[MacPorts] #61724: bvi @1.4.0: build fails on macOS 11.0.1 "Big Sur"/Xcode 12.2

[MacPorts]

#61724: bvi @1.4.0: build fails on macOS 11.0.1 "Big Sur"/Xcode 12.2
-------------------------+----------------------
  Reporter:  martinr448  |      Owner:  mtn88
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.4
Resolution:              |   Keywords:  bigsur
      Port:  bvi         |
-------------------------+----------------------
Changes (by jmroot):

 * status:  new => assigned
 * owner:  (none) => mtn88


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Ticket URL: <https://trac.macports.org/ticket/61724#comment:2>
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