[Boost-users] How to know whether a boost heade has been included?

Subject: [Boost-users] How to know whether a boost heade has been included?
From: Vincenzo Romano (vincenzo.romano+boost-users_at_[hidden])
Date: 2014-11-03 03:08:27

I thought I could check for the symbol BOOST_VERSION to be defined.
But, as of v1.55, it's not the case at least for the <boost/any.hpp> header.
Any hint?
Thanks in advance.