This git repository contains various number of ports working with the current ps2sdk. It is not intended to be a releasable package.
Most of the ports contains specific changes to make them work for the ps2sdk, however there are some ports included as a git clone that are being compiled using original source code, just adding the specficic PS2 flags (using cmake).
Additionaly, the SDL ports requires to have installed previously GSKit, more concretely they are:
sdl sdlgfx sdlimage sdlmixer sdlttf
Easy for everyone, just type
make