{ stdenv, fetchurl, fetchpatch, gmp, pythonPackages
, gajim
}:

(gajim.override {
  pythonPackages = pythonPackages // {
    pycrypto = pythonPackages.buildPythonPackage rec {
      name = "pycrypto-${version}";
      version = "2.6.1";

      src = fetchurl {
        url = "mirror://pypi/p/pycrypto/${name}.tar.gz";
        sha256 = "0g0ayql5b9mkjam8hym6zyg6bv77lbh66rv1fyvgqb17kfc1xkpj";
      };

      patches = stdenv.lib.singleton (fetchpatch {
        name = "CVE-2013-7459.patch";
        url = "https://anonscm.debian.org/cgit/collab-maint/python-crypto.git"
            + "/plain/debian/patches/CVE-2013-7459.patch?h=debian/2.6.1-7";
        sha256 = "01r7aghnchc1bpxgdv58qyi2085gh34bxini973xhy3ks7fq3ir9";
      });

      buildInputs = [ gmp ];

      preConfigure = ''
        sed -i 's,/usr/include,/no-such-dir,' configure
        sed -i "s!,'/usr/include/'!!" setup.py
      '';
    };
  };
}) // {
  meta = gajim.meta // { platforms = [ "x86_64-linux" ]; };
}