继续翻译

This is how we would write the makefile in actual practice.  (The complications associated with `clean' are described elsewhere.  See *note Phony Targets::, and *note Errors in Recipes: Errors.)                                                   Because implicit rules are so convenient, they are important.  You will see them used frequently.

这是我们如何在实际的实践中如何写 makefile的方式。

(关于 clean 相关的杂七杂八的部分会在其他的部分讲述。可以参看：

  *note Phony Targets::, and note Errors in Recipes: Errors.

)

 

因为隐式的规则是如此便利，所以它们是很重要的。你将会看到它们经常被使用。 

后文待续