CentOS6.5升级GCC4.8
# curl -Lks http://www.hop5.in/yum/el6/hop5.repo > /etc/yum.repos.d/hop5.repo
# cat /etc/yum.repos.d/hop5.repo
[hop5]
name=www.hop5.in Centos Repository
baseurl=http://www.hop5.in/yum/el6/
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-HOP5
# yum install gcc gcc-g++ -y
额外编译安装
# wget http://ftp.tsukuba.wide.ad.jp/software/gcc/releases/gcc-4.8.1/gcc-4.8.1.tar.bz2
# tar xf gcc-4.8.1.tar.bz2
# cd gcc-4.8.1/
# ./contrib/download_prerequisites
# mkdir gcc-build
# cd gcc-build/
# ../configure -enable-checking=release -enable-languages=c,c++ -disable-multilib --prefix=/usr/local/gcc-4.8.1
# make -j4 && make install
# ln -sv /usr/local/gcc-4.8.1/bin/gcc /usr/local/bin/
# ln -sv /usr/local/gcc-4.8.1/bin/g++ /usr/local/bin/
# export LD_LIBRARY_PATH=/usr/local/gcc-4.8.1/lib/:$LD_LIBRARY_PAT
# cat > /etc/ld.so.conf.d/gcc-4.8.1.conf << EOF
/usr/local/gcc-4.8.1/lib64/
EOF
# ldconfig