安装gcc-c++报错解决办法

问题

每次安装依赖包gcc-c++的时候，经常会遇到包如下错误

 

Error: Package: libstdc++-devel-4.8.5-16.el7_4.2.x86_64 (ultra-centos-7.4-updates)
           Requires: libstdc++(x86-64) = 4.8.5-16.el7_4.2
           Installed: libstdc++-4.8.5-28.el7_5.1.x86_64 (installed)
               libstdc++(x86-64) = 4.8.5-28.el7_5.1
           Available: libstdc++-4.8.5-16.el7.x86_64 (ultra-centos-7.4-base)
               libstdc++(x86-64) = 4.8.5-16.el7
           Available: libstdc++-4.8.5-16.el7_4.1.x86_64 (ultra-centos-7.4-updates)
               libstdc++(x86-64) = 4.8.5-16.el7_4.1
           Available: libstdc++-4.8.5-16.el7_4.2.x86_64 (ultra-centos-7.4-updates)
               libstdc++(x86-64) = 4.8.5-16.el7_4.2
Error: Package: glibc-headers-2.17-196.el7_4.2.x86_64 (ultra-centos-7.4-updates)
           Requires: glibc = 2.17-196.el7_4.2
           Installed: glibc-2.17-222.el7.x86_64 (installed)
               glibc = 2.17-222.el7
           Available: glibc-2.17-196.el7.x86_64 (ultra-centos-7.4-base)
               glibc = 2.17-196.el7
           Available: glibc-2.17-196.el7_4.2.x86_64 (ultra-centos-7.4-updates)
               glibc = 2.17-196.el7_4.2
Error: Package: gcc-4.8.5-16.el7_4.2.x86_64 (ultra-centos-7.4-updates)
           Requires: libgomp = 4.8.5-16.el7_4.2
           Installed: libgomp-4.8.5-28.el7_5.1.x86_64 (installed)
               libgomp = 4.8.2-16.el7_5
               libgomp = 4.8.5-28.el7_5.1
           Available: libgomp-4.8.5-16.el7.x86_64 (ultra-centos-7.4-base)
               libgomp = 4.8.5-16.el7
               libgomp = 4.8.2-16.el7
           Available: libgomp-4.8.5-16.el7_4.1.x86_64 (ultra-centos-7.4-updates)
               libgomp = 4.8.5-16.el7_4.1
               libgomp = 4.8.2-16.el7_4
           Available: libgomp-4.8.5-16.el7_4.2.x86_64 (ultra-centos-7.4-updates)
               libgomp = 4.8.5-16.el7_4.2
               libgomp = 4.8.2-16.el7_4
Error: Package: gcc-c++-4.8.5-16.el7_4.2.x86_64 (ultra-centos-7.4-updates)
           Requires: libstdc++ = 4.8.5-16.el7_4.2
           Installed: libstdc++-4.8.5-28.el7_5.1.x86_64 (installed)
               libstdc++ = 4.8.2-16.el7_5
               libstdc++ = 4.8.5-28.el7_5.1
           Available: libstdc++-4.8.5-16.el7.x86_64 (ultra-centos-7.4-base)
               libstdc++ = 4.8.5-16.el7
               libstdc++ = 4.8.2-16.el7
           Available: libstdc++-4.8.5-16.el7_4.1.x86_64 (ultra-centos-7.4-updates)
               libstdc++ = 4.8.5-16.el7_4.1
               libstdc++ = 4.8.2-16.el7_4
           Available: libstdc++-4.8.5-16.el7_4.2.x86_64 (ultra-centos-7.4-updates)
               libstdc++ = 4.8.5-16.el7_4.2
               libstdc++ = 4.8.2-16.el7_4
Error: Package: glibc-devel-2.17-196.el7_4.2.x86_64 (ultra-centos-7.4-updates)
           Requires: glibc = 2.17-196.el7_4.2
           Installed: glibc-2.17-222.el7.x86_64 (installed)
               glibc = 2.17-222.el7
           Available: glibc-2.17-196.el7.x86_64 (ultra-centos-7.4-base)
               glibc = 2.17-196.el7
           Available: glibc-2.17-196.el7_4.2.x86_64 (ultra-centos-7.4-updates)
               glibc = 2.17-196.el7_4.2
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

 

原因

yum源没有对应版本包匹配

 

解决方法

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
sed -i  's/$releasever/7/g' /etc/yum.repos.d/CentOS-Base.repo
yum repolist