g++ -std=c++11 -c -pedantic -pedantic-errors -Wall -Wextra -Werror -Woverloaded-virtual -Iboost-build/include/ -O0 -g3 -o build/debug/test/main.o test/main.cpp
In file included from boost-build/include/boost/test/unit_test_log.hpp:18:0,
                 from boost-build/include/boost/test/tools/old/impl.hpp:19,
                 from boost-build/include/boost/test/test_tools.hpp:38,
                 from boost-build/include/boost/test/unit_test.hpp:18,
                 from test/main.cpp:5:
boost-build/include/boost/test/tree/observer.hpp:41:21: error: ‘virtual void boost::unit_test::test_observer::test_unit_skipped(const boost::unit_test::test_unit&)’ was hidden [-Werror=overloaded-virtual]
     virtual void    test_unit_skipped( test_unit const& ) {} ///< backward compartibility
                     ^
In file included from boost-build/include/boost/test/tools/old/impl.hpp:19:0,
                 from boost-build/include/boost/test/test_tools.hpp:38,
                 from boost-build/include/boost/test/unit_test.hpp:18,
                 from test/main.cpp:5:
boost-build/include/boost/test/unit_test_log.hpp:97:25: error:   by ‘virtual void boost::unit_test::unit_test_log_t::test_unit_skipped(const boost::unit_test::test_unit&, boost::unit_test::const_string)’ [-Werror=overloaded-virtual]
     virtual void        test_unit_skipped( test_unit const&, const_string );
                         ^