[Boost-bugs] [Boost C++ Libraries] #8466: Boost.TR1 misdetects Visual C++ 2012's support as nonexistent

Subject: [Boost-bugs] [Boost C++ Libraries] #8466: Boost.TR1 misdetects Visual C++ 2012's support as nonexistent
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-04-20 11:29:39

#8466: Boost.TR1 misdetects Visual C++ 2012's support as nonexistent
-----------------------------------------------+----------------------------
 Reporter:  Vaclav Slavik <vslavik@…>          |       Owner:  johnmaddock
     Type:  Patches                            |      Status:  new        
Milestone:  To Be Determined                   |   Component:  TR1        
  Version:  Boost Development Trunk            |    Severity:  Problem    
 Keywords:                                     |  
-----------------------------------------------+----------------------------
 The test in `boost/tr1/detail/config.hpp` indicates native TR1 support
 only if the `_HAS_TR1` macro is set and non-zero. This was set by VC2010,
 but 2012 no longer defines this symbol. Consequently, Boost's
 implementation is used and conflicts ensue.

 `_HAS_TR1` is a private symbol that shouldn't be checked according to
 this:
 http://lists.boost.org/Archives/boost/2011/06/182516.php


 Attached patch fixes this by also checking for VC11+ via `_MSC_VER`.

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/8466>
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