Re: kbuild: fix make -jN with multiple targets with O=...

From: Benjamin LaHaise
Date: Wed Feb 15 2006 - 10:41:45 EST


On Tue, Feb 14, 2006 at 08:12:57PM -0800, Andrew Morton wrote:
> Benjamin LaHaise <bcrl@xxxxxxxxx> wrote:
> >
> > Hello folks,
> >
> > This patch causes a ~95% increase in build time for the kernel. Before:
> > 4m21s after: 8m1.403s. Can we revert this until another approach is found?
> >
>
> Yowch. Is that with a regular old build-in-place, or is it specific to
> out-of-tree builds, or what?

It's just a plain old x86-64 build in place on Fedora. I'm game for
testing any alternatives, but my kbuild-foo is not good enough to
discern what the patch is trying to do and why it makes make unhappy.

-ben
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