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Re: test-memchr crash

From: Simon Josefsson
Subject: Re: test-memchr crash
Date: Tue, 16 Jun 2009 09:30:03 +0200
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.94 (gnu/linux)

Eric Blake <address@hidden> writes:

> According to Simon Josefsson on 6/13/2009 10:43 AM:
>>> Looks pretty much like one of the glibc memchr bugs that were recently 
>>> fixed:
>>>   <http://sourceware.org/bugzilla/show_bug.cgi?id=10162>
>> I'm not sure, the machine where this fails runs glibc 2.7 and the bug
>> appears to be about glibc 2.10?  The machine appears to be a debian
>> lenny machine.  It is GCC compile farm host gcc60, if you have an
>> account.
> I don't (yet, although I should look into getting one).  Hey, does the
> strstr test also fail on this machine, even with the fixed memchr.m4?  The
> logs you pointed to were for SASL, which did not use the strstr module.
> If test-strstr fails (which I suspect it will), then I need to also modify
> strstr.m4 to declare that the system strstr needs replacing if memchr is
> broken.

I have started a build of gnulib on that host, and it will run daily
from now on.

But testing strstr (using current gnulib) manually passes:

checking for getpagesize... yes
checking for mmap... yes
checking for MAP_ANONYMOUS... yes
checking for memchr... yes
checking whether memchr works... no
checking bp-sym.h usability... no
checking bp-sym.h presence... no
checking for bp-sym.h... no
checking whether strstr works in linear time... no
PASS: test-strstr

I checked, and the gnulib strstr replacement is used.


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