From c0a0d427bdc0cf18940874e9aa34006da98d10a1 Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Tue, 5 Mar 2013 13:49:15 +0800
Subject: [PATCH] configure.ac: Add --enable-werror

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Geoff Levand <geoff@infradead.org>
---
 configure.ac.in | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure.ac.in b/configure.ac.in
index b1791cd..1f4a419 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -167,6 +167,14 @@ default_cflags="--std=gnu99 -g \
 	-Wall -W -Wunused -Wstrict-prototypes -Wmissing-prototypes \
 	-Wmissing-declarations -Wredundant-decls -Winline"
 
+AC_ARG_ENABLE(
+	[werror],
+	[AS_HELP_STRING([--enable-werror],
+		[build programs with -Werror]
+	)],
+	[default_cflags="$default_cflags -Werror"]
+)
+
 AS_IF(
 	[test "x$enable_debug" = "xyes"],
 	[AC_SUBST([DEFAULT_CFLAGS], ["$default_cflags -O0 -DDEBUG"])],
-- 
2.39.2