CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
-isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
-ifdef BUILD_TAG
-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
- -DBUILD_TAG='"$(BUILD_TAG)"'
-else
CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
+
+ifdef BUILD_TAG
+CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
endif
CFLAGS_SSP := $(call cc-option,-fno-stack-protector)