anchor.diff:    ];
   
     prePatch = ''
  -    sed -ie "s,INCLUDEPATH += /usr/include/libldutils,INCLUDEPATH += ${ldutils}," ZombieTrackerGPS.pro
  +    substituteInPlace ztgps.pro --replace "../libldutils" "libldutils"
  +    substituteInPlace tests.pro --replace "../libldutils" "libldutils"
  +
  +    ln -s ${ldutils} libldutils
     '';
   
     preConfigure = ''
  
positive.code: 
  mkDerivation rec {
    pname = "zombietrackergps";
    version = "1.03";
  
    src = fetchFromGitLab {
      owner = "ldutils-projects";
      repo = pname;
      rev = "v_${version}";
      sha256 = "1rmdy6kijmcxamm4mqmz8638xqisijlnpv8mimgxywpf90h9rrwq";
    };
  
    buildInputs = [
  
negative.code:     export INSTALL_ROOT=$out
    '';
  
    preInstall = ''
      substituteInPlace Makefile.ztgps --replace '$(INSTALL_ROOT)' ""
      substituteInPlace Makefile.art --replace '$(INSTALL_ROOT)' ""
    '';
  
    postInstall = ''
      install -Dm644 build/rcc/*.rcc -t $out/share/zombietrackergps
    '';
  
    qmakeFlags = [ "ZombieTrackerGPS.pro" ];
  
    meta = with lib; {
      description = "GPS track manager for Qt using KDE Marble maps";
  