[MacPorts] #66206: clang-11-bootstrap links opportunistically against libxml2

[MacPorts]

#66206: clang-11-bootstrap links opportunistically against libxml2
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  Reporter:  cave-canem          |      Owner:  catap
      Type:  defect              |     Status:  closed
  Priority:  Normal              |  Milestone:
 Component:  ports               |    Version:  2.8.0
Resolution:  worksforme          |   Keywords:  Mavericks
      Port:  clang-11-bootstrap  |
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Comment (by cave-canem):

 Yes, clang-11-bootstrap works great.


 The problem was libxml2, which had to be forced deactivated for a rebuild
 libxml2  when icu changed ( icu @67.1_4 < icu @72.1 )

 All compilers (except clang-11-bootstrap) depend on libxml2 (including
 clang-5.0, which Ken wrote about) and we get ouroboros (οὐροβόρος).

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Ticket URL: <https://trac.macports.org/ticket/66206#comment:18>
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