GrafX2 - The Ultimate 256-color bitmap paint program

GrafX2 is a drawing program dedicated to pixelart and low-color
graphics. Its layout is not very different from the famous
Deluxe Paint or Brilliance.

If you want Lua scripting support, install lua before building
this and it will be auto-detected. You can also pass LUA=no in the
environment to disable Lua, if it's installed.