Setting up to compile Fractint port to SDL Linux: Run: sudo apt-get install build-essential The following packages (and their dependencies) are needed: libsdl2-dev libsdl2-2.0-0 libsdl2-ttf2.0-0 libsdl2-ttf-dev Ubuntu 14.04 has these packages, 16.04 does not, 18.04 does. On a Debian based system (like Ubuntu): Need to run: sudo apt-get install libsdl2-dev Need to run: sudo apt-get install libsdl2-ttf-dev Need to run: sudo apt-get install libsdl2-2.0 Need to run: sudo apt-get install libsdl2-ttf2.0-0 See wiki.libsdl.org/installation For help with SDL, start with: http://wiki.libsdl.org/FrontPage