[MacPorts] #55618: Error: Failed to build R: command execution failed

[MacPorts]

#55618: Error: Failed to build R: command execution failed
----------------------+---------------------------
  Reporter:  caverac  |      Owner:  kjell.konis@…
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.4.2
Resolution:           |   Keywords:
      Port:  R        |
----------------------+---------------------------

Comment (by caverac):

 Replying to [comment:2 kjellpk]:
 > This may be a duplicate of #55310. Try upgrading Xcode and the Xcode
 command line tools to Xcode 9.

 You're right! That solved it. I ran `xcode-select --install` first, but
 actually never did update Xcode first. Thanks for your help

--
Ticket URL: <https://trac.macports.org/ticket/55618#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS