[MacPorts] #56943: OpenBLAS @0.3.1_0+clang+gcc7+lapack Failed to Build

[MacPorts]

#56943: OpenBLAS @0.3.1_0+clang+gcc7+lapack Failed to Build
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  Reporter:  nhchan     |      Owner:  NicosPavlov
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.3
Resolution:  duplicate  |   Keywords:
      Port:  OpenBLAS   |
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Comment (by mf2k):

 Replying to [comment:5 michaelld]:
 > @mf2k : OK thanks for clarifying. I thought that bumping the epoch is
 one way to "reset" a port & its variants to whatever is the new default.
 Do we not have a way to do this inside a Portfile?

 Not directly. AFAIK, the epoch is just part of the outdated formula and
 the only way to "upgrade" to new version with an alphanumerically lower
 version number.

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Ticket URL: <https://trac.macports.org/ticket/56943#comment:7>
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