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Subject:	Re: perl version error
To:	cygwin AT cygwin DOT com
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Cc:	Kime Philip <philkime AT kime DOT org DOT uk>
From:	Ken Brown <kbrown AT cornell DOT edu>
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Date:	Wed, 23 Dec 2015 08:37:01 -0500
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On 12/23/2015 8:23 AM, Achim Gratz wrote:
> Am 23.12.2015 um 11:22 schrieb Achim Gratz:
>> Maybe, although I'd consider it a bug if it's barfing on a minor version
>> update since there is no binary or API incompatibility among minor
>> versions (as long as they're built with the same options of course).
>
> Turns out this is indeed a longstanding bug (and one upstream is likely
> to continue ignoring) that PAR::Packer uses the version string as a
> proxy for ABI compatibility:
>
> https://rt.cpan.org/Public/Bug/Display.html?id=92352
>
> The package is in the hands of Yaakov, so either he's going to provide
> an update shortly or you downgrade Perl to 5.22.0 for the moment.  If a
> new package is made available, I wouldn't mind if the version check was
> patched to check the last component for greater-or-equal instead of
> equal.  Testing for equality makes no sense unless we'd bundle
> PAR::Packer with the perl package in Cygwin.

I solved the problem for now by rebuilding perl-PAR-Packer.

In your previous message you said:

> In the context of Cygwin I'm not sure what benefits if any packing
> would have. Keeping the distribution unpacked seems far more manageable.

Packing is strictly for upstream TeX Live, i.e., for people who want to 
install TeX Live (and biber) directly from the TeX Live repo.  This is 
the way they do it on all platforms.  For the Cygwin distro, I'll 
continue to provide biber unpacked.

Ken


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