perl version failures

Shlomi Fish shlomif at
Thu Jul 2 14:08:18 UTC 2015

Hi Jude!

See below for my reply.

On Thu, 2 Jul 2015 06:30:28 -0400 (EDT)
Jude DaShiell <jdashiel at> wrote:

> For other distributions of Linux if they haven't yet upgraded to the 
> version of perl archlinux is now distributing, you will do well to avoid 
> it like the plague.  In all of the years I've used Linux, I never thought 
> such a day as this would happen with perl.  Look for yourselves though. 
> That system is so embedded in so many parts of Linux I can't very well 
> remove and do a reinstall and even if I could, I can't guarrantee the 
> current problems would disappear or get worse.

There's nothing particularly wrong with perl-5.22.0 - it is well tested, of
good quality, and works well for most people. Note however that like
previous versions, it implies a breakage of the internal XS API, which requires
Perl/XS packages to be rebuilt. Looking at your problems:

[Astrlog output snipped]
> [jude at athame1 ~]$ perldoc perl
> /usr/bin/perl: symbol lookup
> error: /usr/lib/perl5/site_perl/auto/Encode/ undefined symbol:
> Perl_xs_apiversion_bootcheck 

Encode and List::Util are core modules and should have been upgraded with
the perl interpreter. Perhaps you installed other versions of them from CPAN
which should now be deleted.

Please run "perl -V" and let me know which directories in the Perl @INC contain
the and List/ files.

> For the not too distant future I'm going to have to return the hard drive 
> to bare metal status then reinstall the operating system.

That still sounds drastic and unnecessary.


	Shlomi Fish

Shlomi Fish
The Case for File Swapping -

“Interesting” has a negative correlation with “successful”.
    — Anno on Freenode’s #perl

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