[boost] Re: is_abstract update

John Maddock wrote:

Following on from the recent discussion, we now have:

BOOST_NO_IS_ABSTRACT added to the config system, this is likely to cause some new failures with config_test.cpp until we get the macro added to those compiler config files that need it (although Gcc, Visual C++, Borland C++ are already taken care of).

I didn't follow this discussion ... please could somebody write me two sentences about how to make cw* pass again? Stefan