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Re: AS_IF failure
From: |
Ralf Wildenhues |
Subject: |
Re: AS_IF failure |
Date: |
Thu, 21 Aug 2008 08:09:49 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
* Eric Blake wrote on Wed, Aug 20, 2008 at 09:46:15PM CEST:
> Ralf Wildenhues <Ralf.Wildenhues <at> gmx.de> writes:
> >
> > Yep. It's a timing problem: the `script' from the first test has the
> > same time stamp as the `script.as' from the second test, tricking
> > autom4te to think that its output is already up to date.
>
> This begs the question - should we teach autom4te to automatically enable
> --force if the output file exists but has a timestamp of now, within the
> resolution detected for the filesystem?
Hmm. The question is whether that defeats a very common use case of the
caching, namely Makefile-triggered autotools reruns. The next question
is whether we should care, or decree that m4 is now fast enough. ;-)
But I agree that this is a good post-2.63 question.
> > Avoid timestamp races for updated input.
> >
> > * tests/m4sh.at (AS_IF and AS_CASE): Use `autom4te --force' for
> > second script.
> > * tests/tools.at (autotools and whitespace in file names): Add
> > --force for repeated invocations.
>
> Go ahead and commit.
Done, and set limit back to 1000.
Thanks,
Ralf
- Re: interrupt causes parse error in configure script, (continued)
- Re: interrupt causes parse error in configure script, Paul Eggert, 2008/08/18
- Re: interrupt causes parse error in configure script, Jim Meyering, 2008/08/18
- Re: interrupt causes parse error in configure script, Ralf Wildenhues, 2008/08/18
- Re: interrupt causes parse error in configure script, Jim Meyering, 2008/08/18
- Re: interrupt causes parse error in configure script, Ralf Wildenhues, 2008/08/19
- Re: interrupt causes parse error in configure script, Eric Blake, 2008/08/19
- Re: interrupt causes parse error in configure script, Ralf Wildenhues, 2008/08/19
- AS_IF failure, Eric Blake, 2008/08/19
- Re: AS_IF failure, Ralf Wildenhues, 2008/08/20
- Re: AS_IF failure, Eric Blake, 2008/08/20
- Re: AS_IF failure,
Ralf Wildenhues <=
- Re: interrupt causes parse error in configure script, Jim Meyering, 2008/08/19
- Re: interrupt causes parse error in configure script, Eric Blake, 2008/08/18
- Re: interrupt causes parse error in configure script, Ralf Wildenhues, 2008/08/18
- AS_IF stress failure [was: interrupt causes parse error in configure script], Eric Blake, 2008/08/19
- Re: AS_IF stress failure [was: interrupt causes parse error in configure script], Ralf Wildenhues, 2008/08/19
Re: interrupt causes parse error in configure script, Eric Blake, 2008/08/18