diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/configure')
| -rw-r--r-- | sysdeps/unix/sysv/linux/configure | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure index e66768430e..e8d884df82 100644 --- a/sysdeps/unix/sysv/linux/configure +++ b/sysdeps/unix/sysv/linux/configure @@ -49,13 +49,39 @@ configure option --with-headers." 1>&2; exit 1; } fi # If the user gave a minimal version number test whether the available -# kernel headers are young enough. +# kernel headers are young enough. Additionally we have minimal +# kernel versions for some architectures. +if test -n "$minimum_kernel"; then + case "$machine" in + sh*) + arch_minimum_kernel=2.3.99 + ;; + *) + ;; + esac + + user_version=$((`echo $minimum_kernel.0.0.0 | sed 's/\(0-9*\)\.\(0-9*\)\.\(0-9*\).*/\1 \* 65536 + \2 \* 256 + \3/'`)) + arch_version=$((`echo $arch_minimum_kernel.0.0.0 | sed 's/\(0-9*\)\.\(0-9*\)\.\(0-9*\).*/\1 \* 65536 + \2 \* 256 + \3/'`)) + if test $user_version -lt $arch_minimum_kernel; then + echo "configure: warning: minimum kernel version reset to $arch_minimum_kernel" 1>&2 + minimum_kernel=$arch_minimum_kernel + fi +else + case "$machine" in + sh*) + minimum_kernel = 2.3.99 + ;; + *) + ;; + esac +fi + if test -n "$minimum_kernel"; then echo $ac_n "checking for kernel header at least $minimum_kernel""... $ac_c" 1>&6 -echo "configure:56: checking for kernel header at least $minimum_kernel" >&5 +echo "configure:82: checking for kernel header at least $minimum_kernel" >&5 decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`; cat > conftest.$ac_ext <<EOF -#line 59 "configure" +#line 85 "configure" #include "confdefs.h" #include <linux/version.h> #if LINUX_VERSION_CODE < $decnum @@ -109,7 +135,7 @@ fi # Under Linux the LinuxThreads add-on should be available. case $add_ons in - # Both are available. Good. + # It is available. Good. *linuxthreads*) message= ;; @@ -162,7 +188,7 @@ if test $host = $build; then ac_prefix=$ac_default_prefix fi echo $ac_n "checking for symlinks in ${ac_prefix}/include""... $ac_c" 1>&6 -echo "configure:166: checking for symlinks in ${ac_prefix}/include" >&5 +echo "configure:192: checking for symlinks in ${ac_prefix}/include" >&5 ac_message= if test -L ${ac_prefix}/include/net; then ac_message="$ac_message |