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From: Andreas Huber (ahd6974-spamgroupstrap_at_[hidden])
Date: 2006-11-27 09:23:15

Vladimir Prus wrote:
>> I guess I need to give a bit of background here: As far as I
>> understand, including config.hpp into a cpp that is compiled with a
>> <threading>multi requirement should lead to the definition of
>> BOOST_HAS_THREADS. Vice versa, BOOST_HAS_THREADS is not defined for
>> cpps that are compiled with a <threading>single requirement. The
>> comment in the jamfile attempts to explain that this automatism does
>> not natively work on a few platforms. The idea behind
>> <threading>single:$(st-requirements) was an attempt to fix this
>> problem.
> Okay. Is John aware of such issues?

I believe so. I faintly remember having discussed this with him for
GCC>=3.4.0. IIRC, then it is close to impossible to correctly detect
threading mode on this platform.

>> Question: Should I still specify a <threading>single requirement for
>> those tests or would that lead to some sort of conflict (because e.g.
>> vc-8.0 is always <threading>multi).
> It should not lead to any problems. On msvc, your <threading>single
> will be overrden anyway. I'd still run the tests on msvc before
> comitting
> though ;-)

Ok, thank you. I've commited appropriate changes in trunk & branch.


Andreas Huber
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