wanghelong666

../src/opengym/model/opengym_interface.cc: In member function ‘void ns3::OpenGymInterface::NotifyCurrentState()’: ../src/opengym/model/opengym_interface.cc:259:36: error: ‘zmq::send_flags’ has not been declared m_zmq_socket.send (request, zmq::send_flags::none); ^~~~~~~~~~ ../src/opengym/model/opengym_interface.cc:264:41: error: ‘zmq::recv_flags’ has not been declared (void) m_zmq_socket.recv (reply, zmq::recv_flags::none); ^~~~~~~~~~ Waf:...