[MacPorts] #38606: py27-cairo: cairo must be installed with +x11 and without +quartz (was: py27-cairo @1.10.0 Revision 1 won't build +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:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.1.3
Resolution:               |   Keywords:
      Port:  py-cairo     |
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Comment (by ryandesign@…):

 Has duplicate #39297. It's unexpected that py-cairo mandates that "cairo
 must be installed with +x11 and without +quartz". Why does this
 requirement exist? Why must cairo's quartz variant be disabled? The cairo
 port has had no problem installing with both x11 and quartz simultaneously
 for several years now. It seems like py-cairo should be satisfied that
 cairo is installed with x11, and not care whether it is also installed
 with quartz.

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Ticket URL: <https://trac.macports.org/ticket/38606#comment:7>
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