> > -Wextra enables this warning, as documented. Not 100% sure it
> > was there in 3.3. If not you might want a more recent compiler.
>
> Doesn't work with 3.3, unrecognized option `-Wextra'
> But with 4.0.1 it does:
>
> test.c:2: warning: empty body in an if-statement
>
> Thanks!
> Simon
Older versions of gcc called this option simply `-W'. Try that
instead if you can't use a 4.x gcc. I'm able to produce a warning
about this problem with 3.4.6, for example.
--Kaveh
--
Kaveh R. Ghazi [EMAIL PROTECTED]