[MacPorts] #62706: OpenCOLLADA build failure on macOS 11

[MacPorts]

#62706: OpenCOLLADA build failure on macOS 11
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  Reporter:  gallafent    |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.4
Resolution:               |   Keywords:
      Port:  opencollada  |
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Comment (by jasonliu--):

 The newest version of OpenCOLLADA, version 1.6.68, was
 [https://github.com/KhronosGroup/OpenCOLLADA/releases released on 2018 Nov
 26], and there's no evidence that the Khronos Group has made any efforts
 to update their source code to be compatible with macOS 11. Do you have
 reason to believe that it is supposed to be compatible with macOS 11?

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Ticket URL: <https://trac.macports.org/ticket/62706#comment:1>
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