From 9d240b0761a249f433573ae1ef3b5a758795b7b7 Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Wed, 22 Mar 2017 17:59:20 +0100
Subject: kernel-wfp: Don't redefine IPPROTO_IP* if already defined

---
 src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c')

diff --git a/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c b/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c
index 6ad26b72f..774fcf5c8 100644
--- a/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c
+++ b/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c
@@ -25,8 +25,12 @@
 #include <collections/hashtable.h>
 #include <processing/jobs/callback_job.h>
 
+#ifndef IPPROTO_IPIP
 #define IPPROTO_IPIP 4
+#endif
+#ifndef IPPROTO_IPV6
 #define IPPROTO_IPV6 41
+#endif
 
 typedef struct private_kernel_wfp_ipsec_t private_kernel_wfp_ipsec_t;
 
-- 
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