[MacPorts] #61752: py38-kiwisolver @1.3.1 does not build on PPC Leopard, Mac OS X 10.5.8, because of unrecognized command line option '-stdlib=libc++'

[MacPorts]

#61752: py38-kiwisolver @1.3.1 does not build on PPC Leopard, Mac OS X 10.5.8,
because of unrecognized command line option '-stdlib=libc++'
------------------------------+------------------------
  Reporter:  ballapete        |      Owner:  reneeotten
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.6.4
Resolution:                   |   Keywords:  leopard
      Port:  py38-kiwisolver  |
------------------------------+------------------------
Changes (by reneeotten):

 * cc: kencu (added)


Comment:

 it [https://ports.macports.org/port/py38-kiwisolver/summary appears] that
 {{{py38-kiwisolver}}} builds properly all the way down to 10.6.

 The port requests {{{compiler.cxx_standard   2011}}} so presumably an
 appropriate compiler should be selected. I don't know why {{{gcc-mp-7}}}
 does not understand the {{{-stdlib=libc++}}} flag. Did the previous
 version (v.1.2.0) work correctly? I don't really see relevant changes in
 the latest update, so I am not sure if it's related to this specific port
 or if something has changed in another port or MacPorts base (e.g., the
 compiler selection).

 Finally, I have no access to a 10.5 system, nor the expertise or interest
 really to track this down. Of course if you or someone else (likely Ken
 will have a good idea! I'll CC him on the ticket) wants to try and fix
 this, please do and submit a PR.

-- 
Ticket URL: <https://trac.macports.org/ticket/61752#comment:2>
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