[MacPorts] #66577: py311-numpy uses -march=native on PPC, which breaks the build

[MacPorts]

#66577: py311-numpy uses -march=native on PPC, which breaks the build
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  Reporter:  barracuda156  |      Owner:  michaelld
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.0
Resolution:                |   Keywords:  snowleopard, rosetta, powerpc
      Port:  py311-numpy   |
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Comment (by barracuda156):

 Replying to [comment:1 kencu]:
 > is this on a 10.6 system running rosetta, or on 10.6-for-PPC?

 Rosetta. I do not open tickets specifically for 10.6 PPC (if a failure is
 not also confirmed on 10.5 and/or Rosetta), and whenever I refer to it for
 w/e, that is done explicitly.

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Ticket URL: <https://trac.macports.org/ticket/66577#comment:2>
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