[MacPorts] #62027: qt5-qtwebkit fails to build on Big Sur 11.1 with Apple silicon

[MacPorts]

#62027: qt5-qtwebkit fails to build on Big Sur 11.1 with Apple silicon
---------------------------+---------------------------------
  Reporter:  dfleck        |      Owner:  MarcusCalhoun-Lopez
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:  bigsur arm64
      Port:  qt5-qtwebkit  |
---------------------------+---------------------------------

Comment (by chrstphrchvz):

 I am aware the approach used for qt5-qtwebkit was already committed. What
 I meant by commenting here is that the this ticket’s affected ports should
 have included other qtwebkit ports (to avoid separate technically-
 duplicate tickets being opened for other ports with the same issue), and
 to consider using the upstream approach in qt5-qtwebkit instead of the one
 it currently uses (to keep fixes consistent between ports affected by an
 issue).

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Ticket URL: <https://trac.macports.org/ticket/62027#comment:53>
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