anchor.diff:      mv data/valhalla.json-3.1 data/valhalla.json
     '';
   
  -  # Choose to build the kirigami UI variant
  -  qmakeFlags = [ "SCOUT_FLAVOR=kirigami" ];
  +  qmakeFlags = [
  +    "SCOUT_FLAVOR=kirigami" # Choose to build the kirigami UI variant
  +    "CONFIG+=disable_mapnik" # Disable the optional mapnik backend
  +  ];
   
     meta = with lib; {
       description = "Maps server providing tiles, geocoder, and router";
  
positive.code: { lib, mkDerivation, fetchFromGitHub, fetchpatch, pkg-config
  , qmake, qttools, kirigami2, qtquickcontrols2, qtlocation
  , libosmscout, mapnik, valhalla, libpostal, osrm-backend, protobuf
  , libmicrohttpd_0_9_70, sqlite, marisa, kyotocabinet, boost
  }:
  
  
negative.code:   nativeBuildInputs = [ qmake pkg-config qttools ];
    buildInputs = [
      kirigami2 qtquickcontrols2 qtlocation
      valhalla libosmscout osrm-backend libmicrohttpd_0_9_70
      libpostal sqlite marisa kyotocabinet boost protobuf date
    ];
  
  