Docker ubuntu 20.04 install gcc-10.3.0

Docker ubuntu 20.04 install gcc-10.3.0

apt-get install -y build-essential install libgmp-dev libmpfr-dev libmpc-dev \

gcc-multilib libc6-dev-i386

wget https://ftp.gnu.org/gnu/gcc/gcc-10.3.0/gcc-10.3.0.tar.gz

tar xfz gcc-10.3.0.tar.gz

cd gcc-10.3.0

mkdir build

../configure --prefix=/usr/local –enable-multilib

make -j32

make install