CMake是用于生成make文件的跨平台编译文件
参考：
https://www.cnblogs.com/hbccdf/p/introduction_of_cmake.html
https://elloop.github.io/tools/2016-04-10/learning-cmake-2-commands
参考：
https://www.cnblogs.com/hbccdf/p/introduction_of_cmake.html
https://elloop.github.io/tools/2016-04-10/learning-cmake-2-commands