From d17e57310fbe6be0e060734ed4942d2a4c6d61b2 Mon Sep 17 00:00:00 2001
From: smlng <s@mlng.net>
Date: Tue, 20 Dec 2016 19:40:55 +0100
Subject: [PATCH] shell: fix strtok_r compile error

---
 sys/shell/commands/sc_gnrc_6ctx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/shell/commands/sc_gnrc_6ctx.c b/sys/shell/commands/sc_gnrc_6ctx.c
index 07c3fccffb..3ea67493bf 100644
--- a/sys/shell/commands/sc_gnrc_6ctx.c
+++ b/sys/shell/commands/sc_gnrc_6ctx.c
@@ -12,6 +12,8 @@
  * @file
  */
 
+/* Required for strtok_r in string.h, when building with -std=c99 */
+#define _DEFAULT_SOURCE 1
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>