GNU bug report logs - #50069
grep-3.7 test-regex fails when configured with --without-included-regex

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Klaus Dittrich <kladit <at> t-online.de>
To: bug-grep <at> gnu.org
Subject: grep-3.7 test-regex fails when configured with
 --without-included-regex
Date: Sun, 15 Aug 2021 18:49:12 +0200

According to configure --help

--without-included-regex
don't compile regex; this is the default on systems
with recent-enough versions of the GNU C Library
(use with caution on other systems).


I have installed glib-2.34 so I assumed --without-included-regex would 
save some time. Instead I got

===============================================
   GNU grep 3.7: gnulib-tests/test-suite.log
===============================================

# TOTAL: 201
# PASS:  192
# SKIP:  8
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0

.. contents:: :depth: 2

FAIL: test-regex
================

free(): invalid pointer
FAIL test-regex (exit status: 134)


Without using this option all run through without any failure.

So is this option deprecated, configure/compile logic wrong or do I have 
overlooked something?

--
Regards Klaus

Message #10 received at 50069-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Klaus Dittrich <kladit <at> t-online.de>
Cc: 50069-done <at> debbugs.gnu.org
Subject: Re: bug#50069: grep-3.7 test-regex fails when configured with
 --without-included-regex
Date: Sun, 15 Aug 2021 11:22:10 -0700

On 8/15/21 9:49 AM, Klaus Dittrich wrote:
> --without-included-regex
> don't compile regex; this is the default on systems
> with recent-enough versions of the GNU C Library
> (use with caution on other systems)....

> So is this option deprecated, configure/compile logic wrong or do I have 
> overlooked something?

You're running into this glibc bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=11053

Unfortunately yhis has not yet been fixed in glibc. However, GNU grep's 
implementation fixes the bug.

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