From ef8ad388f76920febb1062e70a6cf32c8d824b58 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Sun, 15 Jul 2012 20:36:20 -0300
Subject: [PATCH] build: Use -Wshadow compiler option

---
 acinclude.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acinclude.m4 b/acinclude.m4
index ac29c2bb..d79458c5 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -15,7 +15,7 @@ AC_DEFUN([COMPILER_FLAGS], [
 		CFLAGS="-Wall -O2 -D_FORTIFY_SOURCE=2"
 	fi
 	if (test "$USE_MAINTAINER_MODE" = "yes"); then
-		CFLAGS="$CFLAGS -Werror -Wextra"
+		CFLAGS="$CFLAGS -Werror -Wextra -Wshadow"
 		CFLAGS="$CFLAGS -Wno-unused-parameter"
 		CFLAGS="$CFLAGS -Wno-missing-field-initializers"
 		CFLAGS="$CFLAGS -Wdeclaration-after-statement"