diff options
| author | Ulrich Drepper <drepper@redhat.com> | 1999-05-26 23:37:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-05-26 23:37:38 +0000 |
| commit | 958f238f3619373d3dbc106d3cda3c467b3419b1 (patch) | |
| tree | 9d15d47658aeaae08ee7e5e5e9d4a63d034caa49 /sysdeps/unix/sysv/linux/configure.in | |
| parent | 475e390e80a950a8746dc0b88341742dc99014e4 (diff) | |
Update.
1999-05-26 Ulrich Drepper <drepper@cygnus.com>
* config.h.in: Add __LINUX_KERNEL_VERSION.
* configure.in: Recognize --enable-kernel.
* sysdeps/unix/sysv/linux/configure.in: Check for correct kernel
headers if --enable-kernel is given and set __LINUX_KERNEL_VERSION
appropriately.
* sysdeps/unix/sysv/linux/init-first.c: If minimal kernel version is
given perform runtime test.
* sysdeps/unix/sysv/linux/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/getcwd.c: Elide compatibility code if
minimal supported kernel is known to have the feature.
* sysdeps/unix/sysv/linux/poll.c: Likewise.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/seteuid.c: Likewise.
* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
* sysdeps/unix/sysv/linux/testrtsig.h: Likewise.
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pread.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/i386/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/sysctl.c: Add __sysctl alias.
Diffstat (limited to 'sysdeps/unix/sysv/linux/configure.in')
| -rw-r--r-- | sysdeps/unix/sysv/linux/configure.in | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in index 2c425c5f25..021b4731eb 100644 --- a/sysdeps/unix/sysv/linux/configure.in +++ b/sysdeps/unix/sysv/linux/configure.in @@ -34,6 +34,33 @@ 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.]) fi + +# If the user gave a minimal version number test whether the available +# kernel headers are young enough. +if test -n "$minimum_kernel"; then + AC_MSG_CHECKING(for kernel header at least $minimum_kernel) +changequote(,)dnl + decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\(\([0-9]*\)\|\).*/(\1 * 65536 + \2 * 256 + \3)/'`; +changequote([,])dnl + cat > conftest.$ac_ext <<EOF +#include <linux/version.h> +int main() { +#if LINUX_VERSION_CODE < $decnum +eat flaming death +#endif +; return 0; } +EOF + if { (eval echo configure:30: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + AC_DEFINE_UNQUOTED(__LINUX_KERNEL_VERSION, $decnum) + AC_MSG_RESULT(ok) + else + AC_MSG_RESULT(too old!) + AC_MSG_ERROR([*** The available kernel headers are not at least as old as the requested +*** compatible kernel version]) + fi + rm -f conftest* +fi + if test -n "$sysheaders"; then CFLAGS=$OLD_CFLAGS fi |