[MacPorts] #65354: iTerm2 @3.4.15_3: SafeAreaInsets are still breaking builds on older systems

[MacPorts]

#65354: iTerm2 @3.4.15_3: SafeAreaInsets are still breaking builds on older systems
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  Reporter:  Gandoon  |      Owner:  markemer
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.7.2
Resolution:           |   Keywords:
      Port:  iTerm2   |
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Changes (by Gandoon):

 * Attachment "patch-safeAreaInsets-fixv2.diff" added.

 Source code patch – Removes uses of safeAreaInsets on systems older than
 MacOS 11, variant using the availability macros as suggested

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Ticket URL: <https://trac.macports.org/ticket/65354>
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