[MacPorts] #63115: R 4.1.0 does not configure on Big Sur M1

[MacPorts]

#63115: R 4.1.0 does not configure on Big Sur M1
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  Reporter:  diekhans  |      Owner:  kjellpk
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.1
Resolution:            |   Keywords:  arm64, bigsur
      Port:  R         |
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Comment (by diekhans):

 The previous version of the port of R (4.0.5 I think) did compile.

 I looked at configure a bit, but didn't figure it out.  It seems to want
 both gcc and
 clang and was trying to link a clang compile C file against and an FTN .o.

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Ticket URL: <https://trac.macports.org/ticket/63115#comment:3>
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