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From: John Maddock (john_at_[hidden])
Date: 2004-06-28 10:10:01

> > We have a problem with gcc: thread support gets forced on in order to be
> > consistent with libstdc++ (long story), and there was a user-request for
> > helpful message so that users would know that they *may* end up
> > needing -lpthread.
> BTW, I was told that if boost/config.hpp is included before any system
> headers, it will still be able to use _REENTRANT to detect if -pthread was
> specified on the command line.

Yep, but if -pthread is specified on the command line, then presumably the
user really does want thread safe code :-)

> > My gut feeling is to just take the warning out for this release, longer
> > term: Vladimir is there any macro that gets defined by the bjam build
> > process, something like BOOST_BJAM_BUILD, so the code knows when it's
> > being
> > built by the bjam test system? Any other helpful suggestions
> No, I don't know any. How would that help?
> I'm not sure if such macro can be easily added in Boost.Build v1. In V2
> one-line change to top-level Jamfile, so I hope V2 will be ready to
> V1 after we've done with the release.

I was just thinking out loud really, that maybe we could automatically
suppress things like this whenever we're building with bjam, but you're
right it doesn't really solve the issue.


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