[MacPorts] #69000: libcxx-powerpc: can we get rid of depending on system libstdc++ completely?

[MacPorts]

#69000: libcxx-powerpc: can we get rid of depending on system libstdc++ completely?
-----------------------------+-------------------------------------------
  Reporter:  barracuda156    |      Owner:  catap
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.8.1
Resolution:                  |   Keywords:  leopard, snowleopard, powerpc
      Port:  libcxx-powerpc  |
-----------------------------+-------------------------------------------

Comment (by barracuda156):

 Do we need `cxa_atexit`? Or if not, do we need to pass `fno-use-cxa-
 atexit`?

-- 
Ticket URL: <https://trac.macports.org/ticket/69000#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS