As you can see, the rules to build the targets include intermediate steps, too, that use tools, such as sed and awk, to produce header files that are used in later steps.

正如您可以看到的，用于编译目标的规则还包括一些中间步骤，其中使用了一些相关的工具，如sed和awk，以产生在后续的步骤中将要使用的头文件。

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The header element is usually used for intermediate processors for advanced features.

该header元素通常用于中间处理器，以提供高级功能。

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