GNU bug report logs - #17700
[PATCH] dfa: speed-up for a pattern that many atoms are catenated

Previous Next

Full log

Message #28 received at 17700 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Cc: 17700 <at> debbugs.gnu.org
Subject: Re: bug#17700: [PATCH] dfa: speed-up for a pattern that many atoms
 are catenated
Date: Fri, 06 Jun 2014 07:19:36 -0700

[Message part 1 (text/plain, inline)]

Norihiro Tanaka wrote:
> strstr() on CentOS 5.10 may be too old.

Yes it is.  But 'configure' is supposed to detect this.  config.log 
should say something like this:

configure:26283: checking whether strstr works in linear time
configure:26357: gcc -std=gnu99 -o conftest -g -O2   conftest.c  >&5
configure:26357: $? = 0
configure:26357: ./conftest
configure:26357: $? = 142
configure: program exited with status 142

This is how it behaves for me, on RHEL 6.5 and on Solaris 11.1.  Could 
you please investigate why it is not occurring on CentOS 5.10?  For 
example, why does the attached program work?  It should fail.

[strstr-test.c (text/x-csrc, attachment)]

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.