anchor.diff:                    libXdmcp
                     qtbase
                     qtx11extras
  +                  qtsvg
                     speex
                     x264
                     vlc
  
positive.code: , libXdmcp
  , qtbase
  , qtx11extras
  , speex
  , libv4l
  , x264
  
negative.code:   optional = stdenv.lib.optional;
  in stdenv.mkDerivation rec {
    name = "obs-studio-${version}";
    version = "23.1.0";
  
    src = fetchFromGitHub {
      owner = "jp9000";
      repo = "obs-studio";
      rev = "${version}";
      sha256 = "1iavrkjp7vgg0blm4lmj4mc4hrfx8yjaiwx55wmc5ynw80v37ybc";
    };
  
    nativeBuildInputs = [ cmake
  