gdal-dev.tcz
   gdal.tcz
      graphics-libs-1.tcz
      curl.tcz
      libgeotiff.tcz
         graphics-libs-1.tcz
         proj.tcz
      expat2.tcz
   graphics-libs-1-dev.tcz
      graphics-libs-1.tcz
   curl-dev.tcz
   libgeotiff-dev.tcz
      libgeotiff.tcz
         graphics-libs-1.tcz
         proj.tcz
      graphics-libs-1-dev.tcz
         graphics-libs-1.tcz
      proj-dev.tcz
         proj.tcz
   expat2-dev.tcz