[MacPorts] #65635: mkvtoolnix 41.0.0_3 < 41.0.0_4 fails to build (upgrade) on mavericks "fatal error: cannot pass object of non-trivial type"

[MacPorts]

#65635: mkvtoolnix 41.0.0_3 < 41.0.0_4 fails to build (upgrade) on mavericks "fatal
error: cannot pass object of non-trivial type"
-------------------------+--------------------
  Reporter:  tehcog      |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.2
Resolution:              |   Keywords:
      Port:  mkvtoolnix  |
-------------------------+--------------------
Changes (by ryandesign):

 * cc: barracuda156, mascguy (added)


Comment:

 The log says:
 {{{
 In file included from src/input/wav_pcm_demuxer.cpp:1:
 In file included from src/common/common_pch.h:1:
 In file included from src/common/common.h:47:
 In file included from /opt/local/include/fmt/format.h:48:
 /opt/local/include/fmt/core.h:1711:47: fatal error: cannot pass object of
 non-trivial type 'translatable_string_c' through variadic method; call
 will abort at runtime [-Wnon-pod-varargs]
   const auto& arg = arg_mapper<Context>().map(std::forward<T>(val));
                                               ^
 /opt/local/include/fmt/core.h:1753:10: note: in instantiation of function
 template specialization
 'fmt::detail::make_value<fmt::basic_format_context<fmt::appender, char>,
 translatable_string_c &>' requested here
   return make_value<Context>(val);
          ^
 /opt/local/include/fmt/core.h:1875:23: note: in instantiation of function
 template specialization 'fmt::detail::make_arg<true,
 fmt::basic_format_context<fmt::appender, char>,
 fmt::detail::type::custom_type, translatable_string_c &, 0>' requested
 here
         data_{detail::make_arg<
                       ^
 /opt/local/include/fmt/core.h:1894:10: note: in instantiation of function
 template specialization
 'fmt::format_arg_store<fmt::basic_format_context<fmt::appender, char>,
 translatable_string_c>::format_arg_store<translatable_string_c &>'
 requested here
   return {std::forward<Args>(args)...};
          ^
 /opt/local/include/fmt/core.h:3163:28: note: in instantiation of function
 template specialization
 'fmt::make_format_args<fmt::basic_format_context<fmt::appender, char>,
 translatable_string_c &>' requested here
   return vformat(fmt, fmt::make_format_args(args...));
                            ^
 src/input/wav_pcm_demuxer.cpp:42:3: note: in instantiation of function
 template specialization 'fmt::format<translatable_string_c>' requested
 here
   show_packetizer_info(0, m_ptzr);
   ^
 src/merge/generic_reader.h:44:43: note: expanded from macro
 'show_packetizer_info'
   mxinfo_tid(m_ti.m_fname, track_id, fmt::format(Y("Using the output
 module for the format '{0}'.\n"), packetizer->get_format_name()));
                                           ^
 1 error generated.
 }}}

 /opt/local/include/fmt/core.h is provided by the libfmt port and it was
 updated to version 9.0.0 6 days ago and this mkvtoolnix update was
 specifically to add a dependency on libfmt. So I may need some help here
 from those involved with libfmt.

-- 
Ticket URL: <https://trac.macports.org/ticket/65635#comment:1>
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