sdl?
      ( media-libs/libsdl media-libs/sdl-gfx ui?
            ( x11-libs/gtk+ )
       alsa?
            ( media-libs/alsa-lib )
       )

!sdl?
      ( X?
            ( x11-libs/libXext dga?
                  ( x11-libs/libXxf86dga x11-libs/libXxf86vm )
             ui?
                  ( x11-libs/gtk+ )
             )
       !X?
            ( svga?
                  ( media-libs/svgalib ui?
                        ( sys-libs/ncurses )
                   )
             !svga?
                  ( aalib?
                        ( media-libs/aalib ui?
                              ( sys-libs/ncurses )
                         )
                   )
             !aalib?
                  ( media-libs/libsdl ui?
                        ( x11-libs/gtk+ )
                   )
             )
       alsa?
            ( media-libs/alsa-lib )
       )

scsi?
      ( app-cdr/cdrtools )