[MacPorts] #56954: py-numpy: numpy.polyfit broken with +gfortran variant on High Sierra

[MacPorts]

#56954: py-numpy: numpy.polyfit broken with +gfortran variant on High Sierra
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  Reporter:  mojca     |      Owner:  michaelld
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  py-numpy  |
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Comment (by michaelld):

 In my testing, using `+gfortran +openblas` does the trick, so I just
 committed making `+openblas` a default variant. This change will fix new
 default installs, but it won't help folks who already have this port
 installed & are just updating it.

 After reading through the NumPy bug report, I'm wondering if the issue is
 at least partly with Apple's `lapack` since that's what's used if `-atlas
 -openblas` is selected (which was the default). Wondering if this might be
 fixed by using the port `vecLibFort`.

 Anyway: Progress!

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Ticket URL: <https://trac.macports.org/ticket/56954#comment:35>
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