[MacPorts] #66549: qt511-qtimageformats @5.11.3_2: Could not resolve SDK Path for 'macosx10.11' using --show-sdk-path

[MacPorts]

#66549: qt511-qtimageformats @5.11.3_2: Could not resolve SDK Path for
'macosx10.11' using --show-sdk-path
-----------------------------------+---------------------------------
  Reporter:  thetrial              |      Owner:  MarcusCalhoun-Lopez
      Type:  defect                |     Status:  assigned
  Priority:  Normal                |  Milestone:
 Component:  ports                 |    Version:  2.8.0
Resolution:                        |   Keywords:  elcapitan legacy-os
      Port:  qt511-qtimageformats  |
-----------------------------------+---------------------------------

Comment (by kencu):

 this has to do with the way we wrote the tests to see which sdks you have
 installed. They should cover your case.

 please show me the exact contents of the two sdk folders I referenced
 above.

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Ticket URL: <https://trac.macports.org/ticket/66549#comment:10>
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