ubuntu16.04 updated version of gcc

sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
#如果提示未安装,还需要先安装它的包:
sudo apt-get install software-properties-common
sudo apt-get install gcc-5 g++-5
 
cd /usr/bin
 
sudo rm gcc
sudo ln -s gcc-5 gcc
 
sudo rm g++
sudo ln -s g++-5 g++

 

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Origin blog.csdn.net/yxpandjay/article/details/103769771