tce-load -i compiletc openssl-1.1.1-dev sqlite3-dev tk8.6-dev glib2-dev gdbm-dev bzip2-dev Xorg-7.7-dev liblzma-dev readline-dev

cd Python-3.6.9

edit setup.py
curses_includes.append('/usr/local/include/ncursesw')

CPPFLAGS="-I/usr/local/include/ncursesw" CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --enable-shared --with-system-expat --with-system-ffi --with-ensurepip=yes --with-tcltk-includes='-I/usr/local/include' --with-tcltk-libs='-L/usr/local/lib -ltk8.6 -ltcl8.6'

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;
find . -name Makefile -type f -exec sed -i 's/-g  -O3//g' {} \;

make [1m 41.90s]
sudo make install

sudo chmod 755 /usr/local/lib/libpython3.6m.so
sudo chmod 755 /usr/local/lib/libpython3.so