I had checked them out about a year ago and they couldn't even draw a line on the screen :\
I'm not really a game developer or have any idea about SDL, but from the Perl feeds I read (I think this instance was from Planet Iron Man) I gather that the SDL development was recently revitalized. They have their website at http://sdl.perl.org/ and since the Latest News entry at this time is from the end of August, it seems up-to-date.