/home/ssun/library/boost_1_54_0/stage/include/boost/utility/result_of.hpp: In instantiation of 'boost::detail::result_of_nested_result<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>':
/home/ssun/library/boost_1_54_0/stage/include/boost/utility/result_of.hpp:67:   instantiated from 'boost::detail::tr1_result_of_impl<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>), false>'
/home/ssun/library/boost_1_54_0/stage/include/boost/utility/result_of.hpp:60:   instantiated from 'boost::tr1_result_of<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>'
/home/ssun/library/boost_1_54_0/stage/include/boost/utility/result_of.hpp:59:   instantiated from 'boost::result_of<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/custom_terminal_spec.hpp:54:   instantiated from 'boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void>::result<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>&, boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/detail/poly_function.hpp:205:   instantiated from 'boost::proto::detail::poly_function_traits<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void>, boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>&, boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>), mpl_::size_t<3ul> >'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/call.hpp:246:   instantiated from 'boost::proto::call<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(boost::proto::_value, boost::phoenix::_context)>::impl2<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&, false>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/call.hpp:313:   instantiated from 'boost::proto::call<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(boost::proto::_value, boost::phoenix::_context)>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/detail/preprocessed/lazy.hpp:84:   instantiated from 'boost::proto::lazy<boost::phoenix::custom_terminal<boost::proto::_value, void> ()(boost::proto::_value, boost::phoenix::_context)>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/when.hpp:194:   instantiated from 'boost::proto::when<boost::phoenix::rule::custom_terminal, boost::proto::external_transform>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:753:   instantiated from 'boost::proto::or_<boost::phoenix::enable_rule<boost::phoenix::rule::argument, void>, boost::phoenix::enable_rule<boost::phoenix::rule::custom_terminal, void>, boost::phoenix::enable_rule<boost::phoenix::rule::terminal, void>, void, void, void, void, void, void, void>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/default.hpp:145:   instantiated from 'boost::proto::detail::default_greater_equal<boost::phoenix::meta_grammar>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::proto::detail::default_cases<boost::phoenix::meta_grammar>, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/when.hpp:194:   instantiated from 'boost::proto::when<boost::phoenix::rule::greater_equal, boost::proto::external_transform>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/meta_grammar.hpp:66:   instantiated from 'boost::phoenix::evaluator::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, const boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, boost::phoenix::default_actions>&, boost::proto::envns_::empty_env>'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:60:   instantiated from 'boost::phoenix::result_of::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>, const boost::log::v2s_mt_posix::attribute_value_set&, void, void, void, void, void, void, void, void, void, void>'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:77:   instantiated from 'static ResultT boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::invoke_impl(boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl_base*, ArgT0) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:55:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::impl(const FunT&) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:117:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::light_function(const FunT&, typename boost::disable_if<boost::mpl::or_<boost::move_detail::is_rv<FunT>, boost::is_same<FunT, boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)> >, mpl_::bool_<false>, mpl_::bool_<false>, mpl_::bool_<false> >, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/expressions/filter.hpp:90:   instantiated from 'boost::log::v2s_mt_posix::filter::filter(const FunT&, typename boost::disable_if<boost::move_detail::is_rv<FunT>, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >]'
main.cpp:38:   instantiated from here
/home/ssun/library/boost_1_54_0/stage/include/boost/utility/result_of.hpp:174: error: invalid use of undefined type 'struct boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>::result<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/expressions/attr.hpp:70: error: declaration of 'struct boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>::result<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/custom_terminal_spec.hpp: In instantiation of 'boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void>::result<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>&, boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>':
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/detail/poly_function.hpp:205:   instantiated from 'boost::proto::detail::poly_function_traits<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void>, boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>&, boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>), mpl_::size_t<3ul> >'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/call.hpp:246:   instantiated from 'boost::proto::call<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(boost::proto::_value, boost::phoenix::_context)>::impl2<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&, false>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/call.hpp:313:   instantiated from 'boost::proto::call<boost::phoenix::custom_terminal<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity>, void> ()(boost::proto::_value, boost::phoenix::_context)>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/detail/preprocessed/lazy.hpp:84:   instantiated from 'boost::proto::lazy<boost::phoenix::custom_terminal<boost::proto::_value, void> ()(boost::proto::_value, boost::phoenix::_context)>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/when.hpp:194:   instantiated from 'boost::proto::when<boost::phoenix::rule::custom_terminal, boost::proto::external_transform>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:753:   instantiated from 'boost::proto::or_<boost::phoenix::enable_rule<boost::phoenix::rule::argument, void>, boost::phoenix::enable_rule<boost::phoenix::rule::custom_terminal, void>, boost::phoenix::enable_rule<boost::phoenix::rule::terminal, void>, void, void, void, void, void, void, void>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/default.hpp:145:   instantiated from 'boost::proto::detail::default_greater_equal<boost::phoenix::meta_grammar>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::proto::detail::default_cases<boost::phoenix::meta_grammar>, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/when.hpp:194:   instantiated from 'boost::proto::when<boost::phoenix::rule::greater_equal, boost::proto::external_transform>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/meta_grammar.hpp:66:   instantiated from 'boost::phoenix::evaluator::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, const boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, boost::phoenix::default_actions>&, boost::proto::envns_::empty_env>'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:60:   instantiated from 'boost::phoenix::result_of::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>, const boost::log::v2s_mt_posix::attribute_value_set&, void, void, void, void, void, void, void, void, void, void>'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:77:   instantiated from 'static ResultT boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::invoke_impl(boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl_base*, ArgT0) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:55:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::impl(const FunT&) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:117:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::light_function(const FunT&, typename boost::disable_if<boost::mpl::or_<boost::move_detail::is_rv<FunT>, boost::is_same<FunT, boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)> >, mpl_::bool_<false>, mpl_::bool_<false>, mpl_::bool_<false> >, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/expressions/filter.hpp:90:   instantiated from 'boost::log::v2s_mt_posix::filter::filter(const FunT&, typename boost::disable_if<boost::move_detail::is_rv<FunT>, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >]'
main.cpp:38:   instantiated from here
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/custom_terminal_spec.hpp:54: error: no type named 'type' in 'struct boost::result_of<const boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> ()(boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>)>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/default.hpp: In instantiation of 'boost::proto::detail::default_greater_equal<boost::phoenix::meta_grammar>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>':
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::proto::detail::default_cases<boost::phoenix::meta_grammar>, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/when.hpp:194:   instantiated from 'boost::proto::when<boost::phoenix::rule::greater_equal, boost::proto::external_transform>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/matches.hpp:831:   instantiated from 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()()>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/meta_grammar.hpp:66:   instantiated from 'boost::phoenix::evaluator::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, const boost::phoenix::vector2<boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, boost::phoenix::default_actions>&, boost::proto::envns_::empty_env>'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:60:   instantiated from 'boost::phoenix::result_of::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>, const boost::log::v2s_mt_posix::attribute_value_set&, void, void, void, void, void, void, void, void, void, void>'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:77:   instantiated from 'static ResultT boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::invoke_impl(boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl_base*, ArgT0) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:55:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::impl(const FunT&) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:117:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::light_function(const FunT&, typename boost::disable_if<boost::mpl::or_<boost::move_detail::is_rv<FunT>, boost::is_same<FunT, boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)> >, mpl_::bool_<false>, mpl_::bool_<false>, mpl_::bool_<false> >, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/expressions/filter.hpp:90:   instantiated from 'boost::log::v2s_mt_posix::filter::filter(const FunT&, typename boost::disable_if<boost::move_detail::is_rv<FunT>, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >]'
main.cpp:38:   instantiated from here
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/default.hpp:145: error: no type named 'type' in 'struct boost::proto::detail::default_greater_equal<boost::phoenix::meta_grammar>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>::nested_result_type'
/home/ssun/library/boost_1_54_0/stage/include/boost/proto/transform/default.hpp:145: error: no type named 'type' in 'struct boost::proto::detail::default_greater_equal<boost::phoenix::meta_grammar>::impl<const boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>&, boost::phoenix::vector2<const boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >*, const boost::log::v2s_mt_posix::attribute_value_set&>&, const boost::phoenix::default_actions&>::nested_result_type'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp: In static member function 'static ResultT boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::invoke_impl(boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl_base*, ArgT0) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]':
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:55:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::impl<FunT>::impl(const FunT&) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:117:   instantiated from 'boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)>::light_function(const FunT&, typename boost::disable_if<boost::mpl::or_<boost::move_detail::is_rv<FunT>, boost::is_same<FunT, boost::log::v2s_mt_posix::aux::light_function<ResultT ()(ArgT0)> >, mpl_::bool_<false>, mpl_::bool_<false>, mpl_::bool_<false> >, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >, ResultT = bool, ArgT0 = const boost::log::v2s_mt_posix::attribute_value_set&]'
/home/ssun/library/boost_1_54_0/stage/include/boost/log/expressions/filter.hpp:90:   instantiated from 'boost::log::v2s_mt_posix::filter::filter(const FunT&, typename boost::disable_if<boost::move_detail::is_rv<FunT>, int>::type) [with FunT = boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >]'
main.cpp:38:   instantiated from here
/home/ssun/library/boost_1_54_0/stage/include/boost/log/detail/light_function_pp.hpp:77: error: no match for call to '(boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l> >) (const boost::log::v2s_mt_posix::attribute_value_set&)'
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/actor.hpp:240: note: candidates are: typename boost::phoenix::result_of::actor<typename boost::mpl::eval_if_c<boost::mpl::or_<boost::phoenix::is_custom_terminal<Expr, void>,mpl_::bool_<boost::is_placeholder<Expr>::value>,mpl_::bool_<false>,mpl_::bool_<false>,mpl_::bool_<false> >::value, boost::proto::terminal<T>, boost::mpl::identity<T> >::type::proto_base_expr, void, void, void, void, void, void, void, void, void, void, void>::type boost::phoenix::actor< <template-parameter-1-1> >::operator()() [with Expr = boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>]
/home/ssun/library/boost_1_54_0/stage/include/boost/phoenix/core/actor.hpp:249: note:                 typename boost::phoenix::result_of::actor<typename boost::mpl::eval_if_c<boost::mpl::or_<boost::phoenix::is_custom_terminal<Expr, void>,mpl_::bool_<boost::is_placeholder<Expr>::value>,mpl_::bool_<false>,mpl_::bool_<false>,mpl_::bool_<false> >::value, boost::proto::terminal<T>, boost::mpl::identity<T> >::type::proto_base_expr, void, void, void, void, void, void, void, void, void, void, void>::type boost::phoenix::actor< <template-parameter-1-1> >::operator()() const [with Expr = boost::proto::exprns_::expr<boost::proto::tagns_::tag::greater_equal, boost::proto::argsns_::list2<boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>, boost::phoenix::actor<boost::proto::exprns_::expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::log::v2s_mt_posix::trivial::severity_level>, 0l> > >, 2l>]