[MacPorts] #60058: gcc9: configure: error: cannot compute sizeof (long long (was: Cannot install gcc9)

[MacPorts]

#60058: gcc9: configure: error: cannot compute sizeof (long long
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  Reporter:  manulcaux  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:             |   Keywords:
      Port:  gcc9       |
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Ticket URL: <https://trac.macports.org/ticket/60058#comment:2>
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