[MacPorts] #61167: Cmake fails to build on Big Sur

[MacPorts]

#61167: Cmake fails to build on Big Sur
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  Reporter:  TruePath  |      Owner:  michaelld
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.99
Resolution:            |   Keywords:  bigsur
      Port:  cmake     |
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Comment (by michaelld):

 What variants are you using? For me (11.0 + Xcode 12.2 beta), "cmake"
 alone works. I'm having issues getting Qt5 to build, and Qt4-mac isn't
 there yet either because I've blocked building via the Portfile itself for
 the moment while I sort out issues.

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Ticket URL: <https://trac.macports.org/ticket/61167#comment:2>
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