anchor.diff: -{ stdenv, fetchurl
  +{ stdenv, mkDerivation, fetchurl
   , qtbase, qtsvg, qtserialport, qtwebkit, qtmultimedia, qttools, qtconnectivity
   , yacc, flex, zlib, qmake, makeDesktopItem, makeWrapper
   }:
  
positive.code:   NIX_LDFLAGS = [
      "-lz"
    ];
    preConfigure = ''
      cp src/gcconfig.pri.in src/gcconfig.pri
      cp qwt/qwtconfig.pri.in qwt/qwtconfig.pri
  
negative.code: 
      mkdir -p $out/bin
      cp src/GoldenCheetah $out/bin
      install -Dm644 "${desktopItem}/share/applications/"* -t $out/share/applications/
      install -Dm644 src/Resources/images/gc.png $out/share/pixmaps/goldencheetah.png
  
  