[MacPorts] #58142: cmake @3.12.3_0+universal configure failure with Xcode 10 on 10.13

[MacPorts]

#58142: cmake @3.12.3_0+universal configure failure with Xcode 10 on 10.13
------------------------+-----------------------
  Reporter:  nikgervae  |      Owner:  michaelld
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.4
Resolution:             |   Keywords:
      Port:  cmake      |
------------------------+-----------------------

Comment (by nikgervae):

 Well, I may have jumped the gun for solving the cmake problem, but I
 uninstalled youtube-dl and confirmed this time, then installed it fresh. I
 now have youtube-dl installed and running properly.

-- 
Ticket URL: <https://trac.macports.org/ticket/58142#comment:5>
MacPorts <https://www.macports.org/>
Ports system for macOS