Merge pull request #10196 from wxy/20180822-What-is-a-Makefile-and-how-does-it-work

PRF:20180822 What is a Makefile and how does it work
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Xingyu.Wang 2018-09-14 12:51:45 +08:00 committed by GitHub
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@ -48,6 +48,7 @@ sub_target: sub_target.c
目标并不要求是一个文件,也可以只是步骤的名字,就如我们的例子中一样。我们称之为“伪目标”。
再回到上面的示例中,当 `make` 被执行时,整条指令 `echo "Hello World"` 都被显示出来,之后才是真正的执行结果。如果不希望指令本身被打印处理,需要在 `echo` 前添加 `@`
```
say_hello:
        @echo "Hello World"