Newest intel C++ release and vs2010, can not build with chrono from trunk. I get : pnet.cpp ..\..\..\external\boost\boost/chrono/duration.hpp(94): error: expected an expression && (boost::is_convertible<Rep2, ^ ..\..\..\external\boost\boost/chrono/duration.hpp(124): error: expected an expression && (boost::is_convertible<Rep, ^ compilation aborted for ..\network\pnet.cpp (code 2) call "C:\Program Files (x86)\Intel\ComposerXE-2011\bin\intel64//iclvars.bat" > nul icl @"bin\intel-win\release\threading-multi\pnet.obj.rsp" ...failed compile-c-c++ bin\intel-win\release\threading-multi\pnet.obj... ...failed updating 1 target... Any suggestions welcome. Thanks /Bo