When I setup sauerbratten, I had to install these as well as any dev packages fro them...
OpenGL, SDL, SDL_Mixer, SDL_Image, zlib, libpng
But, sauerbratten has a devel where you can write your own modules, I think that is what the devel is about,
What I meant before was to get the versions sorted, better to go new than to go back to old.(bugs)
The older version "SDL_mixer-1.2.8-4.fc8.i386" is conflicting with the main SDL package "SDL-1.2.13-2.fc8.i386",
The older package is trying to run a script that may be already run by the parent.
So if you update/upgrade the sdl-mixer to the same ver as the sdl(main) package then the dependencies might sort them selves out. (my opinion)
That is why I mentioned the sdl-mixer. It should not interfere with your audio.