Date: Thu, 20 Feb 2003 10:44:50 +0100 From: phk@phk.freebsd.dk To: Ruslan Ermilov <ru@freebsd.org> Cc: current@freebsd.org, johan@freebsd.org Subject: Re: Optimizing "universe" somewhat Message-ID: <920.1045734290@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 20 Feb 2003 11:12:27 %2B0200." <20030220091227.GA47550@sunbay.com>
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In message <20030220091227.GA47550@sunbay.com>, Ruslan Ermilov writes:
>
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>On Wed, Feb 19, 2003 at 07:40:19AM -0800, Ruslan Ermilov wrote:
>> ru 2003/02/19 07:40:19 PST
>>=20
>> Modified files:
>> . Makefile=20
>> Log:
>> Fixed universe.
>> =20
>> Folded pc98 into the common case.
>> Retired ${JFLAG} (``make -jX universe'' should work).
>> =20
>> Revision Changes Path
>> 1.276 +30 -34 src/Makefile
>>=20
>Would it be too bad (in anyone's opinion) if we optimize this
>a bit to build modules only once for each architecture, with
>buildworld (-DMODULES_WITH_WORLD)? That would speed-up the
>creation of universe somewhat, but has one bad side effect of
>polluting userland build with kernel stuff, but is easiest
>to implement.
I think we should build the modules as specified by the kernels.
Nothing prevents you from adding
makeoptions MODULES_OVERRIDE="acpi linux"
or similar to your kernels.
Universe just takes time, and that's it. Don't try to optimize it
if the result is less coverage.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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