I'm not aware of a CPAN module that does what you want, but if you put something like 
=for BASE_METHODS_START

...

=for BASE_METHODS_END

[download]
into the POD of the subclass and then use a script that parses the base class(es), extracts the method POD pieces from them and then plunks them down in the subclass POD with a substitution like 
$data =~ 
  s/=for\sBASE_METHODS_START.*?
    =for\sBASE_METHODS_END
   /=for\sBASE_METHODS_START\n\n$otherpod\n\n=for BASE_METHODS_END/xgs
+;

[download]
then you should be good to go.

This script in the distribution of Perl::Configure uses this trick to add a dynamically generated ascii table into the main POD.

In reply to Re: Compiled POD Documentation by saintmike
in thread Compiled POD Documentation by Herkum

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