[Boost-users] boost::signals with Qt

Hi, Just want to know *exactly* how to use boost::signals in a Qt project. I read this : http://www.boost.org/doc/html/ch06s04.html but I don't understand how to do it. I try to recompile boost with : "-sBUILD=<define>BOOST_SIGNALS_NAMESPACE=signalslib". After that, I try to directly change BOOST_SIGNALS_NAMESPACE in signals_common.hpp but didn't work neither. I use gcc 3.3.2 under Linux Mandrake 10 Thank you for any suggestion Al