Re: [boost] Re: Problematic inclusion of "pthread.h".

From: John Maddock (john_at_[hidden])
Date: 2004-10-07 05:30:10

> John, this comment (which is in the current version in CVS) is
> misleading, and IMHO the whole thing is redundant.
>
> If *any* 3.4 libstdc++ header is included and _GLIBCXX_HAVE_GTHR_DEFAULT
> is defined then gthr-default.h will be included and therefore _REENTRANT
> will be defined, and therefore BOOST_HAS_THREADS will be defined anyway
> by boost/config/suffix.hpp
> (this is the case for GCC configured for MT support.)
>
> If _GLIBCXX_HAVE_GTHR_DEFAULT is not defined then gthr-default.h will
> not be included, and _REENTRANT will not be defined, and
> BOOST_DISABLE_THREADS will be defined by boost/config/suffix.hpp
> (this is the case for GCC configured with no support for MT.)
>
> I don't think that bit of preprocessor code changes anything (but I
> might be wrong again)

You're right, for some reason I thought we were dealing with gcc-3.3, but as 
you say it is indeed 3.4.

In which case I'm lost as to why the config headers aren't doing the right 
thing anyway - including <utility> should be enough solve the issue as it 
does on linux :-(

Thanks,

John.