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Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug)
From: |
Ralf Wildenhues |
Subject: |
Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug) |
Date: |
Sat, 22 Aug 2009 09:44:18 +0200 |
User-agent: |
Mutt/1.5.20 (2009-08-09) |
Hello,
* Eric Blake wrote on Fri, Aug 21, 2009 at 01:51:29AM CEST:
> Or does it require a more complex function body, to show the difference
> where the subshell avoids the crash? At any rate, we'll need to
> characterize exactly what your shell's bug is.
Yes. Rugxulo or Reuben, can you please post a link to the package
that's failing? Thanks.
> However, the whole point of using 'return $ac_retval' without a subshell
> is to avoid forking, and catering to bash 2.04 brokenness (if it is indeed
> a bash bug fixed for 2.05a, as I suspect) is a step backwards.
We could use as_fn_set_status everywhere, and only define that to
use a subshell if we detect 2.05a. That shouldn't penalize users of
non-broken shells so much. (Of course, this is pretty vague given
that we don't know what exactly the bug is.)
Cheers,
Ralf
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Rugxulo, 2009/08/20
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Reuben Thomas, 2009/08/20
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Reuben Thomas, 2009/08/23
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Rugxulo, 2009/08/26
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Paolo Bonzini, 2009/08/26
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Rugxulo, 2009/08/26
- Re: ZILE 2.3.10 (Autoconf 2.64 finds deadly DJGPP Bash bug), Chet Ramey, 2009/08/28