btrfs: test delayed subvolume deletion on mount and remount

[xfstests-dev.git] / m4 / visibility_hidden.m4

diff --git a/m4/visibility_hidden.m4 b/m4/visibility_hidden.m4
index 8b6d9e1904ad503f1a20b9ede2fdd9f2e485d47a..bfd74e4b64e69231cf495424854838a67a7a9084 100644 (file)
--- a/m4/visibility_hidden.m4
+++ b/m4/visibility_hidden.m4
@@ -17,6 +17,6 @@ EOF
                  rm -f conftest.[cs]
                  ])
    if test $libc_cv_visibility_attribute = yes; then
-     AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE)
+     AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE, [], [GCC supports visibility attributes])
    fi
   ])