文件名就写Makefile 使用不标准的文件名作为Makefile文件,则使用-f指定Makefile文件 如果make命令没有找到Makefile文件,这时必须指定一个goal(target)make将尝试使用内置的隐式规则去构建它include#暂停当前makefile,读取其他makefile,就理解为C语言中的#includeThe include directive tellsmaketosuspendreading the current makefile andreadone ormoreother makefiles before continuing.#变量赋值immediatedeferred immediate ?deferred immediate :immediate immediate ::immediate immediate :::immediate-with-escape immediatedeferred or immediate immediate!immediate