anchor.diff: -{ stdenv, fetchurl
  +{ stdenv, mkDerivation, fetchurl
   , qtbase, qtsvg, qtserialport, qtwebkit, qtmultimedia, qttools, qtconnectivity
   , yacc, flex, zlib, qmake, makeDesktopItem, makeWrapper
   }:
  
positive.code: 
      mkdir -p $out/bin
      cp src/GoldenCheetah $out/bin
      wrapProgram $out/bin/GoldenCheetah --set LD_LIBRARY_PATH "${zlib.out}/lib"
      install -Dm644 "${desktopItem}/share/applications/"* -t $out/share/applications/
      install -Dm644 src/Resources/images/gc.png $out/share/pixmaps/goldencheetah.png
  
  
negative.code:     comment = "Performance software for cyclists, runners and triathletes";
      categories = "Application;Utility;";
    };
  in mkDerivation rec {
    name = "golden-cheetah-${version}";
    version = "3.4";
    src = fetchurl {
  