[MacPorts] #71126: MacOSX10.13.sdk fails to install on 10.15 Catalina and 10.12 Sierra (and likely other systems)

[MacPorts]

#71126: MacOSX10.13.sdk fails to install on 10.15 Catalina and 10.12 Sierra (and
likely other systems)
------------------------------+-----------------------------
  Reporter:  rmottola         |      Owner:  ryandesign
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:  catalina sierra
      Port:  MacOSX10.13.sdk  |
------------------------------+-----------------------------

Comment (by kencu):

 exact same thing happens on High Sierra, and the same {{{extract.asroot
 yes}}} file works there too.

-- 
Ticket URL: <https://trac.macports.org/ticket/71126#comment:13>
MacPorts <https://www.macports.org/>
Ports system for macOS