sdl: sdl: This is the Simple DirectMedia Layer, a generic API that provides low sdl: level access to audio, keyboard, mouse, joystick, 3D hardware via sdl: OpenGL, and 2D framebuffer across multiple platforms. sdl: sdl: SDL links against alsa-lib, audiofile, esound, and the X11 libraries. sdl: Make sure all of these are installed if you're planning to use SDL sdl: (a full installation will cover all of the prerequisites). sdl: sdl: