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Date:	Thu, 20 Aug 2009 02:21:33 +0100
From:	Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject:	Re: Problem with GCC4[1.7]
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Angelo Graziosi wrote:
> I have done a minimal installation of Cygwin-1.7 and have tried to use
> it playing to build GCC-4.4.1, but 'configure' hangs.

> checking whether compiler driver understands Ada...
> -------------------------------------------------------
> 
> Here it hangs. Task manager shows that 'gnat1.exe' take all the CPU in
> usage (50%). If I kill gnat1 with task manager, the above 'configure'
> continues:

  Yes, this has just started happening to me, and I'm not 100% clear why.  The
problem is that __main is getting called twice, leading to a loop in the
linked list of registered EH data tables.  I don't understand how it managed
to pass the testsuite so well when it does this after installation.  Nor do I
understand why it's only just started doing this, unless top-level configure
didn't used to check for ada by default and now it does.

  For now I recommend uninstalling gcc4-ada, or just 'rm' the gnat executables
from /bin.  I'll have a somewhat better (at least to the extent of not hanging
like this) version out in 4.3.4-1 very shortly.  Apologies for the inconvenience.

    cheers,
      DaveK


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