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Subject: Re: [boost] BOOST_MSVC vs. _MSC_VER wrt #pragma warning
From: John Maddock (john_at_[hidden])
Date: 2009-12-01 06:19:13

>I understand that BOOST_MSVC is needed to detect MSVC because other
> compilers besides MSVC define _MSC_VER.
> But what about #ifdefing #pragma warning, should it use _MSC_VER or
> BOOST_MSVC? The reason why the ifdefing is needed is to prevent GCC
> and other compilers issuing a warning about #pragma warning, but
> presumably compilers that have _MSC_VER defined wouldn't warn about
> that, would they?

Well one would hope not, but I'm not so sure about Como, and even Borland
used to define _MSC_VER at one point - and they definitely didn't support
that pragma!

My gut feeling is that if BOOST_MSVC is available then make use of it, but I
could be wrong... John.

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