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

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

View File

@ -1,5 +1,9 @@
Tue Jul 9 06:19:29 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* sysdeps/unix/sysv/linux/configure.in: Use version number in cache
variable name, so new a libc with new requirements won't fail to
notice an insufficient Linux version.
* sysdeps/unix/sysv/linux/direntry.h: New file from David Mosberger.
* sysdeps/unix/sysv/linux/configure.in: Check for Linux 2.0.1 headers,

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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

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@ -9,17 +9,18 @@ test $stdio = default && stdio=libio
# existing system library, because we are the only system library.
inhibit_glue=yes
AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linux2, [dnl
AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linux201, [dnl
AC_TRY_COMPILE([#include <linux/version.h>],
[#if LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 0) /* 2.0.0 */
[#if LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 1) /* 2.0.1 */
eat flaming death
#endif],
libc_cv_linux2='2.0 or later', libc_cv_linux2='TOO OLD!')])
if test "$libc_cv_linux2" != '2.0 or later'; then
AC_MSG_ERROR([GNU libc requires kernel header files from Linux 2.0
libc_cv_linux201='2.0.1 or later',
libc_cv_linux201='TOO OLD!')])
if test "$libc_cv_linux201" != '2.0.1 or later'; then
AC_MSG_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.])
fi

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@ -0,0 +1,14 @@
/* Get `struct dirent' from the Linux kernel header file. */
#ifndef _DIRENTRY_H
#define _DIRENTRY_H
#include <linux/dirent.h>
#define d_fileno d_ino /* backwards compatibility */
#undef _DIRENT_HAVE_D_NAMLEN
#define _DIRENT_HAVE_D_RECLEN
#define _DIRENT_HAVE_D_OFF
#endif /* _DIRENTRY_H */