[MacPorts] #59135: legacy-support: functions properly only if os.version = deployment target

[MacPorts]

#59135: legacy-support: functions properly only if os.version = deployment target
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  Reporter:  kencu                                 |      Owner:  kencu
      Type:  defect                                |     Status:  assigned
  Priority:  Normal                                |  Milestone:
 Component:  ports                                 |    Version:
Resolution:                                        |   Keywords:
      Port:  legacy-support, legacy-support-devel  |
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Comment (by jmroot):

 Sounds like the legacysupport header definitions should change based on
 MAC_OS_X_VERSION_MAX_ALLOWED instead of MAC_OS_X_VERSION_MIN_REQUIRED.

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Ticket URL: <https://trac.macports.org/ticket/59135#comment:3>
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