setup.py

def configuration(parent_package='', top_path=None):
	from numpy.distutils.misc_util import Configuration
	config = Configuration(None, parent_package, top_path)
	config.set_options(
	assume_default_configuration=True,
	delegate_options_to_subpackages=True,
	quiet=True)

	config.add_subpackage('quspin')

	return config


def setup_package():
	try:
		import numpy
	except:
		raise ImportError("build requires numpy for fortran extensions")

	import os,sys

	if "--omp" in sys.argv:
		sys.argv.remove("--omp")
		if sys.platform == "win32":
			if "CFLAGS" in os.environ:
				os.environ["CFLAGS"]=os.environ["CFLAGS"]+" /openmp"
			else:
				os.environ["CFLAGS"]="/openmp"
		else:
			if "CFLAGS" in os.environ:
				os.environ["CFLAGS"]=os.environ["CFLAGS"]+" -fopenmp"
			else:
				os.environ["CFLAGS"]="-fopenmp"

	if "--default-compiler-flags" in sys.argv:
		sys.argv.remove("--default-compiler-flags")
		if sys.platform == "win32":
			pass
		else:
			os.environ["CFLAGS"]=os.environ["CFLAGS"]+" -O3 -march=native"


	io = open("./conda.recipe/quspin/meta.yaml","r")
	meta_file = io.read()
	io.close()

	meta_file = meta_file.split()
	ind = meta_file.index("version")
	version = meta_file[ind+2].replace('"','')


	metadata = dict(
		name='quspin',
		version=version,
		author="Phillip Weinberg, Marin Bukov",
		author_email="weinbe58@gmail.com",
		maintainer="Phillip Weinberg, Marin Bukov, Markus Schmitt",
		maintainer_email="weinbe58@gmail.com",
		download_url="https://github.com/weinbe58/QuSpin.git",
		license='BSD',
		platforms=["Unix","Windows"]
	)

	from numpy.distutils.core import setup
	metadata['configuration'] = configuration

	setup(**metadata)


if __name__ == '__main__':
	setup_package()