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From: Diego Novillo <dnovillo@google.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: gcc@gnu.org, libstdc++@gcc.gnu.org
Subject: Re: Spurious libstdc++ testsuite failures because of truncated buffered output
Date: Fri, 18 Mar 2011 18:41:00 -0000	[thread overview]
Message-ID: <AANLkTikUao2YE3aiNrGnNUOfojxt_jgFdZ0FE8jrDKLE@mail.gmail.com> (raw)
In-Reply-To: <m2r5a45moc.fsf@igel.home>

On Fri, Mar 18, 2011 at 14:05, Andreas Schwab <schwab@linux-m68k.org> wrote:
> Diego Novillo <dnovillo@google.com> writes:
>
>> Thanks, but I don't think match_max affects this.  It's the output
>> from the compiler that is being truncated.
>
> I don't see that problem on powerpc-linux (and I couldn't find any such
> failure on gcc-testresults).

It only happens in our builds that have very deep directory trees.
The extra long path names contribute to filling up whatever buffer
that dejagnu uses for output.  I believe that if you manage to build
inside a tree this long, you'll be able to reproduce the problem:

$ pwd -P | wc -c
236


Diego.

      reply	other threads:[~2011-03-18 18:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-18 15:04 Diego Novillo
2011-03-18 15:30 ` Paolo Carlini
2011-03-18 15:36   ` Diego Novillo
2011-03-18 15:40     ` Paolo Carlini
2011-03-18 15:43       ` Diego Novillo
2011-03-18 16:01     ` Joseph S. Myers
2011-03-18 16:31       ` Diego Novillo
2011-03-18 15:56 ` Andreas Schwab
2011-03-18 16:27   ` Diego Novillo
2011-03-18 18:05     ` Andreas Schwab
2011-03-18 18:41       ` Diego Novillo [this message]

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