sdl2_image-dev.tcz
   sdl2_image.tcz
      sdl2.tcz
   sdl2-dev.tcz
      sdl2.tcz
   libtiff-dev.tcz
      libtiff.tcz
         libjpeg-turbo.tcz
         liblzma.tcz  
      liblzma-dev.tcz
         liblzma.tcz
      libjpeg-turbo-dev.tcz
         libjpeg-turbo.tcz
   libpng-dev.tcz
      libpng.tcz