[CentOS] perl updates always break perl programs, how to fix?

Christoph Maser cmr at financial.com
Thu Jan 21 08:21:53 UTC 2010


Am Mittwoch, den 20.01.2010, 21:46 +0100 schrieb James Chase:
> I realize this is my fault because once upon a time I installed a
> package using CPAN and probably other admins on the system have as
> well but now whenever I update perl I have to jump through hoops to
> get perl applications to work again (usually updating Scalar::Util and
> another package with CPAN). I would love to figure out how to fix this
> so it's not such a headache to keep up to date with perl, but I can't
> figure out how.
>
> I tried moving my /usr/lib/perl5/site_perl directory out of the way
> and installing perl-Scar-Util using yum but it doesn't let me because
> the perl-5.8.8 rpm owns the man file for that. I'm not sure why the
> default Scalar-Util (isn't it built in to the base install of perl on
> CentOS) doesn't work in the first place?
>
> Also I do add perl packages via the dag/rpmforge repo, not sure if
> that messes up the perl updates too. Sorry I realize this could also
> be classified as a perl question -- but I'm hopeful other centos
> admins found a way to get their centos back into compliance with the
> yum updates.
>
> Thanks,
> James
>
> --
> "Beware of all enterprises that require new clothes."
>  --  Henry David Thoreau


I would suggest setting INSTALLDIRS="site" (or --installdirs for
Module::Build) and INSTALLSITEARCH, INSTALLSITELIB, INSTALLSITEBIN etc
if needed. Also using INSTALL_BASE is a good option to get a
installation in a completely isolated location. Have a look at:
http://search.cpan.org/~mschwern/ExtUtils-MakeMaker-6.56/lib/ExtUtils/MakeMaker.pm

Chris



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