[MacPorts] #61422: stack @2.5.1_0 build fails on Big Sur 11.1 Beta / Xcode 12.3 Beta

[MacPorts]

#61422: stack @2.5.1_0 build fails on Big Sur 11.1 Beta / Xcode 12.3 Beta
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  Reporter:  rswail  |      Owner:  essandess
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  bigsur
      Port:  stack   |
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Comment (by jfb007):

 I'm on macOS 11.1 and have the same problems, compiling pandoc: it get's
 stuck at compiling stack. I tried to install stack from source; to no
 avail. Is there any alternative way to install pandoc on macOS 11.1?
 Thanks

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Ticket URL: <https://trac.macports.org/ticket/61422#comment:19>
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