[toolchain] gcc: build with HOST_CFLAGS

Turns on -O2 optimization when building GCC thus making the cross-compiler a
little faster (about 25%).

Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34266 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/toolchain/gcc/common.mk b/toolchain/gcc/common.mk
index 6e4c612..924ed90 100644 (file)
--- a/toolchain/gcc/common.mk
+++ b/toolchain/gcc/common.mk
@@ -180,6 +180,7 @@ endif
 GCC_MAKE:= \
        export SHELL="$(BASH)"; \
        $(MAKE) \
+               CFLAGS="$(HOST_CFLAGS)" \
                CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
                CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"