anchor.diff:      "--with-ssl"
       "--with-unique"
       "--without-gnome"
  +    "--with-spell-checker=gtkspell"
     ];
   
     NIX_CFLAGS_COMPILE = "-I${glib.dev}/include/gio-unix-2.0";
  
positive.code: { stdenv, fetchurl, pkgconfig, intltool, glib, gtk3, gmime, gnutls,
    webkitgtk, libesmtp, openssl, libnotify, enchant, gpgme,
    libcanberra-gtk3, libsecret, gtksourceview, gobjectIntrospection,
    hicolor-icon-theme, wrapGAppsHook
  }:
  
negative.code:     webkitgtk
      openssl
      libnotify
      gtkspell3
      gpgme
      libcanberra-gtk3
      gtksourceview
  