[MacPorts] #57912: OpenBLAS compilation fails on iMac Pro MacOS 10.13

[MacPorts]

#57912: OpenBLAS compilation fails on iMac Pro MacOS 10.13
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  Reporter:  EJFielding  |      Owner:  NicosPavlov
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.5.4
Resolution:              |   Keywords:
      Port:  OpenBLAS    |
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Comment (by smeingast):

 Replying to [comment:9 NicosPavlov]:
 > As mentioned by Michael, the *-devel port might be worth trying, as
 there have been some commits these past few days in OpenBLAS addressing
 issues in configuring the code to compile AVX512 instructions.
 >
 > If that does not work, I attached a patch that would provide a quick
 fix, by disabling the -march flag when calling the gfortran compiler.
 There is already a patch with this name that addresses a similar issue, so
 it should be sufficient to just replace the old patch with the new one of
 the same name.
 >
 > I do not have the possibility of checking that issue, so I would be
 grateful if someone could confirm the fix.

 I just tried the *-devel port and it unfortunately did not work. I
 currently do not have time to try your patch on a local repository, but
 will do so at a later time. Thanks for your effort!

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Ticket URL: <https://trac.macports.org/ticket/57912#comment:12>
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