New upstream version 0.7.11

[mirror_zfs-debian.git] / config / kernel-get-disk-ro.m4

diff --git a/config/kernel-get-disk-ro.m4 b/config/kernel-get-disk-ro.m4
index 365afdbc699fc76ea9014d4e9d66ce8f7ae28207..13ed81217ee3ea472efbc1e237e59dcd039483d7 100644 (file)
--- a/config/kernel-get-disk-ro.m4
+++ b/config/kernel-get-disk-ro.m4
@@ -3,6 +3,8 @@ dnl # 2.6.x API change
 dnl #
 AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [
        AC_MSG_CHECKING([whether get_disk_ro() is available])
+       tmp_flags="$EXTRA_KCFLAGS"
+       EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}"
        ZFS_LINUX_TRY_COMPILE([
                #include <linux/blkdev.h>
        ],[
@@ -15,4 +17,5 @@ AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [
        ],[
                AC_MSG_RESULT(no)
        ])
+       EXTRA_KCFLAGS="$tmp_flags"
 ])