[MacPorts] #35990: tbb 4.0 doesn't support non-default build_arch (was: tbb 4.0 doesn't support i386 arch)

[MacPorts]

#35990: tbb 4.0 doesn't support non-default build_arch
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  Reporter:  realmightycat@…  |      Owner:  mnick@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.1.2
Resolution:                   |   Keywords:
      Port:  tbb              |
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Comment (by jmr@…):

 It's certainly not passing any archflags to the compiler.

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Ticket URL: <https://trac.macports.org/ticket/35990#comment:3>
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