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Update. 

* sysdeps/unix/sysv/linux/configure.in: Allow architecture
	specific minimal supported kernel versions to be specified.
This commit is contained in:
Ulrich Drepper 2000-06-13 03:49:12 +00:00
parent ff048a13e5
commit 003a02c6ae
3 changed files with 62 additions and 7 deletions
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3
ChangeLog
View File

@ -1,5 +1,8 @@
2000-06-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/configure.in: Allow architecture
specific minimal supported kernel versions to be specified.
* libio/iofwide.c (_IO_fwide): Initialize transliteration part of
step data structure.
* wcsmbs/btowc.c: Likewise.

36
sysdeps/unix/sysv/linux/configure vendored
View File

@ -49,13 +49,39 @@ configure option --with-headers." 1>&2; exit 1; }
fi
# If the user gave a minimal version number test whether the available
# kernel headers are young enough.
# kernel headers are young enough. Additionally we have minimal
# kernel versions for some architectures.
if test -n "$minimum_kernel"; then
case "$machine" in
sh*)
arch_minimum_kernel=2.3.99
;;
*)
;;
esac
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/'`))
if test $user_version -lt $arch_minimum_kernel; then
echo "configure: warning: minimum kernel version reset to $arch_minimum_kernel" 1>&2
minimum_kernel=$arch_minimum_kernel
fi
else
case "$machine" in
sh*)
minimum_kernel = 2.3.99
;;
*)
;;
esac
fi
if test -n "$minimum_kernel"; then
echo $ac_n "checking for kernel header at least $minimum_kernel""... $ac_c" 1>&6
echo "configure:56: checking for kernel header at least $minimum_kernel" >&5
echo "configure:82: checking for kernel header at least $minimum_kernel" >&5
decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
cat > conftest.$ac_ext <<EOF
#line 59 "configure"
#line 85 "configure"
#include "confdefs.h"
#include <linux/version.h>
#if LINUX_VERSION_CODE < $decnum
@ -109,7 +135,7 @@ fi
# Under Linux the LinuxThreads add-on should be available.
case $add_ons in
# Both are available. Good.
# It is available. Good.
*linuxthreads*)
message=
;;
@ -162,7 +188,7 @@ if test $host = $build; then
ac_prefix=$ac_default_prefix
fi
echo $ac_n "checking for symlinks in ${ac_prefix}/include""... $ac_c" 1>&6
echo "configure:166: checking for symlinks in ${ac_prefix}/include" >&5
echo "configure:192: checking for symlinks in ${ac_prefix}/include" >&5
ac_message=
if test -L ${ac_prefix}/include/net; then
ac_message="$ac_message

30
sysdeps/unix/sysv/linux/configure.in
View File

@ -36,7 +36,33 @@ configure option --with-headers.])
fi
# If the user gave a minimal version number test whether the available
# kernel headers are young enough.
# kernel headers are young enough. Additionally we have minimal
# kernel versions for some architectures.
if test -n "$minimum_kernel"; then
case "$machine" in
sh*)
arch_minimum_kernel=2.3.99
;;
*)
;;
esac
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/'`))
if test $user_version -lt $arch_minimum_kernel; then
AC_MSG_WARN([minimum kernel version reset to $arch_minimum_kernel])
minimum_kernel=$arch_minimum_kernel
fi
else
case "$machine" in
sh*)
minimum_kernel = 2.3.99
;;
*)
;;
esac
fi
if test -n "$minimum_kernel"; then
AC_MSG_CHECKING(for kernel header at least $minimum_kernel)
changequote(,)dnl
@ -80,7 +106,7 @@ fi
# Under Linux the LinuxThreads add-on should be available.
case $add_ons in
# Both are available. Good.
# It is available. Good.
*linuxthreads*)
message=
;;