1.解压
tar -jxvf gcc-6.3.0.tar.bz2 -C ~/dev/
2.下载前前提软件包
cd gcc-6.3.0　
./contrib/download_prerequisites
cd ..
mkdir gcc-build-6.3.0
cd gcc-build-6.3.0/

../gcc-6.3.0/configure --enable-checking=release --enable-languages=c,c++ --disable-multilib

6:编绎
make -j4

7.安装
sudo make install

8.检查gcc版本
gcc --version



strings /usr/local/lib64/libstdc++.so | grep GLIBCXX


设置环境
export LD_LIBRARY_PATH=/usr/local/lib64:/home/sam/ffmpeg_build/lib:$LD_LIBRARY_PATH


ref: http://www.cnblogs.com/zhangtingkuo/archive/2013/04/06/3002982.html

CentOS编绎gcc