[MacPorts] #66180: m4: cannot compile for x86_64 on arm64 (was: m4 Fail to configure m4 macOS 13 Ventura)

[MacPorts]

#66180: m4: cannot compile for x86_64 on arm64
--------------------------+--------------------
  Reporter:  astroboylrx  |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.8.0
Resolution:               |   Keywords:  arm64
      Port:  m4           |
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Changes (by ryandesign):

 * keywords:  ventura => arm64


Comment:

 To be more precise, any program you sub-launch from a program will prefer
 to use the same architecture even if a "better" architecture is available.
 So an x86_64 terminal program, when launching the shell, will prefer to
 launch the x86_64 slice of the shell even if an arm64 slice is available.
 And the x86_64 shell will prefer to launch the x86_64 slice of port-tclsh,
 the version of tclsh that MacPorts runs under. And MacPorts decides how to
 build things based on the architecture it was started as.

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Ticket URL: <https://trac.macports.org/ticket/66180#comment:7>
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