[MacPorts] #50512: perl5: obsolete subports perl5.16 perl5.18 perl5.20

[MacPorts]

#50512: perl5: obsolete subports perl5.16 perl5.18 perl5.20
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  Reporter:  devans@…     |      Owner:  mojca@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  perl5        |
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Comment (by devans@…):

 Replying to [comment:5 dluke@…]:
 > We should obsolete all of them (or at least all of them that aren't
 supported upstream). End users who really want old perl can pull the old
 pre-obsolete portfile into a local repo (or could have stepped up to
 maintain the old port).

 Agreed.  We've gone to a lot of work to only support one version of perl.
 At this point, it makes no sense to me to keep perl versions that we,
 ourselves, don't support in applications or with modules.

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Ticket URL: <https://trac.macports.org/ticket/50512#comment:7>
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