anchor.diff:    ];
   
     preConfigure = ''
  -    cp -v $amrnb_3gpp 26104-e00.zip
  +    cp -v "$amrnb_3gpp" '${amrnb_3gpp_version}.zip'
     '';
   
     meta = with lib; {
  
positive.code:   name = "amrnb-11.0.0.0";
  
    # http://www.3gpp.org/DynaReport/26104.htm
    # NOTE: When updating amrnb-3gpp, update every instance of 26104-e00 to the
    #       updated file name.
    amrnb_3gpp = fetchurl {
      # Rel-14
      url = "http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-e00.zip";
      multihash = "QmaQRi5VKMGgRTgxhjARAbNB5aTgKCLpskfCvg3QwEoGH9";
      sha256 = "5d0c70576cea76bf200c6412306a6152758391b1aa40e7e14271169bbafa9125";
    };
  
    src = fetchurl {
  
negative.code:     sed -i Makefile.{in,am} \
        -i configure{,.ac} \
        -i prepare_sources.sh.in \
        -e 's/26104-b00/${amrnb_3gpp_version}/g'
    '' + /* Patch no longer necessary */ ''
      grep -q 'amrnb-intsizes.patch' prepare_sources.sh.in
      sed -i prepare_sources.sh.in \
        -e '/amrnb-intsizes.patch/d'
    '';
  
    configureFlags = [
  