超算平台安装（四）CentOS7下安装和配置gcc9.3.0

1、安装依赖包
yum -y groupinstall "development tools" 
yum -y install dejagnu texinfo

2、安装
cd /home/share
tar -zxf gcc-9.3.0.tar.gz
rm -f gcc-9.3.0.tar.gz
cd gcc-9.3.0
./contrib/download_prerequisites
mkdir build
cd build
../configure --prefix=/home/software/gcc-9.3.0 --enable-bootstrap --enable-checking=release --enable-languages=c,c++ --disable-multilib
make -j2 && make install

3、移除安装包
cd /home/share
rm -rf gcc-9.3.0

4、更新lib库软链接
cd /lib64/
rm -f libstdc++.so.6
ln -s /home/software/gcc-9.3.0/lib64/libstdc++.so.6.0.28 libstdc++.so.6

配置环境变量模块
mkdir -p /home/software/modules/gcc/
vi /home/software/modules/gcc/9.3

#%Module1.0

set             GCC                     /home/software/gcc-9.3.0
prepend-path    PATH                    ${GCC}/bin
prepend-path    LD_LIBRARY_PATH         ${GCC}/lib64
prepend-path    INCLUDE                 ${GCC}/include