[MacPorts] #65377: Volk 2.5.1 Broken on <= 10.14, needs std::filesystem

[MacPorts]

#65377: Volk 2.5.1 Broken on <= 10.14, needs std::filesystem
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  Reporter:  michaelld  |      Owner:  michaelld
      Type:  defect     |     Status:  reopened
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  volk       |
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Comment (by michaelld):

 In [changeset:"6cb7f281b76f2379d54b8e27aeef71a4d180d658/macports-ports"
 6cb7f281b76f2379d54b8e27aeef71a4d180d658/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="6cb7f281b76f2379d54b8e27aeef71a4d180d658"
 volk: revert to 2.5.0

 Requires std::filesystem via C++17, but that feature isn't easily
 available on OSX 10.[7-12]

 Ref: https://trac.macports.org/ticket/65377
 Ref: https://github.com/macports/macports-ports/pull/15205
 }}}

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Ticket URL: <https://trac.macports.org/ticket/65377#comment:10>
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