anchor.diff:      sha256 = "sha256-yJeMFxCD0ikwVPQApf+IBuMQ6eOjn1fVKNmqh6r760c=";
     };
   
  -  nativeBuildInputs = [ cmake pkg-config makeWrapper ];
  +  nativeBuildInputs = [ cmake pkg-config makeWrapper ffmpeg ];
     buildInputs = [ zlib bzip2 libpng ];
     cmakeFlags = [
       "-DSTRATAGUS=${stratagus}/games/stratagus"
  
positive.code: { stdenv, lib, callPackage, fetchFromGitHub
  , cmake, pkg-config, makeWrapper
  , zlib, bzip2, libpng
  , dialog, python3, cdparanoia
  }:
  
  let
    stratagus = callPackage ./stratagus.nix {};
  in
  stdenv.mkDerivation rec {
    pname = "wargus";
  
negative.code:   ];
    postInstall = ''
      makeWrapper $out/games/wargus $out/bin/wargus \
        --prefix PATH : ${lib.makeBinPath [ "$out" ]}
  
      $out/bin/wartool -v -r ${data} $out/share/games/stratagus/wargus
      ln -s $out/share/games/stratagus/wargus/{contrib/black_title.png,graphics/ui/black_title.png}
    '';
  
    meta = with lib; {
  