$OpenBSD: patch-include_vlc_common_h,v 1.1 2010/05/05 08:43:35 edd Exp $
--- include/vlc_common.h.orig	Fri Apr 30 15:50:36 2010
+++ include/vlc_common.h	Fri Apr 30 15:52:16 2010
@@ -79,7 +79,11 @@
 #   else
 #     define LIBVLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 #   endif
-#   define LIBVLC_USED __attribute__ ((warn_unused_result))
+#   if __GNUC__ > 3 || (__GNUC__ == 3 && (__GNUC_MINOR__ >= 4))
+#     define LIBVLC_USED __attribute__ ((warn_unused_result))
+#   else
+#     define LIBVLC_USED
+#   endif
 #else
 #   define LIBVLC_FORMAT(x,y)
 #   define LIBVLC_USED