[MacPorts] #55195: openconnect-gui @1.3: Project ERROR: Could not resolve SDK --show-sdk-path for 'macosx10.12'

[MacPorts]

#55195: openconnect-gui @1.3: Project ERROR: Could not resolve SDK --show-sdk-path
for 'macosx10.12'
-------------------------+---------------------------------
  Reporter:  rsuray      |      Owner:  MarcusCalhoun-Lopez
      Type:  defect      |     Status:  reopened
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.4.2
Resolution:              |   Keywords:
      Port:  qt5-qtbase  |
-------------------------+---------------------------------
Changes (by rsuray):

 * Attachment "macx.conf.20171030" added.

 original macx.conf

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Ticket URL: <https://trac.macports.org/ticket/55195>
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