[MacPorts] #65144: MacPorts base fail to build for x86_64 on 10.6.8

[MacPorts]

#65144: MacPorts base fail to build for x86_64 on 10.6.8
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  Reporter:  barracuda156  |      Owner:  (none)
      Type:  defect        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  base          |    Version:  2.7.2
Resolution:  invalid       |   Keywords:  x86_64, snowleopard
      Port:                |
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Comment (by kencu):

 putting in m64 manually wrecks the arch flags for gcc. So it forces arch
 i386 to build as 64 bit, causing lipo to fail.

 so you can’t do that.

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Ticket URL: <https://trac.macports.org/ticket/65144#comment:5>
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