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This article mainly shows you "CentOS6.5 how to upgrade gcc with yum", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "CentOS6.5 how to upgrade gcc with yum" this article.

It was decided to upgrade gcc because it needed to use gcc4.4.7 11, but the gcc4.4.7 included with CentOS did not support it.

Do the following:

# backup

Mv / etc/yum.repos.d/devtools-2.repo / etc/yum.repos.d/devtools-2.repo.bak wget http://people.centos.org/tru/devtools-2/devtools-2.repo-O / etc/yum.repos.d/devtools-2.repo

Yum install devtoolset-2-gcc devtoolset-2-binutils

Yum install devtoolset-2-gcc-c++

These three files will be downloaded to: / opt/rh/devtoolset-2/root/, and then set the soft link:

Mv / usr/bin/gcc / usr/bin/gcc-4.4.7

Mv / usr/bin/g++ / usr/bin/g++-4.4.7

Mv / usr/bin/c++ / usr/bin/c++-4.4.7

# set soft links

Ln-s / opt/rh/devtoolset-2/root/usr/bin/gcc / usr/bin/gcc

Ln-s / opt/rh/devtoolset-2/root/usr/bin/c++ / usr/bin/c++

Ln-s / opt/rh/devtoolset-2/root/usr/bin/g++ / usr/bin/g++

Gcc-v

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