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Passing class objects through ... with egcs (g++)

Hi,

  I'm porting an application from AIX/xlC to Linux/g++.

  I'm using egcs-1.0.2 and am having problems compiling some functions
  which allow class objects to be passed as variable # of arguments (...).

  I get the following compile warning:

     warning: cannot pass objects of type `XXX' through `...'

  where XXX is my class type.

  Is this something that is allowed in a newer version of egcs or is there
  some command line option I can specify to allow this to work?

  I realize I can use function overloading to get around this but in my
  case where different objects types may be passed, it would get real ugly.

  I notice it is just a warning. Does the compiler still correctly place
  the entire object on the stack?

  Any help greatly appreciated!

Thanks,
Doug Sprague