[MacPorts] #44418: p5-sgmlspm: fix installation

[MacPorts]

#44418: p5-sgmlspm: fix installation
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  Reporter:  mojca@…     |      Owner:  tlockhart1976@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  p5-sgmlspm  |
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Comment (by tlockhart1976@…):

 Replying to [comment:12 tlockhart1976@…]:
 > Replying to [comment:11 mojca@…]:
 > > Uninstall perl5.18 and try to install p5.18-sgmlspm again. The problem
 only occurs if perl wasn't installed beforehand. (Because `perl5.lib`
 isn't defined.)
 > Unfortunately, I am not seeing that failure after explicitly
 uninstalling perl5.18. If I then install p5.16-sgmlspm then perl5.16 gets
 installed and there are no errors. Is there something left over from the
 original installation of perl5.16 which allows this to now succeed??
 btw, I meant "5.18" above, rather than "5.16". But I think I saw
 installation failures in both over that "missing" .pm file, but now see
 failures in neither. Annoying.

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Ticket URL: <https://trac.macports.org/ticket/44418#comment:15>
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