anchor.diff:  , fetchurl
   , substituteAll
   , openfortivpn
  -, intltool
  +, gettext
   , pkg-config
   , file
  +, glib
   , gtk3
   , networkmanager
   , ppp
  
positive.code:     openfortivpn
      networkmanager
      ppp
    ] ++ stdenv.lib.optionals withGnome [
      gtk3
      libsecret
  
negative.code:   ];
  
    nativeBuildInputs = [
      gettext
      pkg-config
      file
    ];
  