Hi All,
g++ -L/usr/local/lib/ -shared python_client.o network_interface.o geometry_model_api.o client.o -o python_client.so -lpython2.7 -lboost_python -lboost_serialization -lboost_thread -lQtCore -lpthread -Wl,-no-undefinednetwork_interface.o: In function `get_system_category':/usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()'/usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()'/usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()'/usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()'network_interface.o: In function `error_code':/usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()'network_interface.o:/usr/local/include/boost/asio/error.hpp:220: more undefined references to `boost::system::system_category()' followclient.o: In function `__static_initialization_and_destruction_0':/usr/local/include/boost/system/error_code.hpp:214: undefined reference to `boost::system::generic_category()'/usr/local/include/boost/system/error_code.hpp:215: undefined reference to `boost::system::generic_category()'/usr/local/include/boost/system/error_code.hpp:216: undefined reference to `boost::system::system_category()'client.o: In function `get_system_category':/usr/local/include/boost/asio/error.hpp:220: undefined reference to `boost::system::system_category()'client.o: In function `error_code':/usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()'/usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()'/usr/local/include/boost/system/error_code.hpp:315: undefined reference to `boost::system::system_category()'client.o:/usr/local/include/boost/system/error_code.hpp:315: more undefined references to `boost::system::system_category()' followcollect2: ld returned 1 exit status