anchor.diff:      "--disable-meanwhile"
       "--disable-nm"
       "--disable-tcl"
  +    "--disable-gevolution"
     ]
     ++ (lib.optionals (cyrus_sasl != null) [ "--enable-cyrus-sasl=yes" ])
     ++ (lib.optionals (gnutls != null) ["--enable-gnutls=yes" "--enable-nss=no"])
  
positive.code:   NIX_CFLAGS_COMPILE = "-I${gst_all_1.gst-plugins-base.dev}/include/gstreamer-1.0";
  
    buildInputs = let
      python-with-dbus = python.withPackages (pp: with pp; [ dbus-python ]);
    in [
      aspell startupnotification
      gst_all_1.gstreamer gst_all_1.gst-plugins-base gst_all_1.gst-plugins-good
  
negative.code: let unwrapped = stdenv.mkDerivation rec {
    pname = "pidgin";
    majorVersion = "2";
    version = "${majorVersion}.14.6";
  
    src = fetchurl {
      url = "mirror://sourceforge/pidgin/${pname}-${version}.tar.bz2";
      sha256 = "bb45f7c032f9efd6922a5dbf2840995775e5584771b23992d04f6eff7dff5336";
    };
  
    inherit nss ncurses;
  