https://svn.boost.org/trac10/ticket/6875 <p> Boost.Signals2 compile error because Boost.Signals2 using try/catch grammar (not BOOST_TRY/BOOST_CATCH) in fnoexception environment. This ticket is feature requests (not bug). </p> <pre class="wiki">// g++ main.cpp -fno-exceptions -I "C:\Library\Boost\1_49_0" #define BOOST_NO_EXCEPTIONS #include &lt;boost/signals2.hpp&gt; int main () { } </pre><pre class="wiki">In file included from C:\Library\Boost\boost_1_49_0/boost/signals2/deconstruct.h pp:29:0, from C:\Library\Boost\boost_1_49_0/boost/signals2.hpp:15, from main.cpp:2: C:\Library\Boost\boost_1_49_0/boost/signals2/deconstruct_ptr.hpp: In function 'v oid boost::signals2::detail::do_predestruct(const boost::signals2::predestructib le_adl_barrier::predestructible*)': C:\Library\Boost\boost_1_49_0/boost/signals2/deconstruct_ptr.hpp:48:15: error: e xception handling disabled, use -fexceptions to enable </pre> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/6875 Trac 1.4.3