[MacPorts] #63003: clang-11: "C compiler cannot create executables"

[MacPorts]

#63003: clang-11: "C compiler cannot create executables"
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  Reporter:  ShadSterling  |      Owner:  kencu
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:
      Port:  clang-11      |
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Comment (by ShadSterling):

 For my original problem of not being able to update R, I tried
 reinstalling `clang-11`, which failed to reinstall (possibly due to
 #63008), and without it installed I was able to install updated R.  Now
 I'll try again to reinstall clang-11.

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Ticket URL: <https://trac.macports.org/ticket/63003#comment:16>
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