ruby-1.8-dev.tcz
   ruby-1.8.tcz
      tk.tcz
         Xorg-7.7-lib.tcz
            libxcb.tcz
         fontconfig.tcz
            expat2.tcz
         freetype.tcz
            bzip2-lib.tcz
         libpng.tcz
         tcl.tcz
   tk-dev.tcz
      Xorg-7.7-dev.tcz
         libxcb-dev.tcz
            libxcb.tcz
      fontconfig-dev.tcz
         fontconfig.tcz
            expat2.tcz
         expat2-dev.tcz
            expat2.tcz
      freetype-dev.tcz
         freetype.tcz
            bzip2-lib.tcz
         bzip2-dev.tcz
            bzip2.tcz
      libpng-dev.tcz
         libpng.tcz
      tcl-dev.tcz
         tcl.tcz
      tk.tcz
         Xorg-7.7-lib.tcz
            libxcb.tcz
         fontconfig.tcz
            expat2.tcz
         freetype.tcz
            bzip2-lib.tcz
         libpng.tcz
         tcl.tcz