anchor.diff:      sed -i Makefile.{in,am} \
         -i configure{,.ac} \
         -i prepare_sources.sh.in \
  -      -e 's/26204-b00/26204-e10/g'
  +      -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 = [
  
positive.code:   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 = fetchurl {
      # Rel-14.1
      url = http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-e10.zip;
      multihash = "QmeAnGzpXFmjkowDLJCMPfG6Tfa3yUw5QyyECamJEvKgV2";
      sha256 = "68cfe06d38eda2ab12a194175d62ef1cee9327a99e98b24dbad9e84545bd7f2b";
    };
  
    src = fetchurl {
  
negative.code:   ];
  
    postConfigure = ''
      cp -v "$amrwb_3gpp" '${amrwb_3gpp_version}.zip'
    '';
  
    meta = with lib; {
  