[MacOS] Python Build Fails

[sukritkalra]

We started seeing the following error while linking after restructuring the project layout in #189.

The error is as follows:

note: Undefined symbols for architecture x86_64:
            "_PyList_Append", referenced from:
                pyo3::types::list::PyList::append::_$u7b$$u7b$closure$u7d$$u7d$::hb3ee2e9f284d525d in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.11.rcgu.o)
            "_PyBytes_FromStringAndSize", referenced from:
                pyo3::types::bytes::PyBytes::new::h2346bc142757f449 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.10.rcgu.o)
            "_PyGILState_Release", referenced from:
                _$LT$pyo3..gil..GILGuard$u20$as$u20$core..ops..drop..Drop$GT$::drop::h0875490cce98b755 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.8.rcgu.o)
            "_Py_IsInitialized", referenced from:
                pyo3::gil::GILGuard::acquire::_$u7b$$u7b$closure$u7d$$u7d$::hd3c8560dc835bafa in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.8.rcgu.o)
            "_PyExc_ValueError", referenced from:
                _$LT$pyo3..exceptions..PyValueError$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::h203baf438139c41f in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.0.rcgu.o)
            "_PyEval_ThreadsInitialized", referenced from:
                pyo3::gil::GILGuard::acquire::_$u7b$$u7b$closure$u7d$$u7d$::hd3c8560dc835bafa in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.8.rcgu.o)
            "_PyExc_RuntimeError", referenced from:
                _$LT$pyo3..exceptions..PyRuntimeError$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::h5d98c20758e049cf in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.0.rcgu.o)
            "_PyExc_OverflowError", referenced from:
                _$LT$pyo3..exceptions..PyOverflowError$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::h1264959a788b625e in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.0.rcgu.o)
            "_PyExc_AttributeError", referenced from:
                _$LT$pyo3..exceptions..PyAttributeError$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::h444faae03f915602 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.0.rcgu.o)
            "_PyExc_BaseException", referenced from:
                _$LT$pyo3..exceptions..PyBaseException$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::hf9a5e6af9086ad35 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.0.rcgu.o)
            "_PyNumber_Index", referenced from:
                pyo3::types::num::_$LT$impl$u20$pyo3..conversion..FromPyObject$u20$for$u20$u64$GT$::extract::h98d5978ac258bae4 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PySequence_Check", referenced from:
                _$LT$pyo3..types..sequence..PySequence$u20$as$u20$pyo3..conversion..PyTryFrom$GT$::try_from::h2dc65b78675b0ceb in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyGILState_Ensure", referenced from:
                pyo3::gil::GILGuard::acquire_unchecked::hc686c27195a27bb3 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.8.rcgu.o)
            "_PyCFunction_NewEx", referenced from:
                pyo3::types::function::PyCFunction::internal_new_from_pointers::h3dfba0bb2114f4ef in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyErr_Print", referenced from:
                pyo3::err::panic_after_error::hf97c212b8c021511 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyErr_NormalizeException", referenced from:
                pyo3::err::PyErr::normalized::h40e8f4bd4677a4be in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyErr_GivenExceptionMatches", referenced from:
                pyo3::err::PyErr::is_instance::h6d8c078c385141c4 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyErr_PrintEx", referenced from:
                pyo3::err::PyErr::take::h5624bb2bfe614f3f in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
                pyo3::err::PyErr::print::h94540702bdf29637 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyObject_Str", referenced from:
                pyo3::types::any::PyAny::str::hc6e5d7ce429ff947 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
            "_PyObject_Repr", referenced from:
                pyo3::types::any::PyAny::repr::h2e828644f171a29c in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
            "_PyObject_SetAttrString", referenced from:
                pyo3::type_object::initialize_tp_dict::h85474ffa22186f1c in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.9.rcgu.o)
            "_PyLong_AsUnsignedLongLong", referenced from:
                pyo3::types::num::_$LT$impl$u20$pyo3..conversion..FromPyObject$u20$for$u20$u64$GT$::extract::h98d5978ac258bae4 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyBool_Type", referenced from:
                pyo3::ffi::boolobject::PyBool_Check::he43343da1f685b26 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
            "_PyImport_AddModule", referenced from:
                pyo3::python::Python::run_code::hcdebb70890cc601b in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.3.rcgu.o)
            "_PyUnicode_FromStringAndSize", referenced from:
                pyo3::types::string::PyString::new::ha54147c354b58f93 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.13.rcgu.o)
            "_PyObject_GenericSetDict", referenced from:
                pyo3::pyclass::push_dict_getset::h1f5b8f42adcfeda9 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.14.rcgu.o)
            "_PyDict_New", referenced from:
                pyo3::types::dict::PyDict::new::he5971f940984fcf9 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.6.rcgu.o)
            "_PyBaseObject_Type", referenced from:
                _$LT$pyo3..types..any..PyAny$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::h8201a6fbce7cd3d2 in erdos_python.252pvga0nl19qj44.rcgu.o
                _$LT$pyo3..pyclass_init..PyNativeTypeInitializer$LT$T$GT$$u20$as$u20$pyo3..pyclass_init..PyObjectInit$LT$T$GT$$GT$::into_new_object::h8e220cd96ee46e30 in erdos_python.2ze6cujhuouzjoit.rcgu.o
                _$LT$pyo3..pycell..PyCellBase$LT$U$GT$$u20$as$u20$pyo3..pycell..PyCellLayout$LT$T$GT$$GT$::tp_dealloc::h17cb07af0edd0e70 in erdos_python.xm8924r44o4qwn0.rcgu.o
            "_PyImport_Import", referenced from:
                pyo3::types::module::PyModule::import::h12ce7f05bb31e648 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.2.rcgu.o)
            "__Py_Dealloc", referenced from:
                pyo3::ffi::object::Py_DECREF::hd1cf0d0adcd38b6f in erdos_python.flqabfgcxz43r2.rcgu.o
                pyo3::ffi::object::Py_DECREF::h1249eddce9b41e89 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyIter_Next", referenced from:
                _$LT$$RF$pyo3..types..iterator..PyIterator$u20$as$u20$core..iter..traits..iterator..Iterator$GT$::next::h26f75ab62926198b in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.2.rcgu.o)
            "__Py_NoneStruct", referenced from:
                pyo3::ffi::object::Py_None::h4bb72b47c0c5129b in erdos_python.flqabfgcxz43r2.rcgu.o
                pyo3::ffi::object::Py_None::h32f1dc2ca1a0868c in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyType_IsSubtype", referenced from:
                pyo3::ffi::object::PyObject_TypeCheck::h3da3a145cdfbe1b5 in erdos_python.flqabfgcxz43r2.rcgu.o
            "_PyEval_SaveThread", referenced from:
                pyo3::python::Python::allow_threads::h105c4d9ad13befb9 in erdos_python.47v7y8yi72iy0ab7.rcgu.o
                pyo3::python::Python::allow_threads::h69605b42ca1ef95b in erdos_python.47v7y8yi72iy0ab7.rcgu.o
                pyo3::python::Python::allow_threads::h7824bca5b6f5f49d in erdos_python.47v7y8yi72iy0ab7.rcgu.o
                pyo3::python::Python::allow_threads::hfd1a779d7cdd9773 in erdos_python.47v7y8yi72iy0ab7.rcgu.o
            "_PyObject_Free", referenced from:
                pyo3::pyclass::tp_init_additional::h07f065dc15e0fac8 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h0a1fb2a3f3c89217 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h1a0fe46809097c9c in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h2ebe2ca40cef899e in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h9383fcab93ae7dbd in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h9bab9da1bcf38e80 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::hbf26ca353ae9dd4a in erdos_python.bisr1ua0raercj2.rcgu.o
                ...
            "_PyObject_GetIter", referenced from:
                pyo3::types::iterator::PyIterator::from_object::h76aed69c8e87d3de in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.2.rcgu.o)
            "_PyDict_Next", referenced from:
                _$LT$pyo3..types..dict..PyDictIterator$u20$as$u20$core..iter..traits..iterator..Iterator$GT$::next::h4cd638da7f9214e0 in erdos_python.4w86bcgc2lc4wulx.rcgu.o
            "_PyObject_Malloc", referenced from:
                pyo3::pyclass::tp_init_additional::h07f065dc15e0fac8 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h0a1fb2a3f3c89217 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h1a0fe46809097c9c in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h2ebe2ca40cef899e in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h9383fcab93ae7dbd in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::h9bab9da1bcf38e80 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::tp_init_additional::hbf26ca353ae9dd4a in erdos_python.bisr1ua0raercj2.rcgu.o
                ...
            "_PyObject_SetAttr", referenced from:
                pyo3::types::any::PyAny::setattr::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h5b3c6bc73b3bdf20 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
                pyo3::types::any::PyAny::setattr::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hc162aa0ccbde8787 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
            "_PyEval_RestoreThread", referenced from:
                _$LT$pyo3..python..Python..allow_threads..RestoreGuard$u20$as$u20$core..ops..drop..Drop$GT$::drop::h79064b282515ab41 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.3.rcgu.o)
            "_PyObject_GenericGetDict", referenced from:
                pyo3::pyclass::push_dict_getset::h1f5b8f42adcfeda9 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.14.rcgu.o)
            "_PyErr_Fetch", referenced from:
                pyo3::err::PyErr::take::h5624bb2bfe614f3f in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "__Py_NotImplementedStruct", referenced from:
                pyo3::ffi::object::Py_NotImplemented::h9a3eb059dd172efc in erdos_python.flqabfgcxz43r2.rcgu.o
            "_PyUnicode_AsUTF8AndSize", referenced from:
                pyo3::types::string::PyString::to_str::hcb33794189cc9c57 in erdos_python.6zhjd1eskm0r3j3.rcgu.o
                pyo3::types::string::PyString::to_str::h99a9ffeded43257e in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.13.rcgu.o)
            "_PyExc_TypeError", referenced from:
                _$LT$pyo3..exceptions..PyTypeError$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::hebc536565292a07c in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.0.rcgu.o)
            "_PyErr_NewException", referenced from:
                pyo3::err::PyErr::new_type::hb9190e49e1c74123 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "__Py_TrueStruct", referenced from:
                pyo3::ffi::boolobject::Py_True::h685a8e11c1f9a93c in erdos_python.18yekmqo97jwh5vu.rcgu.o
                pyo3::ffi::boolobject::Py_True::hc99fcef93ce2dd43 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
            "_PyObject_GetAttr", referenced from:
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::h2515ddd9bd89d8a4 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::h577f4c78d15d3649 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::ha861ea35d8e3fe9f in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::hfdc7f67ae598d8dd in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::instance::Py$LT$T$GT$::getattr::_$u7b$$u7b$closure$u7d$$u7d$::h3f71a55a17e1edb5 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::any::PyAny::getattr::_$u7b$$u7b$closure$u7d$$u7d$::hd9c9066e5cbf8344 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.7.rcgu.o)
            "_PyEval_EvalCode", referenced from:
                pyo3::python::Python::run_code::hcdebb70890cc601b in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.3.rcgu.o)
            "_PyModule_GetName", referenced from:
                pyo3::types::module::PyModule::name::h62b90ec1e5c09e4c in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.2.rcgu.o)
            "_PyTuple_SetItem", referenced from:
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$$RP$$GT$::into_py::h641f4545f1f0d914 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$T1$RP$$GT$::into_py::h148c64488e997267 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$T1$C$T2$RP$$GT$::into_py::hdc86ffabd05cec8d in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..any..PyAny$GT$$GT$$u20$for$u20$$LP$T0$C$T1$RP$$GT$::into_py::h2008c562eea6cf75 in erdos_python.8sejcmq4e5nz023.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$$RP$$GT$::into_py::h7a4bfbe9345af1ec in erdos_python.cegfz3138195vk1.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$T1$RP$$GT$::into_py::h036143c23271057d in erdos_python.drmlcrq1aamodz1.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$T1$C$T2$RP$$GT$::into_py::h507b191e1a71e8d4 in erdos_python.drmlcrq1aamodz1.rcgu.o
                ...
            "_PyErr_Restore", referenced from:
                pyo3::err::PyErr::restore::h9927ce6bbda65927 in erdos_python.4qjcay4yuyg1tqjv.rcgu.o
                pyo3::err::PyErr::take::h5624bb2bfe614f3f in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
                pyo3::err::PyErr::restore::h3b8e8880de9cd0f6 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.15.rcgu.o)
            "_PyBytes_AsString", referenced from:
                pyo3::types::bytes::PyBytes::as_bytes::h5ea66dda28d9eac9 in erdos_python.47b46rh3qn2mwosw.rcgu.o
                pyo3::types::bytes::PyBytes::as_bytes::h099652a35b3bdc12 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.10.rcgu.o)
            "_PyType_FromSpec", referenced from:
                pyo3::pyclass::create_type_object::h181fe10035563334 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::create_type_object::h34f4e0969eb9a036 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::create_type_object::h60ccaad2d05d21e5 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::create_type_object::h7e75473202f0e72c in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::create_type_object::h800d89c5a27df072 in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::create_type_object::h95336a2d8ddd0a5e in erdos_python.bisr1ua0raercj2.rcgu.o
                pyo3::pyclass::create_type_object::haa61076de53ecc77 in erdos_python.bisr1ua0raercj2.rcgu.o
                ...
            "__Py_FalseStruct", referenced from:
                pyo3::ffi::boolobject::Py_False::ha783acfd459976ba in erdos_python.18yekmqo97jwh5vu.rcgu.o
            "_PyType_GenericAlloc", referenced from:
                _$LT$pyo3..pyclass_init..PyNativeTypeInitializer$LT$T$GT$$u20$as$u20$pyo3..pyclass_init..PyObjectInit$LT$T$GT$$GT$::into_new_object::h8e220cd96ee46e30 in erdos_python.2ze6cujhuouzjoit.rcgu.o
            "_PyBytes_Size", referenced from:
                pyo3::types::bytes::PyBytes::as_bytes::h5ea66dda28d9eac9 in erdos_python.47b46rh3qn2mwosw.rcgu.o
                pyo3::types::bytes::PyBytes::as_bytes::h099652a35b3bdc12 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.10.rcgu.o)
            "_PyLong_FromUnsignedLongLong", referenced from:
                pyo3::types::num::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..any..PyAny$GT$$GT$$u20$for$u20$u64$GT$::into_py::hc88d51cb7e9e88ee in erdos_python.3creat87iwuzxe8.rcgu.o
            "_PyModule_Create2", referenced from:
                pyo3::ffi::modsupport::PyModule_Create::hff6a74f055b5e865 in erdos_python.3cap3utahqi1jyp0.rcgu.o
            "_PyObject_Call", referenced from:
                pyo3::types::any::PyAny::call::h130601c19f73817f in erdos_python.2v9ruangams3xknl.rcgu.o
                pyo3::types::any::PyAny::call::h5986e7ee6bd0ea9d in erdos_python.2v9ruangams3xknl.rcgu.o
                pyo3::types::any::PyAny::call::hd4b2f85fd2143aec in erdos_python.2v9ruangams3xknl.rcgu.o
                pyo3::types::any::PyAny::call::hdf92234573a52e47 in erdos_python.2v9ruangams3xknl.rcgu.o
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::h2515ddd9bd89d8a4 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::h577f4c78d15d3649 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::instance::Py$LT$T$GT$::call_method::_$u7b$$u7b$closure$u7d$$u7d$::ha861ea35d8e3fe9f in erdos_python.4o69xy5l91ev29mc.rcgu.o
                ...
            "_PyUnicode_AsEncodedString", referenced from:
                pyo3::types::string::PyString::to_string_lossy::h99ed9dd46021602b in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.13.rcgu.o)
            "_PyDict_SetItem", referenced from:
                pyo3::types::dict::PyDict::set_item::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h09184eb549aeac8d in erdos_python.1gxqznnivutptqz0.rcgu.o
                pyo3::types::dict::PyDict::set_item::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h105b85e719a64457 in erdos_python.1gxqznnivutptqz0.rcgu.o
                pyo3::types::dict::PyDict::set_item::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h10dbc39666f1ce96 in erdos_python.1gxqznnivutptqz0.rcgu.o
                pyo3::types::dict::PyDict::set_item::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h82681fffbe929671 in erdos_python.1gxqznnivutptqz0.rcgu.o
                pyo3::types::dict::PyDict::set_item::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hb0c73846b22b590f in erdos_python.1gxqznnivutptqz0.rcgu.o
            "_Py_CompileStringExFlags", referenced from:
                pyo3::ffi::cpython::pythonrun::Py_CompileString::h5bfa27fc58620660 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.9.rcgu.o)
            "_PyTuple_New", referenced from:
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$$RP$$GT$::into_py::h641f4545f1f0d914 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$T1$RP$$GT$::into_py::h148c64488e997267 in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$T1$C$T2$RP$$GT$::into_py::hdc86ffabd05cec8d in erdos_python.4o69xy5l91ev29mc.rcgu.o
                pyo3::types::tuple::PyTuple::new::h2e150a5ca7556a94 in erdos_python.555cx17egk1h4r95.rcgu.o
                pyo3::types::tuple::PyTuple::new::h57a2cd2bab15c7e9 in erdos_python.555cx17egk1h4r95.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..any..PyAny$GT$$GT$$u20$for$u20$$LP$T0$C$T1$RP$$GT$::into_py::h2008c562eea6cf75 in erdos_python.8sejcmq4e5nz023.rcgu.o
                pyo3::types::tuple::_$LT$impl$u20$pyo3..conversion..IntoPy$LT$pyo3..instance..Py$LT$pyo3..types..tuple..PyTuple$GT$$GT$$u20$for$u20$$LP$T0$C$$RP$$GT$::into_py::h7a4bfbe9345af1ec in erdos_python.cegfz3138195vk1.rcgu.o
                ...
            "_PySequence_Size", referenced from:
                pyo3::types::sequence::PySequence::len::hfc6ab9ea310fc9ec in erdos_python.2091xl2n4rgokxox.rcgu.o
            "_PyExc_Exception", referenced from:
                _$LT$pyo3..exceptions..PyException$u20$as$u20$pyo3..type_object..PyTypeInfo$GT$::type_object_raw::h7c4f62a11ebdcf87 in erdos_python.2hgwowqwktp2ewkg.rcgu.o
            "_PyModule_GetDict", referenced from:
                pyo3::python::Python::run_code::_$u7b$$u7b$closure$u7d$$u7d$::habb39b51ba033263 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.3.rcgu.o)
            "_PyList_New", referenced from:
                pyo3::types::list::new_from_iter::h9b38ca1132715523 in erdos_python.4yq4p61w6u6q9tze.rcgu.o
                pyo3::types::list::PyList::empty::he2dc7cfee39014a8 in libpyo3-5c021ee12bba24f4.rlib(pyo3-5c021ee12bba24f4.pyo3.fc75e33f-cgu.11.rcgu.o)
          ld: symbol(s) not found for architecture x86_64
          clang: error: linker command failed with exit code 1 (use -v to see invocation)

System details as follows:

Python version: 3.7.12
MacOS version: 12.1
Command Line Tools version: 13.2.0.0.1.1638488800

[sukritkalra]

@objorkman Can you let us know your Python, MacOS and Command Line tools version if the build succeeds on your Mac?

[objorkman]

Potential workaround: PyO3/rust-numpy#223
Tested on M1 mac

[pschafhalter]

PyO3/pyo3#341 might be related. Can someone on MacOS try the workaround proposed in the PyO3 FAQ?

Would be happy to merge that change if it fixes MacOS support.

[pschafhalter]

They also suggest another fix (similar to the workaround @objorkman found), which involves adding a build.rs file:
https://pyo3.rs/latest/building_and_distribution.html#macos

[objorkman]

If building on M1, create a file .cargo/config.toml with

[target.aarch64-apple-darwin]
rustflags = [
"-C", "link-arg=-undefined",
"-C", "link-arg=dynamic_lookup",
]

to fix this build issue (cc. PyO3/rust-numpy#223)

[sukritkalra]

Closing because building using maturin on Mac solves the linker issues.