[MacPorts] #53072: chromaprint @1.4.0: default build fails on 10.8 and earlier due to inclusion of C++11 header <cstdint>

[MacPorts]

#53072: chromaprint @1.4.0: default build fails on 10.8 and earlier due to
inclusion of C++11 header <cstdint>
--------------------------+----------------------------
  Reporter:  dbevans      |      Owner:  kurthindenburg
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  chromaprint  |
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Comment (by dbevans):

 Replying to [comment:3 kurthindenburg]:
 > Thanks, is the only thing I need to do is add 'PortGroup           cxx11
 1.0' ?  I don't know how to test this w/o committing and looking at the
 buildbot.

 Yes.  Build will still fail where the C++ runtime is libstdc++ but the
 port group provides a better error message with a pointer to the
 instructions for installing LibcxxOnOlderSystems.

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Ticket URL: <https://trac.macports.org/ticket/53072#comment:4>
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