{ lib, stdenv, fetchurl
, guile, pkg-config, glib, loudmouth, gmp, libidn, readline, libtool
, libunwind, ncurses, curl, jansson, texinfo
, argp-standalone }:
stdenv.mkDerivation rec {
  pname = "freetalk";
  version = "4.2";

  src = fetchurl {
    url = "mirror://gnu/freetalk/freetalk-${version}.tar.gz";
    hash = "sha256-u1tPKacGry+JGYeAIgDia3N7zs5EM4FyQZdV8e7htYA=";
  };

  nativeBuildInputs = [ pkg-config texinfo ];
  buildInputs = [
    guile glib loudmouth gmp libidn readline libtool
    libunwind ncurses curl jansson
  ] ++ lib.optionals stdenv.isDarwin [
    argp-standalone
  ];

  env.NIX_LDFLAGS = lib.optionalString stdenv.isDarwin "-largp";

  meta = with lib; {
    description =  "Console XMPP client";
    mainProgram = "freetalk";
    license = licenses.gpl3Plus ;
    maintainers = with maintainers; [ raskin ];
    platforms = platforms.unix;
    downloadPage = "https://www.gnu.org/software/freetalk/";
  };
}