[MacPorts] #54987: py36-graph-tool @2.23 +clang50 +openmp: build failure

[MacPorts]

#54987: py36-graph-tool @2.23 +clang50 +openmp: build failure
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  Reporter:  bakergilx      |      Owner:  count0
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.4.1
Resolution:                 |   Keywords:
      Port:  py-graph-tool  |
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Comment (by nablamalnabla):

 Same problem here (also since ~two weeks) still on MacOS 10.12. If
 helpful, I can also provide the main.log, but it shows similar outcome to
 the one posted by bakergilx.

 It happened here both with macports base version 2.4.1 and now 2.4.2, and
 both Xcode 9.0 and now 9.0.1.
 Last attempt today was upgrading to py27-graph-tool version 2.25.

 The last working version here (still active) shows
 py27-graph-tool @2.22_0+clang39+openmp (active).

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Ticket URL: <https://trac.macports.org/ticket/54987#comment:2>
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