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Re: tests: avoid empty AT_DATA contents, for zsh.

From: Eric Blake
Subject: Re: tests: avoid empty AT_DATA contents, for zsh.
Date: Mon, 13 Sep 2010 11:09:04 -0600
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[adding bug-autoconf]

On 09/13/2010 08:18 AM, Eric Blake wrote:
On 09/13/2010 08:16 AM, Eric Blake wrote:
On 09/12/2010 09:30 AM, Ralf Wildenhues wrote:
This fixes the remaining testsuite failures with zsh 4.3.10 on FreeBSD.


produces an empty file with sh, but a file containing a newline with
zsh, even after 'emulate sh'. autoconf.texi patch coming up too, I

Ouch - that's a nasty bug. Have you reported it to the zsh list yet?

Hmm, rather than fixing all _our_ uses of AT_DATA, but still having the
problem for other clients, why not instead fix AT_DATA to special-case
the empty argument to do the right thing for everyone? Don't apply this
patch, and I'll help come up with an alternative.

Oops - I thought your patch was for autoconf when I asked you not to apply the patch. On re-reading this, I see that it is a libtool patch instead. Go ahead and apply the libtool patch, since you can't guarantee (or don't want to limit yourself to) a new enough autoconf. Meanwhile, in parallel, I will be patching autoconf to make AT_DATA explicitly allow empty files in 2.68.

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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