Boost C++ Libraries: Ticket #8982: More -Wunused-local-typedef warnings when building Boost 1.54.0 with gcc 4.8.1 https://svn.boost.org/trac10/ticket/8982 <p> These are the unused-local-typedef warnings specific to Boost.Xpressive: </p> <p> ./boost/xpressive/regex_algorithms.hpp:306:57: warning: typedef ‘char_type’ locally defined but not used [-Wunused-local-typedefs] </p> <blockquote> <p> typedef typename iterator_value&lt;<a class="missing wiki">BidiIter</a>&gt;::type char_type; </p> </blockquote> <p> ./boost/xpressive/detail/dynamic/parser.hpp:331:53: warning: typedef ‘char_type’ locally defined but not used [-Wunused-local-typedefs] </p> <blockquote> <p> typedef typename iterator_value&lt;<a class="missing wiki">BidiIter</a>&gt;::type char_type; </p> </blockquote> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/8982 Trac 1.4.3