[MacPorts] #61545: python38 +universal fails to build on Big Sur (Apple Silicon Mac)

[MacPorts]

#61545: python38 +universal fails to build on Big Sur (Apple Silicon Mac)
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  Reporter:  Gregory-Gelfond  |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.6.4
Resolution:                   |   Keywords:  bigsur arm64
      Port:  python38         |
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Comment (by arthurcnorman):

 It is very reasonable that the arm64+x86_64 +universal is still new and
 fragile. I am happy to try to identify issues and suggest fixes in the
 ones I try - but it would help to understand the protocol for testing and
 installing a modified version of a port without (eg) "port install"
 tending to revert it back to the official version that I wish to change. I
 am certain that those used to macports internals will view this as a dire
 newby question, but while I have a a decent number of years hacking
 autoconf scripts etc I have not looked at how they are driven my macports
 before, and when I have had troiuble with individual ports I have tended
 to fetch source and edit/configure/make as a separate activirt (eg alpine
 JUST need "#include <time.h>" stuck in at the front of half a dozen files
 to be able to build, but I do not know how to merge that in with the port
 system and pass it back as a proposed fix). Thanks and I am really rather
 impressed with how much you do have working and appearing effortless on
 Big Sur aarch64.

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Ticket URL: <https://trac.macports.org/ticket/61545#comment:10>
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