anchor.diff:    ] ++ optionals stdenv.isLinux [
       bubblewrap
       libseccomp
  +    systemd
       wayland
       xdg-dbus-proxy
     ] ++ optional enableGeoLocation geoclue2
  
positive.code: , woff2
  , bubblewrap
  , libseccomp
  , xdg-dbus-proxy
  , substituteAll
  , glib
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "webkitgtk";
    version = "2.30.0";
  
    outputs = [ "out" "dev" ];
  
    src = fetchurl {
      url = "https://webkitgtk.org/releases/${pname}-${version}.tar.xz";
      sha256 = "04axfmzsb9gnyqaz5v7ljapiycxnzwpiya1l9rhp4c1qsbrdpwya";
    };
  
    patches = optionals stdenv.isLinux [
  