anchor.diff:    NIX_LDFLAGS = [
       "-lz"
     ];
  +
  +  qtWrapperArgs = [ "--set LD_LIBRARY_PATH ${zlib.out}/lib" ];
  +
     preConfigure = ''
       cp src/gcconfig.pri.in src/gcconfig.pri
       cp qwt/qwtconfig.pri.in qwt/qwtconfig.pri
  
positive.code: { stdenv, fetchurl
  , qtbase, qtsvg, qtserialport, qtwebkit, qtmultimedia, qttools, qtconnectivity
  , yacc, flex, zlib, qmake, makeDesktopItem, makeWrapper
  }:
  
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 {
  