knx/examples/knxPython/pybind11/tests/test_cmake_build/main.cpp

#include <pybind11/pybind11.h>
namespace py = pybind11;

PYBIND11_MODULE(test_cmake_build, m, py::mod_gil_not_used()) {
    m.def("add", [](int i, int j) { return i + j; });
}