[CentOS] Re: install of Pod::Simple through CPAN

Scott Silva ssilva at sgvwater.com
Mon Sep 22 23:24:43 UTC 2008

on 9-22-2008 3:56 PM Akemi Yagi spake the following:
> On Mon, Sep 22, 2008 at 3:47 PM, Filipe Brandenburger
> <filbranden at gmail.com> wrote:
>> On Mon, Sep 22, 2008 at 18:36, Al Sparks <data345-/E1597aS9LQAvxtiuMwx3w at public.gmane.org> wrote:
>>> I'm trying to install [...whatever...] using CPAN.
>> DON'T!
>>> 3.  Lastly, here's the error I get when I attempt to install
>>>    Pod::Simple through CPAN:
>> That's why you should never use CPAN on a RHEL/CentOS box.
> Famous quote by Jim Perrin:
> "CPAN on rpm based machines is EVIL in so many ways it's not even funny.
> To start, nothing installed via cpan identifies itself to the rpm
> database, so anything you install which depends on a perl (CPAN)
> module will fail because of missing dependencies. If you install
> something via CPAN and upgrade the perl rpm for some reason (a perl
> upgrade is released which translates regex into plain understandable
> english perhaps) it's entirely possible that it will overwrite things
> installed via cpan. This will cause you headaches down the road. In
> addition, if a cpan module gets overly greedy with its dependency
> build, you can end up with a broken or otherwise non-working perl
> install.
> It's much better to use the perl modules in the rpmforge and c.k.o
> repositories, or cpan2rpm, or cpanflute. These will not interfere in
> such a manner."
> ( http://lists.centos.org/pipermail/centos/2007-February/033001.html )
I really wish upstream would break or otherwise disable the CPAN shell and 
access mechanisms and keep this from happening.

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