[MacPorts] #42385: libcxx/libcxxabi: OS update can render system unusable

[MacPorts]

#42385: libcxx/libcxxabi: OS update can render system unusable
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  Reporter:  cal@…             |      Owner:  jeremyhu@…
      Type:  defect            |     Status:  new
  Priority:  High              |  Milestone:
 Component:  ports             |    Version:  2.2.1
Resolution:                    |   Keywords:
      Port:  libcxx libcxxabi  |
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Comment (by dluke@…):

 Replying to [comment:2 jeremyhu@…]:
 > So base just removes any file without actually matching that it was the
 one installed by it?

 Yes, that's also part of the reason why configuration files need to be
 handled specially by ports (so that upgrade doesn't uninstall a user-
 modified configuration).

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Ticket URL: <https://trac.macports.org/ticket/42385#comment:3>
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