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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_PREREQ(2.59)
AC_INIT(build/apr_common.m4)
AC_CONFIG_HEADER(include/arch/unix/apr_private.h)
AC_CONFIG_AUX_DIR(build)
AC_CONFIG_MACRO_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_win32.m4)
sinclude(build/apr_hints.m4)
sinclude(build/libtool.m4)
sinclude(build/ltsugar.m4)
sinclude(build/argz.m4)
sinclude(build/ltoptions.m4)
sinclude(build/ltversion.m4)
sinclude(build/lt~obsolete.m4)
sinclude(build/apu-conf.m4)
sinclude(build/xml.m4)
sinclude(build/apu-hints.m4)
sinclude(build/crypto.m4)
sinclude(build/dbm.m4)
sinclude(build/dbd.m4)
sinclude(build/dso.m4)
sinclude(build/iconv.m4)
dnl Hard-coded top of apr_private.h:
AH_TOP([
#ifndef APR_PRIVATE_H
#define APR_PRIVATE_H
/* Pick up publicly advertised headers and symbols before the
* APR internal private headers and symbols
*/
#include <apr.h>
])
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 defined(BEOS) && !defined(HAVE_BONE_VERSION)
#define BEOS_R5 1
#else
#define BEOS_BONE 1
#endif
/*
* Darwin 10's default compiler (gcc42) builds for both 64 and
* 32 bit architectures unless specifically told not to.
* In those cases, we need to override types depending on how
* we're being built at compile time.
* NOTE: This is an ugly work-around for Darwin's
* concept of universal binaries, a single package
* (executable, lib, etc...) which contains both 32
* and 64 bit versions. The issue is that if APR is
* built universally, if something else is compiled
* against it, some bit sizes will depend on whether
* it is 32 or 64 bit. This is determined by the __LP64__
* flag. Since we need to support both, we have to
* handle OS X unqiuely.
*/
#ifdef DARWIN_10
#undef APR_OFF_T_STRFN
#undef APR_INT64_STRFN
#undef SIZEOF_LONG
#undef SIZEOF_SIZE_T
#undef SIZEOF_SSIZE_T
#undef SIZEOF_VOIDP
#undef SIZEOF_STRUCT_IOVEC
#ifdef __LP64__
#define APR_INT64_STRFN strtol
#define SIZEOF_LONG 8
#define SIZEOF_SIZE_T 8
#define SIZEOF_SSIZE_T 8
#define SIZEOF_VOIDP 8
#define SIZEOF_STRUCT_IOVEC 16
#else
#define APR_INT64_STRFN strtoll
#define SIZEOF_LONG 4
#define SIZEOF_SIZE_T 4
#define SIZEOF_SSIZE_T 4
#define SIZEOF_VOIDP 4
#define SIZEOF_STRUCT_IOVEC 8
#endif
#undef APR_OFF_T_STRFN
#define APR_OFF_T_STRFN APR_INT64_STRFN
#undef SETPGRP_VOID
#ifdef __DARWIN_UNIX03
#define SETPGRP_VOID 1
#else
/* #undef SETPGRP_VOID */
#endif
#endif /* DARWIN_10 */
#endif /* APR_PRIVATE_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
AC_MSG_NOTICE([Configuring APR library])
AC_MSG_NOTICE([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)
AC_MSG_NOTICE([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)
dnl This must be synchronized to the prefix of the apr layout, to make
dnl configure --help print the correct default.
AC_PREFIX_DEFAULT([/usr/local/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
dnl AC_PROG_SED is only avaliable in recent autoconf versions.
dnl Use AC_CHECK_PROG instead if AC_PROG_SED is not present.
ifdef([AC_PROG_SED],
[AC_PROG_SED],
[AC_CHECK_PROG(SED, sed, sed)])
dnl Preload
APR_PRELOAD
dnl These added to allow default directories to be used...
DEFAULT_OSDIR="unix"
AC_MSG_NOTICE([(Default will be ${DEFAULT_OSDIR})])
apr_modules="file_io network_io threadproc misc locks time mmap shmem user memory atomic poll support random"
dnl Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CPP
AC_PROG_AWK
AC_PROG_LN_S
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_CHECK_PROG(RM, rm, rm)
AC_CHECK_TOOL(AS, as, as)
AC_CHECK_TOOL(ASCPP, cpp, cpp)
AC_CHECK_TOOL(AR, ar, ar)
dnl Various OS checks that apparently set required flags
ifdef([AC_USE_SYSTEM_EXTENSIONS], [
AC_USE_SYSTEM_EXTENSIONS
], [
AC_AIX
AC_MINIX
])
AC_ISC_POSIX
APR_EBCDIC
dnl this is our library name
APR_LIBNAME="apr${libsuffix}"
AC_SUBST(APR_LIBNAME)
dnl prep libtool
dnl
AC_MSG_NOTICE([performing libtool configuration...])
AC_ARG_ENABLE(experimental-libtool,[ --enable-experimental-libtool Use experimental custom libtool],
[experimental_libtool=$enableval],[experimental_libtool=no])
dnl Workarounds for busted Libtool 2.x when we don't call AC_PROG_LIBTOOL
if test "x$Xsed" = "x"; then
Xsed="$SED -e 1s/^X//"
fi
case $host in
*-os2*)
# Use a custom-made libtool replacement
AC_MSG_NOTICE([using aplibtool])
LIBTOOL="$apr_builddir/build/aplibtool"
LIBTOOL_SRC="$apr_srcdir/build/aplibtool.c"
$CC $CFLAGS $CPPFLAGS -o $LIBTOOL.exe $LIBTOOL_SRC
;;
*)
if test "x$LTFLAGS" = "x"; then
LTFLAGS='--silent'
fi
if test "$experimental_libtool" = "yes"; then
# Use a custom-made libtool replacement
AC_MSG_NOTICE([using jlibtool])
LIBTOOL="$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
dnl should become LT_INIT(win32-dll)
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
# get libtool's setting of shlibpath_var
if test "x$shlibpath_var" = "x"; then
eval `grep "^shlibpath_var=[[A-Z_]]*$" $apr_builddir/libtool`
fi
if test "x$shlibpath_var" = "x"; then
AC_MSG_NOTICE([SHLIBPATH variable could not be determined])
shlibpath_var=REPLACE_WITH_YOUR_SHLIBPATH_VAR
fi
fi
;;
esac
AC_ARG_WITH(installbuilddir, [ --with-installbuilddir=DIR location to store APR build files],
[ installbuilddir=$withval ] )
AC_SUBST(installbuilddir)
AC_ARG_WITH(libtool, [ --without-libtool avoid using libtool to link the library],
[ use_libtool=$withval ], [ use_libtool="yes" ] )
if test "x$use_libtool" = "xyes"; then
lt_compile='$(LIBTOOL) $(LTFLAGS) --mode=compile --tag=CC $(COMPILE) -o $@ -c $< && touch $@'
LT_VERSION="-version-info `$get_version libtool $version_hdr APR`"
link="\$(LIBTOOL) \$(LTFLAGS) --mode=link --tag=CC \$(COMPILE) \$(LT_LDFLAGS) \$(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 $host in
*-solaris2*)
apr_platform_runtime_link_flag="-R"
;;
*-mingw* | *-cygwin*)
LT_LDFLAGS="$LT_LDFLAGS -no-undefined"
;;
*)
;;
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(LT_VERSION)
dnl ----------------------------- Checks for compiler flags
nl='
'
AC_MSG_NOTICE([])
AC_MSG_NOTICE([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
AC_ARG_ENABLE(maintainer-mode,[ --enable-maintainer-mode Turn on debugging and compile time warnings],
[APR_ADDTO(CFLAGS,-g)
if test "$GCC" = "yes"; then
APR_ADDTO(CFLAGS,[-Wall -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations])
case `($CC --version) 2>/dev/null` in
*clang-900* | *"clang version 5.0.0"*)
APR_ADDTO(CFLAGS,[-Wno-error=strict-prototypes])
;;
esac
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)
;;
dnl If building static APR, both the APR build and the app build
dnl need -DAPR_DECLARE_STATIC to generate the right linkage from
dnl APR_DECLARE et al.
dnl If building dynamic APR, the APR build needs APR_DECLARE_EXPORT
dnl and the app build should have neither define.
*-mingw* | *-cygwin*)
if test "$enable_shared" = "yes"; then
APR_ADDTO(INTERNAL_CPPFLAGS, -DAPR_DECLARE_EXPORT)
else
APR_ADDTO(CPPFLAGS, -DAPR_DECLARE_STATIC)
fi
;;
esac
AC_CACHE_CHECK([whether the compiler provides atomic builtins], [ap_cv_atomic_builtins],
[AC_TRY_RUN([
int main()
{
unsigned long val = 1010, tmp, *mem = &val;
if (__sync_fetch_and_add(&val, 1010) != 1010 || val != 2020)
return 1;
tmp = val;
if (__sync_fetch_and_sub(mem, 1010) != tmp || val != 1010)
return 1;
if (__sync_sub_and_fetch(&val, 1010) != 0 || val != 0)
return 1;
tmp = 3030;
if (__sync_val_compare_and_swap(mem, 0, tmp) != 0 || val != tmp)
return 1;
if (__sync_lock_test_and_set(&val, 4040) != 3030)
return 1;
mem = &tmp;
if (__sync_val_compare_and_swap(&mem, &tmp, &val) != &tmp)
return 1;
__sync_synchronize();
if (mem != &val)
return 1;
return 0;
}], [ap_cv_atomic_builtins=yes], [ap_cv_atomic_builtins=no], [ap_cv_atomic_builtins=no])])
if test "$ap_cv_atomic_builtins" = "yes"; then
AC_DEFINE(HAVE_ATOMIC_BUILTINS, 1, [Define if compiler provides atomic builtins])
fi
AC_CACHE_CHECK([whether the compiler handles weak symbols], [ap_cv_weak_symbols],
[AC_TRY_RUN([
__attribute__ ((weak))
int weak_noop(void)
{
return 0;
}
int main()
{
return weak_noop();
}], [ap_cv_weak_symbols=yes], [ap_cv_weak_symbols=no], [ap_cv_weak_symbols=no])])
if test "$ap_cv_weak_symbols" = "yes"; then
AC_DEFINE(HAVE_WEAK_SYMBOLS, 1, [Define if compiler handles weak symbols])
fi
case $host in
powerpc-405-*)
# The IBM ppc405cr processor has a bugged stwcx instruction.
AC_DEFINE(PPC405_ERRATA, 1, [Define on PowerPC 405 where errata 77 applies])
;;
*)
;;
esac
dnl Check the depend program we can use
APR_CHECK_DEPEND
proc_mutex_is_global=0
config_subdirs="none"
INSTALL_SUBDIRS="none"
OBJECTS_PLATFORM='$(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 $osver in
5.0.4)
file_as_socket="1"
;;
*)
file_as_socket="0"
;;
esac
;;
*apple-darwin*)
ac_cv_func_fdatasync="no" # Mac OS X wrongly reports it has fdatasync()
OSDIR="unix"
eolstr="\\n"
;;
*os390)
OSDIR="os390"
OBJECTS_PLATFORM='$(OBJECTS_os390)'
eolstr="\\n"
;;
*os400)
OSDIR="as400"
eolstr="\\n"
;;
*mingw*)
OSDIR="win32"
enable_threads="system_threads"
eolstr="\\r\\n"
file_as_socket=0
proc_mutex_is_global=1
OBJECTS_PLATFORM='$(OBJECTS_win32)'
;;
*cygwin*)
OSDIR="unix"
enable_threads="no"
eolstr="\\n"
;;
*hpux10* )
enable_threads="no"
OSDIR="unix"
eolstr="\\n"
;;
*)
OSDIR="unix"
eolstr="\\n"
;;
esac
AC_SUBST(OBJECTS_PLATFORM)
# Check whether LFS has explicitly been disabled
AC_ARG_ENABLE(lfs,[ --disable-lfs Disable large file support on 32-bit platforms],
[apr_lfs_choice=$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="$CPPFLAGS -D_LARGEFILE64_SOURCE"
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
void main(void)
{
int fd, ret = 0;
struct stat64 st;
off64_t off = 4242;
if (sizeof(off64_t) != 8 || sizeof(off_t) != 4)
exit(1);
if ((fd = open("conftest.lfs", O_LARGEFILE|O_CREAT|O_WRONLY, 0644)) < 0)
exit(2);
if (ftruncate64(fd, off) != 0)
ret = 3;
else if (fstat64(fd, &st) != 0 || st.st_size != off)
ret = 4;
else if (lseek64(fd, off, SEEK_SET) != off)
ret = 5;
else if (close(fd) != 0)
ret = 6;
else if (lstat64("conftest.lfs", &st) != 0 || st.st_size != off)
ret = 7;
else if (stat64("conftest.lfs", &st) != 0 || st.st_size != off)
ret = 8;
unlink("conftest.lfs");
exit(ret);
}], [apr_cv_use_lfs64=yes], [apr_cv_use_lfs64=no], [apr_cv_use_lfs64=no])
CPPFLAGS=$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
case $host in
*solaris2.10*)
AC_TRY_COMPILE(
[#include <atomic.h>],
[void *ptr = NULL; atomic_cas_ptr(&ptr, NULL, NULL);],,
[force_generic_atomics=yes]
)
if test $force_generic_atomics = yes; then
AC_MSG_NOTICE([nonportable atomic support disabled, system needs Patch-ID 118884 or 118885])
fi
;;
esac
;;
esac
])
if test $force_generic_atomics = yes; then
AC_DEFINE([USE_ATOMICS_GENERIC], 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_major=[`uname -r | sed -e 's/\([1-9][0-9]*\)\..*/\1/'`]
os_minor=[`uname -r | sed -e 's/[1-9][0-9]*\.\([0-9]\+\)\..*/\1/'`]
if test $os_major -lt 2 -o \( $os_major -eq 2 -a $os_minor -lt 4 \); then
AC_MSG_WARN([Configured for pre-2.4 Linux $os_major.$os_minor])
os_pre24linux=1
else
os_pre24linux=0
AC_MSG_NOTICE([Configured for Linux $os_major.$os_minor])
fi
;;
*os390)
os_version=`uname -r | sed -e 's/\.//g'`
;;
*)
os_version=OS_VERSION_IS_NOT_SET
;;
esac
AC_MSG_NOTICE([])
AC_MSG_NOTICE([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.
case $host in
*-mingw*)
APR_ADDTO(LIBS,[-lshell32 -ladvapi32 -lws2_32 -lrpcrt4 -lmswsock])
ac_cv_func_CreateFileMapping=yes
;;
*)
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(gethostname, nsl)
AC_SEARCH_LIBS(socket, socket)
AC_SEARCH_LIBS(crypt, crypt ufc)
AC_CHECK_LIB(truerand, main)
AC_SEARCH_LIBS(modf, m)
;;
esac
dnl ----------------------------- Checking for Threads
AC_MSG_NOTICE([${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 pthread_yield])
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
if test "$ac_cv_func_pthread_yield" = "no"; then
dnl ----------------------------- Checking for sched_yield
AC_CHECK_HEADERS([sched.h])
AC_CHECK_FUNCS([sched_yield])
fi
fi
fi
ac_cv_define_READDIR_IS_THREAD_SAFE=yes
ac_cv_define_GETHOSTBYNAME_IS_THREAD_SAFE=no
ac_cv_define_GETHOSTBYADDR_IS_THREAD_SAFE=no
ac_cv_define_GETSERVBYNAME_IS_THREAD_SAFE=no
if test "$threads" = "1"; then
AC_MSG_NOTICE([APR will use threads])
AC_DEFINE(READDIR_IS_THREAD_SAFE, 1, [Modern 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
if test "x$apr_getservbyname_is_thread_safe" = "x"; then
AC_CHECK_LIB(c_r, getservbyname, apr_getservbyname_is_thread_safe=yes)
fi
if test "$apr_getservbyname_is_thread_safe" = "yes"; then
AC_DEFINE(GETSERVBYNAME_IS_THREAD_SAFE, 1,
[Define if getservbyname is thread safe])
fi
AC_CHECK_FUNCS(gethostbyname_r gethostbyaddr_r getservbyname_r)
else
AC_MSG_NOTICE([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_ARG_WITH(valgrind,
[ --with-valgrind[[=DIR]] Enable code to teach valgrind about apr pools
(optionally: set path to valgrind headers) ],
[ if test "$withval" != no; then
if test "$withval" = yes; then
withval=/usr/include/valgrind
fi
APR_ADDTO(CPPFLAGS, -I$withval)
AC_CHECK_HEADERS(valgrind.h memcheck.h)
APR_IFALLYES(header:valgrind.h header:memcheck.h,
[AC_DEFINE(HAVE_VALGRIND, 1, [Compile in valgrind support]) ],
[AC_MSG_ERROR(valgrind headers not found) ]
)
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 $host in
*alpha*-dec-osf* )
have_sigwait="1"
;;
esac
AC_SUBST(threads)
AC_SUBST(have_sigsuspend)
AC_SUBST(have_sigwait)
AC_CHECK_FUNCS(poll kqueue port_create)
# Check for the Linux epoll interface; epoll* may be available in libc
# but return ENOSYS on a pre-2.6 kernel, so do a run-time check.
AC_CACHE_CHECK([for epoll support], [apr_cv_epoll],
[AC_TRY_RUN([
#include <sys/epoll.h>
#include <unistd.h>
int main()
{
return epoll_create(5) == -1;
}], [apr_cv_epoll=yes], [apr_cv_epoll=no], [apr_cv_epoll=no])])
if test "$apr_cv_epoll" = "yes"; then
AC_DEFINE([HAVE_EPOLL], 1, [Define if the epoll interface is supported])
fi
dnl ----------------------------- Checking for extended file descriptor handling
# test for epoll_create1
AC_CACHE_CHECK([for epoll_create1 support], [apr_cv_epoll_create1],
[AC_TRY_RUN([
#include <sys/epoll.h>
#include <unistd.h>
int main()
{
return epoll_create1(0) == -1;
}], [apr_cv_epoll_create1=yes], [apr_cv_epoll_create1=no], [apr_cv_epoll_create1=no])])
if test "$apr_cv_epoll_create1" = "yes"; then
AC_DEFINE([HAVE_EPOLL_CREATE1], 1, [Define if epoll_create1 function is supported])
fi
# Check for z/OS async i/o support.
AC_CACHE_CHECK([for asio -> message queue support], [apr_cv_aio_msgq],
[AC_TRY_RUN([
#define _AIO_OS390
#include <aio.h>
int main()
{
struct aiocb a;
a.aio_notifytype = AIO_MSGQ; /* use IPC message queue for notification */
return aio_cancel(2, NULL) == -1;
}], [apr_cv_aio_msgq=yes], [apr_cv_aio_msgq=no], [apr_cv_aio_msgq=no])])
if test "$apr_cv_aio_msgq" = "yes"; then
AC_DEFINE([HAVE_AIO_MSGQ], 1, [Define if async i/o supports message q's])
fi
# test for dup3
AC_CACHE_CHECK([for dup3 support], [apr_cv_dup3],
[AC_TRY_RUN([
#include <unistd.h>
int main()
{
return dup3(STDOUT_FILENO, STDERR_FILENO, 0) == -1;
}], [apr_cv_dup3=yes], [apr_cv_dup3=no], [apr_cv_dup3=no])])
if test "$apr_cv_dup3" = "yes"; then
AC_DEFINE([HAVE_DUP3], 1, [Define if dup3 function is supported])
fi
# Test for accept4(). Create a non-blocking socket, bind it to
# an unspecified port & address (kernel picks), and attempt to
# call accept4() on it. If the syscall is wired up (i.e. the
# kernel is new enough), it should return EAGAIN.
AC_CACHE_CHECK([for accept4 support], [apr_cv_accept4],
[AC_TRY_RUN([
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <netinet/tcp.h>