 # Local configure fragment for sysdeps/unix/sysv/linux/alpha.

# Don't bother trying to generate any glue code to be compatible with the
# 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""... $ac_c" 1>&6
echo "configure:13: checking installed Linux kernel header files" >&5
if eval "test \"`echo '$''{'libc_cv_linux21100'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 18 "configure"
#include "confdefs.h"
#include <linux/version.h>
int main() {
#if LINUX_VERSION_CODE <  (2 *65536+ 1 *256+ 100) /* 2.1.100 */
eat flaming death
#endif
; return 0; }
EOF
if { (eval echo configure:27: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  libc_cv_linux21100='2.1.100 or later'
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  libc_cv_linux21100='TOO OLD!'
fi
rm -f conftest*
fi

echo "$ac_t""$libc_cv_linux21100" 1>&6
if test "$libc_cv_linux21100" != '2.1.100 or later'; then
  { echo "configure: error: GNU libc requires kernel header files from
Linux 2.1.100 or later to be installed before configuring.
The kernel header files are found usually in /usr/include/asm and
/usr/include/linux; make sure these directories use files from
Linux 2.1.100 or later.  This check uses <linux/version.h>, so
make sure that file was built correctly when installing the kernel header
files.  To use kernel headers not from /usr/include/linux, use the
configure option --with-headers." 1>&2; exit 1; }
fi
if test -n "$sysheaders"; then
  CFLAGS=$OLD_CFLAGS
fi
