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Re: Fix chdir-long.m4 caching

From: Eric Blake
Subject: Re: Fix chdir-long.m4 caching
Date: Sat, 30 Sep 2006 07:41:17 -0600
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According to Stepan Kasal on 9/29/2006 7:48 AM:
> Why both of them have to be updated?  There are far more consumers
> of Autoconf than of Autotest.  I suggest to remove the limitation
> from AT_CHECK documentation only.  Ultrix is rare these days, and
> people willing to run the generated testsuite there will have to use
> a working shell.
> What about the following patch?

> 2006-09-29  Stepan Kasal  <address@hidden>
>       * doc/autoconf.texi (Writing Remove the
>       limitation that the first parameter of AT_CHECK cannot
>       contain redirection.
>       * tests/ (AT_CHECK_M4): Fix for cases when the past
>       parameter is `stderr' or `experr'.

I like the thought, but we would also need to update the comments in
lib/autotest/general.m4, and perhaps add a warning in the manual that
autotest will not work with Ultrix.  Or maybe it is time to update our
shell selection logic to make sure that the shell supports double
redirection along with all the other features we require, and filter out
any shell that behaves as poorly as Ultrix (but did Ultrix come with any
alternate shell, or would we pounding the last nail in the coffin of that
museum system?).

- --
Life is short - so eat dessert first!

Eric Blake             address@hidden
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