--- nfs-utils-1.3.0.orig/utils/exportfs/exportfs.c	2014-03-25 16:12:07.000000000 +0100
+++ nfs-utils-1.3.0/utils/exportfs/exportfs.c	2014-05-17 21:20:01.548725048 +0200
@@ -12,6 +12,10 @@
 #include <config.h>
 #endif
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/vfs.h>