[MacPorts] #53413: rsgislib 2.1.20140825_1 +python27 build failure

[MacPorts]

#53413: rsgislib 2.1.20140825_1 +python27 build failure
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  Reporter:  ForTozs   |      Owner:  Veence
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.4.0
Resolution:            |   Keywords:
      Port:  rsgislib  |
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Comment (by ForTozs):

 I'm not sure if it's related. But I've been told that the default rsgislib
 branch is compatible with gdal 2.x now. I tried updating the portfile but
 I still get a similar error.

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Ticket URL: <https://trac.macports.org/ticket/53413#comment:2>
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