{ mkDerivation, base, bytestring, fetchurl, gnuidn, gnutls, gsasl
, libxml-sax, monads-tf, network, text, transformers, xml-types
}:
mkDerivation {
  pname = "network-protocol-xmpp";
  version = "0.4.8";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    base bytestring gnuidn gnutls gsasl libxml-sax monads-tf network
    text transformers xml-types
  ];
  homepage = "https://john-millikin.com/software/haskell-xmpp/";
  description = "Client library for the XMPP protocol";
  license = stdenv.lib.licenses.gpl3;
}