anchor.diff:  assert withReplaygain -> withTaglib;
   
   let
  -  version = "2.3.3";
  +  version = "2.4.1";
     pname = "cantata";
     fstat = x: fn: "-DENABLE_" + fn + "=" + (if x then "ON" else "OFF");
     fstats = x: map (fstat x);
  
positive.code:   ];
  
    meta = with lib; {
      homepage    = https://github.com/cdrummond/cantata;
      description = "A graphical client for MPD";
      license     = licenses.gpl3;
      maintainers = with maintainers; [ peterhoeg ];
  
negative.code:     owner  = "CDrummond";
      repo   = "cantata";
      rev    = "v${version}";
      sha256 = "0ix7xp352bziwz31mw79y7wxxmdn6060p8ry2px243ni1lz1qx1c";
    };
  
    buildInputs = [ vlc qtbase qtmultimedia qtsvg ]
  