ubuntu安装g++出错的问题

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看ubuntu默认的源太慢,就换了一波阿里的源,结果安装g++的时候疯狂出问题,不断提示需要依赖包,手动安装那个依赖包吧,又需要另一个依赖,贼烦,最后才意识到是源的问题,换成科大的就好了。。。

科大源的地址==》

https://lug.ustc.edu.cn/repogen/

修改方法:

sudo mv /etc/apt/sources.list /etc/apt/sources.list.bak # 备份一下旧的源配置

sudo vim /etc/apt/sources.list

然后把科大源贴上去就行了。我是Ubuntu的,所以也就是下面的这些:

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

## Not recommended
# deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse

保存退出后,更新一下系统,就可以安装了

sudo apt-get upgrade

sudo apt-get update

sudo apt-get install g++

安装完g++,gcc也会自动安上。查看一下版本信息确认安装完毕:

g++ –version

gcc –version

搞定收工



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