Targets using implicit extern "C"

[David Edelsohn]

>>>>> Joseph S Myers writes:

Joseph> Are there any in this list which should not be,
Joseph> i.e. which should be presumed to have C++-aware headers?  Conversely,
Joseph> are there any in this list whose maintainers can confirm that the
Joseph> headers are not C++-aware and so the current configuration is correct?

	AIX requires the definition.  IBM VAC++ provides its own headers
and wrappers. 

David