From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 15 Feb 2012 19:19:12 +0000 (+0000)
Subject: build: add -Wno-error=unused-but-set-variable to cflags for gcc 4.6 and newer to... 
X-Git-Tag: attitude_adjustment_12.09~2340
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=27bb12af0f6efb44537e87e05d1309405d70f32b;p=openwrt%2Fsvn-archive%2Fopenwrt.git

build: add -Wno-error=unused-but-set-variable to cflags for gcc 4.6 and newer to avoid stupid -Werror related package breakage

SVN-Revision: 30556
---

diff --git a/rules.mk b/rules.mk
index c6e571115c..474c0e2461 100644
--- a/rules.mk
+++ b/rules.mk
@@ -128,7 +128,7 @@ ifndef DUMP
     -include $(TOOLCHAIN_DIR)/info.mk
     export GCC_HONOUR_COPTS:=0
     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
-    TARGET_CFLAGS+= -fhonour-copts
+    TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)