[MacPorts] #55382: cmake @3.10.0: Cannot find a C++ compiler supporting C++11 on this system

[MacPorts]

#55382: cmake @3.10.0: Cannot find a C++ compiler supporting C++11 on this system
-------------------------+-------------------------------------------------
  Reporter:  ryandesign  |      Owner:  michaelld
      Type:  defect      |     Status:  new
  Priority:  High        |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  tiger leopard snowleopard lion
      Port:  cmake       |  mountainlion
-------------------------+-------------------------------------------------

Comment (by ryandesign):

 In [changeset:"05b30256b14009357ea9c9b94511bfa00e727571/macports-ports"
 05b30256b14009357ea9c9b94511bfa00e727571/macports-ports]:
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="05b30256b14009357ea9c9b94511bfa00e727571"
 cxx11-1.1.tcl: Use gcc6 on Leopard and earlier

 PowerPC machines were already doing so, but Intel machines need to as
 well because libcxx and related ports enforce the universal variant,
 and the default universal_archs on Leopard and earlier include ppc.

 See https://trac.macports.org/ticket/55382
 See https://trac.macports.org/ticket/55442
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55382#comment:56>
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