--- ./ntpdc/ntpdc.c.orig	2009-07-02 11:21:10.000000000 +0200
+++ ./ntpdc/ntpdc.c	2009-07-02 11:22:12.000000000 +0200
@@ -2,6 +2,8 @@
  * ntpdc - control and monitor your ntpd daemon
  */
 
+#define _GNU_SOURCE
+
 #include <stdio.h>
 
 #include "ntpdc.h"
--- ./ntpq/ntpq.c.orig	2009-07-02 11:23:28.000000000 +0200
+++ ./ntpq/ntpq.c	2009-07-02 11:23:31.000000000 +0200
@@ -2,6 +2,8 @@
  * ntpq - query an NTP server using mode 6 commands
  */
 
+#define _GNU_SOURCE
+
 #include <stdio.h>
 
 #include "ntpq.h"