https://svn.boost.org/trac10/ticket/8987 <p> These are the unused-local-typedef warnings specific to Boost.Log: </p> <p> libs/log/src/date_time_format_parser.cpp:321:23: warning: typedef ‘callback_type’ locally defined but not used [-Wunused-local-typedefs] </p> <blockquote> <p> typedef CallbackT callback_type; </p> </blockquote> <p> libs/log/src/init_from_settings.cpp:131:44: warning: typedef ‘string_type’ locally defined but not used [-Wunused-local-typedefs] </p> <blockquote> <p> typedef std::basic_string&lt; char_type &gt; string_type; </p> </blockquote> <p> libs/log/src/init_from_settings.cpp:702:43: warning: typedef ‘string_type’ locally defined but not used [-Wunused-local-typedefs] </p> <blockquote> <p> typedef typename section::string_type string_type; </p> </blockquote> <p> boost/log/expressions/formatters/c_decorator.hpp:223 </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/8987 Trac 1.4.3 Andrey Semashev Fri, 09 Aug 2013 06:07:50 GMT https://svn.boost.org/trac10/ticket/8987#comment:1 https://svn.boost.org/trac10/ticket/8987#comment:1 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> <p> It should already be fixed in trunk. </p> Ticket