[MacPorts] #52784: allow clang-3.9 support clang compilers to find the omp.h header from libomp package

[MacPorts]

#52784: allow clang-3.9 support clang compilers to find the omp.h header from
libomp package
--------------------------+----------------------
  Reporter:  jwhowarth    |      Owner:  jeremyhu
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  llvm-3.9     |
--------------------------+----------------------
Changes (by mf2k):

 * status:  new => assigned
 * cc: jeremyhu@… (removed)
 * cc: larryv (added)
 * keywords:   => haspatch
 * version:  2.3.4 =>
 * owner:  macports-tickets@… => jeremyhu
 * type:  update => enhancement


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Ticket URL: <https://trac.macports.org/ticket/52784#comment:2>
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