[MacPorts] #67430: icu @73.1 can be built on PPC Tiger, Mac OS X 10.4.11, with Python 3.10

[MacPorts]

#67430: icu @73.1 can be built on PPC Tiger, Mac OS X 10.4.11, with Python 3.10
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  Reporter:  ballapete  |      Owner:  (none)
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.8.1
Resolution:             |   Keywords:  tiger ppc
      Port:  icu        |
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Comment (by ryandesign):

 Replying to [comment:4 ballapete]:
 > Is it possible to apply versioning? Default Python version would be 2.7
 but anyone could build it with any Python 3 version outside of a bootstrap
 process? Later on one could get rid of this old Python version…

 The icu port could offer python variants on old systems where the OS
 version of python is insufficient. It could default to python27 and you
 could select something different if you like. But if newer python ports
 have more dependencies, and the dependency chain gets back to icu, then
 you have a circular dependency. MacPorts doesn't handle those. You will
 get an error stating that there is a circular dependency.

 Replying to [comment:5 ballapete]:
 > Easiest would be to serve binary packages. To `build icu` on my
 `PowerBook G4` takes two hours. Would it be such a bad idea to accelerate
 bootstrap a bit?

 Nobody thinks it is a bad idea to offer binary packages for PowerPC, we
 just don't have working hardware to do that right now. See #66288.

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Ticket URL: <https://trac.macports.org/ticket/67430#comment:6>
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