[MacPorts] #58895: gcc9: search path for standard libraries is incomplete/incorrect

[MacPorts]

#58895: gcc9: search path for standard libraries is incomplete/incorrect
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  Reporter:  prbuen  |      Owner:  (none)
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  gcc9    |
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Comment (by kencu):

 that was my first theory--that the buildbot with xcode would build gcc9
 differently than your system without it, perhaps. Let's see if it's only
 you that sees this.

 At least you're on your way w OpenBLAS now.

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Ticket URL: <https://trac.macports.org/ticket/58895#comment:24>
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