[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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Changes (by funasoul):

 * Attachment "libpcl-vtk71.zip" added.

 Portfile and patch file which will fix +clang-5.0 variant and vtk-7.1
 issue.

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