[MacPorts] #63714: python39 @3.9.7: build failure on Monterey/M1

[MacPorts]

#63714: python39 @3.9.7: build failure on Monterey/M1
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  Reporter:  tglsfdc   |      Owner:  jmroot
      Type:  defect    |     Status:  accepted
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.1
Resolution:            |   Keywords:  monterey
      Port:  python39  |
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Comment (by FaradayLight):

 Replying to [comment:10 jmroot]:
 > Replying to [comment:6 tglsfdc]:
 > > Replying to [comment:5 ryandesign]:
 > > > There is (or was) a macOS bug that prevents macOS from automatically
 updating the command line tools so you have to do so manually.
 > >
 > > Oh, hmm ... what's the process for doing that then?
 >
 > ProblemHotlist#reinstall-clt
 >
 > AFAIK, you don't need a Developer ID to access the CLT package download,
 just an Apple ID. But the alternative method using Software Update doesn't
 require you to log in at all.

 Hi,
 Unfortunately you do need a Developer account; I tried to download the
 tools yesterday but the link bounced me to a contact page. I checked with
 Apple Support and they confirmed that you do need a Developer account to
 get access to the tools.

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Ticket URL: <https://trac.macports.org/ticket/63714#comment:11>
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