https://svn.boost.org/trac10/ticket/2883 <p> I get the following error when trying to use boost sigals with GCC 3.4.5 for arm: </p> <pre class="wiki"> In file included from /home/tk/centidev/target/staging/include/boost/signals/detail/signal_base.hpp:15, from /home/tk/centidev/target/staging/include/boost/signals/signal_template.hpp:23, from /home/tk/centidev/target/staging/include/boost/signals/signal0.hpp:24, from /home/tk/centidev/target/staging/include/boost/signal.hpp:19, from TableScoreboard.h:4, from TableAssembler.cpp:3: /home/tk/centidev/target/staging/include/boost/signals/detail/named_slot_map.hpp: In member function `boost::signals::detail::connection_slot_pair&amp; boost::signals::detail::named_slot_map_iterator::dereference() const': /home/tk/centidev/target/staging/include/boost/signals/detail/named_slot_map.hpp:114: error: invalid initialization of reference of type 'boost::signals::detail::connection_slot_pair&amp;' from expression of type 'const boost::signals::detail::connection_slot_pair' </pre><p> Thomas </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/2883 Trac 1.4.3 viboes Wed, 12 Jun 2013 21:46:23 GMT