[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
-----------------------+-----------------------
  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 mojca):

 These are the ports that I have installed:
 {{{
   cctools @895_6+xcode (active)
   ld64 @3_1+ld64_xcode (active)
   py27-numpy @1.15.0_0+gfortran (active)
   py36-numpy @1.15.0_0+gfortran (active)
   py37-numpy @1.15.0_0+openblas (active) # after playing with the idea
 that gfortran might be the cause, but it didn't change anything
   OpenBLAS @0.3.2_0+clang+gcc7+lapack (active)
 }}}

 Apparently either
 {{{
 sudo port install py37-numpy +gcc7
 }}}
 or
 {{{
 sudo port install py37-numpy +gcc8
 }}}
 fixed the problem, but it would be ideal to figure out why exactly before
 blindly changing the default.

-- 
Ticket URL: <https://trac.macports.org/ticket/56954#comment:22>
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