anchor.diff:    # src/weather_data.cpp:203:1: fatal error: opening dependency file obj/tiles/weather_data.d: No such file or directory
     # make: *** [Makefile:687: obj/tiles/weather_data.o] Error 1
     enableParallelBuilding = false;
  +
  +  dontStrip = debug;
   
     meta = with stdenv.lib; {
       description = "A free, post apocalyptic, zombie infested rogue-like";
  
positive.code:   makeFlags = with stdenv.lib; [
      "PREFIX=$(out)"
      "LUA=1"
      "RELEASE=1"
      "USE_HOME_DIR=1"
      "LANGUAGES=all"
      "VERSION=git-${version}-${substring 0 8 src.rev}"
  
negative.code:   ] ++ optionals stdenv.isDarwin [
      "NATIVE=osx"
      "CLANG=1"
    ] ++ optionals (! debug) [
      "RELEASE=1"
    ];
  
    postInstall = with stdenv.lib; optionalString (tiles && !stdenv.isDarwin) ''
  