CentOS 6.8 に gcc 4.8.2 をインストールする

やったことは、以下の記事と同じ。

Install g++/gcc 4.8.2 in CentOS 6.6 - Qiita

$ sudo wget http://people.centos.org/tru/devtools-2/devtools-2.repo -O /etc/yum.repos.d/devtools-2.repo 
$ sudo yum install devtoolset-2-gcc devtoolset-2-binutils $ sudo yum install devtoolset-2-gcc-c++ devtoolset-2-gcc-gfortran
$ scl enable devtoolset-2 bash
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/opt/rh/devtoolset-2/root/usr/libexec/gcc/x86_64-redhat-linux/4.8.2/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/opt/rh/devtoolset-2/root/usr --mandir=/opt/rh/devtoolset-2/root/usr/share/man --infodir=/opt/rh/devtoolset-2/root/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --enable-languages=c,c++,fortran,lto --enable-plugin --with-linker-hash-style=gnu --enable-initfini-array --disable-libgcj --with-isl=/dev/shm/home/centos/rpm/BUILD/gcc-4.8.2-20140120/obj-x86_64-redhat-linux/isl-install --with-cloog=/dev/shm/home/centos/rpm/BUILD/gcc-4.8.2-20140120/obj-x86_64-redhat-linux/cloog-install --with-mpc=/dev/shm/home/centos/rpm/BUILD/gcc-4.8.2-20140120/obj-x86_64-redhat-linux/mpc-install --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix 
gcc version 4.8.2 20140120 (Red Hat 4.8.2-15) (GCC)

とくに問題なくインストールできた。