64 位CentOS 6.7 安装gcc V4.4.7的操作步骤 以及配套所需的rpm格式安装包 安装步骤： 1、rpm -ivh mpfr-2.4.1-6.el6.x86_64.rpm 2、rpm -ivh ppl-0.10.2-11.el6.x86_64.rpm 3、rpm -ivh cloog-ppl-0.15.7-1.2.el6.x86_64.rpm 4、rpm -ivh cpp-4.4.7-17.el6.x86_64.rpm 5、rpm -Uvh libgcc-4.4.7-17.el6.x86_64.rpm 6、rpm -Uvh libgomp-4.4.7-17.el6.x86_64.rpm 7、rpm-ivh gcc-4.4.7-17.el6.x86_64.rpm