[MacPorts] #66680: ghc: fails to build because of error in sphinx/ext/extlinks

[MacPorts]

#66680: ghc: fails to build because of error in sphinx/ext/extlinks
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  Reporter:  jowens  |      Owner:  essandess
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  ghc     |
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Comment (by jmroot):

 The upstream issue says the problem is incorrectly formatted extlinks in
 `conf.py`.

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Ticket URL: <https://trac.macports.org/ticket/66680#comment:4>
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