On Aug 21, 2006, at 7:51 AM, Perry E. Metzger wrote:

> I'm not sure this is 100% correct. I think it would be better to do an
> #ifdef so that __builtin_offsetof() is used only if __GNUC__, and
> otherwise use the old one. Otherwise we can break compilation with
> other compilers. (It might be reasonable to make that contingent on
> gcc4...)

Yes, you also need to provide the old version for lint(1).

If __builtin_offsetof() is provided by GCC3, no harm in allowing it  
for that compiler.

-- thorpej