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Linux--ubuntu 14.04 install g++问题

2016-02-13 22:08 549 查看
Ubuntu 10.10通过 sudo apt-get install g++ 出现“g++ : Depends: g++-4.8 (>= 4.8.2-5~) but it is not going to be installed”错误。

是因为ubuntu 10.10的源过旧或不可访问导致,可以通过更新源解决。

首先,备份原始源文件source.list

sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup

其次,依据ubuntu的版本添加新的源

1)lsb_release -a查看ubuntu版本号

比如 No LSB modules are available.

Distributor ID: Ubuntu

Description: Ubuntu 14.04 LTS

Release: 14.04

Codename: trusty

2)依据版本号如14.04 trusty选择新的源文件,并添加到/etc/apt/source.list文件尾部

例如,我参考
http://chenrongya.blog.163.com/blog/static/8747419620143185103297/
http://wiki.ubuntu.org.cn/Template:14.04source,
选择Ubuntu 官方更新服务器(欧洲,此为官方源,国内较慢,但无同步延迟问题,电信、移动/铁通、联通等公网用户可以使用):

deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse

deb-src http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse

并将这些源添加到/etc/apt/source.list文件末尾

3)更新ubuntu 源

sudo apt-get update

虽然这时还能看到部分源的包不能下载,但没关系,系统会自动的从新添加的源下载。

4)这时再次运行sudo apt-get install g++就能正常安装了。

Linux下gcc与g++的差别:http://www.linuxdiyf.com/linux/13654.html

Ubuntu gcc g++ 4.4降级到4.3:http://www.linuxdiyf.com/linux/11815.html

Ubuntu更换gcc g++编译器默认版本:http://www.linuxdiyf.com/linux/2921.html

转载自:http://www.linuxdiyf.com/linux/15487.html

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