>    
>    That's probably sensible for "real" changes.  But having unnecessary diffs 
>    in our local tree just makes importing the next version harder, since it's 
>    one more file that potentially has to be handled carefully -- what if the 
>    binutils maintainers adopt a different solution?
> 
> 
> these changes fix real build problems - because we use -Werror.

I have to ask why?  It's fine to enforce -Werror on internal packages, but 
not on imported ones.

R.