[MacPorts] #69735: mkvtoolnix-legacy is broken on legacy systems

[MacPorts]

#69735: mkvtoolnix-legacy is broken on legacy systems
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  Reporter:              |      Owner:  i0ntempest
  barracuda156           |
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.9.3
Resolution:              |   Keywords:  mountainlion, lion, snowleopard,
      Port:              |  leopard, tiger
  mkvtoolnix-legacy      |
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Comment (by i0ntempest):

 Again I don't think 10.5 was ever supported because it never supported
 qt5. For 10.8-10.6, if the multiprecision library is the only problem then
 falling back one more version to v57 should work, since v58 introduced the
 requirement.

 Is your configure log from 10.8? If it has boost 1.76 it should have
 {{{boost/multiprecision/cpp_int.hpp}}}.

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Ticket URL: <https://trac.macports.org/ticket/69735#comment:2>
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