[MacPorts] #60916: macOS Catalina cfitsio +universal not installing

[MacPorts]

#60916: macOS Catalina cfitsio +universal not installing
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  Reporter:  rbaer25  |      Owner:  rbaer25
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.3
Resolution:           |   Keywords:
      Port:           |
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Comment (by rbaer25):

 macOS Catalina, Xcode version 11.5
 how do I change the single arch to universal?

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Ticket URL: <https://trac.macports.org/ticket/60916#comment:3>
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