[MacPorts] #57530: Cannot select llvm-7.0?

[MacPorts]

#57530: Cannot select llvm-7.0?
------------------------+----------------------
 Reporter:  mouse07410  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.5.4
 Keywords:              |       Port:  llvm-7.0
------------------------+----------------------
 MacOS 10.13.6, Xcode-10.1, current Macports. All the installed ports are
 updated/current.

 {{{
 $ port select --list llvm
 Available versions for llvm:
         mp-llvm-5.0
         mp-llvm-6.0 (active)
         mp-llvm-7.0
         none
 $ sudo port select --set llvm mp-llvm-7.0
 Selecting 'mp-llvm-7.0' for 'llvm' failed: could not create new link
 "/opt/local/bin/llvm-mcmarkup": target "/opt/local/bin/llvm-mcmarkup-
 mp-7.0" doesn't exist
 $ port installed llvm-7.0
 The following ports are currently installed:
   llvm-7.0 @7.0.0_0+assertions+polly (active)
 $
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/57530>
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