[MacPorts] #50245: Remove modules for perl 5.16, 5.18 (and 5.20?)

[MacPorts]

#50245: Remove modules for perl 5.16, 5.18 (and 5.20?)
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 Reporter:  mojca@…      |      Owner:  macports-tickets@…
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  perl5 p5-graveyard
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 Here's a list of things we have to do (please add the missing items):
   * empty the `p5-graveyard` port; we no longer need replacements for
 5.8-5.14
   * decide whether to keep or remove support for 5.20 (if we wait long
 enough with the ticket, 5.24 will be out anyway, so we may just as well
 remove 5.20 now :); on the other hand that should not mean removing all
 perl5 variants just because there will be a single perl left until
 introduction of 5.24
   * close #48365
   * potentially collect a list of affected ports and warn maintainers
 (maybe try to make sure that we don't add a huge number of CC-ed users
 that will want to unsubscribe straight away while we still discuss what to
 do)
   * handle `subversion-perlbindings`
   * remove 5.16-5.x from `perl5.branches` from ports with variants
   * remove 5.16-5.x from all `p5-foo` modules
   * fill in the `p5-graveyard` port
   * (potential removal of `perl5.x` itself can wait)

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Ticket URL: <https://trac.macports.org/ticket/50245>
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