lcms2-dev.tcz
   lcms2.tcz
      libtiff.tcz
         libjpeg-turbo.tcz
         liblzma.tcz  
   libtiff-dev.tcz
      libtiff.tcz
         libjpeg-turbo.tcz
         liblzma.tcz  
      liblzma-dev.tcz
         liblzma.tcz
      libjpeg-turbo-dev.tcz
         libjpeg-turbo.tcz