[MacPorts] #66815: Something in Macports 2.8.1 broken a number of R ports

[MacPorts]

#66815: Something in Macports 2.8.1 broken a number of R ports
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 Reporter:  barracuda156  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  base          |    Version:  2.8.1
 Keywords:                |       Port:
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 See: https://github.com/macports/macports-
 ports/pull/17555#issuecomment-1413348049

 The same port builds fine in 2.8.0, but fails after I updated Macports to
 2.8.1. This also explains multiple failures on CI in that PR, which were a
 total surprise for me, since everything built fine locally **and also
 built fine on CI earlier** (in initial, huge version of the PR which I
 downscaled, removing 2/3 of ports).

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Ticket URL: <https://trac.macports.org/ticket/66815>
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