[MacPorts] #41839: gcr: build fails when using gtk3 +quartz due to X11 specific UI code

[MacPorts]

#41839: gcr: build fails when using gtk3 +quartz due to X11 specific UI code
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  Reporter:  khepler  |      Owner:  dbevans
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.2.1
Resolution:           |   Keywords:
      Port:  gcr      |
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Comment (by kencu):

 `gcr` has a new option `--without-gtk` as of this
 [https://git.gnome.org//browse/gcr/commit/?id=41d96e69e8b56aa88e36e8bd176c51c5aa93caf9
 commit] . That builds the guts of `gcr` without the user interface part
 that required +x11.

 I have been able to successfully build `gcr` using the `--without-gtk`
 option when `gtk3 @3.22.29_0+quartz (active)` is installed.

 I think this may solve this issue for practical purposes. Of course it
 would be nice to get the `gcr` user interface to build +quartz as well
 someday, but that is above my pay grade.

 This allows `pan2` to build when `gtk3 +quartz` is installed.

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Ticket URL: <https://trac.macports.org/ticket/41839#comment:14>
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