From 3103c68210754071b3b7913482e4e8e7339084b0 Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Tue, 4 Aug 2015 19:08:30 +0200
Subject: [PATCH] configure: Explicitly disable unused parameter warnings in
 qsort_r test

When compiling with -Wextra (and without disabling these warnings
globally) the tests would otherwise fail due to the unused arguments in
the cmp() functions.

Fixes #1053.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 6b0c56bb5..fed485488 100644
--- a/configure.ac
+++ b/configure.ac
@@ -553,7 +553,7 @@ AC_CHECK_FUNC(
 		# set -Werror so that we get an error for "argument ... has
 		# incompatible pointer type" warnings
 		save_CFLAGS="$CFLAGS"
-		CFLAGS="$CFLAGS -Werror"
+		CFLAGS="$CFLAGS -Werror -Wno-unused-parameter"
 		AC_MSG_CHECKING([for GNU-style qsort_r])
 		AC_COMPILE_IFELSE(
 			[AC_LANG_PROGRAM(