lcms-dev.tcz
   lcms.tcz
      libjpeg.tcz
      libtiff.tcz
         liblzma.tcz
         libjpeg.tcz
   libjpeg-dev.tcz
      libjpeg.tcz
   libtiff-dev.tcz
      libtiff.tcz
         liblzma.tcz
         libjpeg.tcz
      liblzma-dev.tcz
         liblzma.tcz
      libjpeg-dev.tcz
         libjpeg.tcz