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1998-08-12  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/configure.in: Obey --with-headers,
	document it.

	* sysdeps/unix/sysv/linux/alpha/configure.in: New file, contains
	test for recent Linux 2.1.100+ headers.
This commit is contained in:
Ulrich Drepper
1998-08-21 22:29:58 +00:00
parent e36b0b570c
commit 14a44a6920
5 changed files with 116 additions and 7 deletions
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17
sysdeps/unix/sysv/linux/configure vendored
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@ -7,13 +7,17 @@ test $stdio = default && stdio=libio
# existing system library, because we are the only system library.
inhibit_glue=yes
if test -n "$sysheaders"; then
OLD_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $SYSINCLUDES"
fi
echo $ac_n "checking installed Linux kernel header files""... $ac_c" 1>&6
echo "configure:12: checking installed Linux kernel header files" >&5
echo "configure:16: checking installed Linux kernel header files" >&5
if eval "test \"`echo '$''{'libc_cv_linux2010'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 17 "configure"
#line 21 "configure"
#include "confdefs.h"
#include <linux/version.h>
int main() {
@ -22,7 +26,7 @@ eat flaming death
#endif
; return 0; }
EOF
if { (eval echo configure:26: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:30: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libc_cv_linux2010='2.0.10 or later'
else
@ -42,9 +46,12 @@ The kernel header files are found usually in /usr/include/asm and
/usr/include/linux; make sure these directories use files from
Linux 2.0.10 or later. This check uses <linux/version.h>, so
make sure that file was built correctly when installing the kernel header
files." 1>&2; exit 1; }
files. To use kernel headers not from /usr/include/linux, use the
configure option --with-headers." 1>&2; exit 1; }
fi
if test -n "$sysheaders"; then
CFLAGS=$OLD_CFLAGS
fi
# The Linux filesystem standard prescribes where to place "essential"
# files. I.e., when the installation prefix is "/usr" we have to place
# shared library objects and the configuration files on the root partition