anchor.diff:    name = "amrwb-11.0.0.0";
   
     # http://www.3gpp.org/DynaReport/26204.htm
  -  # NOTE: When updating amrwb-3gpp, update every instance of 26204-e10 to the
  -  #       updated file name.
  +  amrwb_3gpp_version = "26204-g00";  # Rel-16
     amrwb_3gpp = fetchurl {
  -    # Rel-14.1
  -    url = http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-e10.zip;
  -    multihash = "QmeAnGzpXFmjkowDLJCMPfG6Tfa3yUw5QyyECamJEvKgV2";
  -    sha256 = "68cfe06d38eda2ab12a194175d62ef1cee9327a99e98b24dbad9e84545bd7f2b";
  +    url = "http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/"
  +      + "${amrwb_3gpp_version}.zip";
  +    multihash = "QmRouou9GMpSEPdW3MCs9qiJVVE1Q3fNLm7H5LKCDpZ23d";
  +    sha256 = "453cb352be4535abf72842f571e739a251210ddfecdb0d4d1272422ace0b24ce";
     };
   
     src = fetchurl {
  
positive.code:   ];
  
    postConfigure = ''
      cp -v $amrwb_3gpp 26204-e10.zip
    '';
  
    meta = with lib; {
  
negative.code:     sed -i Makefile.{in,am} \
        -i configure{,.ac} \
        -i prepare_sources.sh.in \
        -e 's/26204-b00/${amrwb_3gpp_version}/g'
    '' + /* Fix extracted path */ ''
      sed -i prepare_sources.sh.in \
        -e '/@UNZIP@ ${amrwb_3gpp_version}_ANSI/a mv -v ${amrwb_3gpp_version}_ANSI-C_source_code/c-code/ c-code/'
    '' + /* Remove obsolete patch */ ''
      sed -i prepare_sources.sh.in \
        -e '/amrwb-intsizes.patch/d'
    '';
  
    configureFlags = [
  