Centos7/RHEL/RockyLinux手动编译gcc

yum update -y
yum groupinstall "Development Tools" -y
yum install wget tar bzip2 gcc gcc-c++ make -y

cd ~
wget https://ftp.gnu.org/gnu/gcc/gcc-11.5.0/gcc-11.5.0.tar.gz
tar -zxf gcc-11.5.0.tar.gz
cd gcc-11.5.0
./contrib/download_prerequisites
mkdir build
cd build

../configure \
  --prefix=$HOME/gcc \
  --enable-languages=c,c++,fortran \
  --disable-multilib \
  --disable-bootstrap
make -j$(nproc)
make install