Compile gcc 6.5.0 on deepin V20

Compilation environment description

System: deepin V20
Platform: x86_64
gccCompiler version:gcc version 8.3.0 (Uos 8.3.0.2-1+deepin)

Source code acquisition

wget http://mirror.hust.edu.cn/gnu/gcc/gcc-6.5.0/gcc-6.5.0.tar.gz

Compile dependent installation

sudo apt install libmpc-dev libgmp-dev libmpfr-dev

Compile

tar -xf gcc-6.5.0.tar.gz
cd  gcc-6.5.0
./configure --prefix=/opt/App/gcc-6.5.0
make -j4
make install