linux ubuntu 14.0 升级g++到6的版本

1. sudo apt-get install software-properties-common

2. sudo add-apt-repository ppa:ubuntu-toolchain-r/test

3. sudo apt-get update

4. sudo apt-get install gcc-6 g++-6

5. sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 30 --slave /usr/bin/g++ g++ /usr/bin/g++-6

6. sudo update-alternatives --config gcc

7. g++ --version

 

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Origin blog.csdn.net/qq_36940806/article/details/105155891