stuck in loop with restore_ports.tcl migrating to macOS Sierra (10.12.1)

[Ken Cunningham]

>> 
>> If so, the workaround for that was to make a local copy of Availability.h in /opt/local/include and edit it there.
>> 

I'd still reinstall Xcode and the command line tools -- but you don't have a rogue Availability.h sitting  /opt/local/include do you? If so, that's your trouble.

K

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