[MacPorts] #71564: libnetpbm @11.08.02: chown: Operation not permitted

[MacPorts]

#71564: libnetpbm @11.08.02: chown: Operation not permitted
--------------------------+------------------------
  Reporter:  AgilentGCMS  |      Owner:  ryandesign
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.10.5
Resolution:               |   Keywords:
      Port:  libnetpbm    |
--------------------------+------------------------

Comment (by ryandesign):

 Ok, but that only delays discovering the reason why MacPorts has the wrong
 `install.group`.

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Ticket URL: <https://trac.macports.org/ticket/71564#comment:10>
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