diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2012-05-14 22:22:52 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-05-14 22:22:52 +0000 |
| commit | 37f1abd46c22a13e7c2492ce9de18f4cc2ca308f (patch) | |
| tree | b30146ce737e63e8258716f8b46e46957d06a7d7 /sysdeps/unix/sysv/linux/configure.in | |
| parent | 11de3a3371c18b6fe955d4b43071656baf4b8804 (diff) | |
Improve consistency of --enable-kernel and default builds.
Diffstat (limited to 'sysdeps/unix/sysv/linux/configure.in')
| -rw-r--r-- | sysdeps/unix/sysv/linux/configure.in | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in index 1ce14f294f..72fbe8422b 100644 --- a/sysdeps/unix/sysv/linux/configure.in +++ b/sysdeps/unix/sysv/linux/configure.in @@ -87,29 +87,25 @@ if test -n "$minimum_kernel"; then minimum_kernel=$arch_minimum_kernel fi else - if test $arch_minimum_kernel != '2.2.0'; then - minimum_kernel=$arch_minimum_kernel - fi + minimum_kernel=$arch_minimum_kernel fi -if test -n "$minimum_kernel"; then - AC_MSG_CHECKING(for kernel header at least $minimum_kernel) +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)/'`; - abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`; +decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`; +abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`; changequote([,])dnl - AC_EGREP_CPP([eat flaming death], [#include <linux/version.h> +AC_EGREP_CPP([eat flaming death], [#include <linux/version.h> #if LINUX_VERSION_CODE < $decnum eat flaming death #endif], libc_minimum_kernel='too old!', libc_minimum_kernel=ok) - AC_MSG_RESULT($libc_minimum_kernel) - if test "$libc_minimum_kernel" = ok; then - AC_DEFINE_UNQUOTED(__LINUX_KERNEL_VERSION, $decnum) - AC_DEFINE_UNQUOTED(__ABI_TAG_VERSION, $abinum) - else - AC_MSG_ERROR([*** The available kernel headers are older than the requested +AC_MSG_RESULT($libc_minimum_kernel) +if test "$libc_minimum_kernel" = ok; then + AC_DEFINE_UNQUOTED(__LINUX_KERNEL_VERSION, $decnum) + AC_DEFINE_UNQUOTED(__ABI_TAG_VERSION, $abinum) +else + AC_MSG_ERROR([*** The available kernel headers are older than the requested *** compatible kernel version]) - fi fi # The result of the above test for the use of the FDE code is invalid if |