When checking for symbol exports, try compiling.

[zfs.git] / config / kernel-mount-nodev.m4

diff --git a/config/kernel-mount-nodev.m4 b/config/kernel-mount-nodev.m4
index 9229d5b..28a4515 100644 (file)
--- a/config/kernel-mount-nodev.m4
+++ b/config/kernel-mount-nodev.m4
@@ -5,11 +5,16 @@ dnl # in the file_system_type structure.  When using the new
 dnl # interface the caller must now use the mount_nodev() helper.
 dnl # This updated callback and helper no longer pass the vfsmount.
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_MOUNT_NODEV], [
-       ZFS_CHECK_SYMBOL_EXPORT(
-               [mount_nodev],
-               [fs/super.c],
-               [AC_DEFINE(HAVE_MOUNT_NODEV, 1,
-               [mount_nodev() is available])],
-               [])
+AC_DEFUN([ZFS_AC_KERNEL_MOUNT_NODEV],
+       [AC_MSG_CHECKING([whether mount_nodev() is available])
+       ZFS_LINUX_TRY_COMPILE_SYMBOL([
+               #include <linux/fs.h>
+       ], [
+               mount_nodev(NULL, 0, NULL, NULL);
+       ], [mount_nodev], [fs/super.c], [
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_MOUNT_NODEV, 1, [mount_nodev() is available])
+       ], [
+               AC_MSG_RESULT(no)
+       ])
 ])