gcc目前是5.2版,而CentOS6.6自带的是gcc4.4.7。下面记述三种安装方法: (其中两种安装成功,另一种有待验证)
1、最容易的方法: 使用devtools2(gcc4.8.2)
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 devtoolset-2-gcc-c++
scl enable devtoolset-2 bash
参考: http://hiltmon.com/blog/2015/08/09/c-plus-plus-11-on-centos-6-dot-6/
2、使用gsrc: (有待验证)
sudo yum install bzr
bzr checkout http://bzr.savannah.gnu.org/r/gsrc/trunk gsrc
./bootstrap
./configure --prefix=~/local
make -C gnu/gcc // [ng] network broken while downloading gcc5.2 source code package.
(or make -C gnu/gcc MAKE_ARGS_PARALLEL="-jN" to speed up for a N-core system)
make -C gnu/gcc install
http://stackoverflow.com/questions/9644321/install-gcc-c-on-centos-without-yum
3、下载gcc5.2源代码包进行安装:
自行下载gcc5.2源代码包,解压。 此外还需下载三个依赖包:
wget http://www.multiprecision.org/mpc/download/mpc-1.0.1.tar.gz
wget http://mpfr.loria.fr/mpfr-current/mpfr-3.1.3.tar.bz2
wget https://gmplib.org/download/gmp/gmp-5.1.3.tar.bz2
cd gcc-5.2.0 tar -zxvf ../mpc-1.0.1.tar.gz tar -jxvf ../mpfr-3.1.3.tar.bz2 tar -jxvf ../gmp-5.1.3.tar.bz2 mv mpc-1.0.1 mpc mv mpfr-3.1.2 mpfr mv gmp-5.1.3 gmp ./configure --prefix=/opt/gcc-5.2.0/ make make -k check make install参考: http://wiki.mikejung.biz/Gcc_CentOS (注: 此文描述安装gcc4.8.2,额外用到的两个包上面没有用到。)