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configure.in
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configure.in
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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_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)
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 Set optional CC hints here in case autoconf make 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
dnl Preload
APR_PRELOAD
dnl Absolute source/build directory
apr_srcdir=`(cd $srcdir && pwd)`
apr_builddir=`pwd`
AC_SUBST(apr_srcdir)
AC_SUBST(apr_builddir)
if test "$apr_builddir" != "$apr_srcdir"; then
USE_VPATH=1
fi
dnl Libtool might need this symbol -- it must point to the location of
dnl the generated libtool script (not necessarily the "top" build dir).
dnl
top_builddir="$apr_builddir"
AC_SUBST(top_builddir)
dnl Directory containing apr build macros, helpers, and make rules
dnl NOTE: make rules (rules.mk) will be in the builddir for vpath
dnl
apr_buildout=$apr_builddir/build
apr_builders=$apr_srcdir/build
AC_SUBST(apr_builders)
MKDIR=$apr_builders/mkdir.sh
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 i18n user memory atomic"
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 prep libtool
dnl
echo "performing libtool configuration..."
case $host in
*os2*)
# Use a custom-made libtool replacement
echo "using aplibtool"
LIBTOOL="$srcdir/build/aplibtool"
gcc $CFLAGS $CPPFLAGS -o $LIBTOOL.exe $LIBTOOL.c
;;
*) dnl libtoolize requires that the following not be indented
AC_PROG_LIBTOOL
if test "x$LTFLAGS" = "x"; then
LTFLAGS='--silent'
fi
dnl 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
;;
esac
AC_ARG_WITH(installbuilddir, [ --with-installbuilddir=<path> location to store APR build files (defaults to '${datadir}/build')],
[ installbuilddir=$withval ], [ installbuilddir="${datadir}/build" ] )
AC_SUBST(installbuilddir)
AC_ARG_WITH(libtool, [ --without-libtool avoid using libtool to link the library],
[ use_libtool=$withval ], [ use_libtool="yes" ] )
if test "x$use_libtool" = "xyes"; then
lt_compile='$(LIBTOOL) $(LTFLAGS) --mode=compile $(COMPILE) -c $< && touch $@'
link='$(LIBTOOL) $(LTFLAGS) --mode=link $(LT_LDFLAGS) $(COMPILE) $(ALL_LDFLAGS) -o $@'
so_ext='lo'
lib_target='-rpath $(libdir) $$objects'
export_lib_target='-rpath \$(libdir) \$\$objects'
else
lt_compile='$(COMPILE) -c $<'
link='$(AR) cr $(TARGET_LIB) $$objects; $(RANLIB) $(TARGET_LIB)'
so_ext='o'
lib_target=''
export_lib_target=''
fi
dnl On AIX, libraries need to be specified on the link of lib_target
lib_target_libs=""
case $host in
*aix*)
lib_target_libs="\$(EXTRA_LIBS)";
;;
*-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)
AC_SUBST(lib_target_libs)
dnl #----------------------------- Checks for compiler flags
nl='
'
echo $ac_n "${nl}Check for compiler flags...${nl}"
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
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)
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
])
dnl Electric Fence malloc checker.
dnl --with-efence specifies the path to Electric Fence
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) ])
])
if test "$host" = "i586-pc-beos"; then
AC_ARG_ENABLE(malloc-debug,[ --enable-malloc-debug Switch on malloc_debug for BeOS],
APR_REMOVEFROM(CFLAGS, -O2)
APR_ADDTO(CPPFLAGS, -fcheck-memory-usage -D_KERNEL_MODE)
) dnl
fi
dnl # this is the place to put specific options for platform/compiler
dnl # combinations
case "$host:$CC" in
*-hp-hpux*:cc )
APR_ADDTO(CFLAGS,[-Ae +DAportable +Z])
;;
powerpc-*-beos:mwcc* )
APR_SETVAR(CPP,[mwcc -E])
APR_SETVAR(CC,mwcc)
APR_SETVAR(AR,ar)
;;
esac
dnl force_atomic_generic flag
dnl this will be set we find a cpu/OS combo
dnl which is historical and doesn't work with the method
dnl we are using for the more up to date cpu/OS
dnl (ie.. old sparcs)
apr_force_atomic_generic=0
proc_mutex_is_global=0
user_disabled_atomics=0
AC_ARG_ENABLE(atomics,
[ --disable-atomics Turn off optimized atomic code],
[ if test "$enableval" = "no"; then
user_disabled_atomics=1
fi ] )
config_subdirs="none"
INSTALL_SUBDIRS="none"
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"
;;
*-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
;;
*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
case $osver in
5.0.4)
file_as_socket="1"
;;
*)
file_as_socket="0"
;;
esac
;;
*os390)
OSDIR="os390"
eolstr="\\n"
;;
*os400)
OSDIR="as400"
eolstr="\\n"
;;
*cygwin*)
OSDIR="unix"
APR_ADDTO(CPPFLAGS,-DCYGWIN)
enable_threads="no"
eolstr="\\n"
;;
*sun*)
case $host_cpu in
*sparc*)
OSDIR="solaris_sparc"
eolstr="\\n"
if test "$user_disabled_atomics" = 0; then
apr_atomic_sparc_compile=apr_atomic_sparc.lo
sparc_arch=`uname -m`
is_gnu_as=`${AS} --help 2>/dev/null | grep gnu.org`
case "$sparc_arch" in
sun4c|sun4m|sun4d|sun4t|sun4)
apr_force_atomic_generic=1
apr_atomic_sparc_compile=apr_atomic_sparc_no_support.lo
;;
*)
if test -n "$is_gnu_as"; then
ASFLAGS="-xarch=v8plus -K PIC"
ASCPPFLAGS="-traditional-cpp -D_ASM -D__STDC__=0"
ASCPP="gcc -E"
else
ASFLAGS="-K pic -P -D_ASM -D__STDC__=0 -xarch=v8plus"
ASCPPFLAGS=""
ASCPP="cat"
fi
;;
esac
else
apr_force_atomic_generic=1
apr_atomic_sparc_compile=apr_atomic_sparc_no_support.lo
fi
AC_SUBST(ASCPPFLAGS)
AC_SUBST(ASFLAGS)
AC_SUBST(apr_atomic_sparc_compile)
;;
*)
OSDIR="unix"
eolstr="\\n"
;;
esac
;;
*)
OSDIR="unix"
eolstr="\\n"
;;
esac
AC_SUBST(apr_force_atomic_generic)
AC_SUBST(proc_mutex_is_global)
AC_SUBST(eolstr)
AC_SUBST(INSTALL_SUBDIRS)
dnl For some platforms we need a version string which allows easy numeric
dnl comparisons.
case $host in
*freebsd*)
# 3.4-RELEASE: 340 4.1.1-RELEASE: 411
os_version=`uname -r | sed -e 's/\(.\)\.\(.\)\.\(.\).*/\1\2\3/' | sed -e 's/\(.\)\.\(.\)\-.*/\1\20/'`
;;
*linux*)
os_version=`uname -r | sed -e 's/\(.\)\.\(.\)\.\(.\).*/\1\2\3/'`
;;
*)
os_version=OS_VERSION_IS_NOT_SET
;;
esac
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_CHECK_LIB(resolv, res_init)
AC_CHECK_LIB(nsl, gethostbyname)
AC_SEARCH_LIBS(gethostname, nsl)
AC_CHECK_LIB(socket, socket)
AC_SEARCH_LIBS(crypt, crypt ufc)
AC_CHECK_LIB(truerand, main)
AC_CHECK_LIB(iconv, iconv)
AC_CHECK_LIB(m, modf)
dnl #----------------------------- Checking for Threads
echo $ac_n "${nl}Checking for Threads...${nl}"
if test -z "$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 "$enable_threads" = "pthread"; then
# We have specified pthreads for our threading library, just make sure
# that we have everything we need
APR_PTHREADS_CHECK_SAVE
APR_PTHREADS_CHECK
APR_CHECK_PTHREADS_H([
threads="1"
pthreadh="1"
pthreadser="1"
AC_DEFINE(USE_THREADS) ], [
threads="0"
pthreadh="0"
pthreadser="0"
APR_PTHREADS_CHECK_RESTORE ] )
elif test "$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"
AC_DEFINE(USE_THREADS) ], [
threads="0"
pthreadser="0"
pthreadh="0"
APR_PTHREADS_CHECK_RESTORE ] )
fi
if test "$pthreadh" = "1"; then
APR_CHECK_PTHREAD_GETSPECIFIC_TWO_ARGS
APR_CHECK_PTHREAD_ATTR_GETDETACHSTATE_ONE_ARG
AC_CHECK_FUNCS(pthread_key_delete pthread_rwlock_init)
if test "$ac_cv_func_pthread_rwlock_init" = "yes"; then
dnl #----------------------------- Checking for pthread_rwlock_t
dnl # Linux is silly as it has pthread_rwlock_init defined
dnl # but keeps the pthread_rwlock_t structure hidden unless
dnl # special things are defined.
AC_TRY_COMPILE([#include <sys/types.h>
#include <pthread.h>],
[pthread_rwlock_t rwlock=PTHREAD_RWLOCK_INITIALIZER;],
ac_cv_struct_pthread_rw=yes, ac_cv_struct_pthread_rw=no)
if test "$ac_cv_struct_pthread_rw" = "no"; then
AC_TRY_COMPILE([#define _XOPEN_SOURCE 500
#define _BSD_SOURCE
#define _SVID_SOURCE
#include <sys/types.h>
#include <pthread.h>],
[pthread_rwlock_t rwlock=PTHREAD_RWLOCK_INITIALIZER;],
ac_cv_struct_pthread_rw=yes, ac_cv_struct_pthread_rw=no)
if test "$ac_cv_struct_pthread_rw" = "yes"; then
APR_ADDTO(CPPFLAGS, [-D_XOPEN_SOURCE=500 -D_BSD_SOURCE])
APR_ADDTO(CPPFLAGS, [-D_SVID_SOURCE])
fi
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 "$threads" = "1"; then
echo "APR will use threads"
AC_CHECK_LIB(c_r, readdir, AC_DEFINE(READDIR_IS_THREAD_SAFE))
if test "x$apr_gethostbyname_is_thread_safe" = "x"; then
AC_CHECK_LIB(c_r, gethostbyname, apr_gethostbyname_is_thread_safe=yes)
fi
if test "$apr_gethostbyname_is_thread_safe" = "yes"; then
AC_DEFINE(GETHOSTBYNAME_IS_THREAD_SAFE)
fi
if test "x$apr_gethostbyaddr_is_thread_safe" = "x"; then
AC_CHECK_LIB(c_r, gethostbyaddr, apr_gethostbyaddr_is_thread_safe=yes)
fi
if test "$apr_gethostbyaddr_is_thread_safe" = "yes"; then
AC_DEFINE(GETHOSTBYADDR_IS_THREAD_SAFE)
fi
AC_CHECK_FUNCS(gethostbyname_r gethostbyaddr_r)
case "$host" in
*-ibm-aix*)
APR_ADDTO(CPPFLAGS, [-D_THREAD_SAFE])
;;
esac
else
echo "APR will be non-threaded"
fi
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)
dnl #----------------------------- Checking for missing POSIX thread functions
AC_CHECK_FUNCS(getpwnam_r)
AC_CHECK_FUNCS(getpwuid_r)
AC_CHECK_FUNCS(getgrnam_r)
AC_CHECK_FUNCS(getgrgid_r)
dnl #----------------------------- Checking for Shared Memory Support
echo $ac_n "${nl}Checking for Shared Memory Support...${nl}"
dnl The Posix function are in librt on Solaris. This will
dnl also help us find sem_open when doing locking below
case $host in
*-solaris*)
AC_CHECK_LIB(rt, shm_open)
;;
esac
AC_CHECK_HEADERS(sys/mman.h)
APR_CHECK_DEFINE(MAP_ANON, sys/mman.h)
AC_CHECK_FUNCS(mmap munmap shm_open shm_unlink)
APR_CHECK_FILE(/dev/zero)
AC_CHECK_HEADERS(sys/ipc.h sys/shm.h sys/file.h)
AC_CHECK_FUNCS(shmget shmat shmdt shmctl)
AC_CHECK_HEADERS(kernel/OS.h)
AC_CHECK_FUNCS(create_area)
AC_CHECK_HEADERS(os2.h)
dnl Not all systems can mmap /dev/zero (such as HP-UX). Check for that.
if test "$ac_cv_func_mmap" = "yes" &&
test "$ac_cv_file__dev_zero" = "yes"; then
AC_MSG_CHECKING(for mmap that can map /dev/zero)
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
int main()
{
int fd;
void *m;
fd = open("/dev/zero", O_RDWR);
if (fd < 0) {
return 1;
}
m = mmap(0, sizeof(void*), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
if (m < 0) { /* aka MAP_FAILED */
return 2;
}
if (munmap(m, sizeof(void*)) < 0) {
return 3;
}
return 0;
}], [], [ac_cv_file__dev_zero=no], [ac_cv_file__dev_zero=no])
AC_MSG_RESULT($ac_cv_file__dev_zero)
fi
dnl Now we determine which one is our anonymous shmem preference.
haveshmgetanon="0"
havemmapzero="0"
havemmapanon="0"
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* )
dnl Linux has problems with MM_SHMT_MMANON even though it reports
dnl that it has it.
dnl FIXME - find exact 2.3 version that MMANON was fixed in. It is
dnl confirmed fixed in 2.4 series.
if test $os_version -le "240"; then
APR_DECISION_OVERRIDE(USE_SHMEM_MMAP_ZERO USE_SHMEM_SHMGET_ANON)
fi
;;
*hpux11* )
APR_DECISION_OVERRIDE(USE_SHMEM_SHMGET_ANON)
;;
esac
APR_END_DECISION
AC_DEFINE_UNQUOTED($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)
dnl Now we determine which one is our name-based shmem preference.
havemmaptmp="0"
havemmapshm="0"
haveshmget="0"
havebeosarea="0"
haveos2shm="0"
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* )
dnl Linux has problems with MM_SHMT_MMANON even though it reports
dnl that it has it.
dnl FIXME - find exact 2.3 version that MMANON was fixed in. It is
dnl confirmed fixed in 2.4 series.
if test $os_version -le "240"; then
APR_DECISION_OVERRIDE(USE_SHMEM_MMAP_TMP USE_SHMEM_MMAP_SHM dnl
USE_SHMEM_SHMGET)
fi
;;
esac
APR_END_DECISION
AC_DEFINE_UNQUOTED($ac_decision)
usemmaptmp="0"
usemmapshm="0"
useshmget="0"
usebeosarea="0"
useos2shm="0"
case $ac_decision in
USE_SHMEM_MMAP_TMP )
usemmaptmp="1"
;;
USE_SHMEM_MMAP_SHM )
usemmapshm="1"
;;
USE_SHMEM_SHMGET )
useshmget="1"
;;
USE_SHMEM_BEOS )
usebeosarea="1"
;;
USE_SHMEM_OS2 )
useos2shm="1"
;;
esac
dnl Do we have any shared memory support?
if test "$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(calloc strcasecmp stricmp setsid nl_langinfo isinf isnan)
AC_CHECK_FUNCS(setrlimit, [ have_setrlimit="1" ], [ have_setrlimit="0" ])
AC_CHECK_FUNCS(getrlimit, [ have_getrlimit="1" ], [ have_getrlimit="0" ])
AC_CHECK_FUNCS(writev)
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*)
if test $os_version -le "410"; then
if test "$threads" = "1"; then
sendfile="0"
fi
fi
;;
*alpha*-dec-osf* )
sendfile="0"
;;
s390-*-linux-gnu)
sendfile="0"
;;
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" ])
AC_CHECK_FUNCS(getpass)
APR_CHECK_INET_ADDR
APR_CHECK_INET_NETWORK
AC_SUBST(apr_inaddr_none)
AC_CHECK_FUNC(_getch)
AC_CHECK_FUNCS(gmtime_r localtime_r)
AC_CHECK_FUNCS(strerror_r, [ strerror_r="1" ], [ strerror_r="0" ])
if test "$strerror_r" = "1"; then
APR_CHECK_STRERROR_R_RC
fi
AC_CHECK_FUNCS(iconv, [ iconv="1" ], [ iconv="0" ])
if test "$iconv" = "1"; then
APR_CHECK_ICONV_INBUF
fi
AC_CHECK_FUNCS(mmap, [ mmap="1" ], [ mmap="0" ])
if test "$native_mmap_emul" = "1"; then
mmap="1"
fi
AC_CHECK_FUNCS(hstrerror)
AC_CHECK_FUNCS(memmove, [ have_memmove="1" ], [have_memmove="0" ])
AC_CHECK_FUNCS(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)
AC_SUBST(have_getrlimit)
AC_SUBST(iconv)
AC_SUBST(mmap)
AC_SUBST(have_memmove)
APR_CHECK_SIGWAIT_ONE_ARG
dnl #----------------------------- Checks for Any required Headers
AC_HEADER_STDC
APR_FLAG_HEADERS(
ByteOrder.h \
conio.h \
crypt.h \
ctype.h \
dir.h \
dirent.h \
dl.h \
dlfcn.h \
errno.h \
fcntl.h \
grp.h \
iconv.h \
io.h \
langinfo.h \
limits.h \
mach-o/dyld.h \
malloc.h \
memory.h \
netdb.h \
osreldate.h \
poll.h \
process.h \
pwd.h \
semaphore.h \
signal.h \
stdarg.h \
stddef.h \
stdio.h \
stdlib.h \
string.h \
strings.h \
sysapi.h \
sysgtime.h \
termios.h \
time.h \
tpfeq.h \
tpfio.h \
unistd.h \
unix.h \
arpa/inet.h \
kernel/OS.h \
net/errno.h \
netinet/in.h \
sys/file.h \
sys/mman.h \
sys/poll.h \
sys/resource.h \
sys/select.h \
sys/sem.h \
sys/sendfile.h \
sys/signal.h \
sys/socket.h \
sys/stat.h \
sys/syslimits.h \
sys/time.h \
sys/types.h \
sys/uio.h \
sys/un.h \
sys/wait.h)
dnl IRIX 6.5 has a problem in <netinet/tcp.h> which prevents it from
dnl being included by itself. Check for <netinet/tcp.h> manually,
dnl including another header file first.
AC_MSG_CHECKING(for netinet/tcp.h)
AC_TRY_CPP([
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <netinet/tcp.h>
], netinet_tcph="1", netinet_tcph="0")
if test $netinet_tcph = 1; then
AC_MSG_RESULT(yes)
echo "#define HAVE_NETINET_TCP_H 1" >> confdefs.h
else
AC_MSG_RESULT(no)
fi
AC_SUBST(arpa_ineth)
AC_SUBST(conioh)
AC_SUBST(ctypeh)
AC_SUBST(crypth)
AC_SUBST(errnoh)
AC_SUBST(direnth)
AC_SUBST(fcntlh)
AC_SUBST(ioh)
AC_SUBST(limitsh)
AC_SUBST(netdbh)
AC_SUBST(sys_syslimitsh)
AC_SUBST(netinet_inh)
AC_SUBST(netinet_tcph)
AC_SUBST(stdargh)
AC_SUBST(stdioh)
AC_SUBST(stdlibh)
AC_SUBST(stringh)
AC_SUBST(stringsh)
AC_SUBST(sys_sendfileh)
AC_SUBST(sys_signalh)
AC_SUBST(sys_socketh)
AC_SUBST(sys_typesh)
AC_SUBST(sys_timeh)
AC_SUBST(sys_uioh)
AC_SUBST(sys_unh)
AC_SUBST(timeh)
AC_SUBST(unistdh)
AC_SUBST(signalh)
AC_SUBST(sys_waith)
AC_SUBST(pthreadh)
AC_SUBST(semaphoreh)
dnl #----------------------------- Checking for h_errno in <netdb.h>
if test "$netdbh" = "1"; then
APR_CHECK_H_ERRNO_FLAG
if test "$ac_cv_h_errno_cflags" = "no"; then
AC_MSG_ERROR([can not find h_errno in netdb.h])
fi
fi
dnl #----------------------------- Checks for standard typedefs
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_CHECK_TYPE(ssize_t, int)
AC_C_INLINE
AC_C_CONST
AC_TYPE_SIZE_T
AC_FUNC_SETPGRP
APR_CHECK_SOCKLEN_T
APR_INADDR_NONE
dnl # Checks for integer size
AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(long double, 12)