"""Setup extension

Notes:
    If extra_compile_args is provided, you need to provide different instances for different extensions.
    Refer to https://github.com/pytorch/pytorch/issues/20169

"""

from setuptools import setup
from torch.utils.cpp_extension import BuildExtension, CUDAExtension

setup(
    name="emd_ext",
    ext_modules=[
        CUDAExtension(
            name="emd_cuda",
            sources=[
                "cuda/emd.cpp",
                "cuda/emd_kernel.cu",
            ],
            extra_compile_args={"cxx": ["-g"], "nvcc": ["-O2"]},
        ),
    ],
    cmdclass={"build_ext": BuildExtension},
)