On Fri, 18 Feb 2000 16:37:55 +0900 (JST) 
 itohy@netbsd.org (ITOH Yasufumi) wrote:

 > In order to avoid this sort of mistakes, I propose the following
 > patch to gcc and to add -Wabi-breakage to library/kernel makefiles.
 > We already have -Werror and if we write library/kernel in current KNF,
 > breaking ABI becomes impossible.
 > 
 > This change doesn't affect any strictly conforming programs, and I
 > think it does no harm.

I think this is a good idea, and the GCC people might even buy it back.

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>