# 第12章 构建文档

本章的主要内容有：

* 使用Doxygen构建文档
* 使用Sphinx构建文档
* 结合Doxygen和Sphinx

文档在所有的软件项目都是有必要的：对于用户来说，了解如何获得并构建代码，并且如何有效地使用源代码或库；对于开发人员来说，文档可用来描述你源码细节，并帮助其他程序员参与其中为该项目作出贡献。本章将展示如何使用CMake构建代码文档，这里使用了两个流行的文档框架：Doxygen和Sphinx。


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