[MacPorts] #68355: R and its dependents: move to gcc13 and clang16/17

[MacPorts]

#68355: R and its dependents: move to gcc13 and clang16/17
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  Reporter:  barracuda156  |      Owner:  i0ntempest
      Type:  enhancement   |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.1
Resolution:                |   Keywords:
      Port:  R             |
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Comment (by barracuda156):

 Replying to [comment:3 ryandesign]:

 BTW how do we technically do this? I mean, CI gonna fail on time out for
 sure.

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Ticket URL: <https://trac.macports.org/ticket/68355#comment:6>
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