In file included from c:/lib/boost_1_51_0/boost/asio/detail/win_static_mutex.hpp:71:0,
                 from c:/lib/boost_1_51_0/boost/asio/detail/static_mutex.hpp:23,
                 from c:/lib/boost_1_51_0/boost/asio/detail/impl/signal_set_service.ipp:24,
                 from c:/lib/boost_1_51_0/boost/asio/detail/signal_set_service.hpp:210,
                 from c:/lib/boost_1_51_0/boost/asio/signal_set_service.hpp:19,
                 from c:/lib/boost_1_51_0/boost/asio/basic_signal_set.hpp:24,
                 from c:/lib/boost_1_51_0/boost/asio.hpp:26,
                 from C:\work\project_1\/p1_server.hpp:4,
                 from C:\work\project_1\main.cpp:2:
c:/lib/boost_1_51_0/boost/asio/detail/impl/win_static_mutex.ipp: In member function 'int boost::asio::detail::win_static_mutex::do_init()':
c:/lib/boost_1_51_0/boost/asio/detail/impl/win_static_mutex.ipp:51:63: error: 'swprintf' was not declared in this scope
c:/lib/boost_1_51_0/boost/system/error_code.hpp: At global scope:
c:/lib/boost_1_51_0/boost/system/error_code.hpp:214:36: warning: 'boost::system::posix_category' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/system/error_code.hpp:215:36: warning: 'boost::system::errno_ecat' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/system/error_code.hpp:216:36: warning: 'boost::system::native_ecat' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/asio/error.hpp:244:45: warning: 'boost::asio::error::system_category' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/asio/error.hpp:246:45: warning: 'boost::asio::error::netdb_category' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/asio/error.hpp:248:45: warning: 'boost::asio::error::addrinfo_category' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/asio/error.hpp:250:45: warning: 'boost::asio::error::misc_category' defined but not used [-Wunused-variable]
c:/lib/boost_1_51_0/boost/asio/detail/winsock_init.hpp:78:30: warning: 'boost::asio::detail::winsock_init_instance' defined but not used [-Wunused-variable]
mingw32-make[2]: *** [CMakeFiles/project_1.dir/main.cpp.obj] Error 1
mingw32-make[1]: *** [CMakeFiles/project_1.dir/all] Error 2
mingw32-make: *** [all] Error 2