-LDFLAGS += $(if $(DARWIN),-L/opt/local/lib,-Wl,-warn-common)
-CFLAGS += --std=gnu99 -I../ -I../common $(if $(DARWIN),-I/opt/local/include,)
+LDFLAGSBASE += $(if $(DARWIN),-L/opt/local/lib,-Wl,-warn-common)
+CFLAGSBASE += --std=gnu99 -I../ -I../common $(if $(DARWIN),-I/opt/local/include,)