[MacPorts] #71968: wabt fails to configure: needs C++17 and Python 3.x

[MacPorts]

#71968: wabt fails to configure: needs C++17 and Python 3.x
---------------------------+------------------------
  Reporter:  barracuda156  |      Owner:  easieste@…
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.10.5
Resolution:                |   Keywords:
      Port:  wabt          |
---------------------------+------------------------

Comment (by barracuda156):

 Replying to [comment:4 easye]:
 > Replying to [comment:2 barracuda156]:
 > > Also the bug here:
 > > {{{
 > […]
 > >    30 |   static_assert(sizeof(float) == sizeof(uint32_t),
 "incompatible float type");
 > >       |   ^~~~~~~~~~~~~
 > > make[2]: *** [CMakeFiles/wasm-c-api-
 callback.dir/third_party/wasm-c-api/example/callback.c.o] Error 1
 > […]
 > > }}}
 > >
 > > Perhaps `legacysupport` would be an easier fix, otherwise patch the
 source.
 >
 > How do I reproduce this error?
 >
 > The port compiles for me locally, as well as the three runners on the
 GitHub hook.

 GCC is more picky with this (and/or possibly `libstdc++`, but the problem
 is pretty common. Which is why `legacysupport` has incorporated the fix.

 To answer the question: I am pretty sure that a build with some recent gcc
 version on 10.6 (any arch) will do. Perhaps later systems too, but I have
 no way to check that.

 Buildbots are irrelevant for gcc-related compiler or runtime issues, since
 they all use only libc++ with some clang.

 P. S. Simply adding `legacysupport 1.1` fixed this for me. It won't be
 used for the latest systems (there is a maximum threshold), and it can be
 manually adjusted to a specific maximum OS version.

-- 
Ticket URL: <https://trac.macports.org/ticket/71968#comment:6>
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