In file included from main.cpp:15:
1>..\..\windows_server\SDL2_Client\user_interface.h(121,15): warning : private field 'background' is not used [-Wunused-private-field]
1>        SDL_Texture *background;
1>                     ^
1>..\..\windows_server\SDL2_Client\user_interface.h(129,6): warning : private field 'scroll_height' is not used [-Wunused-private-field]
1>        int scroll_height;
1>            ^
1>6 warnings generated.
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::GameServicesImpl::AuthenticatedOperation::RunOnMainDispatchQueue(unsigned long long): error: undefined reference to 'std::__1::mutex::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::GameServicesImpl::AuthenticatedOperation::RunOnMainDispatchQueue(unsigned long long): error: undefined reference to 'std::__1::mutex::unlock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__function::__func<gpg::CallbackHelper<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation>, std::__1::allocator<gpg::CallbackHelper<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation> >, void (gpg::JavaReference)>::__clone(std::__1::__function::__base<void (gpg::JavaReference)>*) const: error: undefined reference to 'std::__1::__shared_weak_count::__add_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__function::__func<gpg::CallbackHelper<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation>, std::__1::allocator<gpg::CallbackHelper<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation> >, void (gpg::JavaReference)>::__clone() const: error: undefined reference to 'std::__1::__shared_weak_count::__add_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::GameServicesImpl::AuthenticatedOperation::~AuthenticatedOperation(): error: undefined reference to 'std::__1::mutex::~mutex()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::GameServicesImpl::AuthenticatedOperation::~AuthenticatedOperation(): error: undefined reference to 'std::__1::__shared_weak_count::__release_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::shared_ptr<gpg::AndroidGameServicesImpl>::~shared_ptr(): error: undefined reference to 'std::__1::__shared_weak_count::__release_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::AchievementFetchAllOperation::AchievementFetchAllOperation(std::__1::shared_ptr<gpg::AndroidGameServicesImpl>, gpg::InternalCallback<gpg::AchievementManager::FetchAllResponse const&>, gpg::DataSource): error: undefined reference to 'std::__1::__shared_weak_count::__add_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::AchievementFetchAllOperation::AchievementFetchAllOperation(std::__1::shared_ptr<gpg::AndroidGameServicesImpl>, gpg::InternalCallback<gpg::AchievementManager::FetchAllResponse const&>, gpg::DataSource): error: undefined reference to 'std::__1::__shared_weak_count::__add_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::AchievementFetchAllOperation::AchievementFetchAllOperation(std::__1::shared_ptr<gpg::AndroidGameServicesImpl>, gpg::InternalCallback<gpg::AchievementManager::FetchAllResponse const&>, gpg::DataSource): error: undefined reference to 'std::__1::__shared_weak_count::__release_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::shared_ptr<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation>::~shared_ptr(): error: undefined reference to 'std::__1::__shared_weak_count::__release_shared()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::JavaReference gpg::JavaResultListener<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation>(gpg::AndroidGameServicesImpl::AchievementFetchAllOperation*): error: undefined reference to 'std::__1::__shared_weak_count::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::JavaReference gpg::JavaResultListener<gpg::AndroidGameServicesImpl::AchievementFetchOperation>(gpg::AndroidGameServicesImpl::AchievementFetchOperation*): error: undefined reference to 'std::__1::__shared_weak_count::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::AchievementShowAllOperation::RunAuthenticatedOnMainDispatchQueue(unsigned long long): error: undefined reference to 'std::__1::__shared_weak_count::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_streambuf<char, std::__1::char_traits<char> >::~basic_streambuf(): error: undefined reference to 'std::__1::locale::~locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ios<char, std::__1::char_traits<char> >::~basic_ios(): error: undefined reference to 'std::__1::ios_base::~ios_base()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__shared_ptr_emplace<gpg::AchievementImpl, std::__1::allocator<gpg::AchievementImpl> >::~__shared_ptr_emplace(): error: undefined reference to 'std::__1::__shared_weak_count::~__shared_weak_count()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::sentry::~sentry(): error: undefined reference to 'std::__1::ios_base::clear(unsigned int)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::flush(): error: undefined reference to 'std::__1::ios_base::clear(unsigned int)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::ios_base::getloc() const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::locale::use_facet(std::__1::locale::id&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::locale::~locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::ios_base::getloc() const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::locale::use_facet(std::__1::locale::id&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::locale::~locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::ios_base::clear(unsigned int)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::num_put<char, std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > >::id'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int): error: undefined reference to 'std::__1::ctype<char>::id'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned int): error: undefined reference to 'std::__1::ios_base::getloc() const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned int): error: undefined reference to 'std::__1::locale::use_facet(std::__1::locale::id&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned int): error: undefined reference to 'std::__1::locale::~locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned int): error: undefined reference to 'std::__1::ios_base::clear(unsigned int)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned int): error: undefined reference to 'std::__1::ctype<char>::id'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AchievementType gpg::ConvertUsingMapping<int, gpg::AchievementType, gpg::AchievementType>(int const&, std::initializer_list<std::__1::pair<int, gpg::AchievementType> > const&, gpg::AchievementType&&): error: undefined reference to 'std::__1::ios_base::init(void*)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AchievementType gpg::ConvertUsingMapping<int, gpg::AchievementType, gpg::AchievementType>(int const&, std::initializer_list<std::__1::pair<int, gpg::AchievementType> > const&, gpg::AchievementType&&): error: undefined reference to 'std::__1::locale::locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AchievementState gpg::ConvertUsingMapping<int, gpg::AchievementState, gpg::AchievementState>(int const&, std::initializer_list<std::__1::pair<int, gpg::AchievementState> > const&, gpg::AchievementState&&): error: undefined reference to 'std::__1::ios_base::init(void*)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AchievementState gpg::ConvertUsingMapping<int, gpg::AchievementState, gpg::AchievementState>(int const&, std::initializer_list<std::__1::pair<int, gpg::AchievementState> > const&, gpg::AchievementState&&): error: undefined reference to 'std::__1::locale::locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for std::__1::basic_ios<char, std::__1::char_traits<char> >: error: undefined reference to 'typeinfo for std::__1::ios_base'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for std::__1::__shared_ptr_emplace<gpg::AchievementImpl, std::__1::allocator<gpg::AchievementImpl> >: error: undefined reference to 'typeinfo for std::__1::__shared_weak_count'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:vtable for std::__1::__shared_ptr_emplace<gpg::AchievementImpl, std::__1::allocator<gpg::AchievementImpl> >: error: undefined reference to 'std::__1::__shared_weak_count::__get_deleter(std::type_info const&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:android_game_services_impl.cc:function .gpg_223: error: undefined reference to 'std::__1::mutex::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:android_game_services_impl.cc:function .gpg_223: error: undefined reference to 'std::__1::mutex::unlock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:android_game_services_impl.cc:function .gpg_223: error: undefined reference to 'std::__1::condition_variable::notify_all()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::shared_from_this(): error: undefined reference to 'std::__1::__shared_weak_count::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::CaptureOverlayStateListenerHelperImpl::WrappedCaptureOverlayStateListener::~WrappedCaptureOverlayStateListener(): error: undefined reference to 'std::__1::__shared_weak_count::__release_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__shared_ptr_emplace<gpg::CaptureOverlayStateListenerHelperImpl::WrappedCaptureOverlayStateListener, std::__1::allocator<gpg::CaptureOverlayStateListenerHelperImpl::WrappedCaptureOverlayStateListener> >::~__shared_ptr_emplace(): error: undefined reference to 'std::__1::__shared_weak_count::~__shared_weak_count()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::weak_ptr<gpg::GamesOperation>::~weak_ptr(): error: undefined reference to 'std::__1::__shared_weak_count::__release_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::SnapshotDeleteOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::SnapshotDeleteOperation> >::~__shared_ptr_emplace(): error: undefined reference to 'std::__1::__shared_weak_count::~__shared_weak_count()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::VideoUnregisterCaptureOverlayStateChangedListenerOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::VideoUnregisterCaptureOverlayStateChangedListenerOperation> >::~__shared_ptr_emplace(): error: undefined reference to 'std::__1::__shared_weak_count::~__shared_weak_count()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::RealTimeEventListenerHelperImpl::WrappedRealTimeEventListener::~WrappedRealTimeEventListener(): error: undefined reference to 'std::__1::__shared_weak_count::__release_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::mutex::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::chrono::steady_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::chrono::steady_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::chrono::system_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::chrono::steady_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > >)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::chrono::steady_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::WaitFor(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >, gpg::JavaReference&&, gpg::JavaReference&&): error: undefined reference to 'std::__1::mutex::unlock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::cv_status std::__1::condition_variable::wait_for<long long, std::__1::ratio<1ll, 1000ll> >(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> > const&): error: undefined reference to 'std::__1::chrono::system_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::cv_status std::__1::condition_variable::wait_for<long long, std::__1::ratio<1ll, 1000ll> >(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> > const&): error: undefined reference to 'std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > >)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::EventIncrement(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, unsigned long long): error: undefined reference to 'std::__1::__shared_weak_count::__add_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::LeaderboardSubmitScore(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, unsigned long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'std::__1::__shared_weak_count::__add_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::SnapshotDelete(gpg::SnapshotMetadata const&): error: undefined reference to 'std::__1::__shared_weak_count::__add_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::RTMPSendUnreliableMessage(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> >): error: undefined reference to 'std::__1::__shared_weak_count::__add_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::shared_ptr<gpg::RealTimeEventListenerHelperImpl::WrappedRealTimeEventListener> std::__1::shared_ptr<gpg::RealTimeEventListenerHelperImpl::WrappedRealTimeEventListener>::make_shared<std::__1::function<void (std::__1::function<void ()>)>&, gpg::RealTimeEventListenerHelperImpl&>(std::__1::function<void (std::__1::function<void ()>)>&, gpg::RealTimeEventListenerHelperImpl&): error: undefined reference to 'std::__1::__shared_weak_count::__release_weak()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::LeaderboardFetchAllScoreSummariesOperation::~LeaderboardFetchAllScoreSummariesOperation(): error: undefined reference to 'std::__1::mutex::~mutex()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::PerformSignOut(bool): error: undefined reference to 'std::__1::mutex::lock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::PerformSignOut(bool): error: undefined reference to 'std::__1::mutex::unlock()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::ResolveConnection(): error: undefined reference to 'std::__1::this_thread::sleep_for(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > const&)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::Deliver(gpg::JavaReference&&): error: undefined reference to 'std::__1::condition_variable::notify_all()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::SharedState::~SharedState(): error: undefined reference to 'std::__1::condition_variable::~condition_variable()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::BlockingHelper<gpg::JavaReference>::SharedState::~SharedState(): error: undefined reference to 'std::__1::mutex::~mutex()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::~AndroidGameServicesImpl(): error: undefined reference to 'std::__1::condition_variable::~condition_variable()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidGameServicesImpl::~AndroidGameServicesImpl(): error: undefined reference to 'std::__1::mutex::~mutex()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation> >: error: undefined reference to 'typeinfo for std::__1::__shared_weak_count'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::AchievementFetchOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::AchievementFetchOperation> >: error: undefined reference to 'typeinfo for std::__1::__shared_weak_count'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::AchievementModifyOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::AchievementModifyOperation> >: error: undefined reference to 'typeinfo for std::__1::__shared_weak_count'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:vtable for std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::AchievementFetchAllOperation> >: error: undefined reference to 'std::__1::__shared_weak_count::__get_deleter(std::type_info const&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:vtable for std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::AchievementFetchOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::AchievementFetchOperation> >: error: undefined reference to 'std::__1::__shared_weak_count::__get_deleter(std::type_info const&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:vtable for std::__1::__shared_ptr_emplace<gpg::AndroidGameServicesImpl::AchievementModifyOperation, std::__1::allocator<gpg::AndroidGameServicesImpl::AchievementModifyOperation> >: error: undefined reference to 'std::__1::__shared_weak_count::__get_deleter(std::type_info const&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (gpg::Quest): error: undefined reference to 'vtable for __cxxabiv1::__function_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (gpg::SnapshotMetadata): error: undefined reference to 'vtable for __cxxabiv1::__function_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (*)(gpg::Quest): error: undefined reference to 'vtable for __cxxabiv1::__pointer_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (*)(gpg::SnapshotMetadata): error: undefined reference to 'vtable for __cxxabiv1::__pointer_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_streambuf<char, std::__1::char_traits<char> >::basic_streambuf(): error: undefined reference to 'std::__1::locale::locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function int gpg::ConvertUsingMapping<gpg::LeaderboardTimeSpan, int, int>(gpg::LeaderboardTimeSpan const&, std::initializer_list<std::__1::pair<gpg::LeaderboardTimeSpan, int> > const&, int&&): error: undefined reference to 'std::__1::ios_base::init(void*)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function int gpg::ConvertUsingMapping<gpg::LeaderboardCollection, int, int>(gpg::LeaderboardCollection const&, std::initializer_list<std::__1::pair<gpg::LeaderboardCollection, int> > const&, int&&): error: undefined reference to 'std::__1::ios_base::init(void*)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:start_advertising_operation.cc:function .gpg_2412: error: undefined reference to 'std::__1::__throw_system_error(int, char const*)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:start_advertising_operation.cc:function .gpg_2408: error: undefined reference to 'std::__1::__thread_local_data()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:start_advertising_operation.cc:function .gpg_2408: error: undefined reference to 'std::__1::__thread_struct::__thread_struct()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:start_advertising_operation.cc:function .gpg_2408: error: undefined reference to 'std::__1::__thread_struct::~__thread_struct()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:start_advertising_operation.cc:function .gpg_2408: error: undefined reference to 'std::__1::this_thread::sleep_for(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > const&)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidNearbyConnectionsImpl::StartAdvertisingOperation::Run(unsigned long long): error: undefined reference to 'std::__1::thread::detach()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::AndroidNearbyConnectionsImpl::StartAdvertisingOperation::Run(unsigned long long): error: undefined reference to 'std::__1::thread::~thread()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::DEFAULT_ON_LOG(gpg::LogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'std::__1::ios_base::getloc() const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::DEFAULT_ON_LOG(gpg::LogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'std::__1::locale::use_facet(std::__1::locale::id&) const'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::DEFAULT_ON_LOG(gpg::LogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'std::__1::cerr'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::DEFAULT_ON_LOG(gpg::LogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'std::__1::ctype<char>::id'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function gpg::SnapshotMetadataChangeToJava(gpg::SnapshotMetadataChange const&): error: undefined reference to 'std::__1::locale::locale()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__function::__func<gpg::InternalCallback<gpg::AchievementManager::FetchResponse const&> gpg::InternalizeBlockingRefHelper<gpg::AchievementManager::FetchResponse>(gpg::BlockingHelper<gpg::AchievementManager::FetchResponse>)::{lambda(gpg::AchievementManager::FetchResponse const&)#1}, std::__1::allocator<{lambda(gpg::AchievementManager::FetchResponse const&)#1}>, void (gpg::AchievementManager::FetchResponse const&)>::operator()(gpg::AchievementManager::FetchResponse const&): error: undefined reference to 'std::__1::condition_variable::notify_all()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__function::__func<gpg::InternalCallback<gpg::UIStatus const&> gpg::InternalizeBlockingRefHelper<gpg::UIStatus>(gpg::BlockingHelper<gpg::UIStatus>)::{lambda(gpg::UIStatus const&)#1}, std::__1::allocator<{lambda(gpg::UIStatus const&)#1}>, void (gpg::UIStatus const&)>::operator()(gpg::UIStatus const&): error: undefined reference to 'std::__1::condition_variable::notify_all()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__shared_ptr_emplace<gpg::BlockingHelper<gpg::UIStatus>::SharedState, std::__1::allocator<gpg::BlockingHelper<gpg::UIStatus>::SharedState> >::__on_zero_shared(): error: undefined reference to 'std::__1::condition_variable::~condition_variable()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::__shared_ptr_emplace<gpg::BlockingHelper<gpg::UIStatus>::SharedState, std::__1::allocator<gpg::BlockingHelper<gpg::UIStatus>::SharedState> >::~__shared_ptr_emplace(): error: undefined reference to 'std::__1::condition_variable::~condition_variable()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::cv_status std::__1::condition_variable::wait_until<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > >(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > > const&): error: undefined reference to 'std::__1::chrono::system_clock::now()'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::cv_status std::__1::condition_variable::wait_until<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > >(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > > const&): error: undefined reference to 'std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > >)'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (gpg::LogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'vtable for __cxxabiv1::__function_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (*)(gpg::LogLevel, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&): error: undefined reference to 'vtable for __cxxabiv1::__pointer_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (std::__1::function<void ()>): error: undefined reference to 'vtable for __cxxabiv1::__function_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:typeinfo for void (*)(gpg::MultiplayerEvent, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, gpg::TurnBasedMatch): error: undefined reference to 'vtable for __cxxabiv1::__pointer_type_info'
1>C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\toolchains\arm-linux-androideabi-4.9\prebuilt\windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function (see go/missingkeymethod)
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(unsigned int): error: undefined reference to 'std::__1::num_put<char, std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > >::id'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(unsigned int): error: undefined reference to 'std::__1::ctype<char>::id'
1>libs\gpg-cpp-sdk\android\lib\c++\armeabi/libgpg.a:zero_copy_stream_impl_lite.cc:function std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(unsigned long long): error: undefined reference to 'std::__1::num_put<char, std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > >::id'