[MacPorts] #67391: fatal error: no template named 'unary_function' in namespace 'std';

[MacPorts]

#67391: fatal error: no template named 'unary_function' in namespace 'std';
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 Reporter:  RivetBenoit  |      Owner:  (none)
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.8.1
 Keywords:               |       Port:  mkvtoolnix
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 mkvtoolnix 76.0 fails to build on Mac X.13 High Sierra. I guess the
 relevant error in the log file is the following :

 :info:build
 /opt/local/libexec/boost/1.76/include/boost/container_hash/hash.hpp:131:33:
 fatal error: no template named 'unary_function' in namespace 'std'; did
 you mean '__unary_function'?

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Ticket URL: <https://trac.macports.org/ticket/67391>
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