[MacPorts] #60976: R @4.0.2 fails to configure with Xcode 12, missing includes in bzip2 test program

[MacPorts]

#60976: R @4.0.2 fails to configure with Xcode 12, missing includes in bzip2 test
program
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  Reporter:  raramayo  |      Owner:  i0ntempest
      Type:  defect    |     Status:  reopened
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  R         |
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Comment (by chrstphrchvz):

 This has already been addressed upstream:
 https://github.com/wch/r-source/commit/9ba9c7e8651465721f9ac42a731ae4abb9b1ab7d

 I have opened a PR to add a patch for this: https://github.com/macports
 /macports-ports/pull/8458

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Ticket URL: <https://trac.macports.org/ticket/60976#comment:12>
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