/usr/lib/libSDL.a(SDL_nasaudio.o): In function `NAS_OpenAudio':
(.text+0x4af): undefined reference to `AuSetElements'
/usr/lib/libSDL.a(SDL_nasaudio.o): In function `NAS_OpenAudio':
(.text+0x4d2): undefined reference to `AuRegisterEventHandler'
/usr/lib/libSDL.a(SDL_nasaudio.o): In function `NAS_OpenAudio':
(.text+0x4e7): undefined reference to `AuStartFlow'
/usr/lib/libSDL.a(SDL_DirectFB_video.o): In function `SetDirectFBerror':
(.text+0xd47): undefined reference to `DirectFBErrorString'
/usr/lib/libSDL.a(SDL_DirectFB_video.o): In function `DirectFB_SetVideoMode':
(.text+0x1376): undefined reference to `DirectFBError'
/usr/lib/libSDL.a(SDL_DirectFB_video.o): In function `DirectFB_VideoInit':
(.text+0x146d): undefined reference to `DirectFBInit'
/usr/lib/libSDL.a(SDL_DirectFB_video.o): In function `DirectFB_VideoInit':
(.text+0x1482): undefined reference to `DirectFBCreate'
/usr/lib/libSDL.a(SDL_svgavideo.o): In function `SVGA_FlipHWSurface':
(.text+0x22b): undefined reference to `vga_setdisplaystart'