[MacPorts] #60506: Can't install grass7

[MacPorts]

#60506: Can't install grass7
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  Reporter:  dershow  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  grass7   |
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Comment (by dershow):

 I just tried and it still failed to build.  I had thought that "select"
 wouldn't matter, as the build system should use the correct version of
 things.
 So, I really don't know what is different about this between 10.14 and
 10.15.  I also had it working with 10.14.  I then moved did the full
 migration (so cleared out all the ports) and most of my ports have built
 and installed fine, but grass7 won't.  And gqis3 and saga depend on it, so
 they won't build either.

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Ticket URL: <https://trac.macports.org/ticket/60506#comment:8>
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