CMake Cookbook

Getting ready

We will use a simplified version of the message library presented in previous chapters. The source tree is organized as follows:

.├── cmake│   └── UseDoxygenDoc.cmake├── CMakeLists.txt├── docs│   ├── Doxyfile.in│   └── front_page.md└── src    ├── CMakeLists.txt    ├── hello-world.cpp    ├── Message.cpp    └── Message.hpp

We still have our sources under the src subdirectory, and we have custom CMake modules in the cmake subdirectory. Since our emphasis is on the documentation, we have removed the dependency on UUID and simplified the source code. The most significant differences are the numerous code comments in the header file:

#pragma once#include <iosfwd>#include <string>/*! \file Message.hpp *//*! \class Message * \brief Forwards string to ...