Alien::SDL2 will just have SDL2 for now. The other libraries don't work with SDL2 as of yet.OK, could you create a repo like https://github.com/PerlGameDev/Alien-SDL2 ?
In fact some of SDL_xxx libraries seem to support SDL2I have exported latest trunk versions of these libs from their Mercurial/SVN repos, you can get the tarballs from
http://strawberryperl.com/package/kmx/sdl/src/ -- kmx