https://svn.boost.org/trac/boost/wiki/Guidelines/MaintenanceGuidelines (bottom of the page) has a collection of suggestions for 'quieting' warnings on MSVC and GCC, but no information on other compilers yet. Can users of these compilers please 1 Assert that they never have a problem with unhelpful compiler warnings from Boost stuff, or 2 Send common warnings and suggestions for dealing with them by suppressing or by 'fixing' the code (so that I can add to the guidelines. Thanks Paul --- Paul A. Bristow Prizet Farmhouse Kendal, UK LA8 8AB +44 1539 561830, mobile +44 7714330204 pbristow@hetp.u-net.com