[MacPorts] #67792: re2c @3.1: requires C++11 (was: re2c @3.1 is now badly broken on older systems)

[MacPorts]

#67792: re2c @3.1: requires C++11
---------------------------+------------------------
  Reporter:  barracuda156  |      Owner:  ryandesign
      Type:  defect        |     Status:  accepted
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.1
Resolution:                |   Keywords:
      Port:  re2c          |
---------------------------+------------------------
Changes (by ryandesign):

 * status:  assigned => accepted
 * keywords:  powerpc, leopard, snowleopard =>


Comment:

 Replying to [ticket:67792 barracuda156]:
 > {{{
 > ../src/msg/ver_to_vernum.re:29: error: ‘constexpr’ does not name a type
 > }}}

 [https://re2c.org/releases/release_notes.html#release-3-1 re2c has moved
 to C++11 with version 3.1]. `constexpr` is a C++11 thing. The port needs
 `compiler.cxx_standard 2011` added.

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Ticket URL: <https://trac.macports.org/ticket/67792#comment:1>
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