anchor.diff:  
   mkDerivation rec {
     pname = "zombietrackergps";
  -  version = "1.03";
  +  version = "1.10";
   
     src = fetchFromGitLab {
       owner = "ldutils-projects";
       repo = pname;
       rev = "v_${version}";
  -    sha256 = "1rmdy6kijmcxamm4mqmz8638xqisijlnpv8mimgxywpf90h9rrwq";
  +    sha256 = "sha256-qRhCAOVWyDLD3WDptPRQVq+VwyFu83XQNaL5TMsGs4Y=";
     };
   
     buildInputs = [
  
positive.code:     export INSTALL_ROOT=$out
    '';
  
    postConfigure = ''
      substituteInPlace Makefile --replace '$(INSTALL_ROOT)' ""
    '';
  
    meta = with lib; {
      description = "GPS track manager for Qt using KDE Marble maps";
  
negative.code:   ];
  
    prePatch = ''
      substituteInPlace ztgps.pro --replace "../libldutils" "libldutils"
      substituteInPlace tests.pro --replace "../libldutils" "libldutils"
  
      ln -s ${ldutils} libldutils
    '';
  
    preConfigure = ''
  