[omniORB] omniidl c++ mapping

[Eric Dumas]

According to David Riddoch:
> Does anyone know whether this is needed for other versions of gcc on
> Solaris?
> 
> Or is it needed for gcc on other platforms?


	If I remember, you begin to need this type of option (aka,
specify a return at the end of a function which returns a value)
starting with egcs 1.1.2. Even if this is not requiered, gcc/egcs will
give you warnings or errors whatever architecture you are running on
it (warning: control reaches end of non-void function foo()).

It would be good to enable NEED_DUMMY_RETURN if gcc/egcs is used.

PS: Valid on Solaris, Linux, HP-UX, and probably Irix.
-- 
                        Éric Dumas (Eric.Dumas@tumbleweed.com)
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