[MacPorts] #54552: LLVM Issue [ Cannot select: intrinsic %llvm.x86.sse.cvtpi2ps ] when installing volk

[MacPorts]

#54552: LLVM Issue [ Cannot select: intrinsic %llvm.x86.sse.cvtpi2ps ] when
installing volk
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  Reporter:  har5ha  |      Owner:  michaelld
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.4.1
Resolution:          |   Keywords:  lion
      Port:  volk    |
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Comment (by michaelld):

 Yeah; hmmm; OK. I'm guessing that the default compiler is too old. Moving
 to the cxx11 1.1 PortGroup should solve the issue, but technically should
 not be required. The Volk CMake script should be smart enough to detect
 intrinsics & compiler features ... but, clearly it's failing here. I think
 I'll just move to using the cxx11 1.1 PortGroup since it's an easy fix &
 deal with non-MP builds when they come up.

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Ticket URL: <https://trac.macports.org/ticket/54552#comment:5>
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