From 227530375704f8aa5ae3af0b88d7749f7cf7e7d0 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Sun, 6 Nov 2016 15:20:23 +0100
Subject: [PATCH] iptables: declare _GNU_SOURCE to define RTLD_NEXT

This is required to build firewall3 on non-musl systems.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---
 iptables.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/iptables.h b/iptables.h
index efd7cf3..1d98b76 100644
--- a/iptables.h
+++ b/iptables.h
@@ -19,6 +19,8 @@
 #ifndef __FW3_IPTABLES_H
 #define __FW3_IPTABLES_H
 
+#define _GNU_SOURCE /* RTLD_NEXT */
+
 #include <libiptc/libiptc.h>
 #include <libiptc/libip6tc.h>
 #include <xtables.h>
-- 
2.25.1