[MacPorts] #67808: graph-tool 2.46 build fails on Apple Silicon

[MacPorts]

#67808: graph-tool 2.46 build fails on Apple Silicon
----------------------------+--------------------
  Reporter:  essandess      |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:  arm64
      Port:  py-graph-tool  |
----------------------------+--------------------

Comment (by jmroot):

 The newer compilers should still support older C++ standards, so it's
 probably worth trying `-std=c++14` or whatever before you go blacklisting
 current compilers.

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Ticket URL: <https://trac.macports.org/ticket/67808#comment:5>
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