From d74336e96dc24b578324f45d57e108d686a95df5 Mon Sep 17 00:00:00 2001
From: Aleksander Morgado <aleksander@lanedo.com>
Date: Fri, 24 Aug 2012 11:37:38 +0200
Subject: build: warn about unused but set variables

---
 m4/compiler_warnings.m4 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'm4/compiler_warnings.m4')

diff --git a/m4/compiler_warnings.m4 b/m4/compiler_warnings.m4
index 0e36494a..519647a4 100644
--- a/m4/compiler_warnings.m4
+++ b/m4/compiler_warnings.m4
@@ -10,7 +10,8 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
 	for option in -Wmissing-declarations -Wmissing-prototypes \
 		      -Wdeclaration-after-statement -Wstrict-prototypes \
 		      -Wno-unused-parameter -Wno-sign-compare \
-		      -fno-strict-aliasing -Wno-deprecated-declarations; do
+		      -fno-strict-aliasing -Wno-deprecated-declarations \
+		      -Wno-unused-but-set-variable; do
 		SAVE_CFLAGS="$CFLAGS"
 		CFLAGS="$CFLAGS $option"
 		AC_MSG_CHECKING([whether gcc understands $option])
-- 
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