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Re: Hanging conftest

From: Eric Blake <eblake at redhat dot com>
To: Siddhesh Poyarekar <siddhesh at redhat dot com>
Cc: Michal Privoznik <mprivozn at redhat dot com>, bug-gnulib at gnu dot org, libc-alpha at sourceware dot org
Date: Thu, 28 Nov 2013 06:54:09 -0700
Subject: Re: Hanging conftest
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On 11/27/2013 10:00 PM, Siddhesh Poyarekar wrote:

>>> checking for working re_compile_pattern... 
>>>
>>> When the configure script hang and didn't continue.

> workaround, you could export MALLOC_CHECK_ to 2 so that the program
> only aborts and does not try to print a backtrace.

Michal, since you have the environment to test this, can you rerun:

./configure MALLOC_CHECK_=2

and see if the hang goes away?  If so, then I know how to patch gnulib
to ensure that this particular environment variable is always set for
each conftest that tries to tickle a known glibc memory corruption bug.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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