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网站建设需要哪些成本,wordpress国内工作室主题,5000元做百度推广效果怎么样,网页打不开的两种解决方法一、make/Makefile是什么#xff1f;简单来说#xff0c;make是一条命令#xff0c;Makefile是一个文件#xff0c;两个搭配使用#xff0c;完成项目自动化构建。 详解#xff1a; 一个工程中的源文件不计其数#xff0c;其按类型、功能、模块分别放在若干个目录中…一、make/Makefile是什么简单来说make是一条命令Makefile是一个文件两个搭配使用完成项目自动化构建。 详解 一个工程中的源文件不计其数其按类型、功能、模块分别放在若干个目录中makefile定义了一系列的规则来指定哪些文件需要先编译哪些文件需要后编译哪些文件需要重新编译甚至于进行更复杂的功能操作。 makefile带来的好处就是⸺“自动化编译”一旦写好只需要一个make命令整个工程完全自动编译极大的提高了软件开发的效率。 make是一个命令工具是一个解释makefile中指令的命令工具。二、make/Makefile的基本概念首先建立一个Makefile文件代码语言javascriptAI代码解释touch Makefile # Makefile/makefile都可以我们习惯于Makefile然后保证你有个mypro.c的c文件然后对Makefile写入代码语言javascriptAI代码解释mypro:mypro.c gcc mypro.c -o mypro # 前面的空格是一个tab的结果依赖关系和依赖方法说明在这里插入图片描述即mypro依赖于mypro.c而gcc myproc.c -o myproc 正是这种依赖方法。在对Makefile写入上述依赖关系与依赖方法之后我们就可以直接使用make命令了。在这里插入图片描述上面我们只是完成了Makefile的冰山一角有个基础的认识。 我们可以用Makefile快速生成可执行那有没有快速清理项目的呢项目清理我们可以在已经有的Makefile再进行增加代码语言javascriptAI代码解释mypro:mypro.c gcc mypro.c -o mypro .PHONY:clean clean: # 可以没有依赖关系 rm -f myproc有了上面的Makefile我们就可以进行项目清理了 像clean这种没有被第一个目标文件直接或间接关联那么它后面所定义的命令将不会被自动执行不过我们可以显示要make执行。即命令⸺make clean以此来清除所有的目标文件以便重编译。在这里插入图片描述.PHONY **但是一般我们这种clean的目标问文件我们将它设置为伪目标用.PHONY修饰伪目标的特性是总是被执行的**。 我们也可以对第一组依赖关系用.PHONY修饰来看看效果 未修饰之前在这里插入图片描述修饰之后在这里插入图片描述在这里插入图片描述有这些理解我们来看看什么叫做总是被执行什么叫做总是被执行我们要知道在编译的时候默认老代码以前编译过是不会别重新编译的很好理解但是编译器是如何知道你是老代码还是新代码/更改过的代码。www.dongchedi.com/article/7594897166766965272www.dongchedi.com/article/7594897310665245246www.dongchedi.com/article/7594897192310407705www.dongchedi.com/article/7594897631617794585www.dongchedi.com/article/7594896580080435737www.dongchedi.com/article/7594895704896684568www.dongchedi.com/article/7594897374330503705www.dongchedi.com/article/7594895618720449048www.dongchedi.com/article/7594896034183397912www.dongchedi.com/article/7594896087656694334www.dongchedi.com/article/7595300698343260734www.dongchedi.com/article/7595300086620734014www.dongchedi.com/article/7595300794661257753www.dongchedi.com/article/7595300922285146649www.dongchedi.com/article/7595300794661159449www.dongchedi.com/article/7595301535278858814www.dongchedi.com/article/7595300053246837310www.dongchedi.com/article/7595298997771141656www.dongchedi.com/article/7595298747215987224www.dongchedi.com/article/7595298653444080190www.dongchedi.com/article/7595299173835276862www.dongchedi.com/article/7595293834620191257www.dongchedi.com/article/7595294214674596377www.dongchedi.com/article/7595294735703966270www.dongchedi.com/article/7595294214674825753www.dongchedi.com/article/7595269939515703870www.dongchedi.com/article/7595270106293600793www.dongchedi.com/article/7595268901785584153www.dongchedi.com/article/7595268784974545433www.dongchedi.com/article/7595270592459506238www.dongchedi.com/article/7595268816629219865www.dongchedi.com/article/7595267640395235902www.dongchedi.com/article/7595267822872166937www.dongchedi.com/article/7595266120056422936www.dongchedi.com/article/7595265326464795161www.dongchedi.com/article/7595264479055970878www.dongchedi.com/article/7595263814942376472www.dongchedi.com/article/7595263889965924926www.dongchedi.com/article/7595264219466121753www.dongchedi.com/article/7595261441830486590www.dongchedi.com/article/7595257155528409624www.dongchedi.com/article/7595257148431974937www.dongchedi.com/article/7595255577883198014www.dongchedi.com/article/7595257264999858713www.dongchedi.com/article/7595255131160085054www.dongchedi.com/article/7595254038942401086www.dongchedi.com/article/7595272535034430014www.dongchedi.com/article/7595273235844137496www.dongchedi.com/article/7595271162356302398www.dongchedi.com/article/7595269071357231641www.dongchedi.com/article/7595269220477567512www.dongchedi.com/article/7595268287076958782www.dongchedi.com/article/7595269071357264409www.dongchedi.com/article/7595268315833270809www.dongchedi.com/article/7595265492903363096www.dongchedi.com/article/7595265055567299096www.dongchedi.com/article/7595265773019841049www.dongchedi.com/article/7595265891500114494www.dongchedi.com/article/7595264904798978585www.dongchedi.com/article/7595263429863195161www.dongchedi.com/article/7595261995696800280www.dongchedi.com/article/7595258440394818073www.dongchedi.com/article/7595256795065893401www.dongchedi.com/article/7595256961541767704www.dongchedi.com/article/7595257257731408446www.dongchedi.com/article/7595253896583774745www.dongchedi.com/article/7595252944199778841