anchor.diff:  , woff2
   , bubblewrap
   , libseccomp
  +, systemd
   , xdg-dbus-proxy
   , substituteAll
   , glib
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "webkitgtk";
    version = "2.28.4";
  
    outputs = [ "out" "dev" ];
  
    src = fetchurl {
      url = "https://webkitgtk.org/releases/${pname}-${version}.tar.xz";
      sha256 = "0r4lkk21pny2g4mmsw0ds14m5hhjys1l47gvy59dfgihr7l546c2";
    };
  
    patches = optionals stdenv.isLinux [
  
negative.code:   ] ++ optionals stdenv.isLinux [
      bubblewrap
      libseccomp
      systemd
      wayland
      xdg-dbus-proxy
    ] ++ optional enableGeoLocation geoclue2
  