--- reiserfsprogs-3.6.24/include/misc.h.vanilla	2018-08-10 15:40:00.845375595 +0000
+++ reiserfsprogs-3.6.24/include/misc.h	2018-08-10 15:42:29.493373359 +0000
@@ -12,6 +12,8 @@
 #  include "config.h"
 #endif
 
+#define _DEFAULT_SOURCE
+
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/types.h>