CPU_CFLAGS = \
-funsigned-char -fno-builtin -fno-asm \
--std=gnu99 -ffunction-sections -fdata-sections \
+ -Wno-unused-but-set-variable \
$(TARGET_CFLAGS)
UCLIBC_MAKE = PATH='$(TOOLCHAIN_DIR)/initial/bin:$(TARGET_PATH)' $(MAKE) -C $(HOST_BUILD_DIR) \