[MacPorts] #51642: GCC does not honor -march=native

[MacPorts]

#51642: GCC does not honor -march=native
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  Reporter:  noloader@…  |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:
      Port:              |
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Comment (by ryandesign@…):

 Replying to [comment:2 ryandesign@…]:
 > Setting `CXX=/opt/local//bin/x86_64-apple-darwin12-gcc-4.9.3` is
 unusual. Usually, you would set `CXX=/opt/local/bin/g++-mp-4.9`. Have you
 tried that already? Does it change anything?

 I guess they're both hardlinks to the same file so it shouldn't make any
 difference. Still, /opt/local/bin/g++-mp-4.9 is the recommended form,
 since it does not vary by processor, OS version, or minor gcc version
 number.

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Ticket URL: <https://trac.macports.org/ticket/51642#comment:3>
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