setup.py

import subprocess
import sys

from glob import glob
from pybind11.setup_helpers import Pybind11Extension
from setuptools import setup

p = subprocess.Popen("cmake pyqpp",
                     shell=True,
                     stdout=subprocess.PIPE,
                     stderr=subprocess.STDOUT)

prefix = "Detecting Eigen3 - done (in "
eigen_path = None
print("Running cmake pyqpp")
for line in p.stdout.read().decode('ascii').split('\n'):
    print(line)
    pos = line.find(prefix)
    if pos != -1:
        eigen_path = line[pos + len(prefix):-1]
        break

if eigen_path is None:
    raise Exception('Eigen3 not found!')

source_files = [f for f in sorted(glob("pyqpp/**/*.cpp", recursive=True))]
ext_modules = [
    Pybind11Extension(
        "pyqpp",
        source_files,
        extra_compile_args=["-Ilibs", "-Iinclude", "-Iqasmtools/include",
                            "-Ipyqpp/include",
                            "-I" + eigen_path,
                            "-DQPP_IDX_DEFAULT",
                            "-DQPP_BIGINT_DEFAULT",
                            "-DQPP_FP_DEFAULT"],
        cxx_std=17,
        include_pybind11=False,
    ),
]

setup()