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configure.ac
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configure.ac
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dnl
dnl Autoconf configuration file for APR
dnl
dnl Process this file with autoconf to produce a configure script.
dnl Use ./buildconf to prepare build files and run autoconf for APR.
AC_PREREQ(2.50)
AC_INIT(build/apr_common.m4)
AC_CONFIG_HEADER(include/arch/unix/apr_private.h)
AC_CONFIG_AUX_DIR(build)
dnl
dnl Include our own M4 macros along with those for libtool
dnl
sinclude(build/apr_common.m4)
sinclude(build/apr_network.m4)
sinclude(build/apr_threads.m4)
sinclude(build/apr_hints.m4)
sinclude(build/libtool.m4)
sinclude(build/ltsugar.m4)
CFLAGS="$CFLAGS $CONFIGURE_CFLAGS"
CXXFLAGS="$CXXFLAGS $CONFIGURE_CXXFLAGS"
LDFLAGS="$LDFLAGS $CONFIGURE_LDFLAGS"
dnl Hard-coded inclusion at the tail end of apr_private.h:
AH_BOTTOM([
/* switch this on if we have a BeOS version below BONE */
#if BEOS && !HAVE_BONE_VERSION
#define BEOS_R5 1
#else
#define BEOS_BONE 1
#endif
/*
* Include common private declarations.
*/
#include "../apr_private_common.h"
])
dnl Save user-defined environment settings for later restoration
dnl
APR_SAVE_THE_ENVIRONMENT(CPPFLAGS)
APR_SAVE_THE_ENVIRONMENT(CFLAGS)
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)
AC_CANONICAL_SYSTEM
echo "Configuring APR library"
echo "Platform: $host"
dnl Some initial steps for configuration. We setup the default directory
dnl and which files are to be configured.
dnl Setup the directory macros now
# Absolute source/build directory
apr_srcdir=`(cd $srcdir && pwd)`
apr_builddir=`pwd`
AC_SUBST(apr_srcdir)
AC_SUBST(apr_builddir)
if test "$apr_builddir" != "$apr_srcdir"; then
USE_VPATH=1
APR_CONFIG_LOCATION=build
else
APR_CONFIG_LOCATION=source
fi
AC_SUBST(APR_CONFIG_LOCATION)
# Libtool might need this symbol -- it must point to the location of
# the generated libtool script (not necessarily the "top" build dir).
#
top_builddir="$apr_builddir"
AC_SUBST(top_builddir)
# Directory containing apr build macros, helpers, and make rules
# NOTE: make rules (apr_rules.mk) will be in the builddir for vpath
#
apr_buildout=$apr_builddir/build
apr_builders=$apr_srcdir/build
AC_SUBST(apr_builders)
MKDIR=$apr_builders/mkdir.sh
dnl Initialize mkdir -p functionality.
APR_MKDIR_P_CHECK($apr_builders/mkdir.sh)
# get our version information
get_version="$apr_builders/get-version.sh"
version_hdr="$apr_srcdir/include/apr_version.h"
APR_MAJOR_VERSION="`$get_version major $version_hdr APR`"
APR_DOTTED_VERSION="`$get_version all $version_hdr APR`"
AC_SUBST(APR_DOTTED_VERSION)
AC_SUBST(APR_MAJOR_VERSION)
echo "APR Version: ${APR_DOTTED_VERSION}"
dnl Enable the layout handling code, then reparse the prefix-style
dnl arguments due to autoconf being a PITA.
APR_ENABLE_LAYOUT(apr)
APR_PARSE_ARGUMENTS
dnl Set optional CC hints here in case autoconf makes an inappropriate choice.
dnl This allows us to suggest what the compiler should be, but still
dnl allows the user to override CC externally.
APR_CC_HINTS
dnl Do the various CC checks *before* preloading values. The preload code
dnl may need to use compiler characteristics to make decisions. This macro
dnl can only be used once within a configure script, so this prevents a
dnl preload section from invoking the macro to get compiler info.
AC_PROG_CC
#Check for compiler vendor
AX_COMPILER_VENDOR
dnl Preload
APR_PRELOAD
dnl These added to allow default directories to be used...
DEFAULT_OSDIR="unix"
echo "(Default will be ${DEFAULT_OSDIR})"
apr_modules="file_io network_io threadproc misc locks time mmap shmem user memory atomic poll support random"
dnl Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CPP
AC_PROG_AWK
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_CHECK_PROG(RM, rm, rm)
AC_CHECK_PROG(AS, as, as)
AC_CHECK_PROG(ASCPP, cpp, cpp)
AC_CHECK_TOOL(AR, ar, ar)
dnl Various OS checks that apparently set required flags
AC_AIX
AC_ISC_POSIX
AC_MINIX
APR_EBCDIC
dnl this is our library name
APR_LIBNAME="apr${libsuffix}"
AC_SUBST(APR_LIBNAME)
dnl prep libtool
dnl
echo "performing libtool configuration..."
AC_ARG_ENABLE(experimental-libtool,[ --enable-experimental-libtool Use experimental custom libtool],
[experimental_libtool=$enableval],[experimental_libtool=no])
case $host in
*-os2*)
# Use a custom-made libtool replacement
echo "using aplibtool"
LIBTOOL="$srcdir/build/aplibtool"
gcc $CFLAGS $CPPFLAGS -o $LIBTOOL.exe $LIBTOOL.c
;;
*)
if test "x$LTFLAGS" = "x"; then
LTFLAGS='--silent'
fi
if test "$experimental_libtool" = "yes"; then
# Use a custom-made libtool replacement
echo "using jlibtool"
LIBTOOL="$apr_builddir/libtool"
LIBTOOL_SRC="$apr_srcdir/build/jlibtool.c"
$CC $CFLAGS $CPPFLAGS -o $LIBTOOL $LIBTOOL_SRC
eval `$apr_builddir/libtool --config | grep "^shlibpath_var=[[A-Z_]]*$"`
if test "x$shlibpath_var" = "x"; then
shlibpath_var=REPLACE_WITH_YOUR_SHLIBPATH_VAR
fi
else
dnl libtoolize requires that the following not be indented
AC_PROG_LIBTOOL
# get libtool's setting of shlibpath_var
eval `grep "^shlibpath_var=[[A-Z_]]*$" $apr_builddir/libtool`
if test "x$shlibpath_var" = "x"; then
shlibpath_var=REPLACE_WITH_YOUR_SHLIBPATH_VAR
fi
fi
;;
esac
AC_ARG_WITH(installbuilddir, [ --with-installbuilddir=DIR location to store APR build files (defaults to '${datadir}/build')],
[ installbuilddir=$withval ], [ installbuilddir="${datadir}/build-${APR_MAJOR_VERSION}" ] )
AC_SUBST(installbuilddir)
AC_ARG_WITH(libtool, [ --without-libtool avoid using libtool to link the library],
[ use_libtool=$withval ], [ use_libtool="yes" ] )
if test "x$use_libtool" = "xyes"; then
lt_compile='$(LIBTOOL) $(LTFLAGS) --mode=compile $(COMPILE) -o $@ -c $< && touch $@'
lt_version="-version-info `$get_version libtool $version_hdr APR`"
link="\$(LIBTOOL) \$(LTFLAGS) --mode=link \$(LT_LDFLAGS) \$(COMPILE) ${lt_version} \$(ALL_LDFLAGS) -o \$@"
so_ext='lo'
lib_target='-rpath $(libdir) $(OBJECTS)'
export_lib_target='-rpath \$(libdir) \$(OBJECTS)'
else
lt_compile='$(COMPILE) -o $@ -c $<'
link='$(AR) cr $(TARGET_LIB) $(OBJECTS); $(RANLIB) $(TARGET_LIB)'
so_ext='o'
lib_target=''
export_lib_target=''
fi
case $host in
*-solaris2*)
apr_platform_runtime_link_flag="-R"
;;
*)
;;
esac
AC_SUBST(lt_compile)
AC_SUBST(link)
AC_SUBST(so_ext)
AC_SUBST(lib_target)
AC_SUBST(export_lib_target)
AC_SUBST(shlibpath_var)
AC_SUBST(LTFLAGS)
AC_SUBST(LT_LDFLAGS)
dnl ----------------------------- Checks for compiler flags
nl='
'
echo "${nl}Check for compiler flags..."
dnl AC_PROG_CC sets -g in CFLAGS (and -O2 for gcc) by default.
dnl On OS/390 this causes the compiler to insert extra debugger
dnl hook instructions. That's fine for debug/maintainer builds, not fine
dnl otherwise.
case $host in
*os390)
if test "$ac_test_CFLAGS" != set; then
APR_REMOVEFROM(CFLAGS,-g)
fi
;;
esac
AC_ARG_ENABLE(debug,[ --enable-debug Turn on debugging and compile time warnings],
[APR_ADDTO(CFLAGS,-g)
if test "$GCC" = "yes"; then
APR_ADDTO(CFLAGS,-Wall)
elif test "$AIX_XLC" = "yes"; then
APR_ADDTO(CFLAGS,-qfullpath)
fi
])dnl
# Enable 64 bit build
AC_ARG_ENABLE(64,
[AC_HELP_STRING([--enable-64],[build with 64 bit support])],[enable_64="$enable_64"],[enable_64="no"])
# tweak compiler specific flags
if test "x${ax_cv_c_compiler_vendor}" = "xsun" ; then
if test "${enable_64}" = "yes"; then
APR_ADDTO(CFLAGS, -m64)
fi
fi
AC_ARG_ENABLE(maintainer-mode,[ --enable-maintainer-mode Turn on debugging and compile time warnings],
[APR_ADDTO(CFLAGS,-g)
if test "$GCC" = "yes"; then
APR_ADDTO(CFLAGS,[-Wall -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations])
elif test "$AIX_XLC" = "yes"; then
APR_ADDTO(CFLAGS,-qfullpath -qinitauto=FE -qcheck=all -qinfo=pro)
fi
])dnl
AC_ARG_ENABLE(profile,[ --enable-profile Turn on profiling for the build (GCC)],
if test "$GCC" = "yes"; then
APR_ADDTO(CFLAGS, -pg)
APR_REMOVEFROM(CFLAGS, -g)
if test "$host" = "i586-pc-beos"; then
APR_REMOVEFROM(CFLAGS, -O2)
APR_ADDTO(CFLAGS, -O1)
APR_ADDTO(LDFLAGS, -p)
fi
fi
)dnl
AC_ARG_ENABLE(pool-debug,
[ --enable-pool-debug[[=yes|no|verbose|verbose-alloc|lifetime|owner|all]] Turn on pools debugging],
[ if test -z "$enableval"; then
APR_ADDTO(CPPFLAGS, -DAPR_POOL_DEBUG=1)
elif test ! "$enableval" = "no"; then
apr_pool_debug=1
for i in $enableval
do
flag=0
case $i in
yes)
flag=1
;;
verbose)
flag=2
;;
lifetime)
flag=4
;;
owner)
flag=8
;;
verbose-alloc)
flag=16
;;
all)
apr_pool_debug=31
;;
*)
;;
esac
if test $flag -gt 0; then
apr_pool_debug=`expr '(' $apr_pool_debug - $apr_pool_debug % \
'(' $flag '*' 2 ')' ')' + $flag + $apr_pool_debug % $flag`
fi
done
APR_ADDTO(CPPFLAGS, -DAPR_POOL_DEBUG=$apr_pool_debug)
fi
])
if test "$host" = "i586-pc-beos"; then
AC_ARG_ENABLE(malloc-debug,[ --enable-malloc-debug Switch on malloc_debug for BeOS],
APR_REMOVEFROM(CFLAGS, -O2)
APR_ADDTO(CPPFLAGS, -fcheck-memory-usage -D_KERNEL_MODE)
) dnl
fi
# this is the place to put specific options for platform/compiler
# combinations
case "$host:$CC" in
*-hp-hpux*:cc )
APR_ADDTO(CFLAGS,[-Ae +Z])
case $host in
ia64-* )
;;
* )
if echo "$CFLAGS " | grep '+DA' >/dev/null; then :
else
APR_ADDTO(CFLAGS,[+DAportable])
fi
;;
esac
;;
powerpc-*-beos:mwcc* )
APR_SETVAR(CPP,[mwcc -E])
APR_SETVAR(CC,mwcc)
APR_SETVAR(AR,ar)
;;
esac
dnl Check the depend program we can use
APR_CHECK_DEPEND
proc_mutex_is_global=0
config_subdirs="none"
INSTALL_SUBDIRS="none"
OBJECTS_PLATFORM='$(OBJECTS_unix)'
case $host in
i386-ibm-aix* | *-ibm-aix[1-2].* | *-ibm-aix3.* | *-ibm-aix4.1 | *-ibm-aix4.1.* | *-ibm-aix4.2 | *-ibm-aix4.2.*)
OSDIR="aix"
APR_ADDTO(LDFLAGS,-lld)
eolstr="\\n"
OBJECTS_PLATFORM='$(OBJECTS_aix)'
;;
*-os2*)
APR_ADDTO(CPPFLAGS,-DOS2)
APR_ADDTO(CFLAGS,-Zmt)
AC_CHECK_LIB(bsd, random)
OSDIR="os2"
enable_threads="system_threads"
eolstr="\\r\\n"
file_as_socket="0"
proc_mutex_is_global=1
OBJECTS_PLATFORM='$(OBJECTS_os2)'
;;
*beos*)
OSDIR="beos"
APR_ADDTO(CPPFLAGS,-DBEOS)
enable_threads="system_threads"
native_mmap_emul="1"
APR_CHECK_DEFINE(BONE_VERSION, sys/socket.h)
eolstr="\\n"
osver=`uname -r`
proc_mutex_is_global=1
OBJECTS_PLATFORM='$(OBJECTS_beos)'
case $osver in
5.0.4)
file_as_socket="1"
;;
*)
file_as_socket="0"
;;
esac
;;
*os390)
OSDIR="os390"
OBJECTS_PLATFORM='$(OBJECTS_os390)'
eolstr="\\n"
;;
*os400)
OSDIR="as400"
eolstr="\\n"
;;
*cygwin*)
OSDIR="unix"
APR_ADDTO(CPPFLAGS,-DCYGWIN)
enable_threads="no"
eolstr="\\n"
;;
*hpux10* )
enable_threads="no"
OSDIR="unix"
eolstr="\\n"
;;
*)
OSDIR="unix"
eolstr="\\n"
;;
esac
AC_SUBST(OBJECTS_PLATFORM)
# Check whether LFS has explicitly been disabled
AC_ARG_ENABLE(lfs,[ --disable-lfs Disable large file support on 32-bit platforms],
[apr_lfs_choice=$enableval], [apr_lfs_choice=yes])
if test "$apr_lfs_choice" = "yes"; then
# Check whether the transitional LFS API is sufficient
AC_CACHE_CHECK([whether to enable -D_LARGEFILE64_SOURCE], [apr_cv_use_lfs64], [
apr_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
int main(void)
{
int fd, ret = 0;
struct stat64 st;
off64_t off = 4242;
if (sizeof(off64_t) != 8 || sizeof(off_t) != 4)
exit(1);
if ((fd = open("conftest.lfs", O_LARGEFILE|O_CREAT|O_WRONLY)) < 0)
exit(2);
if (ftruncate64(fd, off) != 0)
ret = 3;
else if (fstat64(fd, &st) != 0 || st.st_size != off)
ret = 4;
else if (lseek64(fd, off, SEEK_SET) != off)
ret = 5;
else if (close(fd) != 0)
ret = 6;
else if (lstat64("conftest.lfs", &st) != 0 || st.st_size != off)
ret = 7;
else if (stat64("conftest.lfs", &st) != 0 || st.st_size != off)
ret = 8;
unlink("conftest.lfs");
exit(ret);
}], [apr_cv_use_lfs64=yes], [apr_cv_use_lfs64=no], [apr_cv_use_lfs64=no])
CPPFLAGS=$apr_save_CPPFLAGS])
if test "$apr_cv_use_lfs64" = "yes"; then
APR_ADDTO(CPPFLAGS, [-D_LARGEFILE64_SOURCE])
fi
fi
AC_ARG_ENABLE(nonportable-atomics,
[ --enable-nonportable-atomics Use optimized atomic code which may produce nonportable binaries],
[if test $enableval = yes; then
force_generic_atomics=no
else
force_generic_atomics=yes
fi
],
[case $host_cpu in
i[[456]]86) force_generic_atomics=yes ;;
*) force_generic_atomics=no ;;
esac
])
if test $force_generic_atomics = yes; then
AC_DEFINE([USE_GENERIC_ATOMICS], 1,
[Define if use of generic atomics is requested])
fi
AC_SUBST(proc_mutex_is_global)
AC_SUBST(eolstr)
AC_SUBST(INSTALL_SUBDIRS)
# For some platforms we need a version string which allows easy numeric
# comparisons.
case $host in
*freebsd*)
if test -x /sbin/sysctl; then
os_version=`/sbin/sysctl -n kern.osreldate`
else
os_version=000000
fi
;;
*linux*)
os_version=`uname -r | sed -e 's/\(.\)\.\(.\)\.\(.\).*/\1\2\3/'`
;;
*darwin*)
os_version=`uname -r | sed -e 's/\(.\)\.\(.\).*/\1\2/'`
;;
*)
os_version=OS_VERSION_IS_NOT_SET
;;
esac
echo "${nl}Checking for libraries..."
dnl ----------------------------- Checks for Any required Libraries
dnl Note: Autoconf will always append LIBS with an extra " " in AC_CHECK_LIB.
dnl It should check for LIBS being empty and set LIBS equal to the new value
dnl without the extra " " in that case, but they didn't do that. So, we
dnl end up LIBS="-lm -lcrypt -lnsl -ldl" which is an annoyance.
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(gethostname, nsl)
AC_SEARCH_LIBS(socket, socket)
AC_SEARCH_LIBS(crypt, crypt ufc)
AC_CHECK_LIB(truerand, main)
AC_SEARCH_LIBS(modf, m)
AC_CHECK_LIB(dl, dlopen)
dnl ----------------------------- Checking for Threads
echo "${nl}Checking for Threads..."
if test -z "$enable_threads"; then
AC_ARG_ENABLE(threads,
[ --enable-threads Enable threading support in APR.],
[ enable_threads=$enableval] ,
[ APR_CHECK_PTHREADS_H([ enable_threads="pthread" ] ,
[ enable_threads="no" ] ) ] )
fi
if test "$enable_threads" = "no"; then
threads="0"
pthreadh="0"
pthreadser="0"
else
if test "$enable_threads" = "pthread"; then
# We have specified pthreads for our threading library, just make sure
# that we have everything we need
APR_PTHREADS_CHECK_SAVE
APR_PTHREADS_CHECK
APR_CHECK_PTHREADS_H([
threads="1"
pthreadh="1"
pthreadser="1" ], [
threads="0"
pthreadh="0"
pthreadser="0"
APR_PTHREADS_CHECK_RESTORE ] )
elif test "$enable_threads" = "system_threads"; then
threads="1"
pthreadh="0"
pthreadser="0"
else
# We basically specified that we wanted threads, but not how to implement
# them. In this case, just look for pthreads. In the future, we can check
# for other threading libraries as well.
APR_PTHREADS_CHECK_SAVE
APR_PTHREADS_CHECK
APR_CHECK_PTHREADS_H([
threads="1"
pthreadh="1"
pthreadser="1" ], [
threads="0"
pthreadser="0"
pthreadh="0"
APR_PTHREADS_CHECK_RESTORE ] )
fi
if test "$pthreadh" = "1"; then
APR_CHECK_PTHREAD_GETSPECIFIC_TWO_ARGS
APR_CHECK_PTHREAD_ATTR_GETDETACHSTATE_ONE_ARG
APR_CHECK_PTHREAD_RECURSIVE_MUTEX
AC_CHECK_FUNCS([pthread_key_delete pthread_rwlock_init \
pthread_attr_setguardsize])
if test "$ac_cv_func_pthread_rwlock_init" = "yes"; then
dnl ----------------------------- Checking for pthread_rwlock_t
AC_CACHE_CHECK([for pthread_rwlock_t], [apr_cv_type_rwlock_t],
AC_TRY_COMPILE([#include <sys/types.h>
#include <pthread.h>], [pthread_rwlock_t *rwlock;],
[apr_cv_type_rwlock_t=yes], [apr_cv_type_rwlock_t=no],
[apr_cv_type_rwlock_t=no]))
if test "$apr_cv_type_rwlock_t" = "yes"; then
AC_DEFINE(HAVE_PTHREAD_RWLOCKS, 1, [Define if pthread rwlocks are available])
fi
fi
fi
fi
ac_cv_define_READDIR_IS_THREAD_SAFE=no
ac_cv_define_GETHOSTBYNAME_IS_THREAD_SAFE=no
ac_cv_define_GETHOSTBYADDR_IS_THREAD_SAFE=no
if test "$threads" = "1"; then
echo "APR will use threads"
AC_CHECK_LIB(c_r, readdir,
AC_DEFINE(READDIR_IS_THREAD_SAFE, 1,
[Define if readdir is thread safe]))
if test "x$apr_gethostbyname_is_thread_safe" = "x"; then
AC_CHECK_LIB(c_r, gethostbyname, apr_gethostbyname_is_thread_safe=yes)
fi
if test "$apr_gethostbyname_is_thread_safe" = "yes"; then
AC_DEFINE(GETHOSTBYNAME_IS_THREAD_SAFE, 1,
[Define if gethostbyname is thread safe])
fi
if test "x$apr_gethostbyaddr_is_thread_safe" = "x"; then
AC_CHECK_LIB(c_r, gethostbyaddr, apr_gethostbyaddr_is_thread_safe=yes)
fi
if test "$apr_gethostbyaddr_is_thread_safe" = "yes"; then
AC_DEFINE(GETHOSTBYADDR_IS_THREAD_SAFE, 1,
[Define if gethostbyaddr is thread safe])
fi
AC_CHECK_FUNCS(gethostbyname_r gethostbyaddr_r)
else
echo "APR will be non-threaded"
fi
dnl Electric Fence malloc checker.
dnl --with-efence specifies the path to Electric Fence.
dnl This test should remain after the threads checks since libefence
dnl may depend on libpthread.
AC_ARG_WITH(efence,
[ --with-efence[[=DIR]] path to Electric Fence installation],
[ apr_efence_dir="$withval"
if test "$apr_efence_dir" != "yes"; then
APR_ADDTO(LDFLAGS,[-L$apr_efence_dir/lib])
if test "x$apr_platform_runtime_link_flag" != "x"; then
APR_ADDTO(LDFLAGS,
[$apr_platform_runtime_link_flag$apr_efence_dir/lib])
fi
fi
AC_CHECK_LIB(efence, malloc,
[ APR_ADDTO(LIBS,-lefence) ],
[ AC_MSG_ERROR(Electric Fence requested but not detected) ])
])
AC_CHECK_FUNCS(sigsuspend, [ have_sigsuspend="1" ], [ have_sigsuspend="0" ])
AC_CHECK_FUNCS(sigwait, [ have_sigwait="1" ], [ have_sigwait="0" ])
dnl AC_CHECK_FUNCS doesn't work for this on Tru64 since the function
dnl is renamed in signal.h. Todo: Autodetect
case $host in
*alpha*-dec-osf* )
have_sigwait="1"
;;
esac
AC_SUBST(threads)
AC_SUBST(have_sigsuspend)
AC_SUBST(have_sigwait)
AC_CHECK_FUNCS(poll kqueue port_create)
# Check for the Linux epoll interface; epoll* may be available in libc
# but return ENOSYS on a pre-2.6 kernel, so do a run-time check.
AC_CACHE_CHECK([for epoll support], [apr_cv_epoll],
[AC_TRY_RUN([
#include <sys/epoll.h>
#include <unistd.h>
int main()
{
return epoll_create(5) == -1;
}], [apr_cv_epoll=yes], [apr_cv_epoll=no], [apr_cv_epoll=no])])
if test "$apr_cv_epoll" = "yes"; then
AC_DEFINE([HAVE_EPOLL], 1, [Define if the epoll interface is supported])
fi
dnl ----------------------------- Checking for missing POSIX thread functions
AC_CHECK_FUNCS([getpwnam_r getpwuid_r getgrnam_r getgrgid_r])
dnl ----------------------------- Checking for Shared Memory Support
echo "${nl}Checking for Shared Memory Support..."
# The real-time POSIX extensions (e.g. shm_*, sem_*) may only
# be available if linking against librt.
AC_SEARCH_LIBS(shm_open, rt)
case $host in
*-sysv*)
ac_includes_default="$ac_includes_default
#if HAVE_SYS_MUTEX_H /* needed to define lock_t for sys/shm.h */
# include <sys/mutex.h>
#endif";;
esac
AC_CHECK_HEADERS([sys/types.h sys/mman.h sys/ipc.h sys/mutex.h sys/shm.h sys/file.h kernel/OS.h os2.h])
AC_CHECK_FUNCS([mmap munmap shm_open shm_unlink shmget shmat shmdt shmctl \
create_area])
APR_CHECK_DEFINE(MAP_ANON, sys/mman.h)
AC_CHECK_FILE(/dev/zero)
# Not all systems can mmap /dev/zero (such as HP-UX). Check for that.
if test "$ac_cv_func_mmap" = "yes" &&
test "$ac_cv_file__dev_zero" = "yes"; then
AC_MSG_CHECKING(for mmap that can map /dev/zero)
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
int main()
{
int fd;
void *m;
fd = open("/dev/zero", O_RDWR);
if (fd < 0) {
return 1;
}
m = mmap(0, sizeof(void*), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
if (m == (void *)-1) { /* aka MAP_FAILED */
return 2;
}
if (munmap(m, sizeof(void*)) < 0) {
return 3;
}
return 0;
}], [], [ac_cv_file__dev_zero=no], [ac_cv_file__dev_zero=no])
AC_MSG_RESULT($ac_cv_file__dev_zero)
fi
# Now we determine which one is our anonymous shmem preference.
haveshmgetanon="0"
havemmapzero="0"
havemmapanon="0"
case $host in
*-*-cygwin | *-*-mingw* | *-*-pw32*)
;;
*)
APR_BEGIN_DECISION([anonymous shared memory allocation method])
APR_IFALLYES(header:sys/ipc.h header:sys/shm.h header:sys/file.h dnl
func:shmget func:shmat func:shmdt func:shmctl,
[haveshmgetanon="1"
APR_DECIDE(USE_SHMEM_SHMGET_ANON, [SysV IPC shmget()])])
APR_IFALLYES(header:sys/mman.h func:mmap func:munmap file:/dev/zero,
[havemmapzero="1"
APR_DECIDE(USE_SHMEM_MMAP_ZERO,
[SVR4-style mmap() on /dev/zero])])
APR_IFALLYES(header:sys/mman.h func:mmap func:munmap define:MAP_ANON,
[havemmapanon="1"
APR_DECIDE(USE_SHMEM_MMAP_ANON,
[4.4BSD-style mmap() via MAP_ANON])])
APR_IFALLYES(header:os2.h,
[haveos2shm="1"
APR_DECIDE(USE_SHMEM_OS2_ANON, [OS/2 DosAllocSharedMem()])])
APR_IFALLYES(header:kernel/OS.h func:create_area,
[havebeosshm="1"
APR_DECIDE(USE_SHMEM_BEOS_ANON,
[BeOS areas])])
case $host in
*linux* )
# Linux has problems with MM_SHMT_MMANON even though it reports
# that it has it.
# FIXME - find exact 2.3 version that MMANON was fixed in. It is
# confirmed fixed in 2.4 series.
if test $os_version -le "240"; then
APR_DECISION_OVERRIDE(USE_SHMEM_MMAP_ZERO USE_SHMEM_SHMGET_ANON)
fi
;;
*hpux11* )
APR_DECISION_OVERRIDE(USE_SHMEM_SHMGET_ANON)
;;
esac
APR_END_DECISION
;;
esac
AC_DEFINE_UNQUOTED($ac_decision)
useshmgetanon="0"
usemmapzero="0"
usemmapanon="0"
case $ac_decision in
USE_SHMEM_SHMGET_ANON )
useshmgetanon="1"
;;
USE_SHMEM_MMAP_ZERO )
usemmapzero="1"
;;
USE_SHMEM_MMAP_ANON )
usemmapanon="1"
;;
esac
AC_SUBST(useshmgetanon)
AC_SUBST(usemmapzero)
AC_SUBST(usemmapanon)
AC_SUBST(haveshmgetanon)
AC_SUBST(havemmapzero)
AC_SUBST(havemmapanon)
# Now we determine which one is our name-based shmem preference.
havemmaptmp="0"
havemmapshm="0"
haveshmget="0"
havebeosarea="0"
haveos2shm="0"
case $host in
*-*-cygwin | *-*-mingw* | *-*-pw32*)
;;
*)
APR_BEGIN_DECISION([namebased memory allocation method])
APR_IFALLYES(header:sys/mman.h func:mmap func:munmap,
[havemmaptmp="1"
APR_DECIDE(USE_SHMEM_MMAP_TMP,
[Classical mmap() on temporary file])])
APR_IFALLYES(header:sys/mman.h func:mmap func:munmap func:shm_open dnl
func:shm_unlink,
[havemmapshm="1"
APR_DECIDE(USE_SHMEM_MMAP_SHM,
[mmap() via POSIX.1 shm_open() on temporary file])])
APR_IFALLYES(header:sys/ipc.h header:sys/shm.h header:sys/file.h dnl
func:shmget func:shmat func:shmdt func:shmctl,
[haveshmget="1"
APR_DECIDE(USE_SHMEM_SHMGET, [SysV IPC shmget()])])
APR_IFALLYES(header:kernel/OS.h func:create_area,
[havebeosshm="1"
APR_DECIDE(USE_SHMEM_BEOS, [BeOS areas])])
APR_IFALLYES(header:os2.h,
[haveos2shm="1"
APR_DECIDE(USE_SHMEM_OS2, [OS/2 DosAllocSharedMem()])])
case $host in
*linux* )
# Linux has problems with MM_SHMT_MMANON even though it reports
# that it has it.
# FIXME - find exact 2.3 version that MMANON was fixed in. It is
# confirmed fixed in 2.4 series.
if test $os_version -le "240"; then
APR_DECISION_OVERRIDE(USE_SHMEM_MMAP_TMP USE_SHMEM_MMAP_SHM dnl
USE_SHMEM_SHMGET)
fi
;;
esac
APR_END_DECISION
;;
esac
AC_DEFINE_UNQUOTED($ac_decision)
usemmaptmp="0"
usemmapshm="0"
useshmget="0"
usebeosarea="0"
useos2shm="0"
case $ac_decision in
USE_SHMEM_MMAP_TMP )
usemmaptmp="1"
;;
USE_SHMEM_MMAP_SHM )
usemmapshm="1"
;;
USE_SHMEM_SHMGET )
useshmget="1"
;;
USE_SHMEM_BEOS )
usebeosarea="1"
;;
USE_SHMEM_OS2 )
useos2shm="1"
;;
esac
# Do we have any shared memory support?
if test "$usemmaptmp$usemmapshm$usemmapzero$useshmget$usemmapanon$usebeosarea$useos2shm" = "0000000"; then
sharedmem="0"
else
sharedmem="1"
fi
AC_SUBST(usemmaptmp)
AC_SUBST(usemmapshm)
AC_SUBST(useshmget)
AC_SUBST(usebeosarea)
AC_SUBST(useos2shm)
AC_SUBST(havemmaptmp)
AC_SUBST(havemmapshm)
AC_SUBST(haveshmget)
AC_SUBST(havebeosarea)
AC_SUBST(haveos2shm)
AC_SUBST(sharedmem)
dnl ----------------------------- Checks for Any required Functions
dnl Checks for library functions. (N.B. poll is further down)
AC_CHECK_FUNCS([alloca calloc setsid isinf isnan \
getenv putenv setenv unsetenv \
writev getifaddrs utime utimes])
AC_CHECK_FUNCS(setrlimit, [ have_setrlimit="1" ], [ have_setrlimit="0" ])
AC_CHECK_FUNCS(getrlimit, [ have_getrlimit="1" ], [ have_getrlimit="0" ])
sendfile="0"
AC_CHECK_LIB(sendfile, sendfilev)
AC_CHECK_FUNCS(sendfile send_file sendfilev, [ sendfile="1" ])
dnl THIS MUST COME AFTER THE THREAD TESTS - FreeBSD doesn't always have a
dnl threaded poll() and we don't want to use sendfile on early FreeBSD
dnl systems if we are also using threads.
AC_ARG_WITH(sendfile, [ --with-sendfile Override decision to use sendfile],
[ if test "$withval" = "yes"; then
sendfile="1"
else
sendfile="0"
fi ], [
orig_sendfile=$sendfile
case $host in
*freebsd*)
# FreeBSD < 4.2 has issues with threads+sendfile
if test $os_version -le "401999"; then
if test "$threads" = "1"; then
sendfile="0"
fi
fi
;;
*alpha*-dec-osf* )
sendfile="0"
;;
s390-*-linux-gnu)
# disable sendfile support for 2.2 on S/390
if test $os_version -lt 240; then
sendfile="0"
fi
;;
*aix*)
# compiler-independent check for 64-bit build
AC_CHECK_SIZEOF(void*, 4)
if test "x$ac_cv_sizeof_voidp" = "x8"; then
# sendfile not working for 64-bit build
sendfile="0"
fi
;;
esac
if test "$orig_sendfile" != "$sendfile"; then
echo "sendfile support disabled to avoid system problem"
fi ] )
AC_SUBST(sendfile)
AC_CHECK_FUNCS(sigaction, [ have_sigaction="1" ], [ have_sigaction="0" ])
AC_DECL_SYS_SIGLIST
AC_CHECK_FUNCS(fork, [ fork="1" ], [ fork="0" ])
APR_CHECK_INET_ADDR
APR_CHECK_INET_NETWORK
AC_SUBST(apr_inaddr_none)
AC_CHECK_FUNC(_getch)
AC_CHECK_FUNCS(strerror_r, [ strerror_r="1" ], [ strerror_r="0" ])
if test "$strerror_r" = "1"; then
APR_CHECK_STRERROR_R_RC
fi
AC_CHECK_FUNCS(mmap, [ mmap="1" ], [ mmap="0" ])
if test "$native_mmap_emul" = "1"; then
mmap="1"
fi
AC_CHECK_FUNCS(memmove, [ have_memmove="1" ], [have_memmove="0" ])
AC_CHECK_FUNCS([getpass getpassphrase gmtime_r localtime_r mkstemp])
AC_SUBST(fork)
AC_SUBST(have_inet_addr)
AC_SUBST(tcp_nodelay_inherited)
AC_SUBST(o_nonblock_inherited)
AC_SUBST(have_inet_network)
AC_SUBST(have_sigaction)
AC_SUBST(have_setrlimit)