下载：https://cmake.org/download/

下载完成后，双击安装

安装完成后，打开命令行，运行

bogon:~ macname$ sudo "/Applications/CMake.app/Contents/bin/cmake-gui" --install
Password:
Linked: '/usr/local/bin/cmake' -> '/Applications/CMake.app/Contents/bin/cmake'
Linked: '/usr/local/bin/ctest' -> '/Applications/CMake.app/Contents/bin/ctest'
Linked: '/usr/local/bin/cpack' -> '/Applications/CMake.app/Contents/bin/cpack'
Linked: '/usr/local/bin/cmake-gui' -> '/Applications/CMake.app/Contents/bin/cmake-gui'
Linked: '/usr/local/bin/ccmake' -> '/Applications/CMake.app/Contents/bin/ccmake'

查看版本

bogon:~ macname$ cmake -version
cmake version 3.15.

CMake suite maintained and supported by Kitware (kitware.com/cmake).
bogon:~ macname$

参考：

https://blog.csdn.net/qq_21046135/article/details/78767134

https://cmake.org/download/