From c4908d9450e45af7b5578de3800859af2ef4705b Mon Sep 17 00:00:00 2001
From: ISMB Pert <pert@ismb.it>
Date: Wed, 7 Aug 2013 10:56:51 +0200
Subject: [PATCH] Fix rpl-udp build failure on native target, reported on
 contiki mailing list

http://sourceforge.net/mailarchive/forum.php?thread_name=a2b9cb98ac4a191867afc953113fabaa%40amnesiak.org&forum_name=contiki-developers
---
 Makefile.include | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile.include b/Makefile.include
index 4933d204e..023bb711b 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -14,6 +14,10 @@ ifeq ($(TARGET),)
   endif
 endif
 
+ifeq ($(UIP_CONF_IPV6),1)
+  CFLAGS += -DUIP_CONF_IPV6=1
+endif
+
 ifeq ($(DEFINES),)
   -include Makefile.$(TARGET).defines
   ifneq ($(DEFINES),)