opusfile-dev.tcz
   opusfile.tcz
      libopus.tcz
      libogg.tcz
      openssl.tcz
         gcc_libs.tcz
   libopus-dev.tcz
      libopus.tcz
   libogg-dev.tcz
      libogg.tcz
   openssl-dev.tcz
      openssl.tcz
         gcc_libs.tcz