[MacPorts] #46364: Defect: "Error: netpbm [10.69] cannot be built while another version of netpbm is active. " on PPC Leopard, Mac OS X 10.5.8

[MacPorts]

#46364: Defect: "Error: netpbm [10.69] cannot be built while another version of
netpbm is active. " on PPC Leopard, Mac OS X 10.5.8
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  Reporter:  Peter_Dyballa@…  |      Owner:  ryandesign@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.3.3
Resolution:                   |   Keywords:
      Port:  netpbm           |
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Comment (by rharwood@…):

 Also occurs on 10.9.5, so I think this probably occurs in all cases.

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Ticket URL: <https://trac.macports.org/ticket/46364#comment:2>
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