sudo apt update
    sudo apt list --upgradable

    sudo apt install --yes build-essential
    sudo apt install --yes cmake git autoconf flex gawk g++ zlib1g-dev libbz2-dev m4

    which gcc
    gcc --version

    mkdir /home/moshe/hercules
    cd /home/moshe/hercules

    mkdir sdl42
    mkdir herc42
    mkdir extpkgs

    cd extpkgs
    git clone https://github.com/SDL-Hercules-390/gists.git

    cp gists/extpkgs.sh .
    cp gists/extpkgs.sh.ini .

    ./extpkgs.sh CLONE c d s t

    cd ../sdl42
    git clone https://github.com/SDL-Hercules-390/hyperion.git

    cd hyperion/

    util/bldlvlck 
    ./autogen.sh

    ./configure --prefix=/home/moshe/hercules/herc42 --enable-extpkgs=/home/moshe/hercules/extpkgs
    ./config.status --config

    make -j