From 398993e2f4023a2c968d794d583a50dcadd5d4ff Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Mon, 24 Jan 2011 15:57:33 -0600
Subject: [PATCH] build: turn off set-but-not-used variable warnings in new GCC

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

diff --git a/m4/compiler_warnings.m4 b/m4/compiler_warnings.m4
index 6cea2f74e7..be69af2785 100644
--- a/m4/compiler_warnings.m4
+++ b/m4/compiler_warnings.m4
@@ -10,7 +10,7 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
 	for option in -Wshadow -Wmissing-declarations -Wmissing-prototypes \
 		      -Wdeclaration-after-statement -Wstrict-prototypes \
 		      -Wfloat-equal -Wno-unused-parameter -Wno-sign-compare \
-		      -fno-strict-aliasing; do
+		      -fno-strict-aliasing -Wno-unused-but-set-variable; do
 		SAVE_CFLAGS="$CFLAGS"
 		CFLAGS="$CFLAGS $option"
 		AC_MSG_CHECKING([whether gcc understands $option])