Apt-get :: apt-get confused about Perl

I'm rather new to DSL, working on building a kiosk that will use Perl and Python scripts. Python I can install using apt-get with no problems, but the apt database seems very confused about Perl:

> sudo apt-get install perl-base
. . .
perl-base is already the newest version.

> sudo apt-get install perl
. . .
The following packages have unmet dependencies:
perl: Depends: perl-base (= 5.6.1-8.9) but 5.8.0-18 is to be installed
E: Broken packages

> sudo apt-get install perl-modules
. . .
The following packages have unmet dependencies:
perl-modules: Depends: perl (>= 5.6.1-1) but it is not going to be installed
E: Broken packages

> sudo apt-get install perl-tk
. . .
The following packages have unmet dependencies:
perl-tk: Depends: perlapi-5.6.1
Depends: perl (>= 5.6.1-7) but it is not going to be installed
E: Broken packages

Is there something I should be doing differently?
thanks in advance for any advice!

Perl is already included ... at least the base is. If you require other modules, you can just copy them into the /usr/lib/perl*(?) directory.

Note: several versions of Python are available as an mydsl extension.

Thanks for checking in -- I do need Perl-Tk, in particular, that's why I wanted to add it properly with apt-get (and I also need JPEG import, which is usually a separate module anyway). But, copy them from where, what's the appropriate source when apt's database is out of whack?

I'm having trouble getting mydsl extensions to load, not sure why ... and I need them to be persistent when I boot from stick.

Gtk2 includes a fuller perl, after that you can compile more modules from cpan.org

original here.