[MacPorts] #48528: pdftk: build hangs when running gjc

[MacPorts]

#48528: pdftk: build hangs when running gjc
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  Reporter:  matteo@…  |      Owner:  ryandesign
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.3
Resolution:            |   Keywords:  elcapitan sierra
      Port:  pdftk     |
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Comment (by nortcele):

 Here is ```gcc5.5.0.patch``` a patch to use gcc5.5.0 modification proposed
 at ticket #49227.

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Ticket URL: <https://trac.macports.org/ticket/48528#comment:66>
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