dnl

dnl Autoconf configuration for Apache httpd

dnl

dnl     Use ./buildconf to produce a configure script

dnl

AC_PREREQ(2.50)

AC_INIT(ABOUT_APACHE)

AC_CONFIG_HEADER(include/ap_config_auto.h)

AC_CONFIG_AUX_DIR(build)

dnl Absolute source/build directory

abs_srcdir=`(cd $srcdir && pwd)`

abs_builddir=`pwd`

dnl Ensure that the httpd version is included

HTTPD_VERSION=`$abs_srcdir/build/get-version.sh all $abs_srcdir/include/ap_release.h AP_SERVER`

HTTPD_MMN=`$abs_srcdir/build/get-version.sh mmn $abs_srcdir/include/ap_mmn.h MODULE_MAGIC_NUMBER`

dnl #

dnl # Include our own M4 macros along with those for APR and libtool

dnl #

sinclude(build/apr_common.m4)

sinclude(build/find_apr.m4)

sinclude(build/find_apu.m4)

sinclude(acinclude.m4)

dnl Later versions of autoconf (>= 2.62) by default cause the produced

dnl configure script to emit at least warnings when it comes across unknown

dnl command line options. These versions also have the macro

dnl AC_DISABLE_OPTION_CHECKING defined which turns this off by default.

dnl We want to have this turned off here since our configure calls can

dnl contain options for APR / APR-UTIL configure that are unknown to us.

dnl So avoid confusing the user by turning this off. See also PR 45221.

ifdef([AC_DISABLE_OPTION_CHECKING], [AC_DISABLE_OPTION_CHECKING])

dnl XXX we can't just use AC_PREFIX_DEFAULT because that isn't subbed in

dnl by configure until it is too late.  Is that how it should be or not?

dnl Something seems broken here.                                               

AC_PREFIX_DEFAULT(/usr/local/apache2)

dnl Get the layout here, so we can pass the required variables to apr

APR_ENABLE_LAYOUT(Apache, [errordir iconsdir htdocsdir cgidir])

dnl reparse the configure arguments.

APR_PARSE_ARGUMENTS

dnl export expanded and relative configure argument variables

APACHE_EXPORT_ARGUMENTS

dnl Save user-defined environment settings for later restoration

dnl

APR_SAVE_THE_ENVIRONMENT(CPPFLAGS)

APR_SAVE_THE_ENVIRONMENT(CFLAGS)

APR_SAVE_THE_ENVIRONMENT(CXXFLAGS)

APR_SAVE_THE_ENVIRONMENT(LDFLAGS)

APR_SAVE_THE_ENVIRONMENT(LIBS)

APR_SAVE_THE_ENVIRONMENT(INCLUDES)

dnl Generate ./config.nice for reproducing runs of configure

dnl

APR_CONFIG_NICE(config.nice)

nl='

'

dnl Check that mkdir -p works

APR_MKDIR_P_CHECK($top_srcdir/build/mkdir.sh)

dnl get an EGREP to use in the Makefiles

AC_PROG_EGREP

APACHE_SUBST(EGREP)

dnl ## Run configure for packages Apache uses

dnl shared library support for these packages doesn't currently

dnl work on some platforms

AC_CANONICAL_SYSTEM

orig_prefix="$prefix"

AC_MSG_NOTICE([])

AC_MSG_NOTICE([Configuring Apache Portable Runtime library...])

AC_MSG_NOTICE([])

AC_ARG_WITH(included-apr,

APACHE_HELP_STRING(--with-included-apr,Use bundled copies of APR/APR-Util))

if test "x$with_included_apr" = "xyes"; then

  apr_found=reconfig

  if test ! -d srclib/apr && test ! -d $srcdir/srclib/apr; then

    AC_MSG_ERROR([Bundled APR requested but not found at ./srclib/. Download and unpack the corresponding apr and apr-util packages to ./srclib/.])

  fi

else 

  APR_FIND_APR("$srcdir/srclib/apr", "./srclib/apr", 1, 1 2, [

    version=`$apr_config --version`

    case x${version} in

    x1.[[0-3]].*) 

      AC_MSG_WARN([APR version 1.4.0 or later is required, found $version])

      apr_acceptable=no

      ;;

    esac

    unset version

   ])

fi

if test "$apr_found" = "no"; then

  AC_MSG_ERROR([APR not found.  Please read the documentation.])

fi

if test "$apr_found" = "reconfig"; then

  APR_SUBDIR_CONFIG(srclib/apr,

                    [$apache_apr_flags --prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir --datadir=$datadir --with-installbuilddir=$installbuilddir],

                    [--enable-layout=*|\'--enable-layout=*])

  dnl We must be the first to build and the last to be cleaned

  AP_BUILD_SRCLIB_DIRS="apr $AP_BUILD_SRCLIB_DIRS"

  AP_CLEAN_SRCLIB_DIRS="$AP_CLEAN_SRCLIB_DIRS apr"

  dnl We have to find apr-N-config when we reconfigure APR.

  for majorver in 1 2; do

    test_apr_config="./srclib/apr/apr-${majorver}-config"

    if test -f "$test_apr_config"; then

      apr_config="$test_apr_config"

    fi

  done

fi

APR_SETIFNULL(CC, `$apr_config --cc`)

APR_SETIFNULL(CPP, `$apr_config --cpp`)

APR_ADDTO(CFLAGS, `$apr_config --cflags`)

APR_ADDTO(CPPFLAGS, `$apr_config --cppflags`)

dnl internal-only CPPFLAGS (shouldn't affect third-party module builds)

INTERNAL_CPPFLAGS=""

APR_ADDTO(LDFLAGS, `$apr_config --ldflags`)

SHLIBPATH_VAR=`$apr_config --shlib-path-var`

APR_BINDIR=`$apr_config --bindir`

APR_INCLUDEDIR=`$apr_config --includedir`

APR_INCLUDES=`$apr_config --includes`

APR_VERSION=`$apr_config --version`

apr_major_version=`echo ${APR_VERSION} | sed 's,\..*,,'`

APR_CONFIG="$APR_BINDIR/apr-${apr_major_version}-config"

AC_MSG_NOTICE([])

AC_MSG_NOTICE([Configuring Apache Portable Runtime Utility library...])

AC_MSG_NOTICE([])

if test "x${apr_major_version}" = "x2"; then

  apu_found=obsolete

elif test "x$with_included_apr" = "xyes"; then

  apu_found=reconfig

  if test ! -d srclib/apr-util && test ! -d $srcdir/srclib/apr-util; then

    AC_MSG_ERROR([Bundled APR-Util requested but not found at ./srclib/. Download and unpack the corresponding apr and apr-util packages to ./srclib/.])

  fi

else 

   dnl If httpd is buildconf'ed against an apr 2.x tree, then 1.x

   dnl isn't supported. 

   ifdef([APR_FIND_APU], [

     APR_FIND_APU("$srcdir/srclib/apr-util", "./srclib/apr-util", 

                  1, ${apr_major_version})

   ], [apu_found=no])

fi

if test "$apu_found" = "no"; then

  AC_MSG_ERROR([APR-util not found.  Please read the documentation.])

fi

# Catch some misconfigurations:

case ${apr_found}.${apu_found} in

reconfig.yes)

  AC_MSG_ERROR([Cannot use an external APR-util with the bundled APR])

  ;;

yes.reconfig)

  AC_MSG_ERROR([Cannot use an external APR with the bundled APR-util])

  ;;

esac  

if test "$apu_found" = "reconfig"; then

  APR_SUBDIR_CONFIG(srclib/apr-util,

                    [--with-apr=../apr --prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir],

                    [--enable-layout=*|\'--enable-layout=*])

  dnl We must be the last to build and the first to be cleaned

  AP_BUILD_SRCLIB_DIRS="$AP_BUILD_SRCLIB_DIRS apr-util"

  AP_CLEAN_SRCLIB_DIRS="apr-util $AP_CLEAN_SRCLIB_DIRS"

  dnl APR and APR-Util major versions must match

  apu_config="./srclib/apr-util/apu-${apr_major_version}-config"

fi

if test "$apu_found" = "obsolete"; then

  AC_MSG_NOTICE([APR-util obsoleted, woohoo])

else

  APR_ADDTO(LDFLAGS, `$apu_config --ldflags`)

  APU_BINDIR=`$apu_config --bindir`

  APU_INCLUDEDIR=`$apu_config --includedir`

  APU_INCLUDES=`$apu_config --includes`

  APU_VERSION=`$apu_config --version`

  APU_CONFIG="$APU_BINDIR/apu-`echo ${APU_VERSION} | sed 's,\..*,,'`-config"

fi

dnl In case we picked up CC and CPP from APR, get that info into the

dnl config cache so that PCRE uses it.  Otherwise, CC and CPP used for

dnl PCRE and for our config tests will be whatever PCRE determines.

AC_PROG_CC

AC_PROG_CPP

dnl Try to get c99 support for variadic macros

ifdef([AC_PROG_CC_C99], [AC_PROG_CC_C99])

if test "x${cache_file}" = "x/dev/null"; then

  # Likewise, ensure that CC and CPP are passed through to the pcre

  # configure script iff caching is disabled (the autoconf 2.5x default).

  export CC; export CPP

fi

AC_ARG_WITH(pcre,

APACHE_HELP_STRING(--with-pcre=PATH,Use external PCRE library))

AC_PATH_PROG(PCRE_CONFIG, pcre-config, false)

if test -d "$with_pcre" && test -x "$with_pcre/bin/pcre-config"; then

   PCRE_CONFIG=$with_pcre/bin/pcre-config

elif test -x "$with_pcre"; then

   PCRE_CONFIG=$with_pcre

fi

if test "$PCRE_CONFIG" != "false"; then

  if $PCRE_CONFIG --version >/dev/null 2>&1; then :; else

    AC_MSG_ERROR([Did not find pcre-config script at $PCRE_CONFIG])

  fi

  case `$PCRE_CONFIG --version` in

  [[1-5].*])

    AC_MSG_ERROR([Need at least pcre version 6.0])

    ;;

  esac

  AC_MSG_NOTICE([Using external PCRE library from $PCRE_CONFIG])

  APR_ADDTO(PCRE_INCLUDES, [`$PCRE_CONFIG --cflags`])

  APR_ADDTO(PCRE_LIBS, [`$PCRE_CONFIG --libs`])

else

  AC_MSG_ERROR([pcre-config for libpcre not found. PCRE is required and available from http://pcre.org/])

fi

APACHE_SUBST(PCRE_LIBS)

AC_MSG_NOTICE([])

AC_MSG_NOTICE([Configuring Apache httpd...])

AC_MSG_NOTICE([])

dnl If the source dir is not equal to the build dir, 

dnl then we are running in VPATH mode.

APR_ADDTO(INCLUDES, [-I.])

if test "$abs_builddir" != "$abs_srcdir"; then

  APR_ADDTO(INCLUDES, [-I\$(top_builddir)/include])

fi

APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/os/\$(OS_DIR) -I\$(top_srcdir)/include])

# apr/apr-util --includes may pick up system paths for dependent

# libraries, so ensure these are later in INCLUDES than local source

# directories.

APR_ADDTO(INCLUDES, $APR_INCLUDES)

APR_ADDTO(INCLUDES, $APU_INCLUDES)

dnl Add in path to PCRE includes

APR_ADDTO(INCLUDES, $PCRE_INCLUDES)

AC_MSG_NOTICE([])

AC_MSG_NOTICE([Applying OS-specific hints for httpd...])

AC_MSG_NOTICE([])

case $host in

  *os2*)

      # Use a custom made libtool replacement

      echo "using aplibtool"

      LIBTOOL="$abs_srcdir/srclib/apr/build/aplibtool"

      SH_LIBTOOL="$LIBTOOL --shared --export-all"

      SH_LIBS="\$(ALL_LIBS)"

      CORE_IMPLIB_FILE="ApacheCoreOS2.la"

      CORE_IMPLIB="$abs_srcdir/server/$CORE_IMPLIB_FILE"

      MK_IMPLIB="emximp"

      other_targets="$other_targets os2core"

      INSTALL_PROG_FLAGS="-e .exe"

      SHLTCFLAGS=""

      LTCFLAGS=""

      ;;

  *)

      if test "x$LTFLAGS" = "x"; then

          LTFLAGS='--silent'

      fi

      my_libtool=`$apr_config --apr-libtool`

      LIBTOOL="$my_libtool \$(LTFLAGS)"

      libtoolversion=`$my_libtool --version`

      case $libtoolversion in

          *1.[[45]]* | *[[2-9]].[[0-9]]*)

              SH_LIBTOOL='$(LIBTOOL)'

              SHLTCFLAGS="-prefer-pic"

              LTCFLAGS="-prefer-non-pic -static"

              ;;

          *)

              SH_LIBTOOL='$(SHELL) $(top_builddir)/shlibtool $(LTFLAGS)'

              SHLTCFLAGS=""

              LTCFLAGS=""

              ;;

      esac

      ;;

esac

APACHE_SUBST(SHLTCFLAGS)

APACHE_SUBST(LTCFLAGS)

case $host in

  *-apple-aux3*)

      APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

      ;;

  *os2-emx*)

      APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

      ;;

  *-linux-*)

      case `uname -r` in

        # Unserialized accept() was not recommended until Linux 2.2.

        [[01]].* | 2.[[01]]* )

            ;;

        * )

            APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

            ;;

      esac

      ;;

  *486-*-bsdi* | *-netbsd* | *-freebsd* | *-apple-darwin* | *-dec-osf* | *-qnx)

      APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

      ;;

  *-solaris2*)

      dnl This is a hack -- we should be using AC_TRY_RUN instead

      ap_platform_runtime_link_flag="-R"

      dnl solaris 8 and above don't have a thundering herd

      dnl not sure about rev's before this one.

      case `uname -r` in

        5.[[567]]*)

            ;;

        * )

            APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

            ;;

      esac

      ;;

  *cygwin*)

      APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

      ;;

  *mingw32*)

      APR_ADDTO(INTERNAL_CPPFLAGS, [-DAP_DECLARE_EXPORT])

      APR_SETIFNULL(ac_cv_func_times, [no])

      APR_SETIFNULL(ac_cv_func_getpwnam, [no])

      APR_SETIFNULL(ac_cv_func_getgrnam, [no])

      ;;

  *aix*)

      aixver=`echo $host | sed 's/^[[^0-9]]*//' | sed 's/\.//g'`

      if test $aixver -ge 4320; then

        APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

      fi

      ;;

  *os390*)

      APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])

      ;;

esac

APR_SETVAR(AP_NONBLOCK_WHEN_MULTI_LISTEN, [1])

dnl

dnl Process command line arguments. This is done early in the process so the

dnl user can get feedback quickly in case of an error.

dnl

dnl ### need to move some of the arguments "up here"

dnl ## Check for programs

AC_PATH_PROG(RM, rm)

AC_PATH_PROG(PKGCONFIG, pkg-config)

AC_PATH_PROG(RSYNC, rsync)

AC_PROG_AWK

AC_PROG_LN_S

AC_CHECK_TOOL(RANLIB, ranlib, true)

dnl AC_PATH_PROG(PERL_PATH, perl)

AC_CHECK_PROGS(LYNX_PATH,[lynx links elinks], [lynx])

# Hard-coded install programs

MKINSTALLDIRS="\$(abs_srcdir)/build/mkdir.sh"

INSTALL="\$(LIBTOOL) --mode=install \$(abs_srcdir)/build/install.sh -c"

APACHE_SUBST(MKINSTALLDIRS)

APACHE_SUBST(INSTALL)

dnl Various OS checks that apparently set required flags

ifdef([AC_USE_SYSTEM_EXTENSIONS], [

AC_USE_SYSTEM_EXTENSIONS

], [

AC_AIX

AC_MINIX

])

AC_ISC_POSIX

# Ensure that satisfactory versions of apr and apr-util are 

# found if external copies are configured.

if test "${apr_found}" = "yes"; then

  # Require at least APR 1.3.x otherwise fail

  APACHE_CHECK_APxVER([apr], 1, 3)

fi

if test "${apu_found}" = "yes"; then

  # Require at least APR-util 1.3.x otherwise fail

  if test "${apr_found}" = "yes"; then

    # we need to add the APR includes to CPPFLAGS

    apu_ckver_CPPFLAGS="$CPPFLAGS"

    CPPFLAGS="$CPPFLAGS `$apr_config --includes`"

    APACHE_CHECK_APxVER([apu], 1, 3)

    CPPFLAGS="$apu_ckver_CPPFLAGS"

  else

    APACHE_CHECK_APxVER([apu], 1, 3)

  fi

fi

dnl Check for what we can generate dependency files with

APR_CHECK_DEPEND

dnl ## Check for libraries

dnl ## Check for header files

dnl I think these are just used all over the place, so just check for

dnl them at the base of the tree. If some are specific to a single

dnl directory, they should be moved (Comment #Spoon)

dnl Regarding standard header files: AC_HEADER_STDC doesn't set symbols

dnl HAVE_STRING_H, HAVE_STDLIB_H, etc., so those are checked for

dnl explicitly so that the normal HAVE_xxx_H symbol is defined.

AC_HEADER_STDC

AC_CHECK_HEADERS( \

string.h \

limits.h \

unistd.h \

sys/socket.h \

pwd.h \

grp.h \

strings.h \

sys/prctl.h \

sys/processor.h \

sys/sem.h \

sys/sdt.h \

sys/loadavg.h

)

AC_HEADER_SYS_WAIT

dnl ## Check for typedefs, structures, and compiler characteristics.

AC_C_CONST

dnl ## Check for library functions

dnl ## sqrt() only needed in support/ab.c

saved_LIBS="$LIBS"

LIBS=""

AC_SEARCH_LIBS(sqrt, m)

MATH_LIBS="$LIBS"

APACHE_SUBST(MATH_LIBS)

LIBS="$saved_LIBS"

saved_LIBS="$LIBS"

LIBS=""

AC_SEARCH_LIBS(crypt, crypt)

CRYPT_LIBS="$LIBS"

APACHE_SUBST(CRYPT_LIBS)

LIBS="$saved_LIBS"

dnl See Comment #Spoon

AC_CHECK_FUNCS( \

getpwnam \

getgrnam \

initgroups \

bindprocessor \

prctl \

timegm \

getpgid \

fopen64 \

getloadavg

)

dnl confirm that a void pointer is large enough to store a long integer

APACHE_CHECK_VOID_PTR_LEN

AC_CACHE_CHECK([for gettid()], ac_cv_gettid,

[AC_TRY_RUN(#define _GNU_SOURCE

#include <unistd.h>

#include <sys/syscall.h>

#include <sys/types.h>

int main(int argc, char **argv) {

pid_t t = syscall(SYS_gettid); return t == -1 ? 1 : 0; },

[ac_cv_gettid=yes], [ac_cv_gettid=no], [ac_cv_gettid=no])])

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

    AC_DEFINE(HAVE_GETTID, 1, [Define if you have gettid()])

fi

dnl ## Check for the tm_gmtoff field in struct tm to get the timezone diffs

AC_CACHE_CHECK([for tm_gmtoff in struct tm], ac_cv_struct_tm_gmtoff,

[AC_TRY_COMPILE([#include <sys/types.h>

#include <time.h>], [struct tm tm; tm.tm_gmtoff;],

  ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no)])

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

    AC_DEFINE(HAVE_GMTOFF, 1, [Define if struct tm has a tm_gmtoff field])

fi

dnl ## Set up any appropriate OS-specific environment variables for apachectl

case $host in

    *aix*)

        # for 32-bit builds, increase MAXDATA to allow lots of threads

        if test x$OBJECT_MODE != x64; then

            OS_SPECIFIC_VARS="LDR_CNTRL=\"MAXDATA=0x80000000\" ; export LDR_CNTRL ;"

        fi

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS AIXTHREAD_SCOPE=S ; export AIXTHREAD_SCOPE"

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; AIXTHREAD_MUTEX_DEBUG=OFF ; export AIXTHREAD_MUTEX_DEBUG"

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; AIXTHREAD_RWLOCK_DEBUG=OFF ; export AIXTHREAD_RWLOCK_DEBUG"

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; AIXTHREAD_COND_DEBUG=OFF ; export AIXTHREAD_COND_DEBUG"

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; SPINLOOPTIME=1000 ; export SPINLOOPTIME"

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; YIELDLOOPTIME=8 ; export YIELDLOOPTIME"

        OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; MALLOCMULTIHEAP=considersize,heaps:8 ; export MALLOCMULTIHEAP"

        ;;

    *os390*)

        OS_SPECIFIC_VARS="export _CEE_RUNOPTS=\"STACK(,,ANY)\" ; export _EDC_ADD_ERRNO2=1"

        ;;

    *)

        OS_SPECIFIC_VARS=""

esac

AC_ARG_WITH(port,APACHE_HELP_STRING(--with-port=PORT,Port on which to listen (default is 80)),

        [if test "$withval" = "yes"; then AC_MSG_ERROR('option --with-port requires a value (the TCP port number)'); else PORT="$withval"; fi],

	[PORT=80])

AC_ARG_WITH(sslport,APACHE_HELP_STRING(--with-sslport=SSLPORT,Port on which to securelisten (default is 443)),

        [if test "$withval" = "yes"; then AC_MSG_ERROR('option --with-sslport requires a value (the SSL TCP port number)'); else SSLPORT="$withval"; fi],

	[SSLPORT=443])

DTRACE=true

AC_ARG_ENABLE(dtrace,APACHE_HELP_STRING(--enable-dtrace,Enable DTrace probes),

[

  enable_dtrace=$enableval

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

    APR_ADDTO(CPPFLAGS, -DAPR_DTRACE_PROVIDER)

    AC_MSG_ERROR('DTrace Support in the build system is not complete. Patches Welcome!')

  fi

],

[

  enable_dtrace=no

])

dnl Disabled dtrace build for now.

enable_dtrace=no

case $host in

  *-solaris2*)

    if test $enable_dtrace = "yes" -a "$ac_cv_header_sys_sdt_h" = "yes"; then

        AC_DEFINE(AP_ENABLE_DTRACE, 1,

                  [Enable DTrace probes])

        DTRACE="/usr/sbin/dtrace $DTRACEFLAGS"

        test -f include/apache_probes.h || $DTRACE -h -s apache_probes.d -o include/apache_probes.h

    fi

    ;;

esac

APACHE_SUBST(DTRACE)

AC_ARG_ENABLE(hook-probes,APACHE_HELP_STRING(--enable-hook-probes,Enable APR hook probes),

[

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

        AC_DEFINE(AP_HOOK_PROBES_ENABLED, 1,

                  [Enable the APR hook probes capability, reading from ap_hook_probes.h])

        APR_ADDTO(INTERNAL_CPPFLAGS, -DAP_HOOK_PROBES_ENABLED)

    fi

])dnl

AC_ARG_ENABLE(exception-hook,APACHE_HELP_STRING(--enable-exception-hook,Enable fatal exception hook),

[

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

        AC_DEFINE(AP_ENABLE_EXCEPTION_HOOK, 1,

                  [Allow modules to run hook after a fatal exception])

    fi

])dnl

AC_ARG_ENABLE(load-all-modules,APACHE_HELP_STRING(--enable-load-all-modules,Load all modules),

[

  LOAD_ALL_MODULES=$enableval

  AC_MSG_NOTICE([Setting "LOAD_ALL_MODULES" to $LOAD_ALL_MODULES])

],

[

  LOAD_ALL_MODULES="no"

])

AC_ARG_ENABLE(maintainer-mode,APACHE_HELP_STRING(--enable-maintainer-mode,Turn on debugging and compile time warnings and load all compiled modules),

[

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

    APR_ADDTO(NOTEST_CPPFLAGS, -DAP_DEBUG)

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

      APACHE_ADD_GCC_CFLAG([-std=c89])

      APACHE_ADD_GCC_CFLAG([-Werror])

      APACHE_ADD_GCC_CFLAG([-Wall])

      APACHE_ADD_GCC_CFLAG([-Wstrict-prototypes])

      APACHE_ADD_GCC_CFLAG([-Wmissing-prototypes])

      APACHE_ADD_GCC_CFLAG([-Wmissing-declarations])

      APACHE_ADD_GCC_CFLAG([-Wdeclaration-after-statement])

      APACHE_ADD_GCC_CFLAG([-Wpointer-arith])

      APACHE_ADD_GCC_CFLAG([-Wformat])

      APACHE_ADD_GCC_CFLAG([-Wformat-security])

      APACHE_ADD_GCC_CFLAG([-Wunused])

    elif test "$AIX_XLC" = "yes"; then

      APR_ADDTO(NOTEST_CFLAGS,-qfullpath -qinitauto=FE -qcheck=all -qinfo=pro)

    fi

    if test "x$enable_load_all_modules" = "x"; then

      LOAD_ALL_MODULES=yes

      AC_MSG_NOTICE([Maintainer mode setting "LOAD_ALL_MODULES" to $LOAD_ALL_MODULES])

    fi

    if test "x$enable_bucketeer" = "x"; then

      enable_bucketeer=yes

      AC_MSG_NOTICE([Maintainer mode setting "enable_bucketeer" to yes])

    fi

  fi

])dnl

AC_ARG_ENABLE(debugger-mode,APACHE_HELP_STRING(--enable-debugger-mode,Turn on debugging and compile time warnings and turn off optimization),

[

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

    APR_ADDTO(NOTEST_CPPFLAGS, -DAP_DEBUG)

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

      APACHE_ADD_GCC_CFLAG([-O0])

      APACHE_ADD_GCC_CFLAG([-Wall])

      APACHE_ADD_GCC_CFLAG([-Wstrict-prototypes])

      APACHE_ADD_GCC_CFLAG([-Wmissing-prototypes])

      APACHE_ADD_GCC_CFLAG([-Wmissing-declarations])

      APACHE_ADD_GCC_CFLAG([-Wdeclaration-after-statement])

      APACHE_ADD_GCC_CFLAG([-Werror=declaration-after-statement])

      APACHE_ADD_GCC_CFLAG([-Wpointer-arith])

      APACHE_ADD_GCC_CFLAG([-Wformat])

      APACHE_ADD_GCC_CFLAG([-Wformat-security])

      APACHE_ADD_GCC_CFLAG([-Werror=format-security])

    elif test "$AIX_XLC" = "yes"; then

      APR_ADDTO(NOTEST_CFLAGS,-qfullpath -qinitauto=FE -qcheck=all -qinfo=pro)

    fi

  fi

])dnl

dnl Conditionally enable PIE support for GNU toolchains.

AC_ARG_ENABLE(pie,APACHE_HELP_STRING(--enable-pie,Build httpd as a Position Independent Executable))

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

   AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [

     save_CFLAGS=$CFLAGS

     save_LDFLAGS=$LDFLAGS

     CFLAGS="$CFLAGS -fPIE"

     LDFLAGS="$LDFLAGS -pie"

     AC_TRY_RUN([static int foo[30000]; int main () { return 0; }],

      [ap_cv_cc_pie=yes], [ap_cv_cc_pie=no], [ap_cv_cc_pie=yes])

     CFLAGS=$save_CFLAGS

     LDFLAGS=$save_LDFLAGS

   ])

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

     PICFLAGS="-fPIE"

     PILDFLAGS="-pie"

   else

     AC_ERROR([--enable-pie requested but $CC failed using PIE flags])

   fi

fi

APACHE_SUBST(PICFLAGS)

APACHE_SUBST(PILDFLAGS)

prefix="$orig_prefix"

APACHE_ENABLE_MODULES

dnl reading config stubs

esyscmd(./build/config-stubs .)

APACHE_SUBST(progname)

APACHE_SUBST(OS)

APACHE_SUBST(OS_DIR)

APACHE_SUBST(BUILTIN_LIBS)

APACHE_SUBST(SHLIBPATH_VAR)

APACHE_SUBST(OS_SPECIFIC_VARS)

PRE_SHARED_CMDS='echo ""'

POST_SHARED_CMDS='echo ""'

dnl apache_need_shared tells us if Apache modules are being built as DSOs

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

  if test -f $ac_aux_dir/ltconfig; then

    $SHELL $ac_aux_dir/ltconfig --output=shlibtool --disable-static --srcdir=$ac_aux_dir --cache-file=./config.cache $ac_aux_dir/ltmain.sh

  fi

  shared_build="shared-build"

fi

dnl enable_so tells us if *any* modules can be built as DSOs

if test "$enable_so" = "yes" -o "$enable_so" = "static"; then

  case $host in

    *-ibm-aix*)

      APR_ADDTO(HTTPD_LDFLAGS, [-Wl,-uXML_Parse -Wl,-bE:$abs_builddir/server/httpd.exp])

      APR_ADDTO(SH_LDFLAGS, [\$(EXTRA_LDFLAGS) \$(EXTRA_LIBS)])

      APR_ADDTO(UTIL_LDFLAGS, [-Wl,-uXML_Parse])

      ;;

    *os390)

      APR_ADDTO(HTTPD_LDFLAGS, [--main=$abs_srcdir/server/main.o --core-dll=$abs_srcdir/apachecore.dll])

      APR_ADDTO(SH_LDFLAGS, [--core-dll=$abs_srcdir/apachecore.dll])

  esac

  MOD_SO_ENABLED=yes

fi

AC_SUBST(MOD_SO_ENABLED)

APACHE_SUBST(PRE_SHARED_CMDS)

APACHE_SUBST(POST_SHARED_CMDS)

APACHE_SUBST(shared_build)

AC_ARG_WITH(program-name,

APACHE_HELP_STRING(--with-program-name,alternate executable name),[

  progname="$withval" ], [

  progname="httpd"] )

# SuExec parameters

AC_ARG_WITH(suexec-bin,

APACHE_HELP_STRING(--with-suexec-bin,Path to suexec binary),[

  AC_DEFINE_UNQUOTED(SUEXEC_BIN, "$withval", [Path to suexec binary] )

] )

AC_ARG_WITH(suexec-caller,

APACHE_HELP_STRING(--with-suexec-caller,User allowed to call SuExec),[

  AC_DEFINE_UNQUOTED(AP_HTTPD_USER, "$withval", [User allowed to call SuExec] ) ] )

AC_ARG_WITH(suexec-userdir,

APACHE_HELP_STRING(--with-suexec-userdir,User subdirectory),[

  AC_DEFINE_UNQUOTED(AP_USERDIR_SUFFIX, "$withval", [User subdirectory] ) ] )

AC_ARG_WITH(suexec-docroot,

APACHE_HELP_STRING(--with-suexec-docroot,SuExec root directory),[

  AC_DEFINE_UNQUOTED(AP_DOC_ROOT, "$withval", [SuExec root directory] ) ] )

AC_ARG_WITH(suexec-uidmin,

APACHE_HELP_STRING(--with-suexec-uidmin,Minimal allowed UID),[

  AC_DEFINE_UNQUOTED(AP_UID_MIN, $withval, [Minimum allowed UID] ) ] )

AC_ARG_WITH(suexec-gidmin,

APACHE_HELP_STRING(--with-suexec-gidmin,Minimal allowed GID),[

  AC_DEFINE_UNQUOTED(AP_GID_MIN, $withval, [Minimum allowed GID] ) ] )

AC_ARG_WITH(suexec-logfile,

APACHE_HELP_STRING(--with-suexec-logfile,Set the logfile),[

  if test "x$withval" = "xyes"; then

    AC_MSG_ERROR([log filename required for --with-suexec-logfile option])

  elif test "x$withval" != "xno"; then

    AC_DEFINE_UNQUOTED(AP_LOG_EXEC, "$withval", [SuExec log file])

  fi

])

AC_ARG_WITH(suexec-syslog,

APACHE_HELP_STRING(--with-suexec-syslog,Use syslog for suexec logging),[

  if test $withval = "yes"; then

    if test "x${with_suexec_logfile}" != "xno"; then

      AC_MSG_NOTICE([hint: use "--without-suexec-logfile --with-suexec-syslog"])

      AC_MSG_ERROR([suexec does not support both logging to file and syslog])

    fi

    AC_CHECK_FUNCS([vsyslog], [], [

       AC_MSG_ERROR([cannot support syslog from suexec without vsyslog()])])

    AC_DEFINE(AP_LOG_SYSLOG, 1, [SuExec log to syslog])

  fi    

])

AC_ARG_WITH(suexec-safepath,

APACHE_HELP_STRING(--with-suexec-safepath,Set the safepath),[

  AC_DEFINE_UNQUOTED(AP_SAFE_PATH, "$withval", [safe shell path for SuExec] ) ] )

AC_ARG_WITH(suexec-umask,

APACHE_HELP_STRING(--with-suexec-umask,umask for suexec'd process),[

  AC_DEFINE_UNQUOTED(AP_SUEXEC_UMASK, 0$withval, [umask for suexec'd process] ) ] )

INSTALL_SUEXEC=setuid

AC_ARG_ENABLE([suexec-capabilities], 

APACHE_HELP_STRING(--enable-suexec-capabilities,Use Linux capability bits not setuid root suexec), [

INSTALL_SUEXEC=caps

AC_DEFINE(AP_SUEXEC_CAPABILITIES, 1, 

          [Enable if suexec is installed with Linux capabilities, not setuid])

])

APACHE_SUBST(INSTALL_SUEXEC)

dnl APR should go after the other libs, so the right symbols can be picked up

if test x${apu_found} != xobsolete; then

  AP_LIBS="$AP_LIBS `$apu_config --avoid-ldap --link-libtool --libs`"

fi

AP_LIBS="$AP_LIBS `$apr_config --link-libtool --libs`" 

APACHE_SUBST(AP_LIBS)

APACHE_SUBST(AP_BUILD_SRCLIB_DIRS)

APACHE_SUBST(AP_CLEAN_SRCLIB_DIRS)

AC_DEFINE(AP_USING_AUTOCONF, 1,

		[Using autoconf to configure Apache])

if test "$SINGLE_LISTEN_UNSERIALIZED_ACCEPT" = "1"; then

    AC_DEFINE(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, 1, 

              [This platform doesn't suffer from the thundering herd problem])

fi

if test "$AP_NONBLOCK_WHEN_MULTI_LISTEN" = "1"; then

    AC_DEFINE(AP_NONBLOCK_WHEN_MULTI_LISTEN, 1, 

              [Listening sockets are non-blocking when there are more than 1])

fi

APR_CHECK_APR_DEFINE(APR_HAVE_IPV6)

AC_ARG_ENABLE(v4-mapped,APACHE_HELP_STRING(--enable-v4-mapped,Allow IPv6 sockets to handle IPv4 connections),

[ 

  v4mapped=$enableval

],

[

    case $host in

    *freebsd[[1234]].*)

        v4mapped=yes

        ;;

    *freebsd*|*netbsd*|*openbsd*)

        v4mapped=no

        ;;

    *)

        v4mapped=yes

        ;;

    esac

    if ap_mpm_is_enabled winnt; then

        dnl WinNT MPM doesn't support this.

        v4mapped=no

    fi

])

if test $v4mapped = "yes" -a $ac_cv_define_APR_HAVE_IPV6 = "yes"; then

    AC_DEFINE(AP_ENABLE_V4_MAPPED, 1,

              [Allow IPv4 connections on IPv6 listening sockets])

fi

APACHE_FAST_OUTPUT(Makefile modules/Makefile srclib/Makefile) 

APACHE_FAST_OUTPUT(os/Makefile server/Makefile)

APACHE_FAST_OUTPUT(support/Makefile)

if test -d ./test; then

    APACHE_FAST_OUTPUT(test/Makefile)

fi

dnl ## Finalize the variables

AC_MSG_NOTICE([])

AC_MSG_NOTICE([Restore user-defined environment settings...])

AC_MSG_NOTICE([])

APACHE_CONF_SEL_CC=${CC}

APACHE_CONF_SEL_CFLAGS="${CFLAGS} ${EXTRA_CFLAGS} ${NOTEST_CFLAGS}"

APACHE_CONF_SEL_CPPFLAGS="${CPPFLAGS} ${EXTRA_CPPFLAGS} ${NOTEST_CPPFLAGS}"

APACHE_CONF_SEL_LDFLAGS="${LDFLAGS} ${EXTRA_LDFLAGS} ${NOTEST_LDFLAGS}"

APACHE_CONF_SEL_LIBS="${LIBS} ${EXTRA_LIBS} ${NOTEST_LIBS}"

APACHE_CONF_SEL_CPP=${CPP}

APR_RESTORE_THE_ENVIRONMENT(CPPFLAGS, EXTRA_)

APR_RESTORE_THE_ENVIRONMENT(CFLAGS, EXTRA_)

APR_RESTORE_THE_ENVIRONMENT(CXXFLAGS, EXTRA_)

APR_RESTORE_THE_ENVIRONMENT(LDFLAGS, EXTRA_)

APR_RESTORE_THE_ENVIRONMENT(LIBS, EXTRA_)

APR_RESTORE_THE_ENVIRONMENT(INCLUDES, EXTRA_)

AC_MSG_NOTICE([])

AC_MSG_NOTICE([Construct makefiles and header files...])

AC_MSG_NOTICE([])

APACHE_GEN_CONFIG_VARS

dnl ## Build modules.c

rm -f modules.c

echo $MODLIST | $AWK -f $srcdir/build/build-modules-c.awk > modules.c

APR_EXPAND_VAR(ap_prefix, $prefix)

AC_DEFINE_UNQUOTED(HTTPD_ROOT, "${ap_prefix}",

	[Root directory of the Apache install area])

AC_DEFINE_UNQUOTED(SERVER_CONFIG_FILE, "${rel_sysconfdir}/${progname}.conf",

	[Location of the config file, relative to the Apache root directory])

AC_DEFINE_UNQUOTED(AP_TYPES_CONFIG_FILE, "${rel_sysconfdir}/mime.types",

	[Location of the MIME types config file, relative to the Apache root directory])