anchor.diff:    '';
   
     postInstall = ''
  -    mv $out/var/empty/* $out
  -    install -Dm755 $out/games/xr_3da $out/bin/xr_3da
  -    install -Dm644 $src/License.txt $out/share/licenses/openxray/License.txt
  -    rm -r $out/var $out/games
  -
       # needed because of SDL_LoadObject library loading code
       wrapProgram $out/bin/xr_3da \
         --prefix LD_LIBRARY_PATH : $out/lib
  
positive.code: 
    hardeningDisable = [ "format" ];
    cmakeFlags = [ "-DCMAKE_INCLUDE_PATH=${cryptopp}/include/cryptopp" ];
    installFlags = [ "DESTDIR=${placeholder "out"}" ];
  
    buildInputs = [
      glew freeimage liblockfile openal cryptopp libtheora SDL2 lzo
  
negative.code: , pcre, makeWrapper }:
  
  let
    version = "730-july-preview";
  
    src = fetchFromGitHub {
      owner = "OpenXRay";
      repo = "xray-16";
      rev = version;
      sha256 = "1nish3sbpk0hsag7r4nyx8j6pl9mlgx58v8dhzg2vwj2q32isyb2";
      fetchSubmodules = true;
    };
  
  