From 3ab6082a0fec9a5df039fe857a6ac3ca08ecd825 Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@revosec.ch>
Date: Thu, 8 May 2014 15:12:06 +0200
Subject: [PATCH] configure: Mark conftest variable as unused to pass test with
 -Werror

When using -Werror, the warning for the unused variable would let the test fail,
even if in6addr_any is available.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 6e836146b..e5087d049 100644
--- a/configure.ac
+++ b/configure.ac
@@ -609,7 +609,7 @@ AC_COMPILE_IFELSE(
 		[[#include <sys/types.h>
 		  #include <sys/socket.h>
 		  #include <netinet/in.h>]],
-		[[struct in6_addr in6;
+		[[struct in6_addr in6 __attribute__((unused));
 		  in6 = in6addr_any;]])],
 	[AC_MSG_RESULT([yes]);
 	 AC_DEFINE([HAVE_IN6ADDR_ANY], [], [have struct in6_addr in6addr_any])],