makefile文件备份

PROJECT := caffeCONFIG_FILE := Makefile.config# Explicitly check for the config file, otherwise make -k will proceed anyway.ifeq ($(wildcard $(CONFIG_FILE)),)$(error $(CONFIG_FILE) not found. See $(CONFIG_FILE).example.)endifinclude $(CONFIG_FILE)BUILD_DIR_LINK := $(BUILD_DIR)ifeq ($(RELEASE_BUILD_DIR),)        RELEASE_BUILD_DIR := .$(BUILD_DIR)_releaseendififeq ($(DEBUG_BUILD_DIR),)        DEBUG_BUILD_DIR := .$(BUILD_DIR)_debugendifDEBUG ?= 0ifeq ($(DEBUG), 1)        BUILD_DIR := $(DEBUG_BUILD_DIR)        OTHER_BUILD_DIR := $(RELEASE_BUILD_DIR)输入  :quit<Enter>  退出 Vim                                       1,1          顶端