1、下载需要的(版本)[https://cmake.org/download/]
https://cmake.org/download/
2、解压、编译并安装到制定目录，修改环境变量
tar -zxvf cmake-3.20.0-rc1.tar.gz
cd cmake-3.20.0-rc1
./bootstrap --prefix=/opt/cmake-install
make
make install配置环境变量
sudo gedit ~/.bashrc添加下面两行
export PATH=/opt/cmake-install/bin:$PATHexport CMAKE_PREFIX_PATH=/opt/cmake-install:$CMAKE_PREFIX_PATH保存一下并运行
source ~/.bashrc)
)
