[MacPorts] #65512: libgcc9 not available on Darwin 18 i386

[MacPorts]

#65512: libgcc9 not available on Darwin 18 i386
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  Reporter:  efji     |      Owner:  (none)
      Type:  defect   |     Status:  closed
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:  wontfix  |   Keywords:
      Port:  gcc9     |
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Comment (by efji):

 Thank you for your answers, but it is not satisfying at all. Of course I
 do not use gcc9 myself, but many many ports in the port tree depend on
 libgcc9 and I cannot do anything to "migrate" them. The less you can
 expect from a distribution like macports is to maintain the whole tree in
 a reliable way!

 For example, libgcc9, which is now intentionally broken, breaks OpenBLAS
 @0.3.20_0, and then ALL the packages pyXX-scipy and pyXX-numpy, including
 the very recent py310-{num,sci}py. It is not acceptable !

 Please reopen the ticket and fix the problem.

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Ticket URL: <https://trac.macports.org/ticket/65512#comment:3>
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