From boost-build  Tue Aug 19 05:28:21 2014
From: Vladimir Prus <ghost () cs ! msu ! su>
Date: Tue, 19 Aug 2014 05:28:21 +0000
To: boost-build
Subject: Re: [Boost-build] Problem with pragma intrinsic(_InterlockedCompareExchange)
Message-Id: <53F2E075.7050107 () cs ! msu ! su>
X-MARC-Message: https://marc.info/?l=boost-build&m=140842610608323

On 08/19/2014 08:44 AM, Adam Beneschan wrote:
> I'm not an old hand at building Boost (I did install 1.55 on a different machine), so sorry if this is a trivial question.
>
> I'm trying to build 1.56 on a Windows 8 system, using mingw and gcc.
>
> bootstrap.bat mingw
> b2 toolset=gcc --build-type=complete stage
>
> This results in a number of occurrences of this message:
>
> ./boost/thread/win32/thread_primitives.hpp:180:0: warning: ignoring #pragma intrinsic  [-Wunknown-pragmas]
>   #pragma intrinsic(_InterlockedCompareExchange)
>
> I can't link any program that needs -lboost_thread; it complains about undefined references to _InterlockedCompareExchange.
>
> Is this just a matter of adding __stdcall to the declaration of _InterlockedCompareExchange in thread_primitives.hpp, or is a different fix
> needed?
>
> Assuming I either fix the source myself or get a patch, how would I rebuild without rebuilding all of Boost from scratch?  Sorry if this
> seems like a dumb question, but so far I've just followed instructions without really knowing anything about b2, and I'm hoping not to have
> to do another four-and-a-half-hour build.

Adam,

you would just run the same "b2" command you used, and it will rebuild the things that needs rebuilding.

I cannot comment on the best source-level fix though - Boost.Thread maintainers would have to answer that.

- Volodya

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