[MacPorts] #60579: Boost 1.71 fails to build: Failed to build Boost.Build build engine

[MacPorts]

#60579: Boost 1.71 fails to build: Failed to build Boost.Build build engine
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  Reporter:  programmingkidx  |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.6.2
Resolution:                   |   Keywords:  Boost
      Port:  Boost            |
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Comment (by kencu):

 what you got here is yet another example of [ticket:59584], which I would
 fix if I thought it might get committed.

 Perhaps I will go through the effort of writing up the PR...

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Ticket URL: <https://trac.macports.org/ticket/60579#comment:1>
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