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From d7b20d9bbed23a7a7e40af2f5e78f37ff67e8d93 Mon Sep 17 00:00:00 2001
From: Rodrigo Rebello <rprebello@gmail.com>
Date: Mon, 23 Nov 2015 02:12:48 -0200
Subject: [PATCH] src: fix build with musl libc

The GNU version of 'struct tcphdr' is not exposed by musl libc headers
unless _GNU_SOURCE is defined. Without this definition, the build fails
with:

  rpc.c: In function 'rpc_helper_cb':
  rpc.c:351:15: error: 'struct tcphdr' has no member named 'doff'
     offset += th->doff * 4;
                 ^

Upstream status: sent
http://patchwork.ozlabs.org/patch/547376/

Signed-off-by: Rodrigo Rebello <rprebello@gmail.com>
---
 src/helpers/rpc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/helpers/rpc.c b/src/helpers/rpc.c
index 82493c2..3a7b337 100644
--- a/src/helpers/rpc.c
+++ b/src/helpers/rpc.c
@@ -28,6 +28,7 @@
 
 #include <rpc/rpc_msg.h>
 #include <rpc/pmap_prot.h>
+#define _GNU_SOURCE
 #include <netinet/tcp.h>
 #include <netinet/udp.h>
 
-- 
2.1.4