ubuntu安装cmake及gcc

下载地址:https://cmake.org/download/

用wget下载。然后解压

tar -zxvf cmake

cd进去然后

./bootstrap

如果缺少openssl,则安装

apt-get install libssl-dev

如果是centos系统

yum install openssl-devel

然后make,然后make install

cmake --version //查看版本

which cmake //查看路径

开始安装gcc

sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt update
sudo apt install gcc-9 g++-9
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 60 --slave /usr/bin/g++ g++ /usr/bin/g++-9

或者这个
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:jonathonf/gcc-9.0
sudo apt-get update
sudo apt-get install gcc-9

安装gcc10

sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
sudo apt update
sudo apt install gcc-10 g++-10 
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 60 --slave /usr/bin/g++ g++ /usr/bin/g++-10

安装gcc11

sudo apt install software-properties-common
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt update
sudo apt install gcc-11 g++-11
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 60 --slave /usr/bin/g++ g++ /usr/bin/g++-11

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