lib/glibc
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Improve consistency of --enable-kernel and default builds.

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This commit is contained in:
Joseph Myers
2012-05-14 22:22:52 +00:00
parent 11de3a3371
commit 37f1abd46c
3 changed files with 28 additions and 30 deletions
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26
sysdeps/unix/sysv/linux/configure vendored
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@ -331,17 +331,14 @@ $as_echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel"
minimum_kernel=$arch_minimum_kernel
fi
else
if test $arch_minimum_kernel != '2.2.0'; then
minimum_kernel=$arch_minimum_kernel
fi
minimum_kernel=$arch_minimum_kernel
fi
if test -n "$minimum_kernel"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
$as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
decnum=`echo "$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.$ac_ext
decnum=`echo "$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
/* end confdefs.h. */
#include <linux/version.h>
#if LINUX_VERSION_CODE < $decnum
@ -356,21 +353,20 @@ else
fi
rm -f conftest*
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
$as_echo "$libc_minimum_kernel" >&6; }
if test "$libc_minimum_kernel" = ok; then
cat >>confdefs.h <<_ACEOF
if test "$libc_minimum_kernel" = ok; then
cat >>confdefs.h <<_ACEOF
#define __LINUX_KERNEL_VERSION $decnum
_ACEOF
cat >>confdefs.h <<_ACEOF
cat >>confdefs.h <<_ACEOF
#define __ABI_TAG_VERSION $abinum
_ACEOF
else
as_fn_error $? "*** The available kernel headers are older than the requested
else
as_fn_error $? "*** The available kernel headers are older than the requested
*** compatible kernel version" "$LINENO" 5
fi
fi
# The result of the above test for the use of the FDE code is invalid if