST([GNULIB_IOCTL])
  dnl Assume proper GNU behavior unless another module says otherwise.
  SYS_IOCTL_H_HAVE_WINSOCK2_H=0; AC_SUBST([SYS_IOCTL_H_HAVE_WINSOCK2_H])
  SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
                        AC_SUBST([SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
  REPLACE_IOCTL=0;      AC_SUBST([REPLACE_IOCTL])
])
m4trace:m4/sys_select_h.m4:7: -1- AC_DEFUN([gl_HEADER_SYS_SELECT], [
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS])
  AC_CACHE_CHECK([whether <sys/select.h> is self-contained],
    [gl_cv_header_sys_select_h_selfcontained],
    [
      dnl Test against two bugs:
      dnl 1. On many platforms, <sys/select.h> assumes prior inclusion of
      dnl    <sys/types.h>.
      dnl 2. On OSF/1 4.0, <sys/select.h> provides only a forward declaration
      dnl    of 'struct timeval', and no definition of this type.
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/select.h>]],
                                         [[struct timeval b;]])],
        [gl_cv_header_sys_select_h_selfcontained=yes],
        [gl_cv_header_sys_select_h_selfcontained=no])
      dnl Test against another bug:
      dnl 3. On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
      dnl    that relies on memset(), but without including <string.h>.
      if test $gl_cv_header_sys_select_h_selfcontained = yes; then
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM([[#include <sys/select.h>]],
                           [[int memset; int bzero;]])
          ],
          [AC_LINK_IFELSE(
             [AC_LANG_PROGRAM([[#include <sys/select.h>]], [[
                  #undef memset
                  #define memset nonexistent_memset
                  extern
                  #ifdef __cplusplus
                  "C"
                  #endif
                  void *memset (void *, int, unsigned long);
                  #undef bzero
                  #define bzero nonexistent_bzero
                  extern
                  #ifdef __cplusplus
                  "C"
                  #endif
                  void bzero (void *, unsigned long);
                  fd_set fds;
                  FD_ZERO (&fds);
                ]])
             ],
             [],
             [gl_cv_header_sys_select_h_selfcontained=no])
          ])
      fi
    ])
  dnl <sys/select.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([sys/select.h])
  if test $ac_cv_header_sys_select_h = yes; then
    HAVE_SYS_SELECT_H=1
  else
    HAVE_SYS_SELECT_H=0
  fi
  AC_SUBST([HAVE_SYS_SELECT_H])
  gl_PREREQ_SYS_H_WINSOCK2

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
/* Some systems require prerequisite headers.  */
#include <sys/types.h>
#if !(defined __GLIBC__ && !defined __UCLIBC__) && HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/select.h>
    ]], [pselect select])
])
m4trace:m4/sys_select_h.m4:78: -1- AC_DEFUN([gl_SYS_SELECT_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_select_h.m4:87: -1- AC_DEFUN([gl_SYS_SELECT_H_DEFAULTS], [
  GNULIB_PSELECT=0; AC_SUBST([GNULIB_PSELECT])
  GNULIB_SELECT=0; AC_SUBST([GNULIB_SELECT])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_PSELECT=1; AC_SUBST([HAVE_PSELECT])
  REPLACE_PSELECT=0; AC_SUBST([REPLACE_PSELECT])
  REPLACE_SELECT=0; AC_SUBST([REPLACE_SELECT])
])
m4trace:m4/sys_socket_h.m4:9: -1- AC_DEFUN([gl_HEADER_SYS_SOCKET], [
  AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])

  dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have
  dnl old-style declarations (with return type 'int' instead of 'ssize_t')
  dnl unless _POSIX_PII_SOCKET is defined.
  case "$host_os" in
    osf*)
      AC_DEFINE([_POSIX_PII_SOCKET], [1],
        [Define to 1 in order to get the POSIX compatible declarations
         of socket functions.])
      ;;
  esac

  AC_CACHE_CHECK([whether <sys/socket.h> is self-contained],
    [gl_cv_header_sys_socket_h_selfcontained],
    [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[]])],
        [gl_cv_header_sys_socket_h_selfcontained=yes],
        [gl_cv_header_sys_socket_h_selfcontained=no])
    ])
  if test $gl_cv_header_sys_socket_h_selfcontained = yes; then
    dnl If the shutdown function exists, <sys/socket.h> should define
    dnl SHUT_RD, SHUT_WR, SHUT_RDWR.
    AC_CHECK_FUNCS([shutdown])
    if test $ac_cv_func_shutdown = yes; then
      AC_CACHE_CHECK([whether <sys/socket.h> defines the SHUT_* macros],
        [gl_cv_header_sys_socket_h_shut],
        [
          AC_COMPILE_IFELSE(
            [AC_LANG_PROGRAM([[#include <sys/socket.h>]],
               [[int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };]])],
            [gl_cv_header_sys_socket_h_shut=yes],
            [gl_cv_header_sys_socket_h_shut=no])
        ])
      if test $gl_cv_header_sys_socket_h_shut = no; then
        SYS_SOCKET_H='sys/socket.h'
      fi
    fi
  fi
  # We need to check for ws2tcpip.h now.
  gl_PREREQ_SYS_H_SOCKET
  AC_CHECK_TYPES([struct sockaddr_storage, sa_family_t],,,[
  /* sys/types.h is not needed according to POSIX, but the
     sys/socket.h in i386-unknown-freebsd4.10 and
     powerpc-apple-darwin5.5 required it. */
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
])
  if test $ac_cv_type_struct_sockaddr_storage = no; then
    HAVE_STRUCT_SOCKADDR_STORAGE=0
  fi
  if test $ac_cv_type_sa_family_t = no; then
    HAVE_SA_FAMILY_T=0
  fi
  if test $ac_cv_type_struct_sockaddr_storage != no; then
    AC_CHECK_MEMBERS([struct sockaddr_storage.ss_family],
      [],
      [HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=0],
      [#include <sys/types.h>
       #ifdef HAVE_SYS_SOCKET_H
       #include <sys/socket.h>
       #endif
       #ifdef HAVE_WS2TCPIP_H
       #include <ws2tcpip.h>
       #endif
      ])
  fi
  if test $HAVE_STRUCT_SOCKADDR_STORAGE = 0 || test $HAVE_SA_FAMILY_T = 0 \
     || test $HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = 0; then
    SYS_SOCKET_H='sys/socket.h'
  fi
  gl_PREREQ_SYS_H_WINSOCK2

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
/* Some systems require prerequisite headers.  */
#include <sys/types.h>
#include <sys/socket.h>
    ]], [socket connect accept bind getpeername getsockname getsockopt
    listen recv send recvfrom sendto setsockopt shutdown accept4])
])
m4trace:m4/sys_socket_h.m4:100: -1- AC_DEFUN([gl_PREREQ_SYS_H_SOCKET], [
  dnl Check prerequisites of the <sys/socket.h> replacement.
  AC_REQUIRE([gl_CHECK_SOCKET_HEADERS])
  gl_CHECK_NEXT_HEADERS([sys/socket.h])
  if test $ac_cv_header_sys_socket_h = yes; then
    HAVE_SYS_SOCKET_H=1
    HAVE_WS2TCPIP_H=0
  else
    HAVE_SYS_SOCKET_H=0
    if test $ac_cv_header_ws2tcpip_h = yes; then
      HAVE_WS2TCPIP_H=1
    else
      HAVE_WS2TCPIP_H=0
    fi
  fi
  AC_SUBST([HAVE_SYS_SOCKET_H])
  AC_SUBST([HAVE_WS2TCPIP_H])
])
m4trace:m4/sys_socket_h.m4:123: -1- AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2], [
  m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
  m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])])
  AC_CHECK_HEADERS_ONCE([sys/socket.h])
  if test $ac_cv_header_sys_socket_h != yes; then
    dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make
    dnl the check for those headers unconditional; yet cygwin reports
    dnl that the headers are present but cannot be compiled (since on
    dnl cygwin, all socket information should come from sys/socket.h).
    AC_CHECK_HEADERS([winsock2.h])
  fi
  if test "$ac_cv_header_winsock2_h" = yes; then
    HAVE_WINSOCK2_H=1
    UNISTD_H_HAVE_WINSOCK2_H=1
    SYS_IOCTL_H_HAVE_WINSOCK2_H=1
  else
    HAVE_WINSOCK2_H=0
  fi
  AC_SUBST([HAVE_WINSOCK2_H])
])
m4trace:m4/sys_socket_h.m4:145: -1- AC_DEFUN([gl_SYS_SOCKET_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_socket_h.m4:154: -1- AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS], [
  GNULIB_SOCKET=0;      AC_SUBST([GNULIB_SOCKET])
  GNULIB_CONNECT=0;     AC_SUBST([GNULIB_CONNECT])
  GNULIB_ACCEPT=0;      AC_SUBST([GNULIB_ACCEPT])
  GNULIB_BIND=0;        AC_SUBST([GNULIB_BIND])
  GNULIB_GETPEERNAME=0; AC_SUBST([GNULIB_GETPEERNAME])
  GNULIB_GETSOCKNAME=0; AC_SUBST([GNULIB_GETSOCKNAME])
  GNULIB_GETSOCKOPT=0;  AC_SUBST([GNULIB_GETSOCKOPT])
  GNULIB_LISTEN=0;      AC_SUBST([GNULIB_LISTEN])
  GNULIB_RECV=0;        AC_SUBST([GNULIB_RECV])
  GNULIB_SEND=0;        AC_SUBST([GNULIB_SEND])
  GNULIB_RECVFROM=0;    AC_SUBST([GNULIB_RECVFROM])
  GNULIB_SENDTO=0;      AC_SUBST([GNULIB_SENDTO])
  GNULIB_SETSOCKOPT=0;  AC_SUBST([GNULIB_SETSOCKOPT])
  GNULIB_SHUTDOWN=0;    AC_SUBST([GNULIB_SHUTDOWN])
  GNULIB_ACCEPT4=0;     AC_SUBST([GNULIB_ACCEPT4])
  HAVE_STRUCT_SOCKADDR_STORAGE=1; AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE])
  HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=1;
                        AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY])
  HAVE_SA_FAMILY_T=1;   AC_SUBST([HAVE_SA_FAMILY_T])
  HAVE_ACCEPT4=1;       AC_SUBST([HAVE_ACCEPT4])
])
m4trace:m4/sys_stat_h.m4:10: -1- AC_DEFUN([gl_HEADER_SYS_STAT_H], [
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  dnl Check for broken stat macros.
  AC_REQUIRE([AC_HEADER_STAT])

  gl_CHECK_NEXT_HEADERS([sys/stat.h])

  dnl Ensure the type mode_t gets defined.
  AC_REQUIRE([AC_TYPE_MODE_T])

  dnl Whether to enable precise timestamps in 'struct stat'.
  m4_ifdef([gl_WINDOWS_STAT_TIMESPEC], [
    AC_REQUIRE([gl_WINDOWS_STAT_TIMESPEC])
  ], [
    WINDOWS_STAT_TIMESPEC=0
  ])
  AC_SUBST([WINDOWS_STAT_TIMESPEC])

  dnl Whether to ensure that struct stat.st_size is 64-bit wide.
  m4_ifdef([gl_LARGEFILE], [
    AC_REQUIRE([gl_LARGEFILE])
  ], [
    WINDOWS_64_BIT_ST_SIZE=0
  ])
  AC_SUBST([WINDOWS_64_BIT_ST_SIZE])

  dnl Define types that are supposed to be defined in <sys/types.h> or
  dnl <sys/stat.h>.
  AC_CHECK_TYPE([nlink_t], [],
    [AC_DEFINE([nlink_t], [int],
       [Define to the type of st_nlink in struct stat, or a supertype.])],
    [#include <sys/types.h>
     #include <sys/stat.h>])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
    mknod mknodat stat utimensat])
])
m4trace:m4/sys_stat_h.m4:53: -1- AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_stat_h.m4:62: -1- AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], [
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
  GNULIB_FCHMODAT=0;    AC_SUBST([GNULIB_FCHMODAT])
  GNULIB_FSTAT=0;       AC_SUBST([GNULIB_FSTAT])
  GNULIB_FSTATAT=0;     AC_SUBST([GNULIB_FSTATAT])
  GNULIB_FUTIMENS=0;    AC_SUBST([GNULIB_FUTIMENS])
  GNULIB_LCHMOD=0;      AC_SUBST([GNULIB_LCHMOD])
  GNULIB_LSTAT=0;       AC_SUBST([GNULIB_LSTAT])
  GNULIB_MKDIRAT=0;     AC_SUBST([GNULIB_MKDIRAT])
  GNULIB_MKFIFO=0;      AC_SUBST([GNULIB_MKFIFO])
  GNULIB_MKFIFOAT=0;    AC_SUBST([GNULIB_MKFIFOAT])
  GNULIB_MKNOD=0;       AC_SUBST([GNULIB_MKNOD])
  GNULIB_MKNODAT=0;     AC_SUBST([GNULIB_MKNODAT])
  GNULIB_STAT=0;        AC_SUBST([GNULIB_STAT])
  GNULIB_UTIMENSAT=0;   AC_SUBST([GNULIB_UTIMENSAT])
  GNULIB_OVERRIDES_STRUCT_STAT=0; AC_SUBST([GNULIB_OVERRIDES_STRUCT_STAT])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_FCHMODAT=1;      AC_SUBST([HAVE_FCHMODAT])
  HAVE_FSTATAT=1;       AC_SUBST([HAVE_FSTATAT])
  HAVE_FUTIMENS=1;      AC_SUBST([HAVE_FUTIMENS])
  HAVE_LCHMOD=1;        AC_SUBST([HAVE_LCHMOD])
  HAVE_LSTAT=1;         AC_SUBST([HAVE_LSTAT])
  HAVE_MKDIRAT=1;       AC_SUBST([HAVE_MKDIRAT])
  HAVE_MKFIFO=1;        AC_SUBST([HAVE_MKFIFO])
  HAVE_MKFIFOAT=1;      AC_SUBST([HAVE_MKFIFOAT])
  HAVE_MKNOD=1;         AC_SUBST([HAVE_MKNOD])
  HAVE_MKNODAT=1;       AC_SUBST([HAVE_MKNODAT])
  HAVE_UTIMENSAT=1;     AC_SUBST([HAVE_UTIMENSAT])
  REPLACE_FSTAT=0;      AC_SUBST([REPLACE_FSTAT])
  REPLACE_FSTATAT=0;    AC_SUBST([REPLACE_FSTATAT])
  REPLACE_FUTIMENS=0;   AC_SUBST([REPLACE_FUTIMENS])
  REPLACE_LSTAT=0;      AC_SUBST([REPLACE_LSTAT])
  REPLACE_MKDIR=0;      AC_SUBST([REPLACE_MKDIR])
  REPLACE_MKFIFO=0;     AC_SUBST([REPLACE_MKFIFO])
  REPLACE_MKNOD=0;      AC_SUBST([REPLACE_MKNOD])
  REPLACE_STAT=0;       AC_SUBST([REPLACE_STAT])
  REPLACE_UTIMENSAT=0;  AC_SUBST([REPLACE_UTIMENSAT])
])
m4trace:m4/sys_time_h.m4:11: -1- AC_DEFUN([gl_HEADER_SYS_TIME_H], [
  dnl Use AC_REQUIRE here, so that the REPLACE_GETTIMEOFDAY=0 statement
  dnl below is expanded once only, before all REPLACE_GETTIMEOFDAY=1
  dnl statements that occur in other macros.
  AC_REQUIRE([gl_HEADER_SYS_TIME_H_BODY])
])
m4trace:m4/sys_time_h.m4:19: -1- AC_DEFUN([gl_HEADER_SYS_TIME_H_BODY], [
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS])
  AC_CHECK_HEADERS_ONCE([sys/time.h])
  gl_CHECK_NEXT_HEADERS([sys/time.h])

  if test $ac_cv_header_sys_time_h != yes; then
    HAVE_SYS_TIME_H=0
  fi

  dnl On native Windows with MSVC, 'struct timeval' is defined in <winsock2.h>
  dnl only. So include that header in the list.
  gl_PREREQ_SYS_H_WINSOCK2
  AC_CACHE_CHECK([for struct timeval], [gl_cv_sys_struct_timeval],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#if HAVE_SYS_TIME_H
             #include <sys/time.h>
            #endif
            #include <time.h>
            #if HAVE_WINSOCK2_H
            # include <winsock2.h>
            #endif
          ]],
          [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
       [gl_cv_sys_struct_timeval=yes],
       [gl_cv_sys_struct_timeval=no])
    ])
  if test $gl_cv_sys_struct_timeval != yes; then
    HAVE_STRUCT_TIMEVAL=0
  else
    dnl On native Windows with a 64-bit 'time_t', 'struct timeval' is defined
    dnl (in <sys/time.h> and <winsock2.h> for mingw64, in <winsock2.h> only
    dnl for MSVC) with a tv_sec field of type 'long' (32-bit!), which is
    dnl smaller than the 'time_t' type mandated by POSIX.
    dnl On OpenBSD 5.1 amd64, tv_sec is 64 bits and time_t 32 bits, but
    dnl that is good enough.
    AC_CACHE_CHECK([for wide-enough struct timeval.tv_sec member],
      [gl_cv_sys_struct_timeval_tv_sec],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[#if HAVE_SYS_TIME_H
               #include <sys/time.h>
              #endif
              #include <time.h>
              #if HAVE_WINSOCK2_H
              # include <winsock2.h>
              #endif
            ]],
            [[static struct timeval x;
              typedef int verify_tv_sec_type[
                sizeof (time_t) <= sizeof x.tv_sec ? 1 : -1
              ];
            ]])],
         [gl_cv_sys_struct_timeval_tv_sec=yes],
         [gl_cv_sys_struct_timeval_tv_sec=no])
      ])
    if test $gl_cv_sys_struct_timeval_tv_sec != yes; then
      REPLACE_STRUCT_TIMEVAL=1
    fi
  fi

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
#if HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <time.h>
    ]], [gettimeofday])
])
m4trace:m4/sys_time_h.m4:92: -1- AC_DEFUN([gl_SYS_TIME_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_time_h.m4:101: -1- AC_DEFUN([gl_HEADER_SYS_TIME_H_DEFAULTS], [
  GNULIB_GETTIMEOFDAY=0;     AC_SUBST([GNULIB_GETTIMEOFDAY])
  dnl Assume POSIX behavior unless another module says otherwise.
  HAVE_GETTIMEOFDAY=1;       AC_SUBST([HAVE_GETTIMEOFDAY])
  HAVE_STRUCT_TIMEVAL=1;     AC_SUBST([HAVE_STRUCT_TIMEVAL])
  HAVE_SYS_TIME_H=1;         AC_SUBST([HAVE_SYS_TIME_H])
  REPLACE_GETTIMEOFDAY=0;    AC_SUBST([REPLACE_GETTIMEOFDAY])
  REPLACE_STRUCT_TIMEVAL=0;  AC_SUBST([REPLACE_STRUCT_TIMEVAL])
])
m4trace:m4/sys_types_h.m4:7: -1- AC_DEFUN_ONCE([gl_SYS_TYPES_H], [
  AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS])
  gl_NEXT_HEADERS([sys/types.h])

  dnl Ensure the type pid_t gets defined.
  AC_REQUIRE([AC_TYPE_PID_T])

  dnl Ensure the type mode_t gets defined.
  AC_REQUIRE([AC_TYPE_MODE_T])

  dnl Whether to override the 'off_t' type.
  AC_REQUIRE([gl_TYPE_OFF_T])

  dnl Whether to override the 'dev_t' and 'ino_t' types.
  m4_ifdef([gl_WINDOWS_STAT_INODES], [
    AC_REQUIRE([gl_WINDOWS_STAT_INODES])
  ], [
    WINDOWS_STAT_INODES=0
  ])
  AC_SUBST([WINDOWS_STAT_INODES])
])
m4trace:m4/sys_types_h.m4:30: -1- AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], [
])
m4trace:m4/sys_types_h.m4:37: -1- AC_DEFUN([AC_HEADER_MAJOR], [AC_CHECK_HEADERS_ONCE([sys/types.h])
AC_CHECK_HEADER([sys/mkdev.h],
  [AC_DEFINE([MAJOR_IN_MKDEV], [1],
    [Define to 1 if `major', `minor', and `makedev' are declared in
     <mkdev.h>.])])
if test $ac_cv_header_sys_mkdev_h = no; then
  AC_CHECK_HEADER([sys/sysmacros.h],
    [AC_DEFINE([MAJOR_IN_SYSMACROS], [1],
      [Define to 1 if `major', `minor', and `makedev' are declared in
       <sysmacros.h>.])])
fi
])
m4trace:m4/sys_uio_h.m4:7: -1- AC_DEFUN([gl_HEADER_SYS_UIO], [
  AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS])
  dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([sys/uio.h])
  if test $ac_cv_header_sys_uio_h = yes; then
    HAVE_SYS_UIO_H=1
  else
    HAVE_SYS_UIO_H=0
  fi
  AC_SUBST([HAVE_SYS_UIO_H])
])
m4trace:m4/sys_uio_h.m4:20: -1- AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_uio_h.m4:29: -1- AC_DEFUN([gl_SYS_UIO_H_DEFAULTS], [
])
m4trace:m4/sys_wait_h.m4:7: -1- AC_DEFUN([gl_SYS_WAIT_H], [
  AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])

  dnl <sys/wait.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([sys/wait.h])

  dnl Ensure the type pid_t gets defined.
  AC_REQUIRE([AC_TYPE_PID_T])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[#include <sys/wait.h>]],
    [waitpid])
])
m4trace:m4/sys_wait_h.m4:23: -1- AC_DEFUN([gl_SYS_WAIT_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/sys_wait_h.m4:32: -1- AC_DEFUN([gl_SYS_WAIT_H_DEFAULTS], [
  GNULIB_WAITPID=0; AC_SUBST([GNULIB_WAITPID])
  dnl Assume proper GNU behavior unless another module says otherwise.
])
m4trace:m4/tempname.m4:10: -1- AC_DEFUN([gl_FUNC_GEN_TEMPNAME], [
  gl_PREREQ_TEMPNAME
])
m4trace:m4/tempname.m4:16: -1- AC_DEFUN([gl_PREREQ_TEMPNAME], [
  :
])
m4trace:m4/time_h.m4:13: -1- AC_DEFUN([gl_HEADER_TIME_H], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_HEADER_TIME_H_BODY])
])
m4trace:m4/time_h.m4:20: -1- AC_DEFUN([gl_HEADER_TIME_H_BODY], [
  AC_REQUIRE([AC_C_RESTRICT])
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  gl_NEXT_HEADERS([time.h])
  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
])
m4trace:m4/time_h.m4:31: -1- AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], [
  AC_CHECK_HEADERS_ONCE([sys/time.h])
  AC_CACHE_CHECK([for struct timespec in <time.h>],
    [gl_cv_sys_struct_timespec_in_time_h],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <time.h>
          ]],
          [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
       [gl_cv_sys_struct_timespec_in_time_h=yes],
       [gl_cv_sys_struct_timespec_in_time_h=no])])

  TIME_H_DEFINES_STRUCT_TIMESPEC=0
  SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
  PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0
  UNISTD_H_DEFINES_STRUCT_TIMESPEC=0
  if test $gl_cv_sys_struct_timespec_in_time_h = yes; then
    TIME_H_DEFINES_STRUCT_TIMESPEC=1
  else
    AC_CACHE_CHECK([for struct timespec in <sys/time.h>],
      [gl_cv_sys_struct_timespec_in_sys_time_h],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <sys/time.h>
            ]],
            [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
         [gl_cv_sys_struct_timespec_in_sys_time_h=yes],
         [gl_cv_sys_struct_timespec_in_sys_time_h=no])])
    if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then
      SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
    else
      AC_CACHE_CHECK([for struct timespec in <pthread.h>],
        [gl_cv_sys_struct_timespec_in_pthread_h],
        [AC_COMPILE_IFELSE(
           [AC_LANG_PROGRAM(
              [[#include <pthread.h>
              ]],
              [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
           [gl_cv_sys_struct_timespec_in_pthread_h=yes],
           [gl_cv_sys_struct_timespec_in_pthread_h=no])])
      if test $gl_cv_sys_struct_timespec_in_pthread_h = yes; then
        PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1
      else
        AC_CACHE_CHECK([for struct timespec in <unistd.h>],
          [gl_cv_sys_struct_timespec_in_unistd_h],
          [AC_COMPILE_IFELSE(
             [AC_LANG_PROGRAM(
                [[#include <unistd.h>
                ]],
                [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
             [gl_cv_sys_struct_timespec_in_unistd_h=yes],
             [gl_cv_sys_struct_timespec_in_unistd_h=no])])
        if test $gl_cv_sys_struct_timespec_in_unistd_h = yes; then
          UNISTD_H_DEFINES_STRUCT_TIMESPEC=1
        fi
      fi
    fi
  fi
  AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
  AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
  AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC])
  AC_SUBST([UNISTD_H_DEFINES_STRUCT_TIMESPEC])
])
m4trace:m4/time_h.m4:96: -1- AC_DEFUN([gl_TIME_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/time_h.m4:105: -1- AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS], [
  GNULIB_CTIME=0;                        AC_SUBST([GNULIB_CTIME])
  GNULIB_MKTIME=0;                       AC_SUBST([GNULIB_MKTIME])
  GNULIB_LOCALTIME=0;                    AC_SUBST([GNULIB_LOCALTIME])
  GNULIB_NANOSLEEP=0;                    AC_SUBST([GNULIB_NANOSLEEP])
  GNULIB_STRFTIME=0;                     AC_SUBST([GNULIB_STRFTIME])
  GNULIB_STRPTIME=0;                     AC_SUBST([GNULIB_STRPTIME])
  GNULIB_TIMEGM=0;                       AC_SUBST([GNULIB_TIMEGM])
  GNULIB_TIME_R=0;                       AC_SUBST([GNULIB_TIME_R])
  GNULIB_TIME_RZ=0;                      AC_SUBST([GNULIB_TIME_RZ])
  GNULIB_TZSET=0;                        AC_SUBST([GNULIB_TZSET])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_DECL_LOCALTIME_R=1;               AC_SUBST([HAVE_DECL_LOCALTIME_R])
  HAVE_NANOSLEEP=1;                      AC_SUBST([HAVE_NANOSLEEP])
  HAVE_STRPTIME=1;                       AC_SUBST([HAVE_STRPTIME])
  HAVE_TIMEGM=1;                         AC_SUBST([HAVE_TIMEGM])
  HAVE_TZSET=1;                          AC_SUBST([HAVE_TZSET])
  dnl Even GNU libc does not have timezone_t yet.
  HAVE_TIMEZONE_T=0;                     AC_SUBST([HAVE_TIMEZONE_T])
  dnl If another module says to replace or to not replace, do that.
  dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK;
  dnl this lets maintainers check for portability.
  REPLACE_CTIME=GNULIB_PORTCHECK;        AC_SUBST([REPLACE_CTIME])
  REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;  AC_SUBST([REPLACE_LOCALTIME_R])
  REPLACE_MKTIME=GNULIB_PORTCHECK;       AC_SUBST([REPLACE_MKTIME])
  REPLACE_NANOSLEEP=GNULIB_PORTCHECK;    AC_SUBST([REPLACE_NANOSLEEP])
  REPLACE_STRFTIME=GNULIB_PORTCHECK;     AC_SUBST([REPLACE_STRFTIME])
  REPLACE_TIMEGM=GNULIB_PORTCHECK;       AC_SUBST([REPLACE_TIMEGM])
  REPLACE_TZSET=GNULIB_PORTCHECK;        AC_SUBST([REPLACE_TZSET])

  dnl Hack so that the time module doesn't depend on the sys_time module.
  dnl First, default GNULIB_GETTIMEOFDAY to 0 if sys_time is absent.
  : ${GNULIB_GETTIMEOFDAY=0};            AC_SUBST([GNULIB_GETTIMEOFDAY])
  dnl Second, it's OK to not use GNULIB_PORTCHECK for REPLACE_GMTIME
  dnl and REPLACE_LOCALTIME, as portability to Solaris 2.6 and earlier
  dnl is no longer a big deal.
  REPLACE_GMTIME=0;                      AC_SUBST([REPLACE_GMTIME])
  REPLACE_LOCALTIME=0;                   AC_SUBST([REPLACE_LOCALTIME])
])
m4trace:m4/time_r.m4:10: -1- AC_DEFUN([gl_TIME_R], [
  dnl Persuade glibc and Solaris <time.h> to declare localtime_r.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  AC_REQUIRE([AC_C_RESTRICT])

  dnl Some systems don't declare localtime_r() and gmtime_r() if _REENTRANT is
  dnl not defined.
  AC_CHECK_DECLS([localtime_r], [], [], [[#include <time.h>]])
  if test $ac_cv_have_decl_localtime_r = no; then
    HAVE_DECL_LOCALTIME_R=0
  fi

  AC_CHECK_FUNCS_ONCE([localtime_r])
  if test $ac_cv_func_localtime_r = yes; then
    HAVE_LOCALTIME_R=1
    AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
      [gl_cv_time_r_posix],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <time.h>]],
            [[/* We don't need to append 'restrict's to the argument types,
                 even though the POSIX signature has the 'restrict's,
                 since C99 says they can't affect type compatibility.  */
              struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
              if (ptr) return 0;
              /* Check the return type is a pointer.
                 On HP-UX 10 it is 'int'.  */
              *localtime_r (0, 0);]])
         ],
         [gl_cv_time_r_posix=yes],
         [gl_cv_time_r_posix=no])
      ])
    if test $gl_cv_time_r_posix = yes; then
      REPLACE_LOCALTIME_R=0
    else
      REPLACE_LOCALTIME_R=1
    fi
  else
    HAVE_LOCALTIME_R=0
  fi
])
m4trace:m4/time_r.m4:56: -1- AC_DEFUN([gl_PREREQ_TIME_R], [
  :
])
m4trace:m4/time_rz.m4:10: -1- AC_DEFUN([gl_TIME_RZ], [
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  AC_REQUIRE([AC_STRUCT_TIMEZONE])

  AC_CHECK_TYPES([timezone_t], [], [], [[#include <time.h>]])
  if test "$ac_cv_type_timezone_t" = yes; then
    HAVE_TIMEZONE_T=1
  fi
])
m4trace:m4/timegm.m4:7: -1- AC_DEFUN([gl_FUNC_TIMEGM], [
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  AC_REQUIRE([gl_FUNC_MKTIME_WORKS])
  REPLACE_TIMEGM=0
  AC_CHECK_FUNCS_ONCE([timegm])
  if test $ac_cv_func_timegm = yes; then
    if test "$gl_cv_func_working_mktime" != yes; then
      # Assume that timegm is buggy if mktime is.
      REPLACE_TIMEGM=1
    fi
  else
    HAVE_TIMEGM=0
  fi
])
m4trace:m4/timegm.m4:24: -1- AC_DEFUN([gl_PREREQ_TIMEGM], [
  :
])
m4trace:m4/timespec.m4:11: -1- AC_DEFUN([gl_TIMESPEC], [:])
m4trace:m4/tm_gmtoff.m4:7: -1- AC_DEFUN([gl_TM_GMTOFF], [
 AC_CHECK_MEMBER([struct tm.tm_gmtoff],
                 [AC_DEFINE([HAVE_TM_GMTOFF], [1],
                            [Define if struct tm has the tm_gmtoff member.])],
                 ,
                 [#include <time.h>])
])
m4trace:m4/tzset.m4:16: -1- AC_DEFUN([gl_FUNC_TZSET], [
  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  AC_REQUIRE([gl_LOCALTIME_BUFFER_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CHECK_FUNCS_ONCE([tzset])
  if test $ac_cv_func_tzset = no; then
    HAVE_TZSET=0
  fi
  gl_FUNC_TZSET_CLOBBER
  REPLACE_TZSET=0
  case "$gl_cv_func_tzset_clobber" in
    *yes)
      REPLACE_TZSET=1
      AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1],
        [Define if tzset clobbers localtime's static buffer.])
      gl_LOCALTIME_BUFFER_NEEDED
      ;;
  esac
  case "$host_os" in
    mingw*) REPLACE_TZSET=1 ;;
  esac
])
m4trace:m4/tzset.m4:41: -1- AC_DEFUN([gl_FUNC_TZSET_CLOBBER], [
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether tzset clobbers localtime buffer],
                 gl_cv_func_tzset_clobber,
  [
  AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <time.h>
#include <stdlib.h>

int
main ()
{
  time_t t1 = 853958121;
  struct tm *p, s;
  putenv ("TZ=GMT0");
  p = localtime (&t1);
  s = *p;
  putenv ("TZ=EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00");
  tzset ();
  return (p->tm_year != s.tm_year
          || p->tm_mon != s.tm_mon
          || p->tm_mday != s.tm_mday
          || p->tm_hour != s.tm_hour
          || p->tm_min != s.tm_min
          || p->tm_sec != s.tm_sec);
}
  ]])],
       [gl_cv_func_tzset_clobber=no],
       [gl_cv_func_tzset_clobber=yes],
       [case "$host_os" in
                  # Guess all is fine on glibc systems.
          *-gnu*) gl_cv_func_tzset_clobber="guessing no" ;;
                  # If we don't know, assume the worst.
          *)      gl_cv_func_tzset_clobber="guessing yes" ;;
        esac
       ])])

  AC_DEFINE([HAVE_RUN_TZSET_TEST], [1],
    [Define to 1 if you have run the test for working tzset.])
])
m4trace:m4/unistd_h.m4:9: -1- AC_DEFUN([gl_UNISTD_H], [
  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  dnl once only, before all statements that occur in other macros.
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])

  gl_CHECK_NEXT_HEADERS([unistd.h])
  if test $ac_cv_header_unistd_h = yes; then
    HAVE_UNISTD_H=1
  else
    HAVE_UNISTD_H=0
  fi
  AC_SUBST([HAVE_UNISTD_H])

  dnl Ensure the type pid_t gets defined.
  AC_REQUIRE([AC_TYPE_PID_T])

  dnl Determine WINDOWS_64_BIT_OFF_T.
  AC_REQUIRE([gl_TYPE_OFF_T])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
/* Some systems declare various items in the wrong headers.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <fcntl.h>
# include <stdio.h>
# include <stdlib.h>
# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
#  include <io.h>
# endif
#endif
    ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat
    fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups
    gethostname getlogin getlogin_r getpagesize
    getusershell setusershell endusershell
    group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite
    readlink readlinkat rmdir sethostname sleep symlink symlinkat
    truncate ttyname_r unlink unlinkat usleep])
])
m4trace:m4/unistd_h.m4:53: -1- AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/unistd_h.m4:62: -1- AC_DEFUN([gl_UNISTD_H_DEFAULTS], [
  GNULIB_CHDIR=0;                AC_SUBST([GNULIB_CHDIR])
  GNULIB_CHOWN=0;                AC_SUBST([GNULIB_CHOWN])
  GNULIB_CLOSE=0;                AC_SUBST([GNULIB_CLOSE])
  GNULIB_DUP=0;                  AC_SUBST([GNULIB_DUP])
  GNULIB_DUP2=0;                 AC_SUBST([GNULIB_DUP2])
  GNULIB_DUP3=0;                 AC_SUBST([GNULIB_DUP3])
  GNULIB_ENVIRON=0;              AC_SUBST([GNULIB_ENVIRON])
  GNULIB_EUIDACCESS=0;           AC_SUBST([GNULIB_EUIDACCESS])
  GNULIB_FACCESSAT=0;            AC_SUBST([GNULIB_FACCESSAT])
  GNULIB_FCHDIR=0;               AC_SUBST([GNULIB_FCHDIR])
  GNULIB_FCHOWNAT=0;             AC_SUBST([GNULIB_FCHOWNAT])
  GNULIB_FDATASYNC=0;            AC_SUBST([GNULIB_FDATASYNC])
  GNULIB_FSYNC=0;                AC_SUBST([GNULIB_FSYNC])
  GNULIB_FTRUNCATE=0;            AC_SUBST([GNULIB_FTRUNCATE])
  GNULIB_GETCWD=0;               AC_SUBST([GNULIB_GETCWD])
  GNULIB_GETDOMAINNAME=0;        AC_SUBST([GNULIB_GETDOMAINNAME])
  GNULIB_GETDTABLESIZE=0;        AC_SUBST([GNULIB_GETDTABLESIZE])
  GNULIB_GETGROUPS=0;            AC_SUBST([GNULIB_GETGROUPS])
  GNULIB_GETHOSTNAME=0;          AC_SUBST([GNULIB_GETHOSTNAME])
  GNULIB_GETLOGIN=0;             AC_SUBST([GNULIB_GETLOGIN])
  GNULIB_GETLOGIN_R=0;           AC_SUBST([GNULIB_GETLOGIN_R])
  GNULIB_GETPAGESIZE=0;          AC_SUBST([GNULIB_GETPAGESIZE])
  GNULIB_GETUSERSHELL=0;         AC_SUBST([GNULIB_GETUSERSHELL])
  GNULIB_GROUP_MEMBER=0;         AC_SUBST([GNULIB_GROUP_MEMBER])
  GNULIB_ISATTY=0;               AC_SUBST([GNULIB_ISATTY])
  GNULIB_LCHOWN=0;               AC_SUBST([GNULIB_LCHOWN])
  GNULIB_LINK=0;                 AC_SUBST([GNULIB_LINK])
  GNULIB_LINKAT=0;               AC_SUBST([GNULIB_LINKAT])
  GNULIB_LSEEK=0;                AC_SUBST([GNULIB_LSEEK])
  GNULIB_PIPE=0;                 AC_SUBST([GNULIB_PIPE])
  GNULIB_PIPE2=0;                AC_SUBST([GNULIB_PIPE2])
  GNULIB_PREAD=0;                AC_SUBST([GNULIB_PREAD])
  GNULIB_PWRITE=0;               AC_SUBST([GNULIB_PWRITE])
  GNULIB_READ=0;                 AC_SUBST([GNULIB_READ])
  GNULIB_READLINK=0;             AC_SUBST([GNULIB_READLINK])
  GNULIB_READLINKAT=0;           AC_SUBST([GNULIB_READLINKAT])
  GNULIB_RMDIR=0;                AC_SUBST([GNULIB_RMDIR])
  GNULIB_SETHOSTNAME=0;          AC_SUBST([GNULIB_SETHOSTNAME])
  GNULIB_SLEEP=0;                AC_SUBST([GNULIB_SLEEP])
  GNULIB_SYMLINK=0;              AC_SUBST([GNULIB_SYMLINK])
  GNULIB_SYMLINKAT=0;            AC_SUBST([GNULIB_SYMLINKAT])
  GNULIB_TRUNCATE=0;             AC_SUBST([GNULIB_TRUNCATE])
  GNULIB_TTYNAME_R=0;            AC_SUBST([GNULIB_TTYNAME_R])
  GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING])
  GNULIB_UNISTD_H_SIGPIPE=0;     AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
  GNULIB_UNLINK=0;               AC_SUBST([GNULIB_UNLINK])
  GNULIB_UNLINKAT=0;             AC_SUBST([GNULIB_UNLINKAT])
  GNULIB_USLEEP=0;               AC_SUBST([GNULIB_USLEEP])
  GNULIB_WRITE=0;                AC_SUBST([GNULIB_WRITE])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_CHOWN=1;           AC_SUBST([HAVE_CHOWN])
  HAVE_DUP2=1;            AC_SUBST([HAVE_DUP2])
  HAVE_DUP3=1;            AC_SUBST([HAVE_DUP3])
  HAVE_EUIDACCESS=1;      AC_SUBST([HAVE_EUIDACCESS])
  HAVE_FACCESSAT=1;       AC_SUBST([HAVE_FACCESSAT])
  HAVE_FCHDIR=1;          AC_SUBST([HAVE_FCHDIR])
  HAVE_FCHOWNAT=1;        AC_SUBST([HAVE_FCHOWNAT])
  HAVE_FDATASYNC=1;       AC_SUBST([HAVE_FDATASYNC])
  HAVE_FSYNC=1;           AC_SUBST([HAVE_FSYNC])
  HAVE_FTRUNCATE=1;       AC_SUBST([HAVE_FTRUNCATE])
  HAVE_GETDTABLESIZE=1;   AC_SUBST([HAVE_GETDTABLESIZE])
  HAVE_GETGROUPS=1;       AC_SUBST([HAVE_GETGROUPS])
  HAVE_GETHOSTNAME=1;     AC_SUBST([HAVE_GETHOSTNAME])
  HAVE_GETLOGIN=1;        AC_SUBST([HAVE_GETLOGIN])
  HAVE_GETPAGESIZE=1;     AC_SUBST([HAVE_GETPAGESIZE])
  HAVE_GROUP_MEMBER=1;    AC_SUBST([HAVE_GROUP_MEMBER])
  HAVE_LCHOWN=1;          AC_SUBST([HAVE_LCHOWN])
  HAVE_LINK=1;            AC_SUBST([HAVE_LINK])
  HAVE_LINKAT=1;          AC_SUBST([HAVE_LINKAT])
  HAVE_PIPE=1;            AC_SUBST([HAVE_PIPE])
  HAVE_PIPE2=1;           AC_SUBST([HAVE_PIPE2])
  HAVE_PREAD=1;           AC_SUBST([HAVE_PREAD])
  HAVE_PWRITE=1;          AC_SUBST([HAVE_PWRITE])
  HAVE_READLINK=1;        AC_SUBST([HAVE_READLINK])
  HAVE_READLINKAT=1;      AC_SUBST([HAVE_READLINKAT])
  HAVE_SETHOSTNAME=1;     AC_SUBST([HAVE_SETHOSTNAME])
  HAVE_SLEEP=1;           AC_SUBST([HAVE_SLEEP])
  HAVE_SYMLINK=1;         AC_SUBST([HAVE_SYMLINK])
  HAVE_SYMLINKAT=1;       AC_SUBST([HAVE_SYMLINKAT])
  HAVE_TRUNCATE=1;        AC_SUBST([HAVE_TRUNCATE])
  HAVE_UNLINKAT=1;        AC_SUBST([HAVE_UNLINKAT])
  HAVE_USLEEP=1;          AC_SUBST([HAVE_USLEEP])
  HAVE_DECL_ENVIRON=1;    AC_SUBST([HAVE_DECL_ENVIRON])
  HAVE_DECL_FCHDIR=1;     AC_SUBST([HAVE_DECL_FCHDIR])
  HAVE_DECL_FDATASYNC=1;  AC_SUBST([HAVE_DECL_FDATASYNC])
  HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME])
  HAVE_DECL_GETLOGIN=1;   AC_SUBST([HAVE_DECL_GETLOGIN])
  HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
  HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE])
  HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL])
  HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME])
  HAVE_DECL_TTYNAME_R=1;  AC_SUBST([HAVE_DECL_TTYNAME_R])
  HAVE_OS_H=0;            AC_SUBST([HAVE_OS_H])
  HAVE_SYS_PARAM_H=0;     AC_SUBST([HAVE_SYS_PARAM_H])
  REPLACE_CHOWN=0;        AC_SUBST([REPLACE_CHOWN])
  REPLACE_CLOSE=0;        AC_SUBST([REPLACE_CLOSE])
  REPLACE_DUP=0;          AC_SUBST([REPLACE_DUP])
  REPLACE_DUP2=0;         AC_SUBST([REPLACE_DUP2])
  REPLACE_FCHOWNAT=0;     AC_SUBST([REPLACE_FCHOWNAT])
  REPLACE_FTRUNCATE=0;    AC_SUBST([REPLACE_FTRUNCATE])
  REPLACE_GETCWD=0;       AC_SUBST([REPLACE_GETCWD])
  REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME])
  REPLACE_GETDTABLESIZE=0; AC_SUBST([REPLACE_GETDTABLESIZE])
  REPLACE_GETLOGIN_R=0;   AC_SUBST([REPLACE_GETLOGIN_R])
  REPLACE_GETGROUPS=0;    AC_SUBST([REPLACE_GETGROUPS])
  REPLACE_GETPAGESIZE=0;  AC_SUBST([REPLACE_GETPAGESIZE])
  REPLACE_ISATTY=0;       AC_SUBST([REPLACE_ISATTY])
  REPLACE_LCHOWN=0;       AC_SUBST([REPLACE_LCHOWN])
  REPLACE_LINK=0;         AC_SUBST([REPLACE_LINK])
  REPLACE_LINKAT=0;       AC_SUBST([REPLACE_LINKAT])
  REPLACE_LSEEK=0;        AC_SUBST([REPLACE_LSEEK])
  REPLACE_PREAD=0;        AC_SUBST([REPLACE_PREAD])
  REPLACE_PWRITE=0;       AC_SUBST([REPLACE_PWRITE])
  REPLACE_READ=0;         AC_SUBST([REPLACE_READ])
  REPLACE_READLINK=0;     AC_SUBST([REPLACE_READLINK])
  REPLACE_READLINKAT=0;   AC_SUBST([REPLACE_READLINKAT])
  REPLACE_RMDIR=0;        AC_SUBST([REPLACE_RMDIR])
  REPLACE_SLEEP=0;        AC_SUBST([REPLACE_SLEEP])
  REPLACE_SYMLINK=0;      AC_SUBST([REPLACE_SYMLINK])
  REPLACE_SYMLINKAT=0;    AC_SUBST([REPLACE_SYMLINKAT])
  REPLACE_TRUNCATE=0;     AC_SUBST([REPLACE_TRUNCATE])
  REPLACE_TTYNAME_R=0;    AC_SUBST([REPLACE_TTYNAME_R])
  REPLACE_UNLINK=0;       AC_SUBST([REPLACE_UNLINK])
  REPLACE_UNLINKAT=0;     AC_SUBST([REPLACE_UNLINKAT])
  REPLACE_USLEEP=0;       AC_SUBST([REPLACE_USLEEP])
  REPLACE_WRITE=0;        AC_SUBST([REPLACE_WRITE])
  UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
  UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
                           AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
])
m4trace:m4/unlocked-io.m4:17: -1- AC_DEFUN([gl_FUNC_GLIBC_UNLOCKED_IO], [
  AC_DEFINE([USE_UNLOCKED_IO], [1],
    [Define to 1 if you want getc etc. to use unlocked I/O if available.
     Unlocked I/O can improve performance in unithreaded apps,
     but it is not safe for multithreaded apps.])

  dnl Persuade glibc and Solaris <stdio.h> to declare
  dnl fgets_unlocked(), fputs_unlocked() etc.
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_DECLS_ONCE([clearerr_unlocked])
  AC_CHECK_DECLS_ONCE([feof_unlocked])
  AC_CHECK_DECLS_ONCE([ferror_unlocked])
  AC_CHECK_DECLS_ONCE([fflush_unlocked])
  AC_CHECK_DECLS_ONCE([fgets_unlocked])
  AC_CHECK_DECLS_ONCE([fputc_unlocked])
  AC_CHECK_DECLS_ONCE([fputs_unlocked])
  AC_CHECK_DECLS_ONCE([fread_unlocked])
  AC_CHECK_DECLS_ONCE([fwrite_unlocked])
  AC_CHECK_DECLS_ONCE([getc_unlocked])
  AC_CHECK_DECLS_ONCE([getchar_unlocked])
  AC_CHECK_DECLS_ONCE([putc_unlocked])
  AC_CHECK_DECLS_ONCE([putchar_unlocked])
])
m4trace:m4/vararrays.m4:15: -1- AC_DEFUN([AC_C_VARARRAYS], [
  AC_CACHE_CHECK([for variable-length arrays],
    ac_cv_c_vararrays,
    [AC_EGREP_CPP([defined],
       [#ifdef __STDC_NO_VLA__
	defined
	#endif
       ],
       [ac_cv_c_vararrays='no: __STDC_NO_VLA__ is defined'],
       [AC_COMPILE_IFELSE(
	  [AC_LANG_PROGRAM(
	     [[/* Test for VLA support.  This test is partly inspired
		  from examples in the C standard.  Use at least two VLA
		  functions to detect the GCC 3.4.3 bug described in:
		  http://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00014.html
		  */
	       #ifdef __STDC_NO_VLA__
		syntax error;
	       #else
		 extern int n;
		 int B[100];
		 int fvla (int m, int C[m][m]);

		 int
		 simple (int count, int all[static count])
		 {
		   return all[count - 1];
		 }

		 int
		 fvla (int m, int C[m][m])
		 {
		   typedef int VLA[m][m];
		   VLA x;
		   int D[m];
		   static int (*q)[m] = &B;
		   int (*s)[n] = q;
		   return C && &x[0][0] == &D[0] && &D[0] == s[0];
		 }
	       #endif
	       ]])],
	  [ac_cv_c_vararrays=yes],
	  [ac_cv_c_vararrays=no])])])
  if test "$ac_cv_c_vararrays" = yes; then
    dnl This is for compatibility with Autoconf 2.61-2.69.
    AC_DEFINE([HAVE_C_VARARRAYS], 1,
      [Define to 1 if C supports variable-length arrays.])
  elif test "$ac_cv_c_vararrays" = no; then
    AC_DEFINE([__STDC_NO_VLA__], 1,
      [Define to 1 if C does not support variable-length arrays, and
       if the compiler does not already define this.])
  fi
])
m4trace:m4/vasnprintf.m4:7: -1- AC_DEFUN([gl_FUNC_VASNPRINTF], [
  AC_CHECK_FUNCS_ONCE([vasnprintf])
  if test $ac_cv_func_vasnprintf = no; then
    gl_REPLACE_VASNPRINTF
  fi
])
m4trace:m4/vasnprintf.m4:15: -1- AC_DEFUN([gl_REPLACE_VASNPRINTF], [
  AC_CHECK_FUNCS_ONCE([vasnprintf])
  AC_LIBOBJ([vasnprintf])
  AC_LIBOBJ([printf-args])
  AC_LIBOBJ([printf-parse])
  AC_LIBOBJ([asnprintf])
  if test $ac_cv_func_vasnprintf = yes; then
    AC_DEFINE([REPLACE_VASNPRINTF], [1],
      [Define if vasnprintf exists but is overridden by gnulib.])
  fi
  gl_PREREQ_PRINTF_ARGS
  gl_PREREQ_PRINTF_PARSE
  gl_PREREQ_VASNPRINTF
  gl_PREREQ_ASNPRINTF
])
m4trace:m4/vasnprintf.m4:33: -1- AC_DEFUN([gl_PREREQ_PRINTF_ARGS], [
  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
  AC_REQUIRE([gt_TYPE_WCHAR_T])
  AC_REQUIRE([gt_TYPE_WINT_T])
])
m4trace:m4/vasnprintf.m4:41: -1- AC_DEFUN([gl_PREREQ_PRINTF_PARSE], [
  AC_REQUIRE([gl_FEATURES_H])
  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
  AC_REQUIRE([gt_TYPE_WCHAR_T])
  AC_REQUIRE([gt_TYPE_WINT_T])
  AC_REQUIRE([AC_TYPE_SIZE_T])
  AC_CHECK_TYPE([ptrdiff_t], ,
    [AC_DEFINE([ptrdiff_t], [long],
       [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
    ])
  AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
])
m4trace:m4/vasnprintf.m4:56: -1- AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF], [
  AC_REQUIRE([AC_FUNC_ALLOCA])
  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
  AC_REQUIRE([gt_TYPE_WCHAR_T])
  AC_REQUIRE([gt_TYPE_WINT_T])
  AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb])
  dnl Use the _snprintf function only if it is declared (because on NetBSD it
  dnl is defined as a weak alias of snprintf; we prefer to use the latter).
  AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]])
  dnl Knowing DBL_EXPBIT0_WORD and DBL_EXPBIT0_BIT enables an optimization
  dnl in the code for NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE.
  AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION])
  dnl We can avoid a lot of code by assuming that snprintf's return value
  dnl conforms to ISO C99. So check that.
  AC_REQUIRE([gl_SNPRINTF_RETVAL_C99])
  case "$gl_cv_func_snprintf_retval_c99" in
    *yes)
      AC_DEFINE([HAVE_SNPRINTF_RETVAL_C99], [1],
        [Define if the return value of the snprintf function is the number of
         of bytes (excluding the terminating NUL) that would have been produced
         if the buffer had been large enough.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:84: -1- AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE], [
  AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
  case "$gl_cv_func_printf_long_double" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
        [Define if the vasnprintf implementation needs special code for
         'long double' arguments.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:100: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE], [
  AC_REQUIRE([gl_PRINTF_INFINITE])
  case "$gl_cv_func_printf_infinite" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], [1],
        [Define if the vasnprintf implementation needs special code for
         infinite 'double' arguments.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:116: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE], [
  AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
  dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if
  dnl NEED_PRINTF_LONG_DOUBLE is already set.
  AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE])
  case "$gl_cv_func_printf_long_double" in
    *yes)
      case "$gl_cv_func_printf_infinite_long_double" in
        *yes)
          ;;
        *)
          AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], [1],
            [Define if the vasnprintf implementation needs special code for
             infinite 'long double' arguments.])
          ;;
      esac
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:138: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A], [
  AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
  case "$gl_cv_func_printf_directive_a" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], [1],
        [Define if the vasnprintf implementation needs special code for
         the 'a' and 'A' directives.])
      AC_CHECK_FUNCS([nl_langinfo])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:154: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F], [
  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
  case "$gl_cv_func_printf_directive_f" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], [1],
        [Define if the vasnprintf implementation needs special code for
         the 'F' directive.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:169: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_LS], [
  AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS])
  case "$gl_cv_func_printf_directive_ls" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_DIRECTIVE_LS], [1],
        [Define if the vasnprintf implementation needs special code for
         the 'ls' directive.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:184: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING], [
  AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
  case "$gl_cv_func_printf_flag_grouping" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], [1],
        [Define if the vasnprintf implementation needs special code for the
         ' flag.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:199: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST], [
  AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
  case "$gl_cv_func_printf_flag_leftadjust" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], [1],
        [Define if the vasnprintf implementation needs special code for the
         '-' flag.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:214: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO], [
  AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
  case "$gl_cv_func_printf_flag_zero" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_FLAG_ZERO], [1],
        [Define if the vasnprintf implementation needs special code for the
         0 flag.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:229: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION], [
  AC_REQUIRE([gl_PRINTF_PRECISION])
  case "$gl_cv_func_printf_precision" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], [1],
        [Define if the vasnprintf implementation needs special code for
         supporting large precisions without arbitrary bounds.])
      AC_DEFINE([NEED_PRINTF_DOUBLE], [1],
        [Define if the vasnprintf implementation needs special code for
         'double' arguments.])
      AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
        [Define if the vasnprintf implementation needs special code for
         'long double' arguments.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:251: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM], [
  AC_REQUIRE([gl_PRINTF_ENOMEM])
  case "$gl_cv_func_printf_enomem" in
    *yes)
      ;;
    *)
      AC_DEFINE([NEED_PRINTF_ENOMEM], [1],
        [Define if the vasnprintf implementation needs special code for
         surviving out-of-memory conditions.])
      AC_DEFINE([NEED_PRINTF_DOUBLE], [1],
        [Define if the vasnprintf implementation needs special code for
         'double' arguments.])
      AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1],
        [Define if the vasnprintf implementation needs special code for
         'long double' arguments.])
      ;;
  esac
])
m4trace:m4/vasnprintf.m4:272: -1- AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS], [
  AC_REQUIRE([gl_PREREQ_VASNPRINTF])
  gl_PREREQ_VASNPRINTF_LONG_DOUBLE
  gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
  gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
  gl_PREREQ_VASNPRINTF_DIRECTIVE_A
  gl_PREREQ_VASNPRINTF_DIRECTIVE_F
  gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
  gl_PREREQ_VASNPRINTF_FLAG_GROUPING
  gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
  gl_PREREQ_VASNPRINTF_FLAG_ZERO
  gl_PREREQ_VASNPRINTF_PRECISION
  gl_PREREQ_VASNPRINTF_ENOMEM
])
m4trace:m4/vasnprintf.m4:289: -1- AC_DEFUN([gl_PREREQ_ASNPRINTF], [
])
m4trace:m4/vasprintf.m4:8: -1- AC_DEFUN([gl_FUNC_VASPRINTF], [
  AC_CHECK_FUNCS([vasprintf])
  if test $ac_cv_func_vasprintf = no; then
    gl_REPLACE_VASPRINTF
  fi
])
m4trace:m4/vasprintf.m4:16: -1- AC_DEFUN([gl_REPLACE_VASPRINTF], [
  AC_LIBOBJ([vasprintf])
  AC_LIBOBJ([asprintf])
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  if test $ac_cv_func_vasprintf = yes; then
    REPLACE_VASPRINTF=1
  else
    HAVE_VASPRINTF=0
  fi
  gl_PREREQ_VASPRINTF_H
  gl_PREREQ_VASPRINTF
  gl_PREREQ_ASPRINTF
])
m4trace:m4/vasprintf.m4:32: -1- AC_DEFUN([gl_PREREQ_VASPRINTF_H], [
  dnl Persuade glibc <stdio.h> to declare asprintf() and vasprintf().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])
m4trace:m4/vasprintf.m4:39: -1- AC_DEFUN([gl_PREREQ_VASPRINTF], [
])
m4trace:m4/vasprintf.m4:44: -1- AC_DEFUN([gl_PREREQ_ASPRINTF], [
])
m4trace:m4/version-etc.m4:20: -1- AC_DEFUN([gl_VERSION_ETC], [dnl
  gl_VERSION_ETC_FLAG([packager],
                      [String identifying the packager of this software])
  gl_VERSION_ETC_FLAG([packager-version],
                      [Packager-specific version information])
  gl_VERSION_ETC_FLAG([packager-bug-reports],
                      [Packager info for bug reports (URL/e-mail/...)])
  if test "X$with_packager" = "X" && \
     test "X$with_packager_version$with_packager_bug_reports" != "X"
  then
    AC_MSG_ERROR([The --with-packager-{bug-reports,version} options require --with-packager])
  fi
])
m4trace:m4/warn-on-use.m4:24: -1- AC_DEFUN([gl_WARN_ON_USE_PREPARE], [
  m4_foreach_w([gl_decl], [$2],
    [AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
      [Define to 1 if ]m4_defn([gl_decl])[ is declared even after
       undefining macros.])])dnl
dnl FIXME: gl_Symbol must be used unquoted until we can assume
dnl autoconf 2.64 or newer.
  for gl_func in m4_flatten([$2]); do
    AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
    AC_CACHE_CHECK([whether $gl_func is declared without a macro],
      gl_Symbol,
      [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1],
[@%:@undef $gl_func
  (void) $gl_func;])],
        [AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
    AS_VAR_IF(gl_Symbol, [yes],
      [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
       dnl shortcut - if the raw declaration exists, then set a cache
       dnl variable to allow skipping any later AC_CHECK_DECL efforts
       eval ac_cv_have_decl_$gl_func=yes])
    AS_VAR_POPDEF([gl_Symbol])dnl
  done
])
m4trace:m4/warnings.m4:25: -1- AC_DEFUN([gl_COMPILER_OPTION_IF], [AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_[]_AC_LANG_ABBREV[]_$1])dnl
AS_VAR_PUSHDEF([gl_Flags], [_AC_LANG_PREFIX[]FLAGS])dnl
AS_LITERAL_IF([$1],
  [m4_pushdef([gl_Positive], m4_bpatsubst([$1], [^-Wno-], [-W]))],
  [gl_positive="$1"
case $gl_positive in
  -Wno-*) gl_positive=-W`expr "X$gl_positive" : 'X-Wno-\(.*\)'` ;;
esac
m4_pushdef([gl_Positive], [$gl_positive])])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], m4_defn([gl_Warn]), [
  gl_save_compiler_FLAGS="$gl_Flags"
  gl_AS_VAR_APPEND(m4_defn([gl_Flags]),
    [" $gl_unknown_warnings_are_errors ]m4_defn([gl_Positive])["])
  AC_LINK_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([])])],
                 [AS_VAR_SET(gl_Warn, [yes])],
                 [AS_VAR_SET(gl_Warn, [no])])
  gl_Flags="$gl_save_compiler_FLAGS"
])
AS_VAR_IF(gl_Warn, [yes], [$2], [$3])
m4_popdef([gl_Positive])dnl
AS_VAR_POPDEF([gl_Flags])dnl
AS_VAR_POPDEF([gl_Warn])dnl
])
m4trace:m4/warnings.m4:54: -1- AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS], [gl_COMPILER_OPTION_IF([-Werror -Wunknown-warning-option],
   [gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror'],
   [gl_unknown_warnings_are_errors=])])
m4trace:m4/warnings.m4:66: -1- AC_DEFUN([gl_WARN_ADD], [AC_REQUIRE([gl_UNKNOWN_WARNINGS_ARE_ERRORS])
gl_COMPILER_OPTION_IF([$1],
  [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]), [" $1"])],
  [],
  [$3])
m4_ifval([$2],
         [AS_LITERAL_IF([$2], [AC_SUBST([$2])])],
         [AC_SUBST([WARN_CFLAGS])])dnl
])
m4trace:m4/wchar_h.m4:12: -1- AC_DEFUN([gl_WCHAR_H], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
  AC_REQUIRE([gl_WCHAR_H_INLINE_OK])
  dnl Prepare for creating substitute <wchar.h>.
  dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
  dnl character support).
  dnl <wchar.h> is always overridden, because of GNULIB_POSIXCHECK.
  gl_CHECK_NEXT_HEADERS([wchar.h])
  if test $ac_cv_header_wchar_h = yes; then
    HAVE_WCHAR_H=1
  else
    HAVE_WCHAR_H=0
  fi
  AC_SUBST([HAVE_WCHAR_H])

  AC_REQUIRE([gl_FEATURES_H])

  AC_REQUIRE([gt_TYPE_WINT_T])
  if test $gt_cv_c_wint_t = yes; then
    HAVE_WINT_T=1
  else
    HAVE_WINT_T=0
  fi
  AC_SUBST([HAVE_WINT_T])

  AC_REQUIRE([gl_TYPE_WINT_T_PREREQ])

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
#endif
#include <wchar.h>
    ]],
    [btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb
     wcsrtombs wcsnrtombs wcwidth wmemchr wmemcmp wmemcpy wmemmove wmemset
     wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat wcscmp
     wcsncmp wcscasecmp wcsncasecmp wcscoll wcsxfrm wcsdup wcschr wcsrchr
     wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth wcsftime
    ])
])
m4trace:m4/wchar_h.m4:63: -1- AC_DEFUN([gl_WCHAR_H_INLINE_OK], [
  dnl Test whether <wchar.h> suffers due to the transition from '__inline' to
  dnl 'gnu_inline'. See <http://sourceware.org/bugzilla/show_bug.cgi?id=4022>
  dnl and <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42440>. In summary,
  dnl glibc version 2.5 or older, together with gcc version 4.3 or newer and
  dnl the option -std=c99 or -std=gnu99, leads to a broken <wchar.h>.
  AC_CACHE_CHECK([whether <wchar.h> uses 'inline' correctly],
    [gl_cv_header_wchar_h_correct_inline],
    [gl_cv_header_wchar_h_correct_inline=yes
     AC_LANG_CONFTEST([
       AC_LANG_SOURCE([[#define wcstod renamed_wcstod
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
extern int zero (void);
int main () { return zero(); }
]])])
     dnl Do not rename the object file from conftest.$ac_objext to
     dnl conftest1.$ac_objext, as this will cause the link to fail on
     dnl z/OS when using the XPLINK object format (due to duplicate
     dnl CSECT names). Instead, temporarily redefine $ac_compile so
     dnl that the object file has the latter name from the start.
     save_ac_compile="$ac_compile"
     ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest1/`
     if AC_TRY_EVAL([ac_compile]); then
       AC_LANG_CONFTEST([
         AC_LANG_SOURCE([[#define wcstod renamed_wcstod
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int zero (void) { return 0; }
]])])
       dnl See note above about renaming object files.
       ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest2/`
       if AC_TRY_EVAL([ac_compile]); then
         if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&AS_MESSAGE_LOG_FD 2>&1; then
           :
         else
           gl_cv_header_wchar_h_correct_inline=no
         fi
       fi
     fi
     ac_compile="$save_ac_compile"
     rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
    ])
  if test $gl_cv_header_wchar_h_correct_inline = no; then
    AC_MSG_ERROR([<wchar.h> cannot be used with this compiler ($CC $CFLAGS $CPPFLAGS).
This is a known interoperability problem of glibc <= 2.5 with gcc >= 4.3 in
C99 mode. You have four options:
  - Add the flag -fgnu89-inline to CC and reconfigure, or
  - Fix your include files, using parts of
    <http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=b037a293a48718af30d706c2e18c929d0e69a621>, or
  - Use a gcc version older than 4.3, or
  - Don't use the flags -std=c99 or -std=gnu99.
Configuration aborted.])
  fi
])
m4trace:m4/wchar_h.m4:132: -1- AC_DEFUN([gl_WCHAR_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/wchar_h.m4:141: -1- AC_DEFUN([gl_WCHAR_H_DEFAULTS], [
  GNULIB_BTOWC=0;       AC_SUBST([GNULIB_BTOWC])
  GNULIB_WCTOB=0;       AC_SUBST([GNULIB_WCTOB])
  GNULIB_MBSINIT=0;     AC_SUBST([GNULIB_MBSINIT])
  GNULIB_MBRTOWC=0;     AC_SUBST([GNULIB_MBRTOWC])
  GNULIB_MBRLEN=0;      AC_SUBST([GNULIB_MBRLEN])
  GNULIB_MBSRTOWCS=0;   AC_SUBST([GNULIB_MBSRTOWCS])
  GNULIB_MBSNRTOWCS=0;  AC_SUBST([GNULIB_MBSNRTOWCS])
  GNULIB_WCRTOMB=0;     AC_SUBST([GNULIB_WCRTOMB])
  GNULIB_WCSRTOMBS=0;   AC_SUBST([GNULIB_WCSRTOMBS])
  GNULIB_WCSNRTOMBS=0;  AC_SUBST([GNULIB_WCSNRTOMBS])
  GNULIB_WCWIDTH=0;     AC_SUBST([GNULIB_WCWIDTH])
  GNULIB_WMEMCHR=0;     AC_SUBST([GNULIB_WMEMCHR])
  GNULIB_WMEMCMP=0;     AC_SUBST([GNULIB_WMEMCMP])
  GNULIB_WMEMCPY=0;     AC_SUBST([GNULIB_WMEMCPY])
  GNULIB_WMEMMOVE=0;    AC_SUBST([GNULIB_WMEMMOVE])
  GNULIB_WMEMSET=0;     AC_SUBST([GNULIB_WMEMSET])
  GNULIB_WCSLEN=0;      AC_SUBST([GNULIB_WCSLEN])
  GNULIB_WCSNLEN=0;     AC_SUBST([GNULIB_WCSNLEN])
  GNULIB_WCSCPY=0;      AC_SUBST([GNULIB_WCSCPY])
  GNULIB_WCPCPY=0;      AC_SUBST([GNULIB_WCPCPY])
  GNULIB_WCSNCPY=0;     AC_SUBST([GNULIB_WCSNCPY])
  GNULIB_WCPNCPY=0;     AC_SUBST([GNULIB_WCPNCPY])
  GNULIB_WCSCAT=0;      AC_SUBST([GNULIB_WCSCAT])
  GNULIB_WCSNCAT=0;     AC_SUBST([GNULIB_WCSNCAT])
  GNULIB_WCSCMP=0;      AC_SUBST([GNULIB_WCSCMP])
  GNULIB_WCSNCMP=0;     AC_SUBST([GNULIB_WCSNCMP])
  GNULIB_WCSCASECMP=0;  AC_SUBST([GNULIB_WCSCASECMP])
  GNULIB_WCSNCASECMP=0; AC_SUBST([GNULIB_WCSNCASECMP])
  GNULIB_WCSCOLL=0;     AC_SUBST([GNULIB_WCSCOLL])
  GNULIB_WCSXFRM=0;     AC_SUBST([GNULIB_WCSXFRM])
  GNULIB_WCSDUP=0;      AC_SUBST([GNULIB_WCSDUP])
  GNULIB_WCSCHR=0;      AC_SUBST([GNULIB_WCSCHR])
  GNULIB_WCSRCHR=0;     AC_SUBST([GNULIB_WCSRCHR])
  GNULIB_WCSCSPN=0;     AC_SUBST([GNULIB_WCSCSPN])
  GNULIB_WCSSPN=0;      AC_SUBST([GNULIB_WCSSPN])
  GNULIB_WCSPBRK=0;     AC_SUBST([GNULIB_WCSPBRK])
  GNULIB_WCSSTR=0;      AC_SUBST([GNULIB_WCSSTR])
  GNULIB_WCSTOK=0;      AC_SUBST([GNULIB_WCSTOK])
  GNULIB_WCSWIDTH=0;    AC_SUBST([GNULIB_WCSWIDTH])
  GNULIB_WCSFTIME=0;    AC_SUBST([GNULIB_WCSFTIME])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_BTOWC=1;         AC_SUBST([HAVE_BTOWC])
  HAVE_MBSINIT=1;       AC_SUBST([HAVE_MBSINIT])
  HAVE_MBRTOWC=1;       AC_SUBST([HAVE_MBRTOWC])
  HAVE_MBRLEN=1;        AC_SUBST([HAVE_MBRLEN])
  HAVE_MBSRTOWCS=1;     AC_SUBST([HAVE_MBSRTOWCS])
  HAVE_MBSNRTOWCS=1;    AC_SUBST([HAVE_MBSNRTOWCS])
  HAVE_WCRTOMB=1;       AC_SUBST([HAVE_WCRTOMB])
  HAVE_WCSRTOMBS=1;     AC_SUBST([HAVE_WCSRTOMBS])
  HAVE_WCSNRTOMBS=1;    AC_SUBST([HAVE_WCSNRTOMBS])
  HAVE_WMEMCHR=1;       AC_SUBST([HAVE_WMEMCHR])
  HAVE_WMEMCMP=1;       AC_SUBST([HAVE_WMEMCMP])
  HAVE_WMEMCPY=1;       AC_SUBST([HAVE_WMEMCPY])
  HAVE_WMEMMOVE=1;      AC_SUBST([HAVE_WMEMMOVE])
  HAVE_WMEMSET=1;       AC_SUBST([HAVE_WMEMSET])
  HAVE_WCSLEN=1;        AC_SUBST([HAVE_WCSLEN])
  HAVE_WCSNLEN=1;       AC_SUBST([HAVE_WCSNLEN])
  HAVE_WCSCPY=1;        AC_SUBST([HAVE_WCSCPY])
  HAVE_WCPCPY=1;        AC_SUBST([HAVE_WCPCPY])
  HAVE_WCSNCPY=1;       AC_SUBST([HAVE_WCSNCPY])
  HAVE_WCPNCPY=1;       AC_SUBST([HAVE_WCPNCPY])
  HAVE_WCSCAT=1;        AC_SUBST([HAVE_WCSCAT])
  HAVE_WCSNCAT=1;       AC_SUBST([HAVE_WCSNCAT])
  HAVE_WCSCMP=1;        AC_SUBST([HAVE_WCSCMP])
  HAVE_WCSNCMP=1;       AC_SUBST([HAVE_WCSNCMP])
  HAVE_WCSCASECMP=1;    AC_SUBST([HAVE_WCSCASECMP])
  HAVE_WCSNCASECMP=1;   AC_SUBST([HAVE_WCSNCASECMP])
  HAVE_WCSCOLL=1;       AC_SUBST([HAVE_WCSCOLL])
  HAVE_WCSXFRM=1;       AC_SUBST([HAVE_WCSXFRM])
  HAVE_WCSDUP=1;        AC_SUBST([HAVE_WCSDUP])
  HAVE_WCSCHR=1;        AC_SUBST([HAVE_WCSCHR])
  HAVE_WCSRCHR=1;       AC_SUBST([HAVE_WCSRCHR])
  HAVE_WCSCSPN=1;       AC_SUBST([HAVE_WCSCSPN])
  HAVE_WCSSPN=1;        AC_SUBST([HAVE_WCSSPN])
  HAVE_WCSPBRK=1;       AC_SUBST([HAVE_WCSPBRK])
  HAVE_WCSSTR=1;        AC_SUBST([HAVE_WCSSTR])
  HAVE_WCSTOK=1;        AC_SUBST([HAVE_WCSTOK])
  HAVE_WCSWIDTH=1;      AC_SUBST([HAVE_WCSWIDTH])
  HAVE_WCSFTIME=1;      AC_SUBST([HAVE_WCSFTIME])
  HAVE_DECL_WCTOB=1;    AC_SUBST([HAVE_DECL_WCTOB])
  HAVE_DECL_WCWIDTH=1;  AC_SUBST([HAVE_DECL_WCWIDTH])
  REPLACE_MBSTATE_T=0;  AC_SUBST([REPLACE_MBSTATE_T])
  REPLACE_BTOWC=0;      AC_SUBST([REPLACE_BTOWC])
  REPLACE_WCTOB=0;      AC_SUBST([REPLACE_WCTOB])
  REPLACE_MBSINIT=0;    AC_SUBST([REPLACE_MBSINIT])
  REPLACE_MBRTOWC=0;    AC_SUBST([REPLACE_MBRTOWC])
  REPLACE_MBRLEN=0;     AC_SUBST([REPLACE_MBRLEN])
  REPLACE_MBSRTOWCS=0;  AC_SUBST([REPLACE_MBSRTOWCS])
  REPLACE_MBSNRTOWCS=0; AC_SUBST([REPLACE_MBSNRTOWCS])
  REPLACE_WCRTOMB=0;    AC_SUBST([REPLACE_WCRTOMB])
  REPLACE_WCSRTOMBS=0;  AC_SUBST([REPLACE_WCSRTOMBS])
  REPLACE_WCSNRTOMBS=0; AC_SUBST([REPLACE_WCSNRTOMBS])
  REPLACE_WCWIDTH=0;    AC_SUBST([REPLACE_WCWIDTH])
  REPLACE_WCSWIDTH=0;   AC_SUBST([REPLACE_WCSWIDTH])
  REPLACE_WCSFTIME=0;   AC_SUBST([REPLACE_WCSFTIME])
])
m4trace:m4/wchar_t.m4:11: -1- AC_DEFUN([gt_TYPE_WCHAR_T], [
  AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <stddef.h>
            wchar_t foo = (wchar_t)'\0';]],
          [[]])],
       [gt_cv_c_wchar_t=yes],
       [gt_cv_c_wchar_t=no])])
  if test $gt_cv_c_wchar_t = yes; then
    AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.])
  fi
])
m4trace:m4/wcrtomb.m4:7: -1- AC_DEFUN([gl_FUNC_WCRTOMB], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  gl_MBSTATE_T_BROKEN

  AC_CHECK_FUNCS_ONCE([wcrtomb])
  if test $ac_cv_func_wcrtomb = no; then
    HAVE_WCRTOMB=0
    AC_CHECK_DECLS([wcrtomb],,, [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
    if test $ac_cv_have_decl_wcrtomb = yes; then
      dnl On Minix 3.1.8, the system's <wchar.h> declares wcrtomb() although
      dnl it does not have the function. Avoid a collision with gnulib's
      dnl replacement.
      REPLACE_WCRTOMB=1
    fi
  else
    if test $REPLACE_MBSTATE_T = 1; then
      REPLACE_WCRTOMB=1
    else
      dnl On AIX 4.3, OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes
      dnl returns 0 instead of 1.
      AC_REQUIRE([AC_PROG_CC])
      AC_REQUIRE([gt_LOCALE_FR])
      AC_REQUIRE([gt_LOCALE_FR_UTF8])
      AC_REQUIRE([gt_LOCALE_JA])
      AC_REQUIRE([gt_LOCALE_ZH_CN])
      AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
      AC_CACHE_CHECK([whether wcrtomb return value is correct],
        [gl_cv_func_wcrtomb_retval],
        [
          dnl Initial guess, used when cross-compiling or when no suitable locale
          dnl is present.
changequote(,)dnl
          case "$host_os" in
                                     # Guess no on AIX 4, OSF/1 and Solaris.
            aix4* | osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;;
                                     # Guess yes otherwise.
            *)                       gl_cv_func_wcrtomb_retval="guessing yes" ;;
          esac
changequote([,])dnl
          if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
            AC_RUN_IFELSE(
              [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  int result = 0;
  if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
    {
      if (wcrtomb (NULL, 0, NULL) != 1)
        result |= 1;
    }
  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
    {
      if (wcrtomb (NULL, 0, NULL) != 1)
        result |= 2;
    }
  if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
    {
      if (wcrtomb (NULL, 0, NULL) != 1)
        result |= 4;
    }
  if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
    {
      if (wcrtomb (NULL, 0, NULL) != 1)
        result |= 8;
    }
  return result;
}]])],
              [gl_cv_func_wcrtomb_retval=yes],
              [gl_cv_func_wcrtomb_retval=no],
              [:])
          fi
        ])
      case "$gl_cv_func_wcrtomb_retval" in
        *yes) ;;
        *) REPLACE_WCRTOMB=1 ;;
      esac
    fi
  fi
])
m4trace:m4/wcrtomb.m4:110: -1- AC_DEFUN([gl_PREREQ_WCRTOMB], [
  :
])
m4trace:m4/wctob.m4:7: -1- AC_DEFUN([gl_FUNC_WCTOB], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  AC_CHECK_FUNCS_ONCE([wctob])
  if test $ac_cv_func_wctob = no; then
    HAVE_WCTOB=0
    HAVE_DECL_WCTOB=0
  else
    HAVE_WCTOB=1

    dnl Solaris 9 has the wctob() function but it does not work.
    dnl Cygwin 1.7.2 has the wctob() function but it clobbers caller-owned
    dnl registers, see <http://cygwin.com/ml/cygwin/2010-05/msg00015.html>.
    AC_REQUIRE([AC_PROG_CC])
    AC_REQUIRE([gt_LOCALE_FR])
    AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
    AC_CACHE_CHECK([whether wctob works],
      [gl_cv_func_wctob_works],
      [
        dnl Initial guess, used when cross-compiling or when no suitable locale
        dnl is present.
changequote(,)dnl
        case "$host_os" in
            # Guess no on Solaris <= 9 and Cygwin.
          solaris2.[1-9] | solaris2.[1-9].* | cygwin*)
            gl_cv_func_wctob_works="guessing no" ;;
            # Guess yes otherwise.
          *) gl_cv_func_wctob_works="guessing yes" ;;
        esac
changequote([,])dnl
        case "$host_os" in
          cygwin*)
            AC_RUN_IFELSE(
              [AC_LANG_SOURCE([[
#include <locale.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>

register long global __asm__ ("%ebx");

int main ()
{
  setlocale (LC_ALL, "en_US.UTF-8");

  global = 0x12345678;
  if (wctob (0x00FC) != -1)
    return 1;
  if (global != 0x12345678)
    return 2;
  return 0;
}]])],
              [:],
              [gl_cv_func_wctob_works=no],
              [:])
            ;;
        esac
        if test "$gl_cv_func_wctob_works" != no && test $LOCALE_FR != none; then
          AC_RUN_IFELSE(
            [AC_LANG_SOURCE([[
#include <locale.h>
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
int main ()
{
  if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
    {
      wchar_t wc;

      if (mbtowc (&wc, "\374", 1) == 1)
        if (wctob (wc) != (unsigned char) '\374')
          return 1;
    }
  return 0;
}]])],
            [gl_cv_func_wctob_works=yes],
            [gl_cv_func_wctob_works=no],
            [:])
        fi
      ])
    case "$gl_cv_func_wctob_works" in
      *yes) ;;
      *) REPLACE_WCTOB=1 ;;
    esac
    if test $REPLACE_WCTOB = 0; then

      dnl IRIX 6.5 has the wctob() function but does not declare it.
      AC_CHECK_DECLS([wctob], [], [], [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
   before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
      if test $ac_cv_have_decl_wctob != yes; then
        HAVE_DECL_WCTOB=0
      fi
    fi
  fi
])
m4trace:m4/wctob.m4:125: -1- AC_DEFUN([gl_PREREQ_WCTOB], [
  :
])
m4trace:m4/wctomb.m4:7: -1- AC_DEFUN([gl_FUNC_WCTOMB], [
  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])

  if false; then
    REPLACE_WCTOMB=1
  fi
])
m4trace:m4/wctomb.m4:17: -1- AC_DEFUN([gl_PREREQ_WCTOMB], [
  :
])
m4trace:m4/wctype_h.m4:12: -1- AC_DEFUN([gl_WCTYPE_H], [
  AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CHECK_FUNCS_ONCE([iswcntrl])
  if test $ac_cv_func_iswcntrl = yes; then
    HAVE_ISWCNTRL=1
  else
    HAVE_ISWCNTRL=0
  fi
  AC_SUBST([HAVE_ISWCNTRL])

  AC_REQUIRE([gt_TYPE_WINT_T])
  if test $gt_cv_c_wint_t = yes; then
    HAVE_WINT_T=1
  else
    HAVE_WINT_T=0
  fi
  AC_SUBST([HAVE_WINT_T])

  AC_REQUIRE([gl_TYPE_WINT_T_PREREQ])

  gl_CHECK_NEXT_HEADERS([wctype.h])
  if test $ac_cv_header_wctype_h = yes; then
    if test $ac_cv_func_iswcntrl = yes; then
      dnl Linux libc5 has an iswprint function that returns 0 for all arguments.
      dnl The other functions are likely broken in the same way.
      AC_CACHE_CHECK([whether iswcntrl works], [gl_cv_func_iswcntrl_works],
        [
          AC_RUN_IFELSE(
            [AC_LANG_SOURCE([[
               /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
                  included before <wchar.h>.
                  BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
                  must be included before <wchar.h>.  */
               #include <stddef.h>
               #include <stdio.h>
               #include <time.h>
               #include <wchar.h>
               #include <wctype.h>
               int main () { return iswprint ('x') == 0; }
            ]])],
            [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no],
            [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
                          #if __GNU_LIBRARY__ == 1
                          Linux libc5 i18n is broken.
                          #endif]], [])],
              [gl_cv_func_iswcntrl_works="guessing yes"],
              [gl_cv_func_iswcntrl_works="guessing no"])
            ])
        ])
    fi
    HAVE_WCTYPE_H=1
  else
    HAVE_WCTYPE_H=0
  fi
  AC_SUBST([HAVE_WCTYPE_H])

  case "$gl_cv_func_iswcntrl_works" in
    *yes) REPLACE_ISWCNTRL=0 ;;
    *)    REPLACE_ISWCNTRL=1 ;;
  esac
  AC_SUBST([REPLACE_ISWCNTRL])

  if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then
    dnl Redefine all of iswcntrl, ..., iswxdigit in <wctype.h>.
    :
  fi

  if test $REPLACE_ISWCNTRL = 1; then
    REPLACE_TOWLOWER=1
  else
    AC_CHECK_FUNCS([towlower])
    if test $ac_cv_func_towlower = yes; then
      REPLACE_TOWLOWER=0
    else
      AC_CHECK_DECLS([towlower],,,
        [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
             included before <wchar.h>.
             BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
             must be included before <wchar.h>.  */
          #include <stddef.h>
          #include <stdio.h>
          #include <time.h>
          #include <wchar.h>
          #if HAVE_WCTYPE_H
          # include <wctype.h>
          #endif
        ]])
      if test $ac_cv_have_decl_towlower = yes; then
        dnl On Minix 3.1.8, the system's <wctype.h> declares towlower() and
        dnl towupper() although it does not have the functions. Avoid a
        dnl collision with gnulib's replacement.
        REPLACE_TOWLOWER=1
      else
        REPLACE_TOWLOWER=0
      fi
    fi
  fi
  AC_SUBST([REPLACE_TOWLOWER])

  if test $HAVE_ISWCNTRL = 0 || test $REPLACE_TOWLOWER = 1; then
    dnl Redefine towlower, towupper in <wctype.h>.
    :
  fi

  dnl We assume that the wctype() and iswctype() functions exist if and only
  dnl if the type wctype_t is defined in <wchar.h> or in <wctype.h> if that
  dnl exists.
  dnl HP-UX 11.00 declares all these in <wchar.h> and lacks <wctype.h>.
  AC_CACHE_CHECK([for wctype_t], [gl_cv_type_wctype_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
               included before <wchar.h>.
               BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
               must be included before <wchar.h>.  */
            #include <stddef.h>
            #include <stdio.h>
            #include <time.h>
            #include <wchar.h>
            #if HAVE_WCTYPE_H
            # include <wctype.h>
            #endif
            wctype_t a;
          ]],
          [[]])],
       [gl_cv_type_wctype_t=yes],
       [gl_cv_type_wctype_t=no])
    ])
  if test $gl_cv_type_wctype_t = no; then
    HAVE_WCTYPE_T=0
  fi

  dnl We assume that the wctrans() and towctrans() functions exist if and only
  dnl if the type wctrans_t is defined in <wctype.h>.
  AC_CACHE_CHECK([for wctrans_t], [gl_cv_type_wctrans_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
               included before <wchar.h>.
               BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
               must be included before <wchar.h>.  */
            #include <stddef.h>
            #include <stdio.h>
            #include <time.h>
            #include <wchar.h>
            #include <wctype.h>
            wctrans_t a;
          ]],
          [[]])],
       [gl_cv_type_wctrans_t=yes],
       [gl_cv_type_wctrans_t=no])
    ])
  if test $gl_cv_type_wctrans_t = no; then
    HAVE_WCTRANS_T=0
  fi

  dnl Check for declarations of anything we want to poison if the
  dnl corresponding gnulib module is not in use.
  gl_WARN_ON_USE_PREPARE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
# include <wchar.h>
#endif
#include <wctype.h>
    ]],
    [wctype iswctype wctrans towctrans
    ])
])
m4trace:m4/wctype_h.m4:190: -1- AC_DEFUN([gl_WCTYPE_MODULE_INDICATOR], [
  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  dnl Define it also as a C macro, for the benefit of the unit tests.
  gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
m4trace:m4/wctype_h.m4:199: -1- AC_DEFUN([gl_WCTYPE_H_DEFAULTS], [
  GNULIB_ISWBLANK=0;    AC_SUBST([GNULIB_ISWBLANK])
  GNULIB_WCTYPE=0;      AC_SUBST([GNULIB_WCTYPE])
  GNULIB_ISWCTYPE=0;    AC_SUBST([GNULIB_ISWCTYPE])
  GNULIB_WCTRANS=0;     AC_SUBST([GNULIB_WCTRANS])
  GNULIB_TOWCTRANS=0;   AC_SUBST([GNULIB_TOWCTRANS])
  dnl Assume proper GNU behavior unless another module says otherwise.
  HAVE_ISWBLANK=1;      AC_SUBST([HAVE_ISWBLANK])
  HAVE_WCTYPE_T=1;      AC_SUBST([HAVE_WCTYPE_T])
  HAVE_WCTRANS_T=1;     AC_SUBST([HAVE_WCTRANS_T])
  REPLACE_ISWBLANK=0;   AC_SUBST([REPLACE_ISWBLANK])
])
m4trace:m4/wcwidth.m4:7: -1- AC_DEFUN([gl_FUNC_WCWIDTH], [
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  dnl Persuade glibc <wchar.h> to declare wcwidth().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([gt_TYPE_WCHAR_T])
  AC_REQUIRE([gt_TYPE_WINT_T])

  AC_CHECK_HEADERS_ONCE([wchar.h])
  AC_CHECK_FUNCS_ONCE([wcwidth])

  AC_CHECK_DECLS([wcwidth], [], [], [[
/* AIX 3.2.5 declares wcwidth in <string.h>. */
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
   before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
  if test $ac_cv_have_decl_wcwidth != yes; then
    HAVE_DECL_WCWIDTH=0
  fi

  if test $ac_cv_func_wcwidth = yes; then
    HAVE_WCWIDTH=1
    dnl On Mac OS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1.
    dnl On OpenBSD 5.0, wcwidth(0x05B0) (HEBREW POINT SHEVA) returns 1.
    dnl On OSF/1 5.1, wcwidth(0x200B) (ZERO WIDTH SPACE) returns 1.
    dnl On OpenBSD 5.8, wcwidth(0xFF1A) (FULLWIDTH COLON) returns 0.
    dnl This leads to bugs in 'ls' (coreutils).
    AC_CACHE_CHECK([whether wcwidth works reasonably in UTF-8 locales],
      [gl_cv_func_wcwidth_works],
      [
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE([[
#include <locale.h>
/* AIX 3.2.5 declares wcwidth in <string.h>. */
#include <string.h>
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
   before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
#if !HAVE_DECL_WCWIDTH
extern
# ifdef __cplusplus
"C"
# endif
int wcwidth (int);
#endif
int main ()
{
  int result = 0;
  if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL)
    {
      if (wcwidth (0x0301) > 0)
        result |= 1;
      if (wcwidth (0x05B0) > 0)
        result |= 2;
      if (wcwidth (0x200B) > 0)
        result |= 4;
      if (wcwidth (0xFF1A) == 0)
        result |= 8;
    }
  return result;
}]])],
          [gl_cv_func_wcwidth_works=yes],
          [gl_cv_func_wcwidth_works=no],
          [
changequote(,)dnl
           case "$host_os" in
                     # Guess yes on glibc and AIX 7 systems.
             *-gnu* | aix[7-9]*) gl_cv_func_wcwidth_works="guessing yes";;
             *)                  gl_cv_func_wcwidth_works="guessing no";;
           esac
changequote([,])dnl
          ])
      ])
    case "$gl_cv_func_wcwidth_works" in
      *yes) ;;
      *no) REPLACE_WCWIDTH=1 ;;
    esac
  else
    HAVE_WCWIDTH=0
  fi
  dnl We don't substitute HAVE_WCWIDTH. We assume that if the system does not
  dnl have the wcwidth function, then it does not declare it.
])
m4trace:m4/wint_t.m4:12: -1- AC_DEFUN([gt_TYPE_WINT_T], [
  AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
   before <wchar.h>.  */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
            wint_t foo = (wchar_t)'\0';]],
          [[]])],
       [gt_cv_c_wint_t=yes],
       [gt_cv_c_wint_t=no])])
  if test $gt_cv_c_wint_t = yes; then
    AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])

    dnl Determine whether gnulib's <wchar.h> or <wctype.h> would, if present,
    dnl override 'wint_t'.
    AC_CACHE_CHECK([whether wint_t is too small],
      [gl_cv_type_wint_t_too_small],
      [AC_COMPILE_IFELSE(
           [AC_LANG_PROGRAM([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
#endif
#include <wchar.h>
              int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1];
              ]])],
           [gl_cv_type_wint_t_too_small=no],
           [gl_cv_type_wint_t_too_small=yes])])
    if test $gl_cv_type_wint_t_too_small = yes; then
      GNULIB_OVERRIDES_WINT_T=1
    else
      GNULIB_OVERRIDES_WINT_T=0
    fi
  else
    GNULIB_OVERRIDES_WINT_T=0
  fi
  AC_SUBST([GNULIB_OVERRIDES_WINT_T])
])
m4trace:m4/wint_t.m4:65: -1- AC_DEFUN([gl_TYPE_WINT_T_PREREQ], [
  AC_CHECK_HEADERS_ONCE([crtdefs.h])
  if test $ac_cv_header_crtdefs_h = yes; then
    HAVE_CRTDEFS_H=1
  else
    HAVE_CRTDEFS_H=0
  fi
  AC_SUBST([HAVE_CRTDEFS_H])
])
m4trace:m4/xalloc.m4:7: -1- AC_DEFUN([gl_XALLOC], [:])
m4trace:m4/xsize.m4:7: -1- AC_DEFUN([gl_XSIZE], [
  dnl Prerequisites of lib/xsize.h.
  AC_REQUIRE([gl_SIZE_MAX])
  AC_CHECK_HEADERS([stdint.h])
])
m4trace:m4/xstrndup.m4:7: -1- AC_DEFUN([gl_XSTRNDUP], [
  gl_PREREQ_XSTRNDUP
])
m4trace:m4/xstrndup.m4:13: -1- AC_DEFUN([gl_PREREQ_XSTRNDUP], [
  :
])
m4trace:m4/xstrtol.m4:7: -1- AC_DEFUN([gl_XSTRTOL], [
  :
])
m4trace:m4/xvasprintf.m4:8: -1- AC_DEFUN([gl_XVASPRINTF], [:])
m4trace:configure.ac:21: -1- m4_pattern_forbid([^_?A[CHUM]_])
m4trace:configure.ac:21: -1- m4_pattern_forbid([_AC_])
m4trace:configure.ac:21: -1- m4_pattern_forbid([^LIBOBJS$], [do not use LIBOBJS directly, use AC_LIBOBJ (see section `AC_LIBOBJ vs LIBOBJS'])
m4trace:configure.ac:21: -1- m4_pattern_allow([^AS_FLAGS$])
m4trace:configure.ac:21: -1- m4_pattern_forbid([^_?m4_])
m4trace:configure.ac:21: -1- m4_pattern_forbid([^dnl$])
m4trace:configure.ac:21: -1- m4_pattern_forbid([^_?AS_])
m4trace:configure.ac:21: -1- m4_pattern_allow([^SHELL$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PATH_SEPARATOR$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_NAME$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_TARNAME$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_VERSION$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_STRING$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_BUGREPORT$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_URL$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^exec_prefix$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^prefix$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^program_transform_name$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^bindir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^sbindir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^libexecdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^datarootdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^datadir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^sysconfdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^sharedstatedir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^localstatedir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^includedir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^oldincludedir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^docdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^infodir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^htmldir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^dvidir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^pdfdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^psdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^libdir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^localedir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^mandir$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_NAME$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_TARNAME$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_VERSION$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_STRING$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_BUGREPORT$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^PACKAGE_URL$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^DEFS$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^ECHO_C$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^ECHO_N$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^ECHO_T$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^LIBS$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^build_alias$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^host_alias$])
m4trace:configure.ac:21: -1- m4_pattern_allow([^target_alias$])
m4trace:configure.ac:27: -1- AC_CONFIG_MACRO_DIR([m4])
m4trace:configure.ac:29: -1- AM_INIT_AUTOMAKE([1.11 dist-xz no-dist-gzip subdir-objects
                       color-tests parallel-tests])
m4trace:configure.ac:29: -1- m4_pattern_allow([^AM_[A-Z]+FLAGS$])
m4trace:configure.ac:29: -1- AM_SET_CURRENT_AUTOMAKE_VERSION
m4trace:configure.ac:29: -1- AM_AUTOMAKE_VERSION([1.16.1])
m4trace:configure.ac:29: -1- _AM_AUTOCONF_VERSION([2.69])
m4trace:configure.ac:29: -1- m4_pattern_allow([^INSTALL_PROGRAM$])
m4trace:configure.ac:29: -1- m4_pattern_allow([^INSTALL_SCRIPT$])
m4trace:configure.ac:29: -1- m4_pattern_allow([^INSTALL_DATA$])
m4trace:configure.ac:29: -1- m4_pattern_allow([^am__isrc$])
m4trace:configure.ac:29: -1- _AM_SUBST_NOTMAKE([am__isrc])
m4trace:configure.ac:29: -1- m4_pattern_allow([^CYGPATH_W$])
m4trace:configure.ac:29: -1- _AM_SET_OPTIONS([1.11 dist-xz no-dist-gzip subdir-objects
                       color-tests parallel-tests])
m4trace:configure.ac:29: -1- _AM_SET_OPTION([1.11])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([1.11])
m4trace:configure.ac:29: -1- _AM_SET_OPTION([dist-xz])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([dist-xz])
m4trace:configure.ac:29: -1- _AM_SET_OPTION([no-dist-gzip])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([no-dist-gzip])
m4trace:configure.ac:29: -1- _AM_SET_OPTION([subdir-objects])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([subdir-objects])
m4trace:configure.ac:29: -1- _AM_SET_OPTION([color-tests])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([color-tests])
m4trace:configure.ac:29: -1- _AM_SET_OPTION([parallel-tests])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([parallel-tests])
m4trace:configure.ac:29: -1- m4_pattern_allow([^PACKAGE$])
m4trace:configure.ac:29: -1- m4_pattern_allow([^VERSION$])
m4trace:configure.ac:29: -1- _AM_IF_OPTION([no-define], [], [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])
m4trace:configure.ac:29: -2- _AM_MANGLE_OPTION([no-define])
m4trace:configure.ac:29: -1- m4_pattern_allow([^PACKAGE$])
m4trace:configure.ac:29: -1- m4_pattern_allow([^VERSION$])
m4trace:configure.ac:29: -1- AM_SANITY_CHECK
m4trace:configure.ac:29: -1- AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
m4trace:configure.ac:29: -1- AM_MISSING_HAS_RUN
m4trace:configure.ac:29: -1- AM_AUX_DIR_EXPAND
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m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_BTOWC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCTOB$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MBSINIT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MBRTOWC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MBRLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MBSRTOWCS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MBSNRTOWCS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCRTOMB$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCSRTOMBS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCSNRTOMBS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCWIDTH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCSWIDTH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCSFTIME$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([btowc.c])
m4trace:configure.ac:42: -1- gl_PREREQ_BTOWC
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([btowc])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([btowc])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[btowc]],
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m4trace:configure.ac:42: -1- gl___BUILTIN_EXPECT
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE___BUILTIN_EXPECT$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_XSI_STACK_OVERFLOW_HEURISTIC$])
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m4trace:configure.ac:42: -1- AC_LIB_HAVE_LINKFLAGS([sigsegv], [], [#include <sigsegv.h>], [sigsegv_deinstall_handler();], [no, consider installing GNU libsigsegv])
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m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([
    eval additional_includedir=\"$includedir\"
    eval additional_libdir=\"$libdir\"
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m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([
          eval additional_includedir=\"$includedir\"
          eval additional_libdir=\"$libdir\"
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m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCSIGSEGV])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_EUIDACCESS$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETPAGESIZE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GROUP_MEMBER$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_READLINK$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYMLINK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYMLINKAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TRUNCATE$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_USLEEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_ENVIRON$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FCHDIR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FDATASYNC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETDOMAINNAME$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETLOGIN_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETPAGESIZE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETUSERSHELL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_SETHOSTNAME$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_PARAM_H$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_GETLOGIN_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_GETGROUPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_GETPAGESIZE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_ISATTY$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_LINK$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PWRITE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_READ$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_READLINK$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_RMDIR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SLEEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SYMLINK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SYMLINKAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_TRUNCATE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_TTYNAME_R$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_UNLINKAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_USLEEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WRITE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^UNISTD_H_HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS$])
m4trace:configure.ac:42: -1- gl_MSVC_INVAL
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func__set_invalid_parameter_handler], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" _set_invalid_parameter_handler"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MSVC_INVALID_PARAMETER_HANDLER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MSVC_INVALID_PARAMETER_HANDLER$])
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- gl_SYS_IOCTL_H_DEFAULTS
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m4trace:configure.ac:42: -1- m4_pattern_allow([^SYS_IOCTL_H_HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS$])
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m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([close.c])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([close])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([close])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[close]],
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m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([close])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^pdfdir$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^psdir$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^pkglibexecdir$])
m4trace:configure.ac:42: -1- gl_CTYPE_H
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m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([ctype.h], [assume])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^INCLUDE_NEXT_AS_FIRST_DIRECTIVE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^PRAGMA_SYSTEM_HEADER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^PRAGMA_COLUMNS$])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([ctype.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_CTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_CTYPE_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <ctype.h>
    ]], [isblank])
m4trace:configure.ac:42: -1- gl_DIRNAME
m4trace:configure.ac:42: -1- gl_DIRNAME_LGPL
m4trace:configure.ac:42: -1- gl_DOUBLE_SLASH_ROOT
m4trace:configure.ac:42: -1- m4_pattern_allow([^DOUBLE_SLASH_IS_DISTINCT_ROOT$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([dirname])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_DIRNAME$])
m4trace:configure.ac:42: -1- gl_DIRNAME_LGPL
m4trace:configure.ac:42: -1- gl_DOUBLE_SLASH_ROOT
m4trace:configure.ac:42: -1- m4_pattern_allow([^DOUBLE_SLASH_IS_DISTINCT_ROOT$])
m4trace:configure.ac:42: -1- gl_FUNC_DUP2
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DUP2$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SETDTABLESIZE$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([dup2.c])
m4trace:configure.ac:42: -1- gl_PREREQ_DUP2
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([dup2])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([dup2])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[dup2]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([dup2])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_DUP2$])
m4trace:configure.ac:42: -1- gl_ENVIRON
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_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gt_CHECK_VAR_DECL([#if HAVE_UNISTD_H
     #include <unistd.h>
     #endif
     /* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>.  */
     #include <stdlib.h>
    ], [environ])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ENVIRON_DECL$])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([environ])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([environ])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[environ]],
                          [abcdefghijklmnopqrstuvwxyz./-],
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m4trace:configure.ac:42: -1- gl_HEADER_ERRNO_H
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m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([errno.h])
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m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_ERRNO_H_FALSE])
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m4trace:configure.ac:42: -1- AC_COMPUTE_INT([gl_cv_header_errno_h_EMULTIHOP], [EMULTIHOP], [
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
/* The following two lines are a workaround against an autoconf-2.52 bug.  */
#include <stdio.h>
#include <stdlib.h>
])
m4trace:configure.ac:42: -1- m4_pattern_allow([^EMULTIHOP_HIDDEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^EMULTIHOP_VALUE$])
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#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
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#include <stdio.h>
#include <stdlib.h>
])
m4trace:configure.ac:42: -1- m4_pattern_allow([^ENOLINK_HIDDEN$])
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m4trace:configure.ac:42: -1- AC_COMPUTE_INT([gl_cv_header_errno_h_EOVERFLOW], [EOVERFLOW], [
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
/* The following two lines are a workaround against an autoconf-2.52 bug.  */
#include <stdio.h>
#include <stdlib.h>
])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^EOVERFLOW_VALUE$])
m4trace:configure.ac:42: -1- gl_ERROR
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m4trace:configure.ac:42: -1- gl_PREREQ_ERROR
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRERROR_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^STRERROR_R_CHAR_P$])
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION([--flag=error:3:c-format])
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION_INIT
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m4trace:configure.ac:42: -1- gl_EXTERN_INLINE
m4trace:configure.ac:42: -1- gl_FUNC_FCNTL
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FCNTL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_NONBLOCKING$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_OPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_OPENAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FCNTL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_OPENAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FCNTL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_OPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_OPENAT$])
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m4trace:configure.ac:42: -1- gl_REPLACE_FCNTL
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m4trace:configure.ac:42: -1- gl_REPLACE_FCNTL
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m4trace:configure.ac:42: -1- m4_pattern_allow([^FCNTL_DUPFD_BUGGY$])
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m4trace:configure.ac:42: -1- gl_LIBSOURCES([fcntl.c])
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m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[fcntl]],
                          [abcdefghijklmnopqrstuvwxyz./-],
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m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([fcntl])
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m4trace:configure.ac:42: -1- gl_FCNTL_H
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WORKING_O_NOFOLLOW$])
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m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([fcntl.h])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_FCNTL_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^pid_t$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^mode_t$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
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m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([filenamecat])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^FLEXIBLE_ARRAY_MEMBER$])
m4trace:configure.ac:42: -1- gl_FLOAT_H
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m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([float.h])
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m4trace:configure.ac:42: -1- gl_LIBSOURCES([itold.c])
m4trace:configure.ac:42: -1- gl_FUNC_FNMATCH_POSIX
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m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_FNMATCH_H_TRUE])
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m4trace:configure.ac:42: -1- gl_PREREQ_FNMATCH
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m4trace:configure.ac:42: -1- AC_TYPE_MBSTATE_T
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MBSTATE_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^mbstate_t$])
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m4trace:configure.ac:42: -1- gl_FUNC_FNMATCH_GNU
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m4trace:configure.ac:42: -1- gl_FUNC_FREOPEN
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FSEEK$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FTELLO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FWRITE$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETCHAR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETDELIM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETLINE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_OBSTACK_PRINTF$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PERROR$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PUTCHAR$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_REMOVE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RENAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RENAMEAT$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SNPRINTF$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FTELLO$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETLINE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_OBSTACK_PRINTF$])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_VSNPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FSEEKO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FTELLO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_PCLOSE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_POPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RENAMEAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_VASPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_VDPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_DPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FCLOSE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FDOPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FFLUSH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FOPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FPURGE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FREOPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FSEEK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FSEEKO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FTELL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FTELLO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_GETDELIM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_GETLINE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_OBSTACK_PRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PERROR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_POPEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_REMOVE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_RENAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_RENAMEAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SNPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STDIO_READ_FUNCS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STDIO_WRITE_FUNCS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_TMPFILE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VASPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VDPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VFPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VSNPRINTF$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VSPRINTF$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([freopen.c])
m4trace:configure.ac:42: -1- gl_PREREQ_FREOPEN
m4trace:configure.ac:42: -1- gl_STDIO_MODULE_INDICATOR([freopen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([freopen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[freopen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([freopen])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_FREOPEN$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([freopen-safer])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FREOPEN_SAFER$])
m4trace:configure.ac:42: -1- gl_FUNC_FSTAT
m4trace:configure.ac:42: -1- gl_SYS_STAT_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FCHMODAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FSTAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FSTATAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FUTIMENS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_LCHMOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_LSTAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKDIRAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKFIFO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKFIFOAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKNOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKNODAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_UTIMENSAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_OVERRIDES_STRUCT_STAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FCHMODAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FSTATAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FUTIMENS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LCHMOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LSTAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKDIRAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKFIFO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKFIFOAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKNOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKNODAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_UTIMENSAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FSTAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FSTATAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FUTIMENS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_LSTAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MKDIR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MKFIFO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MKNOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_UTIMENSAT$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([fstat.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([stat-w32.c])
m4trace:configure.ac:42: -1- gl_PREREQ_FSTAT
m4trace:configure.ac:42: -1- gl_HEADER_SYS_STAT_H
m4trace:configure.ac:42: -1- m4_pattern_allow([^STAT_MACROS_BROKEN$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/stat.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/stat.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_stat_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/stat.h"])])
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m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/stat.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_STAT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_STAT_TIMESPEC$])
m4trace:configure.ac:42: -1- gl_LARGEFILE
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_64_BIT_ST_SIZE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^nlink_t$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
    mknod mknodat stat utimensat])
m4trace:configure.ac:42: -1- gl_SYS_STAT_MODULE_INDICATOR([fstat])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([fstat])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[fstat]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([fstat])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_FSTAT$])
m4trace:configure.ac:42: -1- gl_FUNC_GETDTABLESIZE
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_getdtablesize], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" getdtablesize"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_getdtablesize], [_AC_CHECK_DECLS([getdtablesize])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETDTABLESIZE$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([getdtablesize.c])
m4trace:configure.ac:42: -1- gl_PREREQ_GETDTABLESIZE
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([getdtablesize])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([getdtablesize])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[getdtablesize]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([getdtablesize])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_GETDTABLESIZE$])
m4trace:configure.ac:42: -1- gl_FUNC_GETOPT_GNU
m4trace:configure.ac:42: -1- gl_FUNC_GETOPT_POSIX
m4trace:configure.ac:42: -1- gl_GETOPT_CHECK_HEADERS
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([getopt.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([getopt.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_getopt_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" getopt.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([getopt.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_GETOPT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_GETOPT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETOPT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETOPT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETOPT_LONG_ONLY$])
m4trace:configure.ac:42: -1- _m4_warn([cross], [AC_RUN_IFELSE called without default to allow cross compiling], [../../lib/autoconf/general.m4:2748: AC_RUN_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from...
../../lib/autoconf/general.m4:2031: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2052: AC_CACHE_CHECK is expanded from...
m4/getopt.m4:48: gl_GETOPT_CHECK_HEADERS is expanded from...
m4/getopt.m4:8: gl_FUNC_GETOPT_POSIX is expanded from...
m4/gnulib-comp.m4:445: gl_INIT is expanded from...
configure.ac:42: the top level])
m4trace:configure.ac:42: -1- _m4_warn([cross], [AC_RUN_IFELSE called without default to allow cross compiling], [../../lib/autoconf/general.m4:2748: AC_RUN_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from...
../../lib/autoconf/general.m4:2031: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2052: AC_CACHE_CHECK is expanded from...
m4/getopt.m4:48: gl_GETOPT_CHECK_HEADERS is expanded from...
m4/getopt.m4:8: gl_FUNC_GETOPT_POSIX is expanded from...
m4/gnulib-comp.m4:445: gl_INIT is expanded from...
configure.ac:42: the top level])
m4trace:configure.ac:42: -1- _m4_warn([cross], [AC_RUN_IFELSE called without default to allow cross compiling], [../../lib/autoconf/general.m4:2748: AC_RUN_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from...
../../lib/autoconf/general.m4:2031: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2052: AC_CACHE_CHECK is expanded from...
m4/getopt.m4:48: gl_GETOPT_CHECK_HEADERS is expanded from...
m4/getopt.m4:8: gl_FUNC_GETOPT_POSIX is expanded from...
m4/gnulib-comp.m4:445: gl_INIT is expanded from...
configure.ac:42: the top level])
m4trace:configure.ac:42: -1- GL_NOCRASH
m4trace:configure.ac:42: -1- gl_GETOPT_SUBSTITUTE_HEADER
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_cdefs_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/cdefs.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_CDEFS_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^__GETOPT_PREFIX$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GETOPT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GETOPT_CDEFS_H$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([getopt.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([getopt1.c])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GL_UNISTD_H_GETOPT$])
m4trace:configure.ac:42: -1- gl_FUNC_GETPROGNAME
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_getprogname], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" getprogname"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_getexecname], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" getexecname"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_PROGRAM_INVOCATION_NAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL___ARGV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_VAR___PROGNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBINTL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LTLIBINTL$])
m4trace:configure.ac:42: -1- gl_GETTIME
m4trace:configure.ac:42: -1- gl_TIMESPEC
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_gettimeofday], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" gettimeofday"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_nanotime], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" nanotime"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_GETTIMEOFDAY
m4trace:configure.ac:42: -1- gl_HEADER_SYS_TIME_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETTIMEOFDAY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETTIMEOFDAY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_TIMEVAL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_TIME_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_GETTIMEOFDAY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRUCT_TIMEVAL$])
m4trace:configure.ac:42: -1- AC_C_RESTRICT
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m4trace:configure.ac:42: -1- m4_pattern_allow([^restrict$])
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m4trace:configure.ac:42: -1- gl_HEADER_SYS_TIME_H_BODY
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m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H$])
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
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m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
#if HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <time.h>
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m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_gettimeofday], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" gettimeofday"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_GETTIMEOFDAY_CLOBBER
m4trace:configure.ac:42: -1- gl_LOCALTIME_BUFFER_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GETTIMEOFDAY_CLOBBERS_LOCALTIME$])
m4trace:configure.ac:42: -1- gl_LOCALTIME_BUFFER_NEEDED
m4trace:configure.ac:42: -1- gl_HEADER_TIME_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_CTIME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKTIME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_LOCALTIME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_NANOSLEEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRFTIME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRPTIME$])
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          eval additional_includedir=\"$includedir\"
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m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([isblank])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[isblank]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_FUNC_ISWBLANK
m4trace:configure.ac:42: -1- gl_WCTYPE_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_ISWBLANK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_WCTYPE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_ISWCTYPE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_WCTRANS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TOWCTRANS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ISWBLANK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCTYPE_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCTRANS_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_ISWBLANK$])
m4trace:configure.ac:42: -1- gl_WCTYPE_H
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_iswcntrl], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" iswcntrl"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ISWCNTRL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINT_T$])
m4trace:configure.ac:42: -1- gl_TYPE_WINT_T_PREREQ
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_crtdefs_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" crtdefs.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_CRTDEFS_H$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([wctype.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([wctype.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_wctype_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" wctype.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([wctype.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_WCTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_ISWCNTRL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TOWLOWER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_TOWLOWER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_TOWLOWER$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
# include <wchar.h>
#endif
#include <wctype.h>
    ]], [wctype iswctype wctrans towctrans
    ])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_iswblank], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" iswblank"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_ISWBLANK$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([iswblank.c])
m4trace:configure.ac:42: -1- gl_WCTYPE_MODULE_INDICATOR([iswblank])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([iswblank])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[iswblank]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([iswblank])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_ISWBLANK$])
m4trace:configure.ac:42: -1- gl_LANGINFO_H
m4trace:configure.ac:42: -1- gl_LANGINFO_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_NL_LANGINFO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_NL_LANGINFO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_NL_LANGINFO$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([langinfo.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([langinfo.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_langinfo_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" langinfo.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([langinfo.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_LANGINFO_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_langinfo_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" langinfo.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LANGINFO_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LANGINFO_CODESET$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LANGINFO_T_FMT_AMPM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LANGINFO_ERA$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LANGINFO_YESEXPR$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <langinfo.h>
    ]], [nl_langinfo])
m4trace:configure.ac:42: -1- gl_LIBSIGSEGV
m4trace:configure.ac:42: -1- AC_LIB_HAVE_LINKFLAGS([sigsegv], [], [#include <sigsegv.h>], [sigsegv_deinstall_handler();], [no, consider installing GNU libsigsegv])
m4trace:configure.ac:42: -1- AC_LIB_LINKFLAGS_BODY([sigsegv], [])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([
    eval additional_includedir=\"$includedir\"
    eval additional_libdir=\"$libdir\"
  ])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([
          eval additional_includedir=\"$includedir\"
          eval additional_libdir=\"$libdir\"
        ])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCSIGSEGV])
m4trace:configure.ac:42: -1- AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LIBSIGSEGV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LIBSIGSEGV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBSIGSEGV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LTLIBSIGSEGV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBSIGSEGV_PREFIX$])
m4trace:configure.ac:42: -1- gl_LIMITS_H
m4trace:configure.ac:42: -1- gl_LOCALCHARSET
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_getc_unlocked], [_AC_CHECK_DECLS([getc_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETC_UNLOCKED$])
m4trace:configure.ac:42: -1- gl_GLIBC21
m4trace:configure.ac:42: -1- m4_pattern_allow([^GLIBC21$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALCHARSET_TESTS_ENVIRONMENT$])
m4trace:configure.ac:42: -1- gl_LOCALE_H
m4trace:configure.ac:42: -1- gl_LOCALE_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_LOCALECONV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SETLOCALE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_DUPLOCALE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DUPLOCALE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_LOCALECONV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SETLOCALE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_DUPLOCALE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRUCT_LCONV$])
m4trace:configure.ac:42: -1- gl_STDDEF_H
m4trace:configure.ac:42: -1- gl_STDDEF_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_NULL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MAX_ALIGN_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCHAR_T$])
m4trace:configure.ac:42: -1- gt_TYPE_WCHAR_T
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCHAR_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^STDDEF_H$])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDDEF_H_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDDEF_H_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDDEF_H_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDDEF_H_FALSE])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([stddef.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([stddef.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([stddef.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STDDEF_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STDDEF_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^_LCONV_C99$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_xlocale_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" xlocale.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_XLOCALE_H$])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([locale.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([locale.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([locale.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_LOCALE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_LOCALE_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <locale.h>
/* Some systems provide declarations in a non-standard header.  */
#if HAVE_XLOCALE_H
# include <xlocale.h>
#endif
    ]], [setlocale duplocale])
m4trace:configure.ac:42: -1- gl_FUNC_LOCALECONV
m4trace:configure.ac:42: -1- gl_LIBSOURCES([localeconv.c])
m4trace:configure.ac:42: -1- gl_PREREQ_LOCALECONV
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_LCONV_DECIMAL_POINT$])
m4trace:configure.ac:42: -1- gl_LOCALE_MODULE_INDICATOR([localeconv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([localeconv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[localeconv]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([localeconv])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_LOCALECONV$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([localtime-buffer.c])
m4trace:configure.ac:42: -1- gl_FUNC_LSTAT
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_lstat], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" lstat"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
m4trace:configure.ac:42: -1- m4_pattern_allow([^LSTAT_FOLLOWS_SLASHED_SYMLINK$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([lstat.c])
m4trace:configure.ac:42: -1- gl_PREREQ_LSTAT
m4trace:configure.ac:42: -1- gl_SYS_STAT_MODULE_INDICATOR([lstat])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([lstat])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[lstat]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([lstat])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_LSTAT$])
m4trace:configure.ac:42: -1- AC_PROG_SED
m4trace:configure.ac:42: -1- m4_pattern_allow([^SED$])
m4trace:configure.ac:42: -1- gl_FUNC_MALLOC_POSIX
m4trace:configure.ac:42: -1- gl_STDLIB_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB__EXIT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_ATOLL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_CALLOC_POSIX$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_CANONICALIZE_FILE_NAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETLOADAVG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETSUBOPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GRANTPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MALLOC_POSIX$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBTOWC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKDTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKOSTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKOSTEMPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKSTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MKSTEMPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_POSIX_OPENPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PTSNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PTSNAME_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PUTENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_QSORT_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RANDOM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RANDOM_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_REALLOC_POSIX$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_REALPATH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RPMATCH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SECURE_GETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRTOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRTOLL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRTOULL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SYSTEM_POSIX$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_UNLOCKPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_UNSETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_WCTOMB$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE__EXIT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ATOLL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_CANONICALIZE_FILE_NAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETLOADAVG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETSUBOPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GRANTPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKDTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKOSTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKOSTEMPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKSTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MKSTEMPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_POSIX_OPENPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_PTSNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_PTSNAME_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_QSORT_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RANDOM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RANDOM_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RANDOM_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_REALPATH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RPMATCH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SECURE_GETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_SETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRTOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRTOLL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRTOULL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_RANDOM_DATA$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_LOADAVG_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_UNLOCKPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_UNSETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_CALLOC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_CANONICALIZE_FILE_NAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MALLOC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MBTOWC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MKSTEMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PTSNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PTSNAME_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PUTENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_QSORT_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_RANDOM_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_REALLOC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_REALPATH$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRTOD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_UNSETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_WCTOMB$])
m4trace:configure.ac:42: -1- gl_CHECK_MALLOC_POSIX
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MALLOC_POSIX$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([malloc.c])
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([malloc-posix])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([malloc-posix])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[malloc-posix]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([malloc-posix])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MALLOC_POSIX$])
m4trace:configure.ac:42: -1- gl_MALLOCA
m4trace:configure.ac:42: -1- gl_EEMALLOC
m4trace:configure.ac:42: -1- _AC_FUNC_MALLOC_IF([gl_cv_func_malloc_0_nonnull=1], [gl_cv_func_malloc_0_nonnull=0])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STDLIB_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^MALLOC_0_IS_NONNULL$])
m4trace:configure.ac:42: -1- gl_MBCHAR
m4trace:configure.ac:42: -1- gl_MBITER
m4trace:configure.ac:42: -1- gl_FUNC_MBRTOWC
m4trace:configure.ac:42: -1- gl_MBSTATE_T_BROKEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbsinit], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbsinit"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbrtowc], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbrtowc"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_MBRTOWC_INCOMPLETE_STATE
m4trace:configure.ac:42: -1- gt_LOCALE_JA
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_JA$])
m4trace:configure.ac:42: -1- gl_MBRTOWC_SANITYCHECK
m4trace:configure.ac:42: -1- gt_LOCALE_ZH_CN
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_ZH_CN$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbrtowc], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbrtowc"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_MBRTOWC$])
m4trace:configure.ac:42: -1- gl_MBRTOWC_NULL_ARG1
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gl_MBRTOWC_NULL_ARG2
m4trace:configure.ac:42: -1- gl_MBRTOWC_RETVAL
m4trace:configure.ac:42: -1- gl_MBRTOWC_NUL_RETVAL
m4trace:configure.ac:42: -1- gl_MBRTOWC_EMPTY_INPUT
m4trace:configure.ac:42: -1- gl_MBRTOWC_C_LOCALE
m4trace:configure.ac:42: -1- m4_pattern_allow([^MBRTOWC_NULL_ARG1_BUG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^MBRTOWC_NULL_ARG2_BUG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^MBRTOWC_RETVAL_BUG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^MBRTOWC_NUL_RETVAL_BUG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^MBRTOWC_EMPTY_INPUT_BUG$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^C_LOCALE_MAYBE_EILSEQ$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mbrtowc.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MBRTOWC
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([mbrtowc])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbrtowc])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbrtowc]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbrtowc])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBRTOWC$])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([mbscasecmp])
m4trace:configure.ac:42: -1- gl_HEADER_STRING_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FFSL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FFSLL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MEMCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MEMMEM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MEMPCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MEMRCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RAWMEMCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STPCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STPNCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRCHRNUL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRDUP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRNCAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRNDUP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRNLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRPBRK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRSEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRSTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRCASESTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRTOK_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSNLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSRCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSSTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSCASECMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSNCASECMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSPCASECMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSCASESTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSCSPN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSPBRK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSSPN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSSEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MBSTOK_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRERROR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRERROR_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRSIGNAL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRVERSCMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MBSLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FFSL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FFSLL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MEMCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_MEMMEM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MEMPCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_MEMRCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RAWMEMCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STPCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STPNCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRCHRNUL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRDUP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRNDUP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRNLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRPBRK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRSEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRCASESTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRTOK_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRERROR_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRSIGNAL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRVERSCMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MEMCHR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_MEMMEM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STPNCPY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRDUP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRSTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRCASESTR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRCHRNUL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRERROR$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRERROR_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRNCAT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRNDUP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRNLEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRSIGNAL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRTOK_R$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^UNDEFINE_STRTOK_R$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbscasecmp])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbscasecmp]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbscasecmp])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBSCASECMP$])
m4trace:configure.ac:42: -1- gl_FUNC_MBSINIT
m4trace:configure.ac:42: -1- gl_MBSTATE_T_BROKEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbsinit], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbsinit"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbrtowc], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbrtowc"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_MBRTOWC_INCOMPLETE_STATE
m4trace:configure.ac:42: -1- gl_MBRTOWC_SANITYCHECK
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbsinit], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbsinit"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_MBSINIT$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mbsinit.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MBSINIT
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([mbsinit])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbsinit])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbsinit]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbsinit])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBSINIT$])
m4trace:configure.ac:42: -1- gl_FUNC_MBSLEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbslen], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbslen"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([mbslen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbslen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbslen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbslen])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBSLEN$])
m4trace:configure.ac:42: -1- gl_FUNC_MBSRTOWCS
m4trace:configure.ac:42: -1- gl_MBSTATE_T_BROKEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbsinit], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbsinit"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbrtowc], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbrtowc"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_MBRTOWC_INCOMPLETE_STATE
m4trace:configure.ac:42: -1- gl_MBRTOWC_SANITYCHECK
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbsrtowcs], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbsrtowcs"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_MBSRTOWCS$])
m4trace:configure.ac:42: -1- gl_MBSRTOWCS_WORKS
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mbsrtowcs.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mbsrtowcs-state.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MBSRTOWCS
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([mbsrtowcs])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbsrtowcs])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbsrtowcs]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbsrtowcs])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBSRTOWCS$])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([mbsstr])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbsstr])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbsstr]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbsstr])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBSSTR$])
m4trace:configure.ac:42: -1- gl_FUNC_MBTOWC
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mbtowc.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MBTOWC
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([mbtowc])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mbtowc])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mbtowc]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mbtowc])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MBTOWC$])
m4trace:configure.ac:42: -1- gl_MBITER
m4trace:configure.ac:42: -1- gl_FUNC_MEMCHR
m4trace:configure.ac:42: -1- gl_FUNC_MMAP_ANON
m4trace:configure.ac:42: -1- m4_pattern_allow([^MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_mman_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/mman.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mprotect], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mprotect"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([memchr.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MEMCHR
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_BP_SYM_H$])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([memchr])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([memchr])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[memchr]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([memchr])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MEMCHR$])
m4trace:configure.ac:42: -1- gl_MINMAX
m4trace:configure.ac:42: -1- gl_PREREQ_MINMAX
m4trace:configure.ac:42: -1- gl_MINMAX_IN_HEADER([limits.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MINMAX_IN_LIMITS_H$])
m4trace:configure.ac:42: -1- gl_MINMAX_IN_HEADER([sys/param.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MINMAX_IN_SYS_PARAM_H$])
m4trace:configure.ac:42: -1- gl_FUNC_MKSTEMP
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mkstemp], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mkstemp"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mkstemp.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MKSTEMP
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([mkstemp])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mkstemp])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mkstemp]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mkstemp])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MKSTEMP$])
m4trace:configure.ac:42: -1- gl_FUNC_MKTIME
m4trace:configure.ac:42: -1- gl_FUNC_MKTIME_WORKS
m4trace:configure.ac:42: -1- gl_TIME_T_IS_SIGNED
m4trace:configure.ac:42: -1- m4_pattern_allow([^TIME_T_IS_SIGNED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_unistd_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" unistd.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_alarm], [_AC_CHECK_DECLS([alarm])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_ALARM$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_tzset], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" tzset"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEED_MKTIME_WORKING$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEED_MKTIME_WINDOWS$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mktime.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MKTIME
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([mktime])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([mktime])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[mktime]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([mktime])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_MKTIME$])
m4trace:configure.ac:42: -1- gl_FUNC_MKTIME_INTERNAL
m4trace:configure.ac:42: -1- m4_pattern_allow([^mktime_internal$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEED_MKTIME_INTERNAL$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([mktime.c])
m4trace:configure.ac:42: -1- gl_PREREQ_MKTIME
m4trace:configure.ac:42: -1- gl_LIBSOURCES([msvc-inval.c])
m4trace:configure.ac:42: -1- gl_MSVC_NOTHROW
m4trace:configure.ac:42: -1- gl_LIBSOURCES([msvc-nothrow.c])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([msvc-nothrow])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_MSVC_NOTHROW$])
m4trace:configure.ac:42: -1- gl_MULTIARCH
m4trace:configure.ac:42: -1- gl_FUNC_NL_LANGINFO
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_nl_langinfo], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" nl_langinfo"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^FUNC_NL_LANGINFO_YESEXPR_WORKS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_NL_LANGINFO$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([nl_langinfo.c])
m4trace:configure.ac:42: -1- gl_LANGINFO_MODULE_INDICATOR([nl_langinfo])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([nl_langinfo])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[nl_langinfo]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([nl_langinfo])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_NL_LANGINFO$])
m4trace:configure.ac:42: -1- gl_FUNC_OPEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_lstat], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" lstat"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^OPEN_TRAILING_SLASH_BUG$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([open.c])
m4trace:configure.ac:42: -1- gl_PREREQ_OPEN
m4trace:configure.ac:42: -1- gl_PROMOTED_TYPE_MODE_T
m4trace:configure.ac:42: -1- m4_pattern_allow([^PROMOTED_MODE_T$])
m4trace:configure.ac:42: -1- gl_FCNTL_MODULE_INDICATOR([open])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([open])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[open]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([open])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_OPEN$])
m4trace:configure.ac:42: -1- gl_PATHMAX
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_param_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/param.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_PROGRAM_INVOCATION_NAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME$])
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION([--keyword='proper_name:1,\"This is a proper name. See the gettext manual, section Names.\"'])
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION([--keyword='proper_name_utf8:1,\"This is a proper name. See the gettext manual, section Names.\"'])
m4trace:configure.ac:42: -1- gl_QUOTE
m4trace:configure.ac:42: -1- gl_QUOTEARG
m4trace:configure.ac:42: -1- gl_FUNC_RAISE
m4trace:configure.ac:42: -1- gl_SIGNAL_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PTHREAD_SIGMASK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RAISE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SIGNAL_H_SIGPIPE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SIGPROCMASK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SIGACTION$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_POSIX_SIGNALBLOCKING$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_PTHREAD_SIGMASK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RAISE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SIGSET_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SIGINFO_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SIGACTION$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_SIGACTION_SA_SIGACTION$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TYPE_VOLATILE_SIG_ATOMIC_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SIGHANDLER_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PTHREAD_SIGMASK$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_RAISE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RAISE$])
m4trace:configure.ac:42: -1- gl_SIGNALBLOCKING
m4trace:configure.ac:42: -1- gl_CHECK_TYPE_SIGSET_T
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SIGSET_T$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([raise.c])
m4trace:configure.ac:42: -1- gl_PREREQ_RAISE
m4trace:configure.ac:42: -1- gl_SIGNAL_MODULE_INDICATOR([raise])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([raise])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[raise]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([raise])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_RAISE$])
m4trace:configure.ac:42: -1- gl_FUNC_RAWMEMCHR
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RAWMEMCHR$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([rawmemchr.c])
m4trace:configure.ac:42: -1- gl_PREREQ_RAWMEMCHR
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([rawmemchr])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([rawmemchr])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[rawmemchr]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([rawmemchr])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_RAWMEMCHR$])
m4trace:configure.ac:42: -1- gl_FUNC_READLINK
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_readlink], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" readlink"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^READLINK_TRAILING_SLASH_BUG$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([readlink.c])
m4trace:configure.ac:42: -1- gl_PREREQ_READLINK
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([readlink])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([readlink])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[readlink]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([readlink])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_READLINK$])
m4trace:configure.ac:42: -1- gl_REGEX
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_alarm], [_AC_CHECK_DECLS([alarm])])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_malloc_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" malloc.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^_REGEX_INCLUDE_LIMITS_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^_REGEX_LARGE_OFFSETS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_syntax_options$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_set_syntax$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_compile_pattern$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_compile_fastmap$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_search$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_search_2$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_match$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_match_2$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_set_registers$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_comp$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^re_exec$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^regcomp$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^regexec$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^regerror$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^regfree$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([regex.c])
m4trace:configure.ac:42: -1- gl_PREREQ_REGEX
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_LIBINTL_H$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_isblank], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" isblank"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_iswctype], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" iswctype"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_ISBLANK$])
m4trace:configure.ac:42: -1- gl_FUNC_SECURE_GETENV
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_secure_getenv], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" secure_getenv"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([secure_getenv.c])
m4trace:configure.ac:42: -1- gl_PREREQ_SECURE_GETENV
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE___SECURE_GETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ISSETUGID$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_getuid], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" getuid"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_geteuid], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" geteuid"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_getgid], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" getgid"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_getegid], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" getegid"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([secure_getenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([secure_getenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[secure_getenv]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([secure_getenv])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SECURE_GETENV$])
m4trace:configure.ac:42: -1- gl_FUNC_SETENV
m4trace:configure.ac:42: -1- gl_FUNC_SETENV_SEPARATE
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_setenv], [_AC_CHECK_DECLS([setenv])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_SETENV$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_setenv], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" setenv"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_PREREQ_SETENV
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_unistd_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" unistd.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SEARCH_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TSEARCH$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([setenv.c])
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([setenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([setenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[setenv]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([setenv])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SETENV$])
m4trace:configure.ac:42: -1- gl_SIGACTION
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_sigaction], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" sigaction"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_SIGACTION_SA_SIGACTION$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([sigaction.c])
m4trace:configure.ac:42: -1- gl_PREREQ_SIGACTION
m4trace:configure.ac:42: -1- m4_pattern_allow([^uid_t$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^gid_t$])
m4trace:configure.ac:42: -1- gl_PREREQ_SIG_HANDLER_H
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_sigaltstack], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" sigaltstack"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_siginterrupt], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" siginterrupt"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SIGINFO_T$])
m4trace:configure.ac:42: -1- gl_SIGNAL_MODULE_INDICATOR([sigaction])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([sigaction])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[sigaction]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([sigaction])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SIGACTION$])
m4trace:configure.ac:42: -1- gl_SIGNAL_H
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([signal.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([signal.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([signal.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SIGNAL_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <signal.h>
    ]], [pthread_sigmask sigaction
    sigaddset sigdelset sigemptyset sigfillset sigismember
    sigpending sigprocmask])
m4trace:configure.ac:42: -1- gl_SIGNALBLOCKING
m4trace:configure.ac:42: -1- gl_LIBSOURCES([sigprocmask.c])
m4trace:configure.ac:42: -1- gl_PREREQ_SIGPROCMASK
m4trace:configure.ac:42: -1- gl_SIGNAL_MODULE_INDICATOR([sigprocmask])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([sigprocmask])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[sigprocmask]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([sigprocmask])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SIGPROCMASK$])
m4trace:configure.ac:42: -1- gl_SIZE_MAX
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STDINT_H$])
m4trace:configure.ac:42: -1- AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1], [#include <stddef.h>
#include <limits.h>], [size_t_bits_minus_1=])
m4trace:configure.ac:42: -1- AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)], [#include <stddef.h>], [fits_in_uint=])
m4trace:configure.ac:42: -1- m4_pattern_allow([^SIZE_MAX$])
m4trace:configure.ac:42: -1- gt_TYPE_SSIZE_T
m4trace:configure.ac:42: -1- m4_pattern_allow([^ssize_t$])
m4trace:configure.ac:42: -1- gl_FUNC_STAT
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_lstat], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" lstat"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_FUNC_STAT_FILE$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([stat.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([stat-w32.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STAT
m4trace:configure.ac:42: -1- gl_SYS_STAT_MODULE_INDICATOR([stat])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([stat])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[stat]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([stat])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STAT$])
m4trace:configure.ac:42: -1- gl_STAT_TIME
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_time_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/time.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_ATIMENSEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC$])
m4trace:configure.ac:42: -1- gl_STAT_BIRTHTIME
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_time_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/time.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC$])
m4trace:configure.ac:42: -1- gl_STDARG_H
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([stdarg.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([stdarg.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([stdarg.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STDARG_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STDARG_H$])
m4trace:configure.ac:42: -1- gl_CACHE_VAL_SILENT([gl_cv_func___va_copy], [
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM(
             [[#include <stdarg.h>]],
             [[
#ifndef __va_copy
error, bail out
#endif
             ]])],
          [gl_cv_func___va_copy=yes],
          [gl_cv_func___va_copy=no])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^va_copy$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^va_copy$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^STDARG_H$])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([GL_GENERATE_STDARG_H], [test -n "$STDARG_H"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDARG_H_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDARG_H_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDARG_H_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDARG_H_FALSE])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STDARG_H$])
m4trace:configure.ac:42: -1- AM_STDBOOL_H
m4trace:configure.ac:42: -1- AC_CHECK_HEADER_STDBOOL
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE__BOOL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^STDBOOL_H$])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([GL_GENERATE_STDBOOL_H], [test -n "$STDBOOL_H"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDBOOL_H_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDBOOL_H_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDBOOL_H_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDBOOL_H_FALSE])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE__BOOL$])
m4trace:configure.ac:42: -1- gl_STDDEF_H
m4trace:configure.ac:42: -1- m4_pattern_allow([^STDDEF_H$])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDDEF_H_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDDEF_H_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDDEF_H_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDDEF_H_FALSE])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([stddef.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([stddef.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([stddef.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STDDEF_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STDDEF_H$])
m4trace:configure.ac:42: -1- gl_STDINT_H
m4trace:configure.ac:42: -1- gl_STDIO_H
m4trace:configure.ac:42: -1- m4_pattern_allow([^__USE_MINGW_ANSI_STDIO$])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([stdio.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([stdio.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([stdio.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STDIO_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STDIO_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([fscanf])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FSCANF$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([scanf])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SCANF$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
    ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen
    renameat snprintf tmpfile vdprintf vsnprintf])
m4trace:configure.ac:42: -1- gl_STDLIB_H
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([stdlib.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([stdlib.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([stdlib.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STDLIB_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STDLIB_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <stdlib.h>
#if HAVE_SYS_LOADAVG_H
# include <sys/loadavg.h>
#endif
#if HAVE_RANDOM_H
# include <random.h>
#endif
    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt
    initstate initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps
    posix_openpt ptsname ptsname_r qsort_r random random_r realpath rpmatch
    secure_getenv setenv setstate setstate_r srandom srandom_r
    strtod strtoll strtoull unlockpt unsetenv])
m4trace:configure.ac:42: -1- gl_STRCASE
m4trace:configure.ac:42: -1- gl_FUNC_STRCASECMP
m4trace:configure.ac:42: -1- gl_HEADER_STRINGS_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_FFS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FFS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRCASECMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRNCASECMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRCASECMP$])
m4trace:configure.ac:42: -1- gl_FUNC_STRNCASECMP
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRNCASECMP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRNCASECMP$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strcasecmp.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRCASECMP
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strncasecmp.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRNCASECMP
m4trace:configure.ac:42: -1- gl_FUNC_STRERROR
m4trace:configure.ac:42: -1- gl_FUNC_STRERROR_0
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_STRERROR_0$])
m4trace:configure.ac:42: -1- gl_FUNC_STRERROR_R_WORKS
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_strerror_r], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" strerror_r"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func___xpg_strerror_r], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" __xpg_strerror_r"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strerror.c])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([strerror])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRERROR$])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([strerror])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strerror])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strerror]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([strerror])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STRERROR$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strerror-override.c])
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- gl_FUNC_GNU_STRFTIME
m4trace:configure.ac:42: -1- m4_pattern_allow([^TM_IN_SYS_TIME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_TM_TM_ZONE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TM_ZONE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_TZNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TZNAME$])
m4trace:configure.ac:42: -1- gl_TM_GMTOFF
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TM_GMTOFF$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_tzset], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" tzset"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^my_strftime$])
m4trace:configure.ac:42: -1- gl_HEADER_STRING_H
m4trace:configure.ac:42: -1- gl_HEADER_STRING_H_BODY
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([string.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([string.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([string.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STRING_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STRING_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <string.h>
    ]], [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul
     strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r
     strerror_r strsignal strverscmp])
m4trace:configure.ac:42: -1- gl_HEADER_STRINGS_H
m4trace:configure.ac:42: -1- gl_HEADER_STRINGS_H_BODY
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([strings.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([strings.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_strings_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" strings.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([strings.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_STRINGS_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_STRINGS_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRINGS_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
    /* Minix 3.1.8 has a bug: <sys/types.h> must be included before
       <strings.h>.  */
    #include <sys/types.h>
    #include <strings.h>
    ]], [ffs strcasecmp strncasecmp])
m4trace:configure.ac:42: -1- gl_FUNC_STRNDUP
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_strndup], [_AC_CHECK_DECLS([strndup])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRNDUP$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_strndup], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" strndup"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strndup.c])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([strndup])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strndup])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strndup]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([strndup])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STRNDUP$])
m4trace:configure.ac:42: -1- gl_FUNC_STRNLEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_strnlen], [_AC_CHECK_DECLS([strnlen])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRNLEN$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strnlen.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRNLEN
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([strnlen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strnlen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strnlen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([strnlen])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STRNLEN$])
m4trace:configure.ac:42: -1- gl_FUNC_STRPTIME
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_strptime], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" strptime"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strptime.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRPTIME
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([strptime])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strptime])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strptime]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([strptime])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STRPTIME$])
m4trace:configure.ac:42: -1- gl_FUNC_STRTOULL
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRTOULL$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strtoull.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRTOULL
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([strtoull])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strtoull])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strtoull]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([strtoull])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STRTOULL$])
m4trace:configure.ac:42: -1- gl_FUNC_STRTOUMAX
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_strtoumax], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" strtoumax"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_strtoumax], [_AC_CHECK_DECLS([strtoumax])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRTOUMAX$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([strtoumax.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRTOUMAX
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRTOULL$])
m4trace:configure.ac:42: -1- gl_INTTYPES_MODULE_INDICATOR([strtoumax])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strtoumax])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strtoumax]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_HEADER_SYS_STAT_H
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/stat.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/stat.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_stat_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/stat.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/stat.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_STAT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_STAT_TIMESPEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_64_BIT_ST_SIZE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^nlink_t$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
    ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
    mknod mknodat stat utimensat])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- gl_HEADER_SYS_TIME_H
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- gl_SYS_TYPES_H
m4trace:configure.ac:42: -1- gl_SYS_TYPES_H_DEFAULTS
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([sys/types.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/types.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/types.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_TYPES_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H$])
m4trace:configure.ac:42: -1- gl_TYPE_OFF_T
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_64_BIT_OFF_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_STAT_INODES$])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- gl_SYS_WAIT_H
m4trace:configure.ac:42: -1- gl_SYS_WAIT_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_WAITPID$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/wait.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/wait.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_wait_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/wait.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/wait.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_WAIT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_WAIT_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <sys/wait.h>]], [waitpid])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- gl_FUNC_GEN_TEMPNAME
m4trace:configure.ac:42: -1- gl_PREREQ_TEMPNAME
m4trace:configure.ac:42: -1- gl_HEADER_TIME_H
m4trace:configure.ac:42: -1- gl_HEADER_TIME_H_BODY
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS([time.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([time.h], [assume])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([time.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_TIME_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_TIME_H$])
m4trace:configure.ac:42: -1- gl_CHECK_TYPE_STRUCT_TIMESPEC
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_time_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/time.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^TIME_H_DEFINES_STRUCT_TIMESPEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^SYS_TIME_H_DEFINES_STRUCT_TIMESPEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^PTHREAD_H_DEFINES_STRUCT_TIMESPEC$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^UNISTD_H_DEFINES_STRUCT_TIMESPEC$])
m4trace:configure.ac:42: -1- gl_TIME_R
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_LOCALTIME_R$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_localtime_r], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" localtime_r"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([time_r.c])
m4trace:configure.ac:42: -1- gl_PREREQ_TIME_R
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([time_r])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([time_r])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[time_r]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([time_r])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_TIME_R$])
m4trace:configure.ac:42: -1- gl_TIME_RZ
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TIMEZONE_T$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([time_rz.c])
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([time_rz])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([time_rz])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[time_rz]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([time_rz])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_TIME_RZ$])
m4trace:configure.ac:42: -1- gl_FUNC_TIMEGM
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_timegm], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" timegm"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([timegm.c])
m4trace:configure.ac:42: -1- gl_PREREQ_TIMEGM
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([timegm])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([timegm])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[timegm]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([timegm])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_TIMEGM$])
m4trace:configure.ac:42: -1- gl_TIMESPEC
m4trace:configure.ac:42: -1- gl_FUNC_TZSET
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_tzset], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" tzset"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_TZSET_CLOBBER
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_RUN_TZSET_TEST$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^TZSET_CLOBBERS_LOCALTIME$])
m4trace:configure.ac:42: -1- gl_LOCALTIME_BUFFER_NEEDED
m4trace:configure.ac:42: -1- gl_LIBSOURCES([tzset.c])
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([tzset])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([tzset])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[tzset]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([tzset])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_TZSET$])
m4trace:configure.ac:42: -1- gl_UNISTD_H
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([unistd.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([unistd.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_unistd_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" unistd.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([unistd.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_UNISTD_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_UNISTD_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_UNISTD_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
/* Some systems declare various items in the wrong headers.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <fcntl.h>
# include <stdio.h>
# include <stdlib.h>
# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
#  include <io.h>
# endif
#endif
    ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat
    fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups
    gethostname getlogin getlogin_r getpagesize
    getusershell setusershell endusershell
    group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite
    readlink readlinkat rmdir sethostname sleep symlink symlinkat
    truncate ttyname_r unlink unlinkat usleep])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_LIBHEADER([0.9.4], [unistr.h])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_LIB_PREPARE
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_VERSION_CMP([0.9.4])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_UNISTR_H$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([unistr/u8-mbtoucr])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_UNISTR_U8_MBTOUCR$])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-mbtoucr])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([LIBUNISTRING_COMPILE_UNISTR_U8_MBTOUCR], [gl_LIBUNISTRING_VERSION_CMP([0.9])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_COMPILE_UNISTR_U8_MBTOUCR_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_COMPILE_UNISTR_U8_MBTOUCR_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([LIBUNISTRING_COMPILE_UNISTR_U8_MBTOUCR_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([LIBUNISTRING_COMPILE_UNISTR_U8_MBTOUCR_FALSE])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_VERSION_CMP([0.9])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([unistr/u8-uctomb])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_UNISTR_U8_UCTOMB$])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-uctomb])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([LIBUNISTRING_COMPILE_UNISTR_U8_UCTOMB], [gl_LIBUNISTRING_VERSION_CMP([0.9])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_COMPILE_UNISTR_U8_UCTOMB_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_COMPILE_UNISTR_U8_UCTOMB_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([LIBUNISTRING_COMPILE_UNISTR_U8_UCTOMB_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([LIBUNISTRING_COMPILE_UNISTR_U8_UCTOMB_FALSE])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_VERSION_CMP([0.9])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_LIBHEADER([0.9.4], [unitypes.h])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_VERSION_CMP([0.9.4])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_UNITYPES_H$])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_LIBHEADER([0.9.4], [uniwidth.h])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_VERSION_CMP([0.9.4])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_UNIWIDTH_H$])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_MODULE([0.9.6], [uniwidth/width])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([LIBUNISTRING_COMPILE_UNIWIDTH_WIDTH], [gl_LIBUNISTRING_VERSION_CMP([0.9.6])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_COMPILE_UNIWIDTH_WIDTH_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBUNISTRING_COMPILE_UNIWIDTH_WIDTH_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([LIBUNISTRING_COMPILE_UNIWIDTH_WIDTH_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([LIBUNISTRING_COMPILE_UNIWIDTH_WIDTH_FALSE])
m4trace:configure.ac:42: -1- gl_LIBUNISTRING_VERSION_CMP([0.9.6])
m4trace:configure.ac:42: -1- gl_FUNC_GLIBC_UNLOCKED_IO
m4trace:configure.ac:42: -1- m4_pattern_allow([^USE_UNLOCKED_IO$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_clearerr_unlocked], [_AC_CHECK_DECLS([clearerr_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_CLEARERR_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_feof_unlocked], [_AC_CHECK_DECLS([feof_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FEOF_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_ferror_unlocked], [_AC_CHECK_DECLS([ferror_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FERROR_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_fflush_unlocked], [_AC_CHECK_DECLS([fflush_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FFLUSH_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_fgets_unlocked], [_AC_CHECK_DECLS([fgets_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FGETS_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_fputc_unlocked], [_AC_CHECK_DECLS([fputc_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FPUTC_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_fputs_unlocked], [_AC_CHECK_DECLS([fputs_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FPUTS_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_fread_unlocked], [_AC_CHECK_DECLS([fread_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FREAD_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_fwrite_unlocked], [_AC_CHECK_DECLS([fwrite_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_FWRITE_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_getc_unlocked], [_AC_CHECK_DECLS([getc_unlocked])])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_getchar_unlocked], [_AC_CHECK_DECLS([getchar_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_GETCHAR_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_putc_unlocked], [_AC_CHECK_DECLS([putc_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_PUTC_UNLOCKED$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_putchar_unlocked], [_AC_CHECK_DECLS([putchar_unlocked])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_PUTCHAR_UNLOCKED$])
m4trace:configure.ac:42: -1- gl_FUNC_UNSETENV
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_unsetenv], [_AC_CHECK_DECLS([unsetenv])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_UNSETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_UNSETENV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^VOID_UNSETENV$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([unsetenv.c])
m4trace:configure.ac:42: -1- gl_PREREQ_UNSETENV
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_unistd_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" unistd.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([unsetenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([unsetenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[unsetenv]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([unsetenv])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_UNSETENV$])
m4trace:configure.ac:42: -1- AC_C_VARARRAYS
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_C_VARARRAYS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^__STDC_NO_VLA__$])
m4trace:configure.ac:42: -1- gl_FUNC_VASNPRINTF
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_vasnprintf], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" vasnprintf"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_REPLACE_VASNPRINTF
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_vasnprintf], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" vasnprintf"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([vasnprintf.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([printf-args.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([printf-parse.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([asnprintf.c])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_VASNPRINTF$])
m4trace:configure.ac:42: -1- gl_PREREQ_PRINTF_ARGS
m4trace:configure.ac:42: -1- gl_PREREQ_PRINTF_PARSE
m4trace:configure.ac:42: -1- gl_FEATURES_H
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_features_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" features.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_FEATURES_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^ptrdiff_t$])
m4trace:configure.ac:42: -1- gt_AC_TYPE_INTMAX_T
m4trace:configure.ac:42: -1- gl_AC_HEADER_INTTYPES_H
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_INTTYPES_H_WITH_UINTMAX$])
m4trace:configure.ac:42: -1- gl_AC_HEADER_STDINT_H
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STDINT_H_WITH_UINTMAX$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_INTMAX_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^intmax_t$])
m4trace:configure.ac:42: -1- gl_PREREQ_VASNPRINTF
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL__SNPRINTF$])
m4trace:configure.ac:42: -1- gl_DOUBLE_EXPONENT_LOCATION
m4trace:configure.ac:42: -1- m4_pattern_allow([^AC_APPLE_UNIVERSAL_BUILD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^DBL_EXPBIT0_WORD$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^DBL_EXPBIT0_BIT$])
m4trace:configure.ac:42: -1- gl_SNPRINTF_RETVAL_C99
m4trace:configure.ac:42: -1- gl_SNPRINTF_PRESENCE
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_snprintf], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" snprintf"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SNPRINTF_RETVAL_C99$])
m4trace:configure.ac:42: -1- gl_PREREQ_ASNPRINTF
m4trace:configure.ac:42: -1- gl_FUNC_VASPRINTF
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_VASPRINTF$])
m4trace:configure.ac:42: -1- gl_REPLACE_VASPRINTF
m4trace:configure.ac:42: -1- gl_LIBSOURCES([vasprintf.c])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([asprintf.c])
m4trace:configure.ac:42: -1- gl_PREREQ_VASPRINTF_H
m4trace:configure.ac:42: -1- gl_PREREQ_VASPRINTF
m4trace:configure.ac:42: -1- gl_PREREQ_ASPRINTF
m4trace:configure.ac:42: -1- gl_STDIO_MODULE_INDICATOR([vasprintf])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([vasprintf])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[vasprintf]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([vasprintf])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_VASPRINTF$])
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION([--flag=asprintf:2:c-format])
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION([--flag=vasprintf:2:c-format])
m4trace:configure.ac:42: -1- gl_VERSION_ETC
m4trace:configure.ac:42: -1- m4_pattern_allow([^PACKAGE_PACKAGER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^PACKAGE_PACKAGER_VERSION$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^PACKAGE_PACKAGER_BUG_REPORTS$])
m4trace:configure.ac:42: -1- gl_WCHAR_H
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([wchar.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([wchar.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_wchar_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" wchar.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([wchar.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_WCHAR_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_WCHAR_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCHAR_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINT_T$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
#endif
#include <wchar.h>
    ]], [btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb
     wcsrtombs wcsnrtombs wcwidth wmemchr wmemcmp wmemcpy wmemmove wmemset
     wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat wcscmp
     wcsncmp wcscasecmp wcsncasecmp wcscoll wcsxfrm wcsdup wcschr wcsrchr
     wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth wcsftime
    ])
m4trace:configure.ac:42: -1- gl_FUNC_WCRTOMB
m4trace:configure.ac:42: -1- gl_MBSTATE_T_BROKEN
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbsinit], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbsinit"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mbrtowc], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mbrtowc"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_MBRTOWC_INCOMPLETE_STATE
m4trace:configure.ac:42: -1- gl_MBRTOWC_SANITYCHECK
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_wcrtomb], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" wcrtomb"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_WCRTOMB$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([wcrtomb.c])
m4trace:configure.ac:42: -1- gl_PREREQ_WCRTOMB
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([wcrtomb])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([wcrtomb])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[wcrtomb]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([wcrtomb])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_WCRTOMB$])
m4trace:configure.ac:42: -1- gl_WCTYPE_H
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_iswcntrl], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" iswcntrl"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ISWCNTRL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINT_T$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([wctype.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([wctype.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_wctype_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" wctype.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([wctype.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_WCTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WCTYPE_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_ISWCNTRL$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_TOWLOWER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_TOWLOWER$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_TOWLOWER$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
   <wchar.h>.
   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
   included before <wchar.h>.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
# include <wchar.h>
#endif
#include <wctype.h>
    ]], [wctype iswctype wctrans towctrans
    ])
m4trace:configure.ac:42: -1- gl_FUNC_WCWIDTH
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_wchar_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" wchar.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_wcwidth], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" wcwidth"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_WCWIDTH$])
m4trace:configure.ac:42: -1- gl_LIBSOURCES([wcwidth.c])
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([wcwidth])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([wcwidth])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[wcwidth]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([wcwidth])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_WCWIDTH$])
m4trace:configure.ac:42: -1- gl_XALLOC
m4trace:configure.ac:42: -1- gl_XSIZE
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STDINT_H$])
m4trace:configure.ac:42: -1- gl_XSTRNDUP
m4trace:configure.ac:42: -1- gl_PREREQ_XSTRNDUP
m4trace:configure.ac:42: -1- gl_XSTRTOL
m4trace:configure.ac:42: -1- gl_XVASPRINTF
m4trace:configure.ac:42: -1- AM_XGETTEXT_OPTION([--flag=xasprintf:1:c-format])
m4trace:configure.ac:42: -1- gl_COMMON
m4trace:configure.ac:42: -1- m4_pattern_allow([^gltests_WITNESS$])
m4trace:configure.ac:42: -1- gl_HEADER_SYS_SOCKET
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SOCKET$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_CONNECT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_ACCEPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_BIND$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETPEERNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETSOCKNAME$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_GETSOCKOPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_LISTEN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RECV$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SEND$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_RECVFROM$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SENDTO$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SETSOCKOPT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SHUTDOWN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_ACCEPT4$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_SOCKADDR_STORAGE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SA_FAMILY_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ACCEPT4$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^_POSIX_PII_SOCKET$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SHUTDOWN$])
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_SOCKET
m4trace:configure.ac:42: -1- gl_CHECK_SOCKET_HEADERS
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WS2TCPIP_H$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/socket.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/socket.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/socket.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_SOCKET_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_SOCKET_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WS2TCPIP_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_SOCKADDR_STORAGE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SA_FAMILY_T$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY$])
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
/* Some systems require prerequisite headers.  */
#include <sys/types.h>
#include <sys/socket.h>
    ]], [socket connect accept bind getpeername getsockname getsockopt
    listen recv send recvfrom sendto setsockopt shutdown accept4])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([accept.c])
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_MODULE_INDICATOR([accept])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([accept])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[accept]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[accept]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([accept])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_ACCEPT$])
m4trace:configure.ac:42: -1- gl_HEADER_ARPA_INET
m4trace:configure.ac:42: -1- gl_ARPA_INET_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_INET_NTOP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_INET_PTON$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_INET_NTOP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_INET_PTON$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_INET_NTOP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_INET_PTON$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_arpa_inet_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" arpa/inet.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_ARPA_INET_H$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([arpa/inet.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([arpa/inet.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_arpa_inet_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" arpa/inet.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([arpa/inet.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_ARPA_INET_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_ARPA_INET_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
/* On some systems, this header is not self-consistent.  */
#if !(defined __GLIBC__ || defined __UCLIBC__)
# include <sys/socket.h>
#endif
#ifdef __TANDEM
# include <netdb.h>
#endif
#include <arpa/inet.h>
    ]], [inet_ntop inet_pton])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([bind.c])
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_MODULE_INDICATOR([bind])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([bind])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[bind]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[bind]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([bind])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_BIND$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_TR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_TR_UTF8$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([connect.c])
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_MODULE_INDICATOR([connect])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([connect])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[connect]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[connect]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([connect])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_CONNECT$])
m4trace:configure.ac:42: -1- gl_FUNC_FDOPEN
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([fdopen.c])
m4trace:configure.ac:42: -1- gl_PREREQ_FDOPEN
m4trace:configure.ac:42: -1- gl_STDIO_MODULE_INDICATOR([fdopen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([fdopen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[fdopen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[fdopen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([fdopen])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_FDOPEN$])
m4trace:configure.ac:42: -1- gl_FUNC_FTRUNCATE
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_ftruncate], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" ftruncate"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([ftruncate.c])
m4trace:configure.ac:42: -1- gl_PREREQ_FTRUNCATE
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_CHSIZE$])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([ftruncate])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([ftruncate])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[ftruncate]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[ftruncate]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([ftruncate])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_FTRUNCATE$])
m4trace:configure.ac:42: -1- gl_FUNC_GETCWD_LGPL
m4trace:configure.ac:42: -1- gl_FUNC_GETCWD_NULL
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_unistd_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" unistd.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_GETCWD_SIGNATURE
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([getcwd-lgpl.c])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([getcwd])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([getcwd])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[getcwd]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[getcwd]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([getcwd])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_GETCWD$])
m4trace:configure.ac:42: -1- gl_FUNC_GETPAGESIZE
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_GETPAGESIZE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_OS_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_PARAM_H$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([getpagesize.c])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([getpagesize])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([getpagesize])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[getpagesize]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[getpagesize]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([getpagesize])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_GETPAGESIZE$])
m4trace:configure.ac:42: -1- gl_FUNC_INET_PTON
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_INET_PTON$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_INET_PTON$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_netdb_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" netdb.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_INET_PTON$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^INET_PTON_LIB$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([inet_pton.c])
m4trace:configure.ac:42: -1- gl_PREREQ_INET_PTON
m4trace:configure.ac:42: -1- gl_SOCKET_FAMILIES
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_netinet_in_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" netinet/in.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_IPV4$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_IPV6$])
m4trace:configure.ac:42: -1- gl_ARPA_INET_MODULE_INDICATOR([inet_pton])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([inet_pton])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[inet_pton]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[inet_pton]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^WORDS_BIGENDIAN$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^AC_APPLE_UNIVERSAL_BUILD$])
m4trace:configure.ac:42: -1- gl_FUNC_IOCTL
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_IOCTL$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([ioctl.c])
m4trace:configure.ac:42: -1- gl_SYS_IOCTL_MODULE_INDICATOR([ioctl])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([ioctl])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[ioctl]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[ioctl]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([ioctl])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_IOCTL$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([listen.c])
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_MODULE_INDICATOR([listen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([listen])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[listen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[listen]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([listen])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_LISTEN$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_newlocale], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" newlocale"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_JA
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_JA$])
m4trace:configure.ac:42: -1- gt_LOCALE_ZH_CN
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_ZH_CN$])
m4trace:configure.ac:42: -1- gt_LOCALE_TR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_TR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_JA
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_JA$])
m4trace:configure.ac:42: -1- gt_LOCALE_ZH_CN
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_ZH_CN$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_ZH_CN
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_ZH_CN$])
m4trace:configure.ac:42: -1- gl_FUNC_MMAP_ANON
m4trace:configure.ac:42: -1- m4_pattern_allow([^MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_mman_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/mman.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mprotect], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mprotect"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_NANOSLEEP
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_time_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/time.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_SELECT
m4trace:configure.ac:42: -1- gl_HEADER_SYS_SELECT
m4trace:configure.ac:42: -1- gl_SYS_SELECT_H_DEFAULTS
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_PSELECT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SELECT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_PSELECT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_PSELECT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^REPLACE_SELECT$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/select.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/select.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_select_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/select.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/select.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_SELECT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_SELECT_H$])
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[
/* Some systems require prerequisite headers.  */
#include <sys/types.h>
#if !(defined __GLIBC__ && !defined __UCLIBC__) && HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/select.h>
    ]], [pselect select])
m4trace:configure.ac:42: -1- gl_SOCKETS
m4trace:configure.ac:42: -1- gl_SOCKETLIB
m4trace:configure.ac:42: -1- gl_PREREQ_SYS_H_WINSOCK2
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_socket_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/socket.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_WINSOCK2_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^WINDOWS_SOCKETS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBSOCKET$])
m4trace:configure.ac:42: -1- gl_PREREQ_SOCKETS
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_select_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/select.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIB_SELECT$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIB_NANOSLEEP$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_BUG_BIG_NANOSLEEP$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([nanosleep.c])
m4trace:configure.ac:42: -1- gl_PREREQ_NANOSLEEP
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_select_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/select.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_PREREQ_SIG_HANDLER_H
m4trace:configure.ac:42: -1- gl_TIME_MODULE_INDICATOR([nanosleep])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([nanosleep])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[nanosleep]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[nanosleep]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([nanosleep])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_NANOSLEEP$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_alarm], [_AC_CHECK_DECLS([alarm])])
m4trace:configure.ac:42: -1- gl_HEADER_NETINET_IN
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_NETINET_IN_H$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([netinet/in.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([netinet/in.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_netinet_in_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" netinet/in.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([netinet/in.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_NETINET_IN_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_NETINET_IN_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_NETINET_IN_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NETINET_IN_H$])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_NETINET_IN_H_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_NETINET_IN_H_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_NETINET_IN_H_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_NETINET_IN_H_FALSE])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gl_FUNC_PERROR
m4trace:configure.ac:42: -1- gl_FUNC_STRERROR_R
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_strerror_r], [_AC_CHECK_DECLS([strerror_r])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_STRERROR_R$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([perror.c])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([perror])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([perror])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[perror]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[perror]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([perror])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_PERROR$])
m4trace:configure.ac:42: -1- gl_FUNC_PIPE
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_pipe], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" pipe"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([pipe.c])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([pipe])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([pipe])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[pipe]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[pipe]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([pipe])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_PIPE$])
m4trace:configure.ac:42: -1- gl_FUNC_PUTENV
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([putenv.c])
m4trace:configure.ac:42: -1- gl_PREREQ_PUTENV
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL__PUTENV$])
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([putenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([putenv])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[putenv]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[putenv]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([putenv])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_PUTENV$])
m4trace:configure.ac:42: -1- gl_FUNC_MMAP_ANON
m4trace:configure.ac:42: -1- m4_pattern_allow([^MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_mman_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/mman.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mprotect], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mprotect"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_MMAP_ANON
m4trace:configure.ac:42: -1- m4_pattern_allow([^MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_mman_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/mman.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mprotect], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mprotect"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_SELECT
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_select_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/select.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIB_SELECT$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([select.c])
m4trace:configure.ac:42: -1- gl_SYS_SELECT_MODULE_INDICATOR([select])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([select])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[select]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[select]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([select])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SELECT$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_wait_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/wait.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_SETLOCALE
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([setlocale.c])
m4trace:configure.ac:42: -1- gl_PREREQ_SETLOCALE
m4trace:configure.ac:42: -1- gl_LOCALE_MODULE_INDICATOR([setlocale])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([setlocale])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[setlocale]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[setlocale]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([setlocale])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SETLOCALE$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_JA
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_JA$])
m4trace:configure.ac:42: -1- gt_LOCALE_ZH_CN
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_ZH_CN$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([setsockopt.c])
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_MODULE_INDICATOR([setsockopt])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([setsockopt])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[setsockopt]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[setsockopt]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([setsockopt])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SETSOCKOPT$])
m4trace:configure.ac:42: -1- gl_FUNC_SLEEP
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_SLEEP$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_sleep], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" sleep"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([sleep.c])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([sleep])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([sleep])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[sleep]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[sleep]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([sleep])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SLEEP$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_alarm], [_AC_CHECK_DECLS([alarm])])
m4trace:configure.ac:42: -1- gl_FUNC_SNPRINTF
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SNPRINTF$])
m4trace:configure.ac:42: -1- gl_SNPRINTF_SIZE1
m4trace:configure.ac:42: -1- gl_SNPRINTF_RETVAL_C99
m4trace:configure.ac:42: -1- gl_PRINTF_POSITIONS
m4trace:configure.ac:42: -1- gl_REPLACE_SNPRINTF
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([snprintf.c])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_snprintf], [_AC_CHECK_DECLS([snprintf])])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_SNPRINTF$])
m4trace:configure.ac:42: -1- gl_PREREQ_SNPRINTF
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_snprintf], [_AC_CHECK_DECLS([snprintf])])
m4trace:configure.ac:42: -1- gl_STDIO_MODULE_INDICATOR([snprintf])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([snprintf])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[snprintf]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[snprintf]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([snprintf])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SNPRINTF$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([snprintf])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_SNPRINTF$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([socket.c])
m4trace:configure.ac:42: -1- gl_SYS_SOCKET_MODULE_INDICATOR([socket])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([socket])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[socket]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[socket]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([socket])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SOCKET$])
m4trace:configure.ac:42: -1- gl_TYPE_SOCKLEN_T
m4trace:configure.ac:42: -1- gl_SOCKET_HEADERS
m4trace:configure.ac:42: -1- m4_pattern_allow([^socklen_t$])
m4trace:configure.ac:42: -1- gl_STDALIGN_H
m4trace:configure.ac:42: -1- m4_pattern_allow([^STDALIGN_H$])
m4trace:configure.ac:42: -1- AM_CONDITIONAL([GL_GENERATE_STDALIGN_H], [test -n "$STDALIGN_H"])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDALIGN_H_TRUE$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GL_GENERATE_STDALIGN_H_FALSE$])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDALIGN_H_TRUE])
m4trace:configure.ac:42: -1- _AM_SUBST_NOTMAKE([GL_GENERATE_STDALIGN_H_FALSE])
m4trace:configure.ac:42: -1- gl_FUNC_STRERROR_R
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Check_Decl_strerror_r], [_AC_CHECK_DECLS([strerror_r])])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([strerror_r.c])
m4trace:configure.ac:42: -1- gl_PREREQ_STRERROR_R
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func___xpg_strerror_r], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" __xpg_strerror_r"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_catgets], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" catgets"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_snprintf], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" snprintf"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_STRING_MODULE_INDICATOR([strerror_r])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([strerror_r])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[strerror_r]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[strerror_r]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([strerror_r])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_STRERROR_R$])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR([strerror_r-posix])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_STRERROR_R_POSIX$])
m4trace:configure.ac:42: -1- gl_FUNC_MMAP_ANON
m4trace:configure.ac:42: -1- m4_pattern_allow([^MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_MAP_ANONYMOUS$])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_mman_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/mman.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_mprotect], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" mprotect"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_FUNC_SYMLINK
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_symlink], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" symlink"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([symlink.c])
m4trace:configure.ac:42: -1- gl_UNISTD_MODULE_INDICATOR([symlink])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([symlink])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[symlink]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[symlink]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([symlink])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_SYMLINK$])
m4trace:configure.ac:42: -1- gl_SYS_IOCTL_H
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_ioctl_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/ioctl.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_IOCTL_H$])
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/ioctl.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/ioctl.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_ioctl_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/ioctl.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/ioctl.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_IOCTL_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H$])
m4trace:configure.ac:42: -1- gl_WARN_ON_USE_PREPARE([[#include <sys/ioctl.h>
/* Some platforms declare ioctl in the wrong header.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <unistd.h>
#endif
    ]], [ioctl])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_shutdown], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" shutdown"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- gl_HEADER_SYS_UIO
m4trace:configure.ac:42: -1- gl_SYS_UIO_H_DEFAULTS
m4trace:configure.ac:42: -1- gl_CHECK_NEXT_HEADERS([sys/uio.h])
m4trace:configure.ac:42: -1- gl_NEXT_HEADERS_INTERNAL([sys/uio.h], [check])
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Header_sys_uio_h], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_header_list], [" sys/uio.h"])])
_AC_HEADERS_EXPANSION])
m4trace:configure.ac:42: -1- gl_ABSOLUTE_HEADER_ONE([sys/uio.h])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_SYS_UIO_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_SYS_UIO_H$])
m4trace:configure.ac:42: -1- AC_PROG_MKDIR_P
m4trace:configure.ac:42: -1- m4_pattern_allow([^abs_aux_dir$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^abs_aux_dir$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR$])
m4trace:configure.ac:42: -1- gt_LOCALE_FR_UTF8
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_FR_UTF8$])
m4trace:configure.ac:42: -1- gt_LOCALE_JA
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_JA$])
m4trace:configure.ac:42: -1- gt_LOCALE_ZH_CN
m4trace:configure.ac:42: -1- m4_pattern_allow([^LOCALE_ZH_CN$])
m4trace:configure.ac:42: -1- gl_FUNC_WCTOB
m4trace:configure.ac:42: -1- AC_DEFUN([_AC_Func_wctob], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" wctob"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:42: -1- m4_pattern_allow([^HAVE_DECL_WCTOB$])
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([wctob.c])
m4trace:configure.ac:42: -1- gl_PREREQ_WCTOB
m4trace:configure.ac:42: -1- gl_WCHAR_MODULE_INDICATOR([wctob])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([wctob])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[wctob]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[wctob]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([wctob])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_WCTOB$])
m4trace:configure.ac:42: -1- gl_FUNC_WCTOMB
m4trace:configure.ac:42: -1- gltests_LIBSOURCES([wctomb.c])
m4trace:configure.ac:42: -1- gl_PREREQ_WCTOMB
m4trace:configure.ac:42: -1- gl_STDLIB_MODULE_INDICATOR([wctomb])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE([wctomb])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX([GNULIB_[]m4_translit([[wctomb]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([GNULIB_[]m4_translit([[wctomb]],
                          [abcdefghijklmnopqrstuvwxyz./-],
                          [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], [gl_MODULE_INDICATOR_CONDITION])
m4trace:configure.ac:42: -1- gl_MODULE_INDICATOR_FOR_TESTS([wctomb])
m4trace:configure.ac:42: -1- m4_pattern_allow([^GNULIB_TEST_WCTOMB$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBDIFFUTILS_LIBDEPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBDIFFUTILS_LTLIBDEPS$])
m4trace:configure.ac:42: -1- m4_pattern_allow([^LIBTESTS_LIBDEPS$])
m4trace:configure.ac:60: -1- gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
m4trace:configure.ac:60: -1- gl_UNKNOWN_WARNINGS_ARE_ERRORS
m4trace:configure.ac:60: -1- gl_COMPILER_OPTION_IF([-Werror -Wunknown-warning-option], [gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror'], [gl_unknown_warnings_are_errors=])
m4trace:configure.ac:60: -1- gl_COMPILER_OPTION_IF([-Werror], [gl_AS_VAR_APPEND(m4_if([WERROR_CFLAGS], [], [[WARN_CFLAGS]], [[WERROR_CFLAGS]]), [" -Werror"])], [], [])
m4trace:configure.ac:60: -1- m4_pattern_allow([^WERROR_CFLAGS$])
m4trace:configure.ac:61: -1- m4_pattern_allow([^WERROR_CFLAGS$])
m4trace:configure.ac:95: -1- gl_MANYWARN_ALL_GCC([ws])
m4trace:configure.ac:96: -1- gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
m4trace:configure.ac:98: -1- gl_WARN_ADD([$w])
m4trace:configure.ac:98: -1- gl_COMPILER_OPTION_IF([$w], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" $w"])], [], [])
m4trace:configure.ac:98: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:100: -1- gl_WARN_ADD([-Wno-missing-field-initializers])
m4trace:configure.ac:100: -1- gl_COMPILER_OPTION_IF([-Wno-missing-field-initializers], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -Wno-missing-field-initializers"])], [], [])
m4trace:configure.ac:100: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:101: -1- gl_WARN_ADD([-Wno-sign-compare])
m4trace:configure.ac:101: -1- gl_COMPILER_OPTION_IF([-Wno-sign-compare], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -Wno-sign-compare"])], [], [])
m4trace:configure.ac:101: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:102: -1- gl_WARN_ADD([-Wno-pointer-sign])
m4trace:configure.ac:102: -1- gl_COMPILER_OPTION_IF([-Wno-pointer-sign], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -Wno-pointer-sign"])], [], [])
m4trace:configure.ac:102: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:103: -1- gl_WARN_ADD([-Wno-unused-parameter])
m4trace:configure.ac:103: -1- gl_COMPILER_OPTION_IF([-Wno-unused-parameter], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -Wno-unused-parameter"])], [], [])
m4trace:configure.ac:103: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:104: -1- gl_WARN_ADD([-Wno-format-nonliteral])
m4trace:configure.ac:104: -1- gl_COMPILER_OPTION_IF([-Wno-format-nonliteral], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -Wno-format-nonliteral"])], [], [])
m4trace:configure.ac:104: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:108: -1- gl_WARN_ADD([-Wno-logical-op])
m4trace:configure.ac:108: -1- gl_COMPILER_OPTION_IF([-Wno-logical-op], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -Wno-logical-op"])], [], [])
m4trace:configure.ac:108: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:110: -1- gl_WARN_ADD([-fdiagnostics-show-option])
m4trace:configure.ac:110: -1- gl_COMPILER_OPTION_IF([-fdiagnostics-show-option], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -fdiagnostics-show-option"])], [], [])
m4trace:configure.ac:110: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:111: -1- gl_WARN_ADD([-funit-at-a-time])
m4trace:configure.ac:111: -1- gl_COMPILER_OPTION_IF([-funit-at-a-time], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -funit-at-a-time"])], [], [])
m4trace:configure.ac:111: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:112: -1- gl_WARN_ADD([-fno-common])
m4trace:configure.ac:112: -1- gl_COMPILER_OPTION_IF([-fno-common], [gl_AS_VAR_APPEND(m4_if([], [], [[WARN_CFLAGS]], [[]]), [" -fno-common"])], [], [])
m4trace:configure.ac:112: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:114: -1- m4_pattern_allow([^WARN_CFLAGS$])
m4trace:configure.ac:116: -1- m4_pattern_allow([^lint$])
m4trace:configure.ac:117: -1- m4_pattern_allow([^_FORTIFY_SOURCE$])
m4trace:configure.ac:119: -1- m4_pattern_allow([^GNULIB_PORTCHECK$])
m4trace:configure.ac:128: -1- gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
m4trace:configure.ac:129: -1- m4_pattern_allow([^GNULIB_WARN_CFLAGS$])
m4trace:configure.ac:133: -1- AC_C_VARARRAYS
m4trace:configure.ac:133: -1- m4_pattern_allow([^HAVE_C_VARARRAYS$])
m4trace:configure.ac:133: -1- m4_pattern_allow([^__STDC_NO_VLA__$])
m4trace:configure.ac:135: -1- m4_pattern_allow([^DEFAULT_EDITOR_PROGRAM$])
m4trace:configure.ac:138: -1- m4_pattern_allow([^PR_PROGRAM$])
m4trace:configure.ac:139: -1- m4_pattern_allow([^PR_PROGRAM$])
m4trace:configure.ac:141: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_BLKSIZE$])
m4trace:configure.ac:142: -1- m4_pattern_allow([^HAVE_STRUCT_STAT_ST_RDEV$])
m4trace:configure.ac:144: -1- m4_pattern_allow([^HAVE_SYS_WAIT_H$])
m4trace:configure.ac:145: -1- m4_pattern_allow([^pid_t$])
m4trace:configure.ac:147: -1- AC_DEFUN([_AC_Func_sigaction], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" sigaction"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:147: -1- AC_DEFUN([_AC_Func_sigprocmask], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" sigprocmask"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:147: -1- AC_DEFUN([_AC_Func_strcasecoll], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" strcasecoll"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:147: -1- AC_DEFUN([_AC_Func_stricoll], [m4_divert_text([INIT_PREPARE], [AS_VAR_APPEND([ac_func_list], [" stricoll"])])
_AC_FUNCS_EXPANSION])
m4trace:configure.ac:149: -1- m4_pattern_allow([^HAVE_SIGBLOCK$])
m4trace:configure.ac:151: -1- m4_pattern_allow([^CLOSEDIR_VOID$])
m4trace:configure.ac:152: -1- m4_pattern_allow([^HAVE_VFORK_H$])
m4trace:configure.ac:152: -1- m4_pattern_allow([^HAVE_WORKING_VFORK$])
m4trace:configure.ac:152: -1- m4_pattern_allow([^vfork$])
m4trace:configure.ac:152: -1- m4_pattern_allow([^HAVE_WORKING_FORK$])
m4trace:configure.ac:162: -1- m4_pattern_allow([^SRC_VERSION_C$])
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