Date: Thu, 15 Aug 2002 20:14:11 +0300 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Larry Rosenman <ler@lerctr.org> Cc: Stephen Hilton <nospam@hiltonbsd.com>, freebsd-stable@FreeBSD.ORG Subject: Re: Need instructions: build kernel on one machine; install on another Message-ID: <20020815171411.GB24189@sunbay.com> In-Reply-To: <1029428173.408.17.camel@lerlaptop.iadfw.net> References: <5.1.0.14.2.20020813084802.037d9498@magpie.zpfe.com> <20020815090600.6db70420.nospam@hiltonbsd.com> <3D5BB7CA.6070205@georgiacenter.org> <1029421325.408.4.camel@lerlaptop.iadfw.net> <20020815093407.67b45a5e.nospam@hiltonbsd.com> <20020815155955.GB13104@sunbay.com> <1029428173.408.17.camel@lerlaptop.iadfw.net>
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--A6N2fC+uXW/VQSAv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 15, 2002 at 11:16:13AM -0500, Larry Rosenman wrote: > On Thu, 2002-08-15 at 10:59, Ruslan Ermilov wrote: > > On Thu, Aug 15, 2002 at 09:34:07AM -0500, Stephen Hilton wrote: > > > On 15 Aug 2002 09:22:05 -0500 > > > Larry Rosenman <ler@lerctr.org> wrote: > > >=20 > > > > On Thu, 2002-08-15 at 09:16, Robin P. Blanchard wrote: > > > > > from an earlier discussion (initiated by me): > > > > >=20 > > > > > "You *MUST* use a HOST SYSTEM compiled for the LOWEST processor y= ou want=20 > > > > > to installworld to. There are a few places (strip for one) that l= ink in=20 > > > > > /usr/lib/libc.a and NOT the one from /usr/obj/... " > > > > >=20 > > > > > Thus you can't use an i686 optimized world host box to install a = lower=20 > > > > > optimized /usr/obj to. > > > >=20 > > > > see also PR i386/30276 from me. > > > >=20 > > >=20 > > > Larry, > > >=20 > > > I agree, with FreeBSD having such an edge in performance on "older" h= ardware=20 > > > (sorry Intel and AMD :-) this is something to pursue. > > >=20 > > > ------------------snip------------------ > > > Fix > > >=20 > > > Update build system to NOT include host libc.a in any tools that will= be=20 > > > executed on the target system. =20 > > > ------------------snip------------------ > > >=20 > > To be honest, I have no brilliant idea how to fix this. One possible > > solution would be to split build- and install- tools, and always build > > install-tools on an installing machine, as part of installworld (this > > should probably be made a special case). The most problematic thing > > here is strip(1) which is part of binutils; that would mean we would > > need to compile binutils twice. I am not saying it's impossible, I > > am saying it is hard. Many things that are used during build are > > also used during install, like for example, GNU texinfo suite: > > makeinfo(1) is used during build, install-info(1) -- during install. > > That also means we need to compile texinfo twice. > could we pre-strip those binaries that are installed somehow?=20 >=20 > Could we modify the binutils build to use the built > /usr/obj/usr/lib/libc as a 2nd pass after they are built?=20 >=20 >=20 > >=20 > > Or we could go a lazy way and document that we only support this > > sort of things if the installed world on a building machine is > > suitable for CPU of the installing machine. All of my machines > > here are P6-type, so I usually build world and all kernels on > > one fast machine and do NFS installs on others. > This pretty much is the current state. :-( >=20 Please see my follow-up to PR i386/30276. Cheers, --=20 Ruslan Ermilov Sysadmin and DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age --A6N2fC+uXW/VQSAv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (FreeBSD) iD8DBQE9W+FjUkv4P6juNwoRAtfDAJ4lVJJPpCA+/HTgusvIZjh5NcND/QCeJKO1 Q2ShqpZZk5061p8vhdpBg1Q= =/fo9 -----END PGP SIGNATURE----- --A6N2fC+uXW/VQSAv-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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