makefile or

1. makefile ifeq or 연산

- http://stackoverflow.com/questions/7656425/makefile-ifeq-logical-or

makefile은 or 연사자가 없음. filter를 이용해야 함

ifeq ($(GCC_MINOR), 4)
    CFLAGS += -fno-strict-overflow
endif
ifeq ($(GCC_MINOR), 5)
    CFLAGS += -fno-strict-overflow
endif

->  ifeq ($(GCC_MINOR),$(filter $(GCC_MINOR),4 5))