--- ltp-full-20170929.orig/testcases/kernel/syscalls/fanotify/fanotify04.c	2017-09-29 17:11:54.000000000 +0200
+++ ltp-full-20170929/testcases/kernel/syscalls/fanotify/fanotify04.c	2017-10-05 18:58:09.691411411 +0200
@@ -29,6 +29,7 @@
 #define _GNU_SOURCE
 #include "config.h"
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <sys/stat.h>
 #include <sys/types.h>
