[MacPorts] #74199: Changes needed to python-1.0.tcl to properly handle free threading python versions.

[MacPorts]

#74199: Changes needed to python-1.0.tcl to properly handle free threading python
versions.
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  Reporter:  Veence  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  python portgroup
      Port:          |
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Comment (by Veence):

 I have implemented a new python-1.1.tcl port group file, available on the
 python_variants branch if you want to try.

 Mainly:
 • `${python.version]` is always numeric, so that both python315 and
 python315-freethreading correspond to the same `${python.version}` (315).
 Numeric comparisons based on `${python.version}` are still valid.
 • A new `${python.suffix]` is introduced, which can be either "315" or
 "315t". This can be used to set dependencies like
 `py${python.suffix}-someport`.
 • A new `${python.runtime}` variable contains the MP name of the python
 port ("python315" or "python315-freethreading") and can be used to set a
 dependency on the python port itself.

 I've already committed on the branch a few updated py*- Portfiles, so far
 I can build meson correctly with python315-freethreading, for example. I
 think this solution irons out most difficulties, but some may remain
 unaddressed at this early stage.

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Ticket URL: <https://trac.macports.org/ticket/74199#comment:6>
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