Subject: Re: CVS commit: src/sys/arch/x86/x86
To: Perry E. Metzger <>
From: Pavel Cahyna <>
List: tech-misc
Date: 12/12/2007 23:42:14
On Wed, Dec 12, 2007 at 06:30:27PM -0500, Perry E. Metzger wrote:
> Pavel Cahyna <> writes:
> >> I've noticed that Luke is churning a bunch of the kernel with
> >> __KERNEL_RCSID changes, which are apparently not causing enough
> >> trouble to make any of the branch owners complain.
> >
> > The difference, AIUI, is that the rcsids are actually useful for
> > something.
> Being able to other compilers on the tree is also useful for
> something. We've got lots of gccisms around that aren't serving any
> purpose -- the idea is to get rid of them so that any C99 compiler
> will work. __FUNCTION__ is one of several things I was going to get
> rid of. The next step (as requested by Christos) was to get rid of the
> unwrapped use of __attribute__ etc. -- you cut that out of my message,
> I'll note, as well as my mention of *why* this is wanted.

in the section 5.40 of the gcc manual you'll find an example code that
you can put e.g. in cdefs.h for compilers that don't support