[MacPorts] #56430: libpcl fails to build

[MacPorts]

#56430: libpcl fails to build
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  Reporter:  dershow  |      Owner:  luminans@…
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:  haspatch
      Port:  libpcl   |
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Comment (by ryandesign):

 Replying to [comment:5 ctreleaven]:
 > adds default variant to build with clang-5.0 to enable OpenMP

 I don't like variants that use specific compilers. Wouldn't clang-6.0 also
 allow openmp to work? Why don't you name the variant "openmp", and instead
 of mandating the clang-5.0 compiler, blacklist all compilers earlier than
 that, and then let MacPorts pick the compiler to use. As new versions of
 clang are released and new versions of MacPorts are released that add
 those new versions of clang to the compiler fallback list, this port will
 automatically benefit.

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Ticket URL: <https://trac.macports.org/ticket/56430#comment:8>
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