Re: Test failures in t4034

From: Johannes Sixt <j6t@kdbg.org>
Date: Aug 19, 2012, 21:36 UTC
Message-ID: <50315C42.5060403@kdbg.org>
In-Reply-To: <5030FD49.6060704@ramsay1.demon.co.uk>

Am 19.08.2012 16:50, schrieb Ramsay Jones:

Show 16 quoted lines

> Brian Gernhardt wrote:
>> I've been getting a couple of test failures and finally had the
>> time to track them down.
>> 
>> t4034-diff-words fails tests "22 diff driver 'bibtex'" and "26 diff
>> driver 'html'".  Bisecting shows that the file started giving me
>> errors in commit 8d96e72 "t4034: bulk verify builtin word regex
>> sanity", which appears to introduce those tests.  I don't see
>> anything obviously wrong with the tests and I'm not familiar with
>> the diff-words code, so I'm not sure what's wrong.
>> 
>> I am running on OS X 10.8, with Xcode 4.4.1 (llvm-gcc 4.2.1).
> 
> I had the same problem (or at least it *looks* like the same problem)
> on Linux last year (May 2011), which turned out to be a bug in the
> regex routines in an old version of glibc.

I also had the same problem, but did not remember why I don't have it anymore. Now that you mention it: It was the same situation and I came to the same conclusion (old glibc, bogus regex implementation). I worked it around with NO_REGEX=YesPlease in config.mak.

-- Hannes