[MacPorts] #55649: tk @8.6.8: error: use of undeclared identifier 'NSOperatingSystemVersion' (was: tk @8.6.8 (x11) fails to build on Mavericks)

[MacPorts]

#55649: tk @8.6.8: error: use of undeclared identifier 'NSOperatingSystemVersion'
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  Reporter:  tehcog      |      Owner:
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.4.2
Resolution:              |   Keywords:  mavericks mountainlion lion
      Port:  tk          |  snowleopard leopard tiger
-------------------------+-------------------------------------------------
Changes (by ryandesign):

 * keywords:  mavericks => mavericks mountainlion lion snowleopard leopard
     tiger


Comment:

 So how did it build successfully on all of our buildbot workers?

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Ticket URL: <https://trac.macports.org/ticket/55649#comment:2>
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