[MacPorts] #54107: cppunit: requires C++11

[MacPorts]

#54107: cppunit: requires C++11
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 Reporter:  mojca   |      Owner:
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  cppunit
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 The `cppunit` port now requires C++11 which is a problems on < 10.9. The
 port should at least include the appropriate PortGroup (maybe even
 `cxx-1.1` works?) or perhaps switch to an older version for older OSes. I
 don't know what the port does / how it works, so it's hard to say.

 See also #54078.

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Ticket URL: <https://trac.macports.org/ticket/54107>
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