[MacPorts] #38606: py27-cairo: cairo must be installed with +x11 and without +quartz

[MacPorts]

#38606: py27-cairo: cairo must be installed with +x11 and without +quartz
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  Reporter:  nDiScReEt@…  |      Owner:  sean@…
      Type:  defect       |     Status:  reopened
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.1.3
Resolution:               |   Keywords:
      Port:  py-cairo     |
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Comment (by ryandesign@…):

 We don't need more logs or troubleshooting; the port simply needs to
 correct its usage of `require_active_variants`.

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Ticket URL: <https://trac.macports.org/ticket/38606#comment:23>
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