[MacPorts] #45268: icu @53.1_1 +universal: icu-config differs and cannot be merged

[MacPorts]

#45268: icu @53.1_1 +universal: icu-config differs and cannot be merged
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  Reporter:  nerdling  |      Owner:  macports-tickets@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.99
Resolution:            |   Keywords:
      Port:  icu       |
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Comment (by kencu):

 It's really rusty old default variants carried along that are no longer
 valid.

 you had cctools +llvm7 installed from years ago, but llvm-7.0 isn't
 supported for the arm64 arch, so you wind up in a bit of a mess trying to
 install it.

 see #46956

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Ticket URL: <https://trac.macports.org/ticket/45268#comment:46>
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