Don't use delayed expansion for setting GCC_ARGS on linux
This makes the behavior consistent with all of the other assignments to GCC_ARGS above
Extracted from
@@ -92,7 +92,7 @@ else ifeq ($(OS),Linux)
GXX_ARGS += -Werror -Wcast-qual -Wcast-align -Wwrite-strings \
-Wall -Wno-unused-parameter \
-fno-common -g -DDEBUG -fpic
-GCC_ARGS = $(GXX_ARGS) -Wstrict-prototypes -Waggregate-return
+GCC_ARGS := $(GXX_ARGS) -Wstrict-prototypes -Waggregate-return
else
$(error "Unsupported os " $(OS))
endif
