[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:  closed
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:
Resolution:  fixed                   |   Keywords:
      Port:  libcxx macports-libcxx  |
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Comment (by kencu):

 For the needs of the newer libc++ versions on older systems, ie the
 support for filesystem and the landing pads for the exceptions in the
 three files that call them, eg:

 https://github.com/llvm/llvm-
 project/blob/e7f133191008b137aa9ef611b676ce2ec3c116a7/libcxx/src/variant.cpp#L13

 IMHO the simplest thing to do is copy those needed objects into
 compiler_rt for that clang version.

 The landing pads are trivial to do -- filesystem might take a few hours to
 sort out.

-- 
Ticket URL: <https://trac.macports.org/ticket/62426#comment:73>
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