[boost] [winapi] Major changes in develop

Subject: [boost] [winapi] Major changes in develop
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2015-06-21 12:25:00

Hi,

I've just merged a largely reworked version of Boost.WinAPI to develop. 
It fixes a few bugs and also changes the implementation for better 
conformance with the C++ standard. Hopefully, it should fix compilation 
issues with clang on Windows.

Another significant change is that Boost.WinAPI targets Windows Vista 
and later by default. As before, it is possible to explicitly select 
another version to target by defining BOOST_USE_WINAPI_VERSION. For 
example, to build Boost for Windows XP one would invoke:

   b2 define=BOOST_USE_WINAPI_VERSION=0x0501

If anyone has problems with this change, please let me know.