my Python 3.8.1 build script on CentOS 7

install_Python381.sh

#!/bin/bash

# original source/tip: https://www.workaround.cz/howto-compile-install-latest-python-37-38-centos-7-8/

wget https://www.python.org/ftp/python/3.8.1/Python-3.8.1.tgz -P /tmp/

tar xzfv /tmp/Python-3.8.1.tgz -C /tmp

cd /tmp/Python-3.8.1

# https://blog.csdn.net/whatday/article/details/103903955
# https://bugs.python.org/msg313644
# https://github.com/docker-library/python/issues/160#issuecomment-273371334

sudo ./configure --enable-shared --enable-optimizations \
                --prefix=/opt/python381 \
                LDFLAGS="-Wl,-rpath=/opt/python381/lib -Wl,-Bsymbolic-functions -Wl,-z,relro" \
                --with-computed-gotos --with-system-ffi --with-fpectl \
                --with-system-libmpdec --with-lto

sudo make -j `nproc`

sudo make altinstall

sudo rm /tmp/Python-3.8.1.tgz

# this section I did manually because I want to see if build works

sudo ln -s /opt/python381/bin/python3.8 /opt/python381/bin/python3

sudo ln -s /opt/python381/bin/python3.8 /opt/python381/bin/python

sudo ln -s /opt/python381/bin/python3.8 /usr/bin/python381

sudo ln -s /opt/python381/bin/pip3.8 /opt/python381/bin/pip3

sudo ln -s /opt/python381/bin/pip3.8 /opt/python381/bin/pip