/usr/include/boost/bind.hpp: In function 'void boost::visit_each(V&, const boost::_bi::value<T>&, int) [with V = boost::signals::detail::bound_objects_visitor, T = QtConfigPanel*]':
/usr/include/boost/bind.hpp:357:   instantiated from 'void boost::_bi::list3<A1, A2, A3>::accept(V&) const [with V = boost::signals::detail::bound_objects_visitor, A1 = boost::_bi::value<QtConfigPanel*>, A2 = boost::arg<1>, A3 = boost::arg<2>]'
/usr/include/boost/bind/bind_template.hpp:150:   instantiated from 'void boost::_bi::bind_t<R, F, L>::accept(V&) const [with V = boost::signals::detail::bound_objects_visitor, R = void, F = boost::_mfi::mf2<void, QtConfigPanel, Settings&, const std::string&>, L = boost::_bi::list3<boost::_bi::value<QtConfigPanel*>, boost::arg<1>, boost::arg<2> >]'
/usr/include/boost/bind.hpp:1213:   instantiated from 'void boost::visit_each(V&, const boost::_bi::bind_t<R, F, L>&, int) [with V = boost::signals::detail::bound_objects_visitor, R = void, F = boost::_mfi::mf2<void, QtConfigPanel, Settings&, const std::string&>, L = boost::_bi::list3<boost::_bi::value<QtConfigPanel*>, boost::arg<1>, boost::arg<2> >]'
/usr/include/boost/visit_each.hpp:25:   instantiated from 'void boost::visit_each(Visitor&, const T&) [with Visitor = boost::signals::detail::bound_objects_visitor, T = boost::_bi::bind_t<void, boost::_mfi::mf2<void, QtConfigPanel, Settings&, const std::string&>, boost::_bi::list3<boost::_bi::value<QtConfigPanel*>, boost::arg<1>, boost::arg<2> > >]'
/usr/include/boost/signals/slot.hpp:121:   instantiated from 'boost::slot<SlotFunction>::slot(const F&) [with F = boost::_bi::bind_t<void, boost::_mfi::mf2<void, QtConfigPanel, Settings&, const std::string&>, boost::_bi::list3<boost::_bi::value<QtConfigPanel*>, boost::arg<1>, boost::arg<2> > >, SlotFunction = boost::function<void ()(Settings&, const std::string&), std::allocator<void> >]'
libs/util/util/include/util/Event.h:120:   instantiated from 'boost::signals::connection Event<Signature>::operator+=(const Slot&) [with Slot = boost::_bi::bind_t<void, boost::_mfi::mf2<void, QtConfigPanel, Settings&, const std::string&>, boost::_bi::list3<boost::_bi::value<QtConfigPanel*>, boost::arg<1>, boost::arg<2> > >, Signature = void ()(Settings&, const std::string&)]'
wengophone/src/presentation/qt/QtConfigPanel.cpp:47:   instantiated from here
/usr/include/boost/bind.hpp:1208: error: no matching function for call to 'visit_each(boost::signals::detail::bound_objects_visitor&, QtConfigPanel* const&, int)'
scons: *** [release-symbols/wengophone/src/presentation/qt/QtConfigPanel.o] Error 1