[MacPorts] #56754: icu on MacPorts quite outdated: current version 63.1

[MacPorts]

#56754: icu on MacPorts quite outdated: current version 63.1
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  Reporter:  kencu   |      Owner:  ryandesign
      Type:  update  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  icu     |
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Comment (by kencu):

 Add to the above that there seems to be no gcc at present that can build
 icu on 10.4 Intel.

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Ticket URL: <https://trac.macports.org/ticket/56754#comment:5>
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