setup.py

#! /usr/bin/env python

import os
import sys

from Cython.Build import cythonize
from setuptools import find_packages

def configuration(parent_package='', top_path=None):
    if os.path.exists('MANIFEST'):
        os.remove('MANIFEST')

    from numpy.distutils.misc_util import Configuration
    config = Configuration(None, parent_package, top_path)

    config.set_options(ignore_setup_xxx_py=True,
                       assume_default_configuration=True,
                       delegate_options_to_subpackages=True,
                       quiet=True)

    config.add_subpackage('gckn')

    config.ext_modules = cythonize(config.ext_modules, nthreads=4)

    return config

if __name__ == "__main__":
    from numpy.distutils.core import setup
    setup(**configuration(top_path='').todict())