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* sysdeps/unix/sysv/linux/configure.in: Use version number in cache

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variable name, so new a libc with new requirements won't fail to
 	notice an insufficient Linux version.
This commit is contained in:
Roland McGrath
1996-07-09 12:22:26 +00:00
parent 99c5795100
commit 089b2b8ad8
4 changed files with 33 additions and 14 deletions
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16
sysdeps/unix/sysv/linux/configure vendored
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@ -8,7 +8,7 @@ test $stdio = default && stdio=libio
inhibit_glue=yes
echo $ac_n "checking installed Linux kernel header files""... $ac_c" 1>&6
if eval "test \"`echo '$''{'libc_cv_linux2'+set}'`\" = set"; then
if eval "test \"`echo '$''{'libc_cv_linux'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
@ -17,28 +17,28 @@ else
#include <linux/version.h>
int main() { return 0; }
int t() {
#if LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 0) /* 2.0.0 */
#if LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 1) /* 2.0.1 */
eat flaming death
#endif
; return 0; }
EOF
if { (eval echo configure:26: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libc_cv_linux2='2.0 or later'
libc_cv_linux='2.0.1 or later'
else
rm -rf conftest*
libc_cv_linux2='TOO OLD!'
libc_cv_linux='TOO OLD!'
fi
rm -f conftest*
fi
echo "$ac_t""$libc_cv_linux2" 1>&6
if test "$libc_cv_linux2" != '2.0 or later'; then
{ echo "configure: error: GNU libc requires kernel header files from Linux 2.0
echo "$ac_t""$libc_cv_linux" 1>&6
if test "$libc_cv_linux" != '2.0.1 or later'; then
{ echo "configure: error: GNU libc requires kernel header files from Linux 2.0.1
or later to be installed before configuring. The kernel header files
are found usually in /usr/include/asm and /usr/include/linux; make sure
these directories use files from Linux 2.0 or later. This check uses
these directories use files from Linux 2.0.1 or later. This check uses
<linux/version.h>, so make sure that file was built correctly when
installing the kernel header files." 1>&2; exit 1; }
fi