[MacPorts] #71823: Port installs useless llvm-17 and clang-17 over and over again on macOS High Sierra, version 10.13.6

[MacPorts]

#71823: Port installs useless llvm-17 and clang-17 over and over again on macOS
High Sierra, version 10.13.6
------------------------+---------------------
 Reporter:  ballapete   |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.10.5
 Keywords:  highsierra  |       Port:  llvm-17
------------------------+---------------------
 {{{
 root 606 /\ port echo dependentof:llvm17
 root 607 /\ port echo dependentof:clang17
 root 608 /\ port echo rdependentof:clang17
 root 609 /\ port echo rdependentof:llvm17
 }}}

 They are completely useless, but get installed every time I do upgrade
 some ports. What is this behaviour good for? Keep Python 3.11 installed?

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Ticket URL: <https://trac.macports.org/ticket/71823>
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