import os
import numpy
from numpy.distutils.misc_util import Configuration


def configuration(parent_package="", top_path=None):
        config = Configuration("clustering", parent_package, top_path)
        libraries = []
        if os.name == 'posix':
            libraries.append('m')
        config.add_extension("closest_neighbor",
                             sources=["closest_neighbor.c"],
                             include_dirs=[numpy.get_include()],
                             libraries=libraries,
                             extra_compile_args=['-O3'])
        config.add_extension("kmeans",
                             sources=["kmeans.c"],
                             include_dirs=[numpy.get_include()],
                             libraries=libraries,
                             extra_compile_args=['-O3'])
        return config

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