From 30173cbe326f24f9341b672db1ecd92003bb8485 Mon Sep 17 00:00:00 2001
From: dingjun <fangdingjun@gmail.com>
Date: Tue, 11 Apr 2017 16:27:37 +0800
Subject: [PATCH] fix build error when use RPI toolchain

---
 redir_iptables_2.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/redir_iptables_2.go b/redir_iptables_2.go
index 6a2abb5..57c10a1 100644
--- a/redir_iptables_2.go
+++ b/redir_iptables_2.go
@@ -11,6 +11,11 @@ package obfssh
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
 
+// the RPI toolchain does not have this macro
+#ifndef IP6T_SO_ORIGINAL_DST
+#define IP6T_SO_ORIGINAL_DST 80
+#endif
+
 int get_original_dst4(int fd, void *addr);
 int get_original_dst6(int fd, void *addr);