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Re: Spurious libstdc++ testsuite failures because of truncated buffered output
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. ÂIt'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.