{ spellChecking ? true
, stdenv, fetchurl, pkgconfig, gtk, gtkspell ? null
, perl, pcre, gmime, gettext
}:

assert spellChecking -> gtkspell != null;

stdenv.mkDerivation {
  name = "pan-0.133";

  src = fetchurl {
    url = http://pan.rebelbase.com/download/releases/0.133/source/pan-0.133.tar.bz2;
    sha1 = "a0bd98ea1ba174800896611e3305a6b6d8dbde2f";
  };

  patches =
    [ # Build on GCC 4.4.
      (fetchurl {
        url = "http://sources.gentoo.org/viewcvs.py/*checkout*/gentoo-x86/net-nntp/pan/files/pan-0.133-gcc44.patch?rev=1.1";
        sha256 = "05xmgvcpl1gjcfab8xsdy400p55j59hp52fwa4qbwlqy3c35qv1v";
      })
    ];

  buildInputs = [pkgconfig gtk perl pcre gmime gettext]
    ++ stdenv.lib.optional spellChecking gtkspell;

  meta = {
    description = "A GTK+-based Usenet newsreader good at both text and binaries";
    homepage = http://pan.rebelbase.com/;
    maintainers = [ stdenv.lib.maintainers.eelco ];
  };
}