[MacPorts] #62426: libc++: using a newer libc++ to build software on older macos systems

[MacPorts]

#62426: libc++: using a newer libc++ to build software on older macos systems
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  Reporter:  kencu                   |      Owner:  kencu
      Type:  enhancement             |     Status:  assigned
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:
Resolution:                          |   Keywords:
      Port:  libcxx macports-libcxx  |
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Comment (by mascguy):

 Ken, I just tried compiling Mame using this. But encountered the same
 issue from a few months ago, whereby aligned allocation support isn't
 available.

 Per the ticket, it sounded like you may need to patch LLVM to fix this? Or
 is there something else I'm missing?

 https://trac.macports.org/ticket/62049#comment:3

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Ticket URL: <https://trac.macports.org/ticket/62426#comment:35>
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