On 2/27/2013 10:35 AM, boost-users-request-at-lists.boost.org |Boost/Allow to home| wrote:

...and then we use preprocessor checks to decide whether or not to provide definitions in a cop [cpp?] file. It is best to provide them for gcc, but not for msvc 2010 for example.

Yes, exactly. So what macro does CONFIG provide to determine whether they should be present or absent?