Hi, I tried to build boost 1.39 with 64-bit gcc 4.4 from www.equation.com and the thread library failed to compile. As it is stated here (http://sourceforge.net/forum/message.php?msg_id=5570690), the problem is (partly at least) lack of boost::thread support for 64-bit windows gcc. Will coming 1.40 version address this problem? TIA -- The fish that is singing in Ucayali river...