[MacPorts] #66723: pcre2 @10.42: no such instruction: `lzcnt %eax, %eax'

[MacPorts]

#66723: pcre2 @10.42: no such instruction: `lzcnt %eax, %eax'
---------------------+---------------------
  Reporter:  kencu   |      Owner:  larryv
      Type:  defect  |     Status:  closed
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:  fixed   |   Keywords:  leopard
      Port:  pcre2   |
---------------------+---------------------

Comment (by mascguy):

 There's one major downside to this on 10.5: It's now built with a much
 newer Clang by default - pulling in `gcc10-bootstrap`, etc, all built from
 source - which is completely unnecessary.

 However, based on testing a few days ago, it builds just fine with
 `macports-clang-3.4`.

 Bear in mind that `git` now depends on this port, so it could be
 considered a bootstrap-ish component. (Maybe not formally, but certainly
 necessary for us Devs.)

 But I don't know what the best approach is. Should we whitelist `macports-
 clang-3.4` for 10.5 and prior only? Or...?

-- 
Ticket URL: <https://trac.macports.org/ticket/66723#comment:4>
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