--- util-src/time.c.orig	2018-12-01 10:50:51.975557000 +0000
+++ util-src/time.c	2018-12-01 10:51:05.667316000 +0000
@@ -1,5 +1,5 @@
 #ifndef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199309L
+#define _POSIX_C_SOURCE 200809L
 #endif

 #include <time.h>