[MacPorts] #63512: mozjs60 @60.8.0: build fails on Tiger i386 fatal error: mach/exc.h: No such file or directory

[MacPorts]

#63512: mozjs60 @60.8.0: build fails on Tiger i386 fatal error: mach/exc.h: No such
file or directory
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  Reporter:  kencu    |      Owner:  dbevans
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  mozjs60  |
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Comment (by kencu):

 I should help you set up a Tiger VM for Intel on your current Intel Mac so
 you can help me make sure your Tiger fixes work there too. It's pretty
 easy, runs under VIrtualBox.

 We have to keep Tiger Intel and Tiger PPC in sync as much as we can, as
 changes in one might not work on the other.

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Ticket URL: <https://trac.macports.org/ticket/63512#comment:2>
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