LU-5276 build: handle RHEL ldiskfs series more accurated

[fs/lustre-release.git] / config / lustre-build-linux.m4

diff --git a/config/lustre-build-linux.m4 b/config/lustre-build-linux.m4
index 9d94761..3ba2e9c 100644 (file)
--- a/config/lustre-build-linux.m4
+++ b/config/lustre-build-linux.m4
@@ -88,17 +88,18 @@ AC_MSG_RESULT($RELEASE)
 AC_SUBST(RELEASE)
 
 # check if the kernel is one from RHEL or SUSE
-AC_CACHE_CHECK([for RedHat kernel version], lb_cv_rhel_kernel_version, [
+AC_CACHE_CHECK([for RedHat kernel release number], lb_cv_rhel_kernel_version, [
 lb_cv_rhel_kernel_version=""
-AS_IF([fgrep -q RHEL_RELEASE $LINUX_OBJ/include/$VERSION_HDIR/version.h],
-       [RHEL_RELEASE=$(expr 0$(awk -F \" '/ RHEL_RELEASE / { print [$]2 }' \
-                      $LINUX_OBJ/include/$VERSION_HDIR/version.h) + 1)
-       KERNEL_VERSION=$(sed -e 's/\(@<:@23@:>@\.@<:@0-9@:>@*\.@<:@0-9@:>@*\).*/\1/' <<< $LINUXRELEASE)
-       lb_cv_rhel_kernel_version=${KERNEL_VERSION}-${RHEL_RELEASE}])
+AS_IF([fgrep -q RHEL_RELEASE $LINUX_OBJ/include/$VERSION_HDIR/version.h], [
+       lb_cv_rhel_kernel_version=$(awk '/ RHEL_MAJOR / { print [$]3 }' \
+               $LINUX_OBJ/include/$VERSION_HDIR/version.h)$(awk \
+               '/ RHEL_MINOR / { print [$]3 }' \
+               $LINUX_OBJ/include/$VERSION_HDIR/version.h)
+])
 ])
 AS_IF([test -n "$lb_cv_rhel_kernel_version"], [
        RHEL_KERNEL="yes"
-       RHEL_KERNEL_VERSION=$lb_cv_rhel_kernel_version
+       RHEL_RELEASE_NO=$lb_cv_rhel_kernel_version
 ], [
        RHEL_KERNEL="no"
        LB_CHECK_CONFIG([SUSE_KERNEL], [SUSE_KERNEL="yes"], [SUSE_KERNEL="no"])