2013-12-31 09:12:54 +01:00
|
|
|
|
|
|
|
# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
|
|
|
|
# -------------------------------------------------------
|
|
|
|
# Tests whether HEADER exists and can be compiled using the include files in
|
|
|
|
# INCLUDES, setting the cache variable VAR accordingly.
|
|
|
|
ac_fn_c_check_header_compile ()
|
|
|
|
{
|
|
|
|
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
|
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
|
|
|
|
$as_echo_n "checking for $2... " >&6; }
|
|
|
|
if eval \${$3+:} false; then :
|
|
|
|
$as_echo_n "(cached) " >&6
|
|
|
|
else
|
|
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
|
|
|
/* end confdefs.h. */
|
|
|
|
$4
|
|
|
|
#include <$2>
|
|
|
|
_ACEOF
|
|
|
|
if ac_fn_c_try_compile "$LINENO"; then :
|
|
|
|
eval "$3=yes"
|
|
|
|
else
|
|
|
|
eval "$3=no"
|
|
|
|
fi
|
|
|
|
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
|
|
|
fi
|
|
|
|
eval ac_res=\$$3
|
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
|
|
|
|
$as_echo "$ac_res" >&6; }
|
|
|
|
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
|
|
|
|
|
|
|
|
} # ac_fn_c_check_header_compile
|
2013-10-30 04:20:52 +01:00
|
|
|
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
|
1996-12-08 09:01:13 +01:00
|
|
|
# Local configure fragment for sysdeps/unix/sysv/linux.
|
|
|
|
|
1998-08-22 00:29:58 +02:00
|
|
|
if test -n "$sysheaders"; then
|
2000-01-27 21:16:37 +01:00
|
|
|
OLD_CPPFLAGS=$CPPFLAGS
|
|
|
|
CPPFLAGS="$CPPFLAGS $SYSINCLUDES"
|
1998-08-22 00:29:58 +02:00
|
|
|
fi
|
2003-01-21 06:45:26 +01:00
|
|
|
|
2011-02-15 20:52:29 +01:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo_n "checking installed Linux kernel header files... " >&6; }
|
2014-04-30 17:39:30 +02:00
|
|
|
if ${libc_cv_linux2632+:} false; then :
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo_n "(cached) " >&6
|
1996-12-08 09:01:13 +01:00
|
|
|
else
|
2011-02-15 20:52:29 +01:00
|
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
2003-03-17 16:57:19 +01:00
|
|
|
/* end confdefs.h. */
|
1996-12-08 09:01:13 +01:00
|
|
|
#include <linux/version.h>
|
2014-04-30 17:39:30 +02:00
|
|
|
#if !defined LINUX_VERSION_CODE || LINUX_VERSION_CODE < (2 *65536+ 6 *256+ 32) /* 2.6.32 */
|
2014-07-04 05:35:42 +02:00
|
|
|
# error kernel headers missing or too old
|
1996-12-08 09:01:13 +01:00
|
|
|
#endif
|
2014-07-04 05:35:42 +02:00
|
|
|
int
|
|
|
|
main ()
|
|
|
|
{
|
|
|
|
|
|
|
|
;
|
|
|
|
return 0;
|
|
|
|
}
|
2002-10-18 07:05:55 +02:00
|
|
|
_ACEOF
|
2014-07-04 05:35:42 +02:00
|
|
|
if ac_fn_c_try_compile "$LINENO"; then :
|
2014-04-30 17:39:30 +02:00
|
|
|
libc_cv_linux2632='2.6.32 or later'
|
2014-07-04 05:35:42 +02:00
|
|
|
else
|
|
|
|
libc_cv_linux2632='missing or too old!'
|
1996-06-10 11:41:16 +02:00
|
|
|
fi
|
2014-07-04 05:35:42 +02:00
|
|
|
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
1996-06-10 11:41:16 +02:00
|
|
|
fi
|
2014-04-30 17:39:30 +02:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux2632" >&5
|
|
|
|
$as_echo "$libc_cv_linux2632" >&6; }
|
|
|
|
if test "$libc_cv_linux2632" != '2.6.32 or later'; then
|
2011-02-15 20:52:29 +01:00
|
|
|
as_fn_error $? "GNU libc requires kernel header files from
|
2014-04-30 17:39:30 +02:00
|
|
|
Linux 2.6.32 or later to be installed before configuring.
|
2002-10-18 07:05:55 +02:00
|
|
|
The kernel header files are found usually in /usr/include/asm and
|
|
|
|
/usr/include/linux; make sure these directories use files from
|
2014-04-30 17:39:30 +02:00
|
|
|
Linux 2.6.32 or later. This check uses <linux/version.h>, so
|
2002-10-18 07:05:55 +02:00
|
|
|
make sure that file was built correctly when installing the kernel header
|
|
|
|
files. To use kernel headers not from /usr/include/linux, use the
|
2011-02-15 20:52:29 +01:00
|
|
|
configure option --with-headers." "$LINENO" 5
|
1998-08-22 00:29:58 +02:00
|
|
|
fi
|
1999-05-27 01:37:38 +02:00
|
|
|
|
|
|
|
# If the user gave a minimal version number test whether the available
|
2000-06-13 05:49:12 +02:00
|
|
|
# kernel headers are young enough. Additionally we have minimal
|
2004-07-02 08:45:08 +02:00
|
|
|
# kernel versions for some architectures. If a previous configure fragment
|
|
|
|
# set arch_minimum_kernel already, let that override our defaults here.
|
|
|
|
# Note that we presume such a fragment has set libc_cv_gcc_unwind_find_fde
|
|
|
|
# if appropriate too.
|
2014-06-24 22:53:03 +02:00
|
|
|
test -n "$arch_minimum_kernel" || arch_minimum_kernel=2.6.32
|
2000-06-13 05:49:12 +02:00
|
|
|
if test -n "$minimum_kernel"; then
|
2002-10-18 07:05:55 +02:00
|
|
|
|
2000-06-13 08:22:36 +02:00
|
|
|
user_version=$((`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`))
|
|
|
|
arch_version=$((`echo "$arch_minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`))
|
2002-10-18 07:05:55 +02:00
|
|
|
|
2000-06-13 08:22:36 +02:00
|
|
|
if test $user_version -lt $arch_version; then
|
2011-02-15 20:52:29 +01:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;}
|
2000-06-13 05:49:12 +02:00
|
|
|
minimum_kernel=$arch_minimum_kernel
|
|
|
|
fi
|
|
|
|
else
|
2012-05-15 00:22:52 +02:00
|
|
|
minimum_kernel=$arch_minimum_kernel
|
2000-06-13 05:49:12 +02:00
|
|
|
fi
|
|
|
|
|
2012-05-15 00:22:52 +02:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
|
2012-05-15 00:22:52 +02:00
|
|
|
decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
|
|
|
|
abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
|
|
|
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
2003-03-17 16:57:19 +01:00
|
|
|
/* end confdefs.h. */
|
1999-05-27 01:37:38 +02:00
|
|
|
#include <linux/version.h>
|
|
|
|
#if LINUX_VERSION_CODE < $decnum
|
2014-07-04 05:35:42 +02:00
|
|
|
# error kernel headers too old
|
1999-05-27 01:37:38 +02:00
|
|
|
#endif
|
2014-07-04 05:35:42 +02:00
|
|
|
int
|
|
|
|
main ()
|
|
|
|
{
|
|
|
|
|
|
|
|
;
|
|
|
|
return 0;
|
|
|
|
}
|
2002-10-18 07:05:55 +02:00
|
|
|
_ACEOF
|
2014-07-04 05:35:42 +02:00
|
|
|
if ac_fn_c_try_compile "$LINENO"; then :
|
1999-05-30 11:07:13 +02:00
|
|
|
libc_minimum_kernel=ok
|
2014-07-04 05:35:42 +02:00
|
|
|
else
|
|
|
|
libc_minimum_kernel='too old!'
|
1999-05-30 11:07:13 +02:00
|
|
|
fi
|
2014-07-04 05:35:42 +02:00
|
|
|
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
2012-05-15 00:22:52 +02:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo "$libc_minimum_kernel" >&6; }
|
2012-05-15 00:22:52 +02:00
|
|
|
if test "$libc_minimum_kernel" = ok; then
|
|
|
|
cat >>confdefs.h <<_ACEOF
|
1999-05-27 01:37:38 +02:00
|
|
|
#define __LINUX_KERNEL_VERSION $decnum
|
2002-10-18 07:05:55 +02:00
|
|
|
_ACEOF
|
Update.
2001-03-12 Jakub Jelinek <jakub@redhat.com>
* csu/Makefile (abi-tag.h): Define OS and version separately, allow
version to be overriden from config.h.
* csu/abi-note.S: Use OS and version separately, include config.h.
* elf/dl-load.c (_dl_osversion): New.
(_dl_map_object_from_fd): Kill some warnings.
(open_verify): Check .note.ABI-tag of the library if present.
* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
* elf/cache.c (struct cache_entry): Add osversion.
(print_entry): Print osversion.
(print_cache): Pass osversion to it.
(compare): Sort according to osversion.
(save_cache): Set osversion.
(add_to_cache): Add osversion argument.
* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
process_elf_file): Add osversion argument.
* elf/readlib.c (process_file): Likewise.
* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* elf/ldconfig.c (manual_link): Pass it.
(search_dir): Issue diagnostic if two libs with the same soname in
the same directory have different .note.ABI-tag. Record osversion in
dlib_entry and use it from there.
(struct lib_entry): Remove.
(struct dlib_entry): Add osversion.
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
osversion.
* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
field with osversion.
* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
version in _dl_osversion.
* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
* Makerules (build-shlib-helper, build-module-helper): New.
(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
early.
* config.h.in (__ABI_TAG_VERSION): Add.
* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
Handle LD_ASSUME_KERNEL.
* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2001-03-16 08:40:05 +01:00
|
|
|
|
2012-05-15 00:22:52 +02:00
|
|
|
cat >>confdefs.h <<_ACEOF
|
Update.
2001-03-12 Jakub Jelinek <jakub@redhat.com>
* csu/Makefile (abi-tag.h): Define OS and version separately, allow
version to be overriden from config.h.
* csu/abi-note.S: Use OS and version separately, include config.h.
* elf/dl-load.c (_dl_osversion): New.
(_dl_map_object_from_fd): Kill some warnings.
(open_verify): Check .note.ABI-tag of the library if present.
* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
* elf/cache.c (struct cache_entry): Add osversion.
(print_entry): Print osversion.
(print_cache): Pass osversion to it.
(compare): Sort according to osversion.
(save_cache): Set osversion.
(add_to_cache): Add osversion argument.
* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
process_elf_file): Add osversion argument.
* elf/readlib.c (process_file): Likewise.
* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* elf/ldconfig.c (manual_link): Pass it.
(search_dir): Issue diagnostic if two libs with the same soname in
the same directory have different .note.ABI-tag. Record osversion in
dlib_entry and use it from there.
(struct lib_entry): Remove.
(struct dlib_entry): Add osversion.
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
osversion.
* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
field with osversion.
* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
version in _dl_osversion.
* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
* Makerules (build-shlib-helper, build-module-helper): New.
(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
early.
* config.h.in (__ABI_TAG_VERSION): Add.
* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
Handle LD_ASSUME_KERNEL.
* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2001-03-16 08:40:05 +01:00
|
|
|
#define __ABI_TAG_VERSION $abinum
|
2002-10-18 07:05:55 +02:00
|
|
|
_ACEOF
|
1999-05-27 01:37:38 +02:00
|
|
|
|
2012-05-15 00:22:52 +02:00
|
|
|
else
|
|
|
|
as_fn_error $? "*** The available kernel headers are older than the requested
|
2011-02-15 20:52:29 +01:00
|
|
|
*** compatible kernel version" "$LINENO" 5
|
1999-05-27 01:37:38 +02:00
|
|
|
fi
|
|
|
|
|
2013-12-31 09:12:54 +01:00
|
|
|
# Until we start requiring 2.6.37+ headers, we need to check for the
|
|
|
|
# availability of linux/fanotify.h for testing purposes.
|
|
|
|
ac_fn_c_check_header_compile "$LINENO" "linux/fanotify.h" "ac_cv_header_linux_fanotify_h" "/* No default includes. */
|
|
|
|
"
|
|
|
|
if test "x$ac_cv_header_linux_fanotify_h" = xyes; then :
|
2013-12-31 17:36:54 +01:00
|
|
|
$as_echo "#define HAVE_LINUX_FANOTIFY_H 1" >>confdefs.h
|
|
|
|
|
2013-12-31 09:12:54 +01:00
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
|
1998-08-22 00:29:58 +02:00
|
|
|
if test -n "$sysheaders"; then
|
2000-01-27 21:16:37 +01:00
|
|
|
CPPFLAGS=$OLD_CPPFLAGS
|
1996-06-10 11:41:16 +02:00
|
|
|
fi
|
1996-11-28 05:16:09 +01:00
|
|
|
|
2002-05-19 20:37:30 +02:00
|
|
|
if test "$prefix" = "/usr/local" -o "$prefix" = "/usr/local/" -o "$prefix" = "NONE"; then
|
|
|
|
if test $enable_sanity = yes; then
|
|
|
|
echo "\
|
|
|
|
*** On GNU/Linux systems the GNU C Library should not be installed into
|
|
|
|
*** /usr/local since this might make your system totally unusable.
|
|
|
|
*** We strongly advise to use a different prefix. For details read the FAQ.
|
2002-07-29 00:43:25 +02:00
|
|
|
*** If you really mean to do this, run configure again using the extra
|
2002-05-19 20:37:30 +02:00
|
|
|
*** parameter \`--disable-sanity-checks'."
|
|
|
|
exit 1
|
|
|
|
else
|
|
|
|
echo "\
|
|
|
|
*** WARNING: Do you really want to install the GNU C Library into /usr/local?
|
|
|
|
*** This might make your system totally unusable, for details read the FAQ."
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
1999-12-04 19:05:55 +01:00
|
|
|
# One Linux we use ldconfig.
|
|
|
|
use_ldconfig=yes
|
1998-03-29 19:03:23 +02:00
|
|
|
|
1998-12-02 14:44:40 +01:00
|
|
|
if test $host = $build; then
|
|
|
|
# If $prefix/include/{net,scsi} are symlinks, make install will
|
|
|
|
# clobber what they're linked to (probably a kernel tree).
|
|
|
|
# test -L ought to work on all Linux boxes.
|
|
|
|
if test "x$prefix" != xNONE; then
|
|
|
|
ac_prefix=$prefix
|
|
|
|
else
|
|
|
|
ac_prefix=$ac_default_prefix
|
|
|
|
fi
|
2011-02-15 20:52:29 +01:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for symlinks in ${ac_prefix}/include" >&5
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo_n "checking for symlinks in ${ac_prefix}/include... " >&6; }
|
1998-12-04 16:52:50 +01:00
|
|
|
ac_message=
|
1998-12-02 14:44:40 +01:00
|
|
|
if test -L ${ac_prefix}/include/net; then
|
1998-12-04 16:52:50 +01:00
|
|
|
ac_message="$ac_message
|
|
|
|
${ac_prefix}/include/net is a symlink"
|
1998-12-02 14:44:40 +01:00
|
|
|
fi
|
|
|
|
if test -L ${ac_prefix}/include/scsi; then
|
1998-12-04 16:52:50 +01:00
|
|
|
ac_message="$ac_message
|
1998-12-02 14:44:40 +01:00
|
|
|
${ac_prefix}/include/scsi is a symlink"
|
|
|
|
fi
|
1998-12-04 16:52:50 +01:00
|
|
|
if test -n "$ac_message"; then
|
2011-02-15 20:52:29 +01:00
|
|
|
as_fn_error $? "$ac_message
|
2002-10-18 07:05:55 +02:00
|
|
|
\`make install' will destroy the target of the link(s).
|
|
|
|
Delete the links and re-run configure, or better still, move the entire
|
2011-02-15 20:52:29 +01:00
|
|
|
${ac_prefix}/include directory out of the way." "$LINENO" 5
|
1998-12-02 14:44:40 +01:00
|
|
|
else
|
2011-02-15 20:52:29 +01:00
|
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
|
2009-09-15 23:14:42 +02:00
|
|
|
$as_echo "ok" >&6; }
|
1998-12-02 14:44:40 +01:00
|
|
|
fi
|
1998-11-29 00:37:49 +01:00
|
|
|
fi
|
2004-07-06 06:26:42 +02:00
|
|
|
|
|
|
|
# We have inlined syscalls.
|
2011-02-15 20:52:29 +01:00
|
|
|
$as_echo "#define HAVE_INLINED_SYSCALLS 1" >>confdefs.h
|
2004-07-06 06:26:42 +02:00
|
|
|
|