#!/usr/bin/env python

from __future__ import division, print_function, absolute_import

from os.path import join


def configuration(parent_package='', top_path=None):
    from numpy.distutils.misc_util import Configuration, get_numpy_include_dirs
    from numpy.distutils.system_info import get_info
    from distutils.sysconfig import get_python_inc

    config = Configuration('spatial', parent_package, top_path)

    config.add_data_dir('tests')
    config.add_data_dir('benchmarks')

    qhull_src = ['geom2.c', 'geom.c', 'global.c', 'io.c', 'libqhull.c',
                 'mem.c', 'merge.c', 'poly2.c', 'poly.c', 'qset.c',
                 'random.c', 'rboxlib.c', 'stat.c', 'user.c', 'usermem.c',
                 'userprintf.c', 'userprintf_rbox.c']
    qhull_src = [join('qhull', 'src', x) for x in qhull_src]

    inc_dirs = [get_python_inc()]
    if inc_dirs[0] != get_python_inc(plat_specific=1):
        inc_dirs.append(get_python_inc(plat_specific=1))
    inc_dirs.append(get_numpy_include_dirs())

    cfg = dict(get_info('lapack_opt'))
    cfg.setdefault('include_dirs', []).extend(inc_dirs)
    cfg.setdefault('define_macros', []).append(('qh_QHpointer','1'))
    config.add_extension('qhull',
                         sources=['qhull.c'] + qhull_src,
                         **cfg)

    config.add_extension('ckdtree', sources=['ckdtree.c'])  # FIXME: cython

    config.add_extension('_distance_wrap',
        sources=[join('src', 'distance_wrap.c')],
        include_dirs=[get_numpy_include_dirs()])

    return config

if __name__ == '__main__':
    from numpy.distutils.core import setup
    setup(maintainer="SciPy Developers",
          author="Anne Archibald",
          maintainer_email="scipy-dev@scipy.org",
          description="Spatial algorithms and data structures",
          url="http://www.scipy.org",
          license="SciPy License (BSD Style)",
          **configuration(top_path='').todict()
          )
