[MacPorts] #59303: scons: switch to python3x

[MacPorts]

#59303: scons: switch to python3x
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  Reporter:  llamafilm    |      Owner:  ryandesign
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.1
Resolution:               |   Keywords:
      Port:  scons        |
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Comment (by ryandesign):

 Replying to [comment:3 mf2k]:
 > Can this please be revisited? According to the current README, Scons 3
 requires python >= 3.5. So switching should not be a problem. Please
 consider using python 3.8.

 "scons [3.1.2] requires either Python 2.7 or Python 3.5 or higher"
 ([https://scons.org/doc/3.1.2/HTML/scons-man.html manpage])

 Replying to [comment:4 mf2k]:
 > For reference, Scons in homebrew uses python 3.8.

 I guess they've done the necessary work of patching all their packages
 that use scons to be compatible with python 3. I don't think we have yet.
 Some work has been done in https://github.com/macports/macports-
 ports/pull/6104 but I don't think it was completed.

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Ticket URL: <https://trac.macports.org/ticket/59303#comment:5>
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