In file included from /usr/local/boost_1_54_0/include/boost/log/expressions/keyword.hpp:255:0,
                 from /usr/local/boost_1_54_0/include/boost/log/expressions.hpp:21,
                 from src/test_logging.cpp:17:
/usr/local/boost_1_54_0/include/boost/log/detail/trivial_keyword.hpp:33:347: error: missing initializer for member ‘boost::log::v2_mt_posix::expressions::attribute_keyword<boost::log::v2_mt_posix::trivial::tag::severity>::proto_expr_’ [-Werror=missing-field-initializers]

In file included from /usr/local/boost_1_54_0/include/boost/log/expressions.hpp:22:0,
                 from src/test_logging.cpp:17:
/usr/local/boost_1_54_0/include/boost/log/expressions/message.hpp:98:31: error: missing initializer for member ‘boost::log::v2_mt_posix::expressions::attribute_keyword<boost::log::v2_mt_posix::expressions::tag::message>::proto_expr_’ [-Werror=missing-field-initializers]
/usr/local/boost_1_54_0/include/boost/log/expressions/message.hpp:108:33: error: missing initializer for member ‘boost::log::v2_mt_posix::expressions::attribute_keyword<boost::log::v2_mt_posix::expressions::tag::smessage>::proto_expr_’ [-Werror=missing-field-initializers]
/usr/local/boost_1_54_0/include/boost/log/expressions/message.hpp:119:33: error: missing initializer for member ‘boost::log::v2_mt_posix::expressions::attribute_keyword<boost::log::v2_mt_posix::expressions::tag::wmessage>::proto_expr_’ [-Werror=missing-field-initializers]

In file included from /usr/local/boost_1_54_0/include/boost/log/expressions.hpp:23:0,
                 from src/test_logging.cpp:17:
/usr/local/boost_1_54_0/include/boost/log/expressions/record.hpp:40:29: error: missing initializer for member ‘boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0l> >::proto_expr_’ [-Werror=missing-field-initializers]

In file included from /usr/local/boost_1_54_0/include/boost/log/expressions/formatters.hpp:20:0,
                 from /usr/local/boost_1_54_0/include/boost/log/expressions.hpp:26,
                 from src/test_logging.cpp:17: