[MacPorts] #59250: OpenBLAS 0.3.7_0 build failed on Catalina

[MacPorts]

#59250: OpenBLAS 0.3.7_0 build failed on Catalina
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  Reporter:  eldams    |      Owner:  NicosPavlov
      Type:  defect    |     Status:  reopened
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.1
Resolution:            |   Keywords:
      Port:  OpenBLAS  |
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Comment (by MarcusCalhoun-Lopez):

 The error is likely due to the fact that, while the error was fixed in
 Xcode 11.2, the port is not actually using Xcode.\\
 It is using the command line tools, which still has the bug.\\
 A recent [https://github.com/macports/macports-ports/pull/5673 pull
 request] gets around this by using Xcode instead of the command line
 tools.\\
 Once the pull request is merged, the problem should go away again.

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Ticket URL: <https://trac.macports.org/ticket/59250#comment:11>
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