[MacPorts] #65429: p5.34-module-build depends on itself

[MacPorts]

#65429: p5.34-module-build depends on itself
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  Reporter:  ballapete        |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.7.2
Resolution:                   |   Keywords:
      Port:  p5-module-build  |
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Comment (by ryandesign):

 Replying to [ticket:65429 ballapete]:
 > Why is `port` not asking the same when it is working with the sources?

 p5.x-module-build is (after the aforementioned change to the perl5
 portgroup) a build dependency. When you ask MacPorts to build things from
 source, it must install or upgrade build dependencies first. On the other
 hand, when MacPorts can use pre-built binaries, then it does not need the
 build dependencies.

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Ticket URL: <https://trac.macports.org/ticket/65429#comment:2>
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