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From: Jonathan Wakely (cow_at_[hidden])
Date: 2004-10-07 11:44:19

On Thu, Oct 07, 2004 at 04:24:56PM +0200, Markus Sch?pflin wrote:

> John Maddock wrote:
> >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 :-(
> I think I found the reason why it doesn't work. As we all known by now,
> _REENTRANT is defined in a header included by "gthr.h".
> schoepf_at_AREA51:/opt/gcc/include/c++/3.4.2> /usr/local/bin/grep -r "gthr.h" .
> ./fstream:#include <bits/gthr.h>
> ./bits/concurrence.h:#include "bits/gthr.h"
> ./bits/locale_classes.h:#include <bits/gthr.h>
> ./bits/stl_threads.h:// The only supported threading model is GCC's own
> gthr.h abstraction
> ./bits/stl_threads.h:#include "bits/gthr.h"
> ./ext/bitmap_allocator.h:#include <bits/gthr.h>
> ./ext/mt_allocator.h:#include <bits/gthr.h>
> ./ext/rope:# include <bits/gthr.h>
> should be defined by gthr.h abstraction layer, report problem to
> ./alphaev56-dec-osf5.1/bits/c++io.h:#include <bits/gthr.h>
> And none of these headers is included by <utility>.
> But as soon as you use any I/O headers, the file gets included via
> "c++io.h" which is included by <iosfwd>. :-(
> What a mess!!!

Indeed. I'll ask about this on the libstdc++ list.


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