[MacPorts] #67209: vim @9.0.1276: builds fail for macOS releases 10.10 and earlier: os_macosx.m

[MacPorts]

#67209: vim @9.0.1276: builds fail for macOS releases 10.10 and earlier:
os_macosx.m
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  Reporter:  0xdd-co      |      Owner:  raimue
      Type:  defect       |     Status:  reopened
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  vim, MacVim  |
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Comment (by i3roly):

 i could build the source manually using the Xcode clang without issues.

 i dunno why clang-mp-11 causes problems. i should note none of this
 happens on 10.7.

 possibly to do with clang-mp-11 using libc++ as opposed to libstdc++ or
 something?

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Ticket URL: <https://trac.macports.org/ticket/67209#comment:24>
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