dnl do always before generated macros:
dnl
AC_DEFUN([INVOKE_LIBOPTS_MACROS_FIRST],[
AC_REQUIRE([AC_HEADER_STDC])
AC_HEADER_DIRENT
# =================
# AC_CHECK_HEADERS
# =================
AC_CHECK_HEADERS([ \
sys/mman.h sys/param.h sys/poll.h sys/procset.h \
sys/select.h sys/socket.h sys/stropts.h sys/time.h \
sys/un.h sys/wait.h dlfcn.h errno.h \
fcntl.h libgen.h libintl.h memory.h \
netinet/in.h setjmp.h stdbool.h sysexits.h \
unistd.h utime.h])
AC_CHECK_HEADERS([stdarg.h varargs.h],
[lo_have_arg_hdr=true;break],
[lo_have_arg_hdr=false])
AC_CHECK_HEADERS([string.h strings.h],
[lo_have_str_hdr=true;break],
[lo_have_str_hdr=false])
AC_CHECK_HEADERS([limits.h sys/limits.h values.h],
[lo_have_lim_hdr=true;break],
[lo_have_lim_hdr=false])
AC_CHECK_HEADERS([inttypes.h stdint.h],
[lo_have_typ_hdr=true;break],
[lo_have_typ_hdr=false])
gl_STDNORETURN_H
# ----------------------------------------------------------------------
# check for various programs used during the build.
# On OS/X, "wchar.h" needs "runetype.h" to work properly.
# ----------------------------------------------------------------------
AC_CHECK_HEADERS([runetype.h wchar.h], [], [],[
AC_INCLUDES_DEFAULT
#if HAVE_RUNETYPE_H
# include <runetype.h>
#endif
])
AC_ARG_ENABLE([nls],
AS_HELP_STRING([--disable-nls],[disable nls support in libopts]))
AS_IF([test "x$enable_nls" != "xno" && \
test "X${ac_cv_header_libintl_h}" = Xyes], [
AC_DEFINE([ENABLE_NLS],[1],[nls support in libopts])])
# --------------------------------------------
# Verify certain entries from AC_CHECK_HEADERS
# --------------------------------------------
[${lo_have_arg_hdr} || \
]AC_MSG_ERROR([you must have stdarg.h or varargs.h on your system])[
${lo_have_str_hdr} || \
]AC_MSG_ERROR([you must have string.h or strings.h on your system])[
${lo_have_lim_hdr} || \
]AC_MSG_ERROR(
[you must have one of limits.h, sys/limits.h or values.h])[
${lo_have_typ_hdr} || \
]AC_MSG_ERROR([you must have inttypes.h or stdint.h on your system])[
for f in sys_types sys_param sys_stat string errno stdlib memory setjmp
do eval as_ac_var=\${ac_cv_header_${f}_h}
test "X${as_ac_var}" = Xyes || {
]AC_MSG_ERROR([you must have ${f}.h on your system])[
}
done
test "X${ac_cv_header_inttypes_h-no}" = Xyes || \
echo '#include <stdint.h>' > inttypes.h]
# ----------------------------------------------------------------------
# Checks for typedefs
# ----------------------------------------------------------------------
AC_CHECK_TYPES(wchar_t)
AC_CHECK_TYPES(wint_t, [], [], [
AC_INCLUDES_DEFAULT
#if HAVE_RUNETYPE_H
# include <runetype.h>
#endif
#if HAVE_WCHAR_H
# include <wchar.h>
#endif
])
AC_CHECK_TYPES([int8_t, uint8_t, int16_t, uint16_t, int32_t, uint32_t,
intptr_t, uintptr_t, uint_t, pid_t, size_t, ptrdiff_t])
AC_CHECK_SIZEOF(char *, 8)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 8)
AC_CHECK_SIZEOF(short, 2)
# ------------
# AC_CHECK_LIB
# ------------
AC_CHECK_LIB(gen, pathfind)
AC_CHECK_LIB(intl,gettext)
AC_FUNC_VPRINTF
AC_FUNC_FORK
AC_CHECK_FUNCS([mmap canonicalize_file_name snprintf strdup strchr \
strrchr strsignal fchmod fstat chmod])
AC_PROG_SED
[while :
do
test -x "$POSIX_SHELL" && break
POSIX_SHELL=`which bash`
test -x "$POSIX_SHELL" && break
POSIX_SHELL=`which dash`
test -x "$POSIX_SHELL" && break
POSIX_SHELL=/usr/xpg4/bin/sh
test -x "$POSIX_SHELL" && break
POSIX_SHELL=`/bin/sh -c '
exec 2>/dev/null
if ! true ; then exit 1 ; fi
echo /bin/sh'`
test -x "$POSIX_SHELL" && break
]AC_MSG_ERROR([cannot locate a working POSIX shell])[
done]
AC_DEFINE_UNQUOTED([POSIX_SHELL], ["${POSIX_SHELL}"],
[define to a working POSIX compliant shell])
AC_SUBST([POSIX_SHELL])
])
dnl
dnl @synopsis INVOKE_LIBOPTS_MACROS
dnl
dnl This macro will invoke the AutoConf macros specified in libopts.def
dnl that have not been disabled with "omit-invocation".
dnl
AC_DEFUN([LIBOPTS_WITH_REGEX_HEADER],[
AC_ARG_WITH([regex-header],
AS_HELP_STRING([--with-regex-header], [a reg expr header is specified]),
[libopts_cv_with_regex_header=${with_regex_header}],
AC_CACHE_CHECK([whether a reg expr header is specified], libopts_cv_with_regex_header,
libopts_cv_with_regex_header=no)
) # end of AC_ARG_WITH
if test "X${libopts_cv_with_regex_header}" != Xno
then
AC_DEFINE_UNQUOTED([REGEX_HEADER],[<${libopts_cv_with_regex_header}>])
else
AC_DEFINE([REGEX_HEADER],[<regex.h>],[name of regex header file])
fi
]) # end of AC_DEFUN of LIBOPTS_WITH_REGEX_HEADER
AC_DEFUN([LIBOPTS_WITHLIB_REGEX],[
AC_ARG_WITH([libregex],
AS_HELP_STRING([--with-libregex], [libregex installation prefix]),
[libopts_cv_with_libregex_root=${with_libregex}],
AC_CACHE_CHECK([whether with-libregex was specified], libopts_cv_with_libregex_root,
libopts_cv_with_libregex_root=no)
) # end of AC_ARG_WITH libregex
if test "${with_libregex+set}" = set && \
test "X${withval}" = Xno
then ## disabled by request
libopts_cv_with_libregex_root=no
libopts_cv_with_libregex_cflags=no
libopts_cv_with_libregex_libs=no
else
AC_ARG_WITH([libregex-cflags],
AS_HELP_STRING([--with-libregex-cflags], [libregex compile flags]),
[libopts_cv_with_libregex_cflags=${with_libregex_cflags}],
AC_CACHE_CHECK([whether with-libregex-cflags was specified], libopts_cv_with_libregex_cflags,
libopts_cv_with_libregex_cflags=no)
) # end of AC_ARG_WITH libregex-cflags
AC_ARG_WITH([libregex-libs],
AS_HELP_STRING([--with-libregex-libs], [libregex link command arguments]),
[libopts_cv_with_libregex_libs=${with_libregex_libs}],
AC_CACHE_CHECK([whether with-libregex-libs was specified], libopts_cv_with_libregex_libs,
libopts_cv_with_libregex_libs=no)
) # end of AC_ARG_WITH libregex-libs
case "X${libopts_cv_with_libregex_cflags}" in
Xyes|Xno|X )
case "X${libopts_cv_with_libregex_root}" in
Xyes|Xno|X ) libopts_cv_with_libregex_cflags=no ;;
* ) libopts_cv_with_libregex_cflags=-I${libopts_cv_with_libregex_root}/include ;;
esac
esac
case "X${libopts_cv_with_libregex_libs}" in
Xyes|Xno|X )
case "X${libopts_cv_with_libregex_root}" in
Xyes|Xno|X ) libopts_cv_with_libregex_libs=no ;;
* ) libopts_cv_with_libregex_libs="-L${libopts_cv_with_libregex_root}/lib -lregex" ;;
esac
esac
libopts_save_CPPFLAGS="${CPPFLAGS}"
libopts_save_LIBS="${LIBS}"
case "X${libopts_cv_with_libregex_cflags}" in
Xyes|Xno|X )
libopts_cv_with_libregex_cflags="" ;;
* ) CPPFLAGS="${CPPFLAGS} ${libopts_cv_with_libregex_cflags}" ;;
esac
case "X${libopts_cv_with_libregex_libs}" in
Xyes|Xno|X )
libopts_cv_with_libregex_libs="" ;;
* )
LIBS="${LIBS} ${libopts_cv_with_libregex_libs}" ;;
esac
LIBREGEX_CFLAGS=""
LIBREGEX_LIBS=""
AC_MSG_CHECKING([whether libregex functions properly])
AC_CACHE_VAL([libopts_cv_with_libregex],[
AC_RUN_IFELSE([AC_LANG_SOURCE([@%:@include <stdio.h>
@%:@include <stdlib.h>
@%:@include <sys/types.h>
@%:@include REGEX_HEADER
static regex_t re;
void comp_re(char const * pzPat) {
int res = regcomp( &re, pzPat, REG_EXTENDED|REG_ICASE|REG_NEWLINE );
if (res == 0) return;
exit( res ); }
int main() {
regmatch_t m@<:@2@:>@;
comp_re( "^.*\@S|@" );
comp_re( "()|no.*" );
comp_re( "." );
if (regexec( &re, "X", 2, m, 0 ) != 0) return 1;
if ((m@<:@0@:>@.rm_so != 0) || (m@<:@0@:>@.rm_eo != 1)) {
fputs( "error: regex -->.<-- did not match\n", stderr );
return 1;
}
return 0; }] )],
[libopts_cv_with_libregex=yes], [libopts_cv_with_libregex=no],
[libopts_cv_with_libregex=no]) # end of AC_RUN_IFELSE
]) # end of AC_CACHE_VAL for libopts_cv_with_libregex
fi ## disabled by request
AC_MSG_RESULT([${libopts_cv_with_libregex}])
if test "X${libopts_cv_with_libregex}" != Xno
then
AC_DEFINE([WITH_LIBREGEX],[1],
[Define this if a working libregex can be found])
else
CPPFLAGS="${libopts_save_CPPFLAGS}"
LIBS="${libopts_save_LIBS}"
libopts_cv_with_libregex_root=no
libopts_cv_with_libregex_cflags=no
libopts_cv_with_libregex_libs=no
libopts_cv_with_libregex=no
fi
]) # end of AC_DEFUN of LIBOPTS_WITHLIB_REGEX
AC_DEFUN([LIBOPTS_RUN_PATHFIND],[
AC_MSG_CHECKING([whether pathfind(3) works])
AC_CACHE_VAL([libopts_cv_run_pathfind],[
AC_RUN_IFELSE([AC_LANG_SOURCE([@%:@include <string.h>
@%:@include <stdlib.h>
int main (int argc, char ** argv) {
char * pz = pathfind( getenv( "PATH" ), "sh", "x" );
return (pz == 0) ? 1 : 0;
}] )],
[libopts_cv_run_pathfind=yes],[libopts_cv_run_pathfind=no],[libopts_cv_run_pathfind=no]
) # end of RUN_IFELSE
]) # end of AC_CACHE_VAL for libopts_cv_run_pathfind
AC_MSG_RESULT([${libopts_cv_run_pathfind}])
if test "X${libopts_cv_run_pathfind}" != Xno
then
AC_DEFINE([HAVE_PATHFIND],[1],
[Define this if pathfind(3) works])
fi
]) # end of AC_DEFUN of LIBOPTS_RUN_PATHFIND
AC_DEFUN([LIBOPTS_TEST_DEV_ZERO],[
AC_MSG_CHECKING([whether /dev/zero is readable device])
AC_CACHE_VAL([libopts_cv_test_dev_zero],[
libopts_cv_test_dev_zero=`exec 2> /dev/null
dzero=\`ls -lL /dev/zero | egrep ^c......r\`
test -z "${dzero}" && exit 1
echo ${dzero}`
if test $? -ne 0 || test -z "$libopts_cv_test_dev_zero"
then libopts_cv_test_dev_zero=no
fi
]) # end of CACHE_VAL of libopts_cv_test_dev_zero
AC_MSG_RESULT([${libopts_cv_test_dev_zero}])
if test "X${libopts_cv_test_dev_zero}" != Xno
then
AC_DEFINE([HAVE_DEV_ZERO],[1],
[Define this if /dev/zero is readable device])
fi
]) # end of AC_DEFUN of LIBOPTS_TEST_DEV_ZERO
AC_DEFUN([LIBOPTS_RUN_REALPATH],[
AC_MSG_CHECKING([whether we have a functional realpath(3C)])
AC_CACHE_VAL([libopts_cv_run_realpath],[
AC_RUN_IFELSE([AC_LANG_SOURCE([@%:@include <limits.h>
@%:@include <stdlib.h>
int main (int argc, char ** argv) {
@%:@ifndef PATH_MAX
choke me!!
@%:@else
char zPath@<:@PATH_MAX+1@:>@;
@%:@endif
char *pz = realpath(argv@<:@0@:>@, zPath);
return (pz == zPath) ? 0 : 1;
}] )],
[libopts_cv_run_realpath=yes],[libopts_cv_run_realpath=no],[libopts_cv_run_realpath=no]
) # end of RUN_IFELSE
]) # end of AC_CACHE_VAL for libopts_cv_run_realpath
AC_MSG_RESULT([${libopts_cv_run_realpath}])
if test "X${libopts_cv_run_realpath}" != Xno
then
AC_DEFINE([HAVE_REALPATH],[1],
[Define this if we have a functional realpath(3C)])
fi
]) # end of AC_DEFUN of LIBOPTS_RUN_REALPATH
AC_DEFUN([LIBOPTS_RUN_STRFTIME],[
AC_MSG_CHECKING([whether strftime() works])
AC_CACHE_VAL([libopts_cv_run_strftime],[
AC_RUN_IFELSE([AC_LANG_SOURCE([@%:@include <time.h>
@%:@include <string.h>
char t_buf@<:@ 64 @:>@;
int main() {
static char const z@<:@@:>@ = "Thursday Aug 28 240";
struct tm tm;
tm.tm_sec = 36; /* seconds after the minute @<:@0, 61@:>@ */
tm.tm_min = 44; /* minutes after the hour @<:@0, 59@:>@ */
tm.tm_hour = 12; /* hour since midnight @<:@0, 23@:>@ */
tm.tm_mday = 28; /* day of the month @<:@1, 31@:>@ */
tm.tm_mon = 7; /* months since January @<:@0, 11@:>@ */
tm.tm_year = 86; /* years since 1900 */
tm.tm_wday = 4; /* days since Sunday @<:@0, 6@:>@ */
tm.tm_yday = 239; /* days since January 1 @<:@0, 365@:>@ */
tm.tm_isdst = 1; /* flag for daylight savings time */
strftime( t_buf, sizeof( t_buf ), "%A %b %d %j", &tm );
return (strcmp( t_buf, z ) != 0); }] )],
[libopts_cv_run_strftime=yes],[libopts_cv_run_strftime=no],[libopts_cv_run_strftime=no]
) # end of RUN_IFELSE
]) # end of AC_CACHE_VAL for libopts_cv_run_strftime
AC_MSG_RESULT([${libopts_cv_run_strftime}])
if test "X${libopts_cv_run_strftime}" != Xno
then
AC_DEFINE([HAVE_STRFTIME],[1],
[Define this if strftime() works])
fi
]) # end of AC_DEFUN of LIBOPTS_RUN_STRFTIME
AC_DEFUN([LIBOPTS_RUN_FOPEN_BINARY],[
AC_MSG_CHECKING([whether fopen accepts "b" mode])
AC_CACHE_VAL([libopts_cv_run_fopen_binary],[
AC_RUN_IFELSE([AC_LANG_SOURCE([@%:@include <stdio.h>
int main (int argc, char ** argv) {
FILE * fp = fopen("conftest.@S|@ac_ext", "rb");
return (fp == NULL) ? 1 : fclose(fp); }] )],
[libopts_cv_run_fopen_binary=yes],[libopts_cv_run_fopen_binary=no],[libopts_cv_run_fopen_binary=no]
) # end of RUN_IFELSE
]) # end of AC_CACHE_VAL for libopts_cv_run_fopen_binary
AC_MSG_RESULT([${libopts_cv_run_fopen_binary}])
if test "X${libopts_cv_run_fopen_binary}" != Xno
then
AC_DEFINE([FOPEN_BINARY_FLAG],"b",
[fopen(3) accepts a 'b' in the mode flag])
else
AC_DEFINE([FOPEN_BINARY_FLAG],"",
[fopen(3) accepts a 'b' in the mode flag])
fi
]) # end of AC_DEFUN of LIBOPTS_RUN_FOPEN_BINARY
AC_DEFUN([LIBOPTS_RUN_FOPEN_TEXT],[
AC_MSG_CHECKING([whether fopen accepts "t" mode])
AC_CACHE_VAL([libopts_cv_run_fopen_text],[
AC_RUN_IFELSE([AC_LANG_SOURCE([@%:@include <stdio.h>
int main (int argc, char ** argv) {
FILE * fp = fopen("conftest.@S|@ac_ext", "rt");
return (fp == NULL) ? 1 : fclose(fp); }] )],
[libopts_cv_run_fopen_text=yes],[libopts_cv_run_fopen_text=no],[libopts_cv_run_fopen_text=no]
) # end of RUN_IFELSE
]) # end of AC_CACHE_VAL for libopts_cv_run_fopen_text
AC_MSG_RESULT([${libopts_cv_run_fopen_text}])
if test "X${libopts_cv_run_fopen_text}" != Xno
then
AC_DEFINE([FOPEN_TEXT_FLAG],"t",
[fopen(3) accepts a 't' in the mode flag])
else
AC_DEFINE([FOPEN_TEXT_FLAG],"",
[fopen(3) accepts a 't' in the mode flag])
fi
]) # end of AC_DEFUN of LIBOPTS_RUN_FOPEN_TEXT
AC_DEFUN([LIBOPTS_DISABLE_OPTIONAL_ARGS],[
AC_ARG_ENABLE([optional-args],
AS_HELP_STRING([--disable-optional-args], [not wanting optional option args]),
[libopts_cv_enable_optional_args=${enable_optional_args}],
AC_CACHE_CHECK([whether not wanting optional option args], libopts_cv_enable_optional_args,
libopts_cv_enable_optional_args=yes)
) # end of AC_ARG_ENABLE
if test "X${libopts_cv_enable_optional_args}" = Xno
then
AC_DEFINE([NO_OPTIONAL_OPT_ARGS], [1],
[Define this if optional arguments are disallowed])
fi
]) # end of AC_DEFUN of LIBOPTS_DISABLE_OPTIONAL_ARGS
AC_DEFUN([INVOKE_LIBOPTS_MACROS],[
AC_REQUIRE([INVOKE_LIBOPTS_MACROS_FIRST])
# Check to see if a reg expr header is specified.
LIBOPTS_WITH_REGEX_HEADER
# Check to see if a working libregex can be found.
LIBOPTS_WITHLIB_REGEX
# Check to see if pathfind(3) works.
LIBOPTS_RUN_PATHFIND
# Check to see if /dev/zero is readable device.
LIBOPTS_TEST_DEV_ZERO
# Check to see if we have a functional realpath(3C).
LIBOPTS_RUN_REALPATH
# Check to see if strftime() works.
LIBOPTS_RUN_STRFTIME
# Check to see if fopen accepts "b" mode.
LIBOPTS_RUN_FOPEN_BINARY
# Check to see if fopen accepts "t" mode.
LIBOPTS_RUN_FOPEN_TEXT
# Check to see if not wanting optional option args.
LIBOPTS_DISABLE_OPTIONAL_ARGS
]) # end AC_DEFUN of INVOKE_LIBOPTS_MACROS
dnl @synopsis LIBOPTS_CHECK
dnl
dnl If autoopts-config works, add the linking information to LIBS.
dnl Otherwise, add ``libopts-${ao_rev}'' to SUBDIRS and run all
dnl the config tests that the library needs. Invoke the
dnl "INVOKE_LIBOPTS_MACROS" macro iff we are building libopts.
dnl
dnl This file is part of AutoGen.
dnl AutoGen Copyright (C) 1992-2018 by Bruce Korb - all rights reserved
dnl
dnl AutoGen is free software: you can redistribute it and/or modify it
dnl under the terms of the GNU General Public License as published by the
dnl Free Software Foundation, either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl AutoGen is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
dnl See the GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License along
dnl with this program. If not, see <http://www.gnu.org/licenses/>.
dnl
dnl Default to system libopts
dnl
AC_DEFUN([LIBOPTS_CHECK_COMMON],[
AC_REQUIRE([INVOKE_LIBOPTS_MACROS_FIRST])
[NEED_LIBOPTS_DIR='']
m4_pushdef([AO_Libopts_Dir],
[ifelse($1, , [libopts], [$1])])
AC_ARG_ENABLE([local-libopts],
AC_HELP_STRING([--enable-local-libopts],
[Use the supplied libopts tearoff code]),[
if test x$enableval = xyes ; then
AC_MSG_NOTICE([Using supplied libopts tearoff])
LIBOPTS_CFLAGS='-I$(top_srcdir)/AO_Libopts_Dir'
NEED_LIBOPTS_DIR=true
LIBOPTS_LDADD='$(top_builddir)/AO_Libopts_Dir/libopts.la'
fi])
AC_ARG_ENABLE([libopts-install],
AC_HELP_STRING([--enable-libopts-install],
[Install libopts with client installation]))
AM_CONDITIONAL([INSTALL_LIBOPTS],[test "X${enable_libopts_install}" = Xyes])
[if test -z "${NEED_LIBOPTS_DIR}" ; then]
AC_MSG_CHECKING([whether autoopts-config can be found])
AC_ARG_WITH([autoopts-config],
AC_HELP_STRING([--with-autoopts-config],
[specify the config-info script]),
[lo_cv_with_autoopts_config=${with_autoopts_config}],
AC_CACHE_CHECK([whether autoopts-config is specified],
[lo_cv_with_autoopts_config],
[if autoopts-config --help 2>/dev/null 1>&2
then lo_cv_with_autoopts_config=autoopts-config
elif libopts-config --help 2>/dev/null 1>&2
then lo_cv_with_autoopts_config=libopts-config
else lo_cv_with_autoopts_config=no ; fi])
) # end of AC_ARG_WITH
AC_CACHE_VAL([lo_cv_test_autoopts],[
if test -z "${lo_cv_with_autoopts_config}" \
-o X"${lo_cv_with_autoopts_config}" = Xno
then
if autoopts-config --help 2>/dev/null 1>&2
then lo_cv_with_autoopts_config=autoopts-config
elif libopts-config --help 2>/dev/null 1>&2
then lo_cv_with_autoopts_config=libopts-config
else lo_cv_with_autoopts_config=false ; fi
fi
lo_cv_test_autoopts=`
${lo_cv_with_autoopts_config} --libs` 2> /dev/null
if test $? -ne 0 -o -z "${lo_cv_test_autoopts}"
then lo_cv_test_autoopts=no ; fi
]) # end of CACHE_VAL
AC_MSG_RESULT([${lo_cv_test_autoopts}])
[if test "X${lo_cv_test_autoopts}" != Xno
then
LIBOPTS_LDADD="${lo_cv_test_autoopts}"
LIBOPTS_CFLAGS="`${lo_cv_with_autoopts_config} --cflags`"
else
LIBOPTS_LDADD='$(top_builddir)/]AO_Libopts_Dir[/libopts.la'
LIBOPTS_CFLAGS='-I$(top_srcdir)/]AO_Libopts_Dir['
NEED_LIBOPTS_DIR=true
fi
fi # end of if test -z "${NEED_LIBOPTS_DIR}"
if test -n "${LIBOPTS_BUILD_BLOCKED}" ; then
NEED_LIBOPTS_DIR=''
fi]
AM_CONDITIONAL([NEED_LIBOPTS], [test -n "${NEED_LIBOPTS_DIR}"])
AC_SUBST(LIBOPTS_LDADD)
AC_SUBST(LIBOPTS_CFLAGS)
AC_SUBST(LIBOPTS_DIR, AO_Libopts_Dir)
m4_popdef([AO_Libopts_Dir])
[# end of AC_DEFUN of LIBOPTS_CHECK_COMMON]
])
dnl
dnl AC_CONFIG_FILES conditionalization requires using AM_COND_IF, however
dnl AM_COND_IF is new to Automake 1.11. To use it on new Automake without
dnl requiring same, a fallback implementation for older Automake is provided.
dnl Note that disabling of AC_CONFIG_FILES requires Automake 1.11, this code
dnl is correct only in terms of m4sh generated script.
dnl
m4_ifndef([AM_COND_IF],
[AC_DEFUN([AM_COND_IF], [
if test -z "$$1_TRUE"; then :
m4_n([$2])[]dnl
m4_ifval([$3],[
else
$3
])dnl
fi[]dnl
])dnl
])
dnl
AC_DEFUN([LIBOPTS_CHECK_NOBUILD], [
m4_pushdef([AO_Libopts_Dir],
[ifelse($1, , [libopts], [$1])])
LIBOPTS_BUILD_BLOCKED=true
LIBOPTS_CHECK_COMMON(AO_Libopts_Dir)
m4_popdef([AO_Libopts_Dir])dnl
# end of AC_DEFUN of LIBOPTS_CHECK_NOBUILD
])
dnl
AC_DEFUN([LIBOPTS_CHECK], [
m4_pushdef([AO_Libopts_Dir],
[ifelse($1, , [libopts], [$1])])
LIBOPTS_BUILD_BLOCKED=''
LIBOPTS_CHECK_COMMON(AO_Libopts_Dir)
AM_COND_IF([NEED_LIBOPTS], [
INVOKE_LIBOPTS_MACROS
])
AC_CONFIG_FILES(AO_Libopts_Dir/Makefile)
m4_popdef([AO_Libopts_Dir])dnl
# end of AC_DEFUN of LIBOPTS_CHECK
])