[MacPorts] #51514: xorg-libxcb fails to build if python3 is port selected

[MacPorts]

#51514: xorg-libxcb fails to build if python3 is port selected
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  Reporter:  mf2k@…       |      Owner:  jeremyhu@…
      Type:  defect       |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.3.99
Resolution:  wontfix      |   Keywords:
      Port:  xorg-libxcb  |
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Comment (by jens.troeger@…):

 So to handle this problem, I port select python2 as python, upgrade and
 build the port tree, and then switch back to python 3? (Ignoring #51572
 for now...)

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Ticket URL: <https://trac.macports.org/ticket/51514#comment:18>
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