setup.py

from pybind11.setup_helpers import Pybind11Extension, build_ext
from setuptools import setup

ext_modules = [
    Pybind11Extension(
        "potsim2.potsimlib",
        ["potsim2/src/potsimlib.cpp"],
    ),
]

setup(
    ext_modules=ext_modules,
    cmdclass={"build_ext": build_ext},
)