import os
from setuptools import Extension, setup
from Cython.Build import cythonize

from build_utils import set_cc_variables
from build_utils import get_openmp_flag

original_environ = os.environ.copy()
try:
    # Make it possible to compile the 2 OpenMP enabled Cython extensions
    # with different compilers and therefore different OpenMP runtimes.
    inner_loop_cc_var = set_cc_variables("CC_INNER_LOOP")
    openmp_flag = get_openmp_flag()

    ext_modules = [
        Extension(
            "openmp_helpers_inner",
            ["openmp_helpers_inner.pyx"],
            extra_compile_args=openmp_flag,
            extra_link_args=openmp_flag,
        )
    ]

    setup(
        name="_openmp_test_helper_inner",
        ext_modules=cythonize(
            ext_modules,
            compiler_directives={
                "language_level": 3,
                "boundscheck": False,
                "wraparound": False,
            },
            compile_time_env={"CC_INNER_LOOP": inner_loop_cc_var or "unknown"},
        ),
    )

finally:
    os.environ.update(original_environ)