Re: WANTED: kernel projects for CS students

From: Xavier Bestel
Date: Mon Oct 15 2007 - 12:54:23 EST


On Mon, 2007-10-15 at 18:36 +0200, Philippe Elie wrote:
> > > Increase speed for a build with no updates
> > > ==========================================
> > > On a resonably fast machine with a decent config it takes
> > > roughly 10 seconds to do a make where nothing is updated.
> > > Generating one single Makefile is assumed to speed up things
> > > and will in addition allow a simpler syntax as what is used today
> > > for some of the uglier constructs.
> > >
> > > Contact: Sam Ravnborg <sam@xxxxxxxxxxxx>
> > > Difficulty: 5
> > > Language: Perl or C
> >
> > Isn't make -j 2 or more implemented by running multiple make in sub-dirs ?
> > Parallel make is more and more used even on cheap hardware.
>
> Errm, I misread what you said, it can be a single Makefile in each sub-dirs

make -j works fine with an unique Makefile, if that's the question.

Xav


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