[MacPorts] #63676: gtk2 @2.24.33_0+quartz: build error on macOS 10.11: use of undeclared identifier 'kCAContentsFormatRGBA8Uint'

[MacPorts]

#63676: gtk2 @2.24.33_0+quartz: build error on macOS 10.11: use of undeclared
identifier 'kCAContentsFormatRGBA8Uint'
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  Reporter:  sambthompson  |      Owner:  mascguy
      Type:  defect        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:  fixed         |   Keywords:  elcapitan
      Port:  gtk2          |
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Comment (by sambthompson):

 Replying to [comment:11 mascguy]:
 > Okay, this looks good now. Wait at least two more hours, and then
 proceed via the steps in comment:7.

 Thanks very much for this rapid fix, Chris! Can confirm gtk2 upgrade has
 worked here on 10.11.6.

 I don't have gimp2 installed, would you like me to try installing it?

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Ticket URL: <https://trac.macports.org/ticket/63676#comment:13>
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