anchor.diff:  , libnotify
   , gnutls
   , libgcrypt
  +, libgpg-error
   , gtk3
   , wayland
   , libwebp
  
positive.code: 
    src = fetchurl {
      url = "https://webkitgtk.org/releases/${pname}-${version}.tar.xz";
      sha256 = "1zfkfyhm4i7901pp32wcwcfxax69qgq5k44x0glwaywdg4zjvkh0";
    };
  
    patches = lib.optionals stdenv.isLinux [
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "webkitgtk";
    version = "2.34.0";
  
    outputs = [ "out" "dev" ];
  
  