anchor.diff:  { stdenv, fetchurl, fetchFromGitHub, makeWrapper
   , meson
   , ninja
  -, pkgconfig
  +, pkg-config
   , fetchpatch
   
   , platform-tools
  
positive.code: }:
  
  let
    version = "1.13";
    prebuilt_server = fetchurl {
      url = "https://github.com/Genymobile/scrcpy/releases/download/v${version}/scrcpy-server-v${version}";
      sha256 = "11gqsl2x18hgwdjajag9q8qdxqvdqr9m67zka22z7hnd3k569vjz";
    };
  in
  stdenv.mkDerivation rec {
  
negative.code:       --replace "SDL_RENDERER_ACCELERATED" "SDL_RENDERER_ACCELERATED || SDL_RENDERER_SOFTWARE"
    '';
  
    nativeBuildInputs = [ makeWrapper meson ninja pkg-config ];
  
    buildInputs = [ ffmpeg SDL2 ];
  
  