[MacPorts] #57576: llvm 8+ usability (was: llvm 8+ usuability)

[MacPorts]

#57576: llvm 8+ usability
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  Reporter:  RJVB         |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  llvm-devel   |
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Comment (by RJVB):

 I think it implies that you need to revbump all dependents each time
 port:libcxx is updated on systems where it replaces the system C++
 runtime.

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Ticket URL: <https://trac.macports.org/ticket/57576#comment:3>
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