[boost] Re: [config] Single threaded builds with g++ >= 3.4: Nolonger possible?

From: Andreas Huber (ahd6974-spamgroupstrap_at_[hidden])
Date: 2005-01-18 12:31:39

Hi Christoph

>> I suspect this means that ST builds are no longer possible on some
>> GCC platforms (I'm using MinGW). Could someone please confirm or
>> deny this?
>
> builds without MT support are still possible but you need to
> explicitly define BOOST_DISABLE_THREADS (either via the compiler
> command line option or via your own version of boost/config/user.hpp).
>
> Yes, it is annoying, but given that gcc 3.4 does not provide a way to
> detect at compile time whether the option `-pthread' (or whatever it
> is on your platform) is present on the compiler command line, there
> seems to be no better solution. The corresponding PR in the gcc bug
> tracking system
> <URL:http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11953> did not see
> much activity lately whence I entertain some doubt whether there will
> be a resolution before gcc 4.0.

Thanks a lot for the info. I guess this makes it a bjam issue then. It 
seems that the mingw toolset should define BOOST_DISABLE_THREADS for a 
single-threaded build.

Regards,

-- 
Andreas Huber
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