Re: State of the new config & build system

From: Andreas Bombe (
Date: Fri Jan 04 2002 - 16:40:07 EST

On Fri, Jan 04, 2002 at 01:31:08PM +1100, Keith Owens wrote:
> On Fri, 4 Jan 2002 02:49:38 +0100,
> Andreas Bombe <> wrote:
> >Unionfs as I understand it would be great for editing/patching and
> >building. Build a kernel in the pristine sources, mount a COW layer
> >over it where you patch/edit, build there. In the ideal case the COW
> >layer would only build the changed file(s) and link vmlinux with all the
> >other objects from the pristine build. This wouldn't affect the
> >pristine build itself at all, no make problems there when you remove the
> >COW build&change layer.
> You are talking about removing an entire layer, I am talking about
> removing individual files when you decide the edit failed. Removing
> the entire layer works, as long as all changes are always made to the
> top layer. Removing individual files gets into timestamp problems.

Duh, you are right. That can't be solved cleanly.

Andreas Bombe <>    DSA key 0x04880A44
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