1)官网下载合适的版本
https://cmake.org/download/
or cmake-3.19.4.tar.gz
https://download.csdn.net/download/liyunlong19870123/15009838
2)下载后解压,然后进入目录执行:
sudo ./bootstrap
3)编译:
sudo make -j 8 (这条命令可能会很耗费时间,需要有耐心)
4)安装:
sudo make install
5)确认
cmake --version
6)安装cmake时,报错
Could not find OpenSSL. Install an OpenSSL development package or...
sudo apt-get install libssl-dev
安装 openssl 的编译依赖, 解决.