From owner-freebsd-current@FreeBSD.ORG Mon Oct 2 01:43:26 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7272916A412 for ; Mon, 2 Oct 2006 01:43:26 +0000 (UTC) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (gate.funkthat.com [69.17.45.168]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7112943D53 for ; Mon, 2 Oct 2006 01:43:25 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (d52ncw9xrep9bvqj@localhost.funkthat.com [127.0.0.1]) by hydrogen.funkthat.com (8.13.6/8.13.3) with ESMTP id k921hL9l046739; Sun, 1 Oct 2006 18:43:21 -0700 (PDT) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.13.6/8.13.3/Submit) id k921hKNf046738; Sun, 1 Oct 2006 18:43:20 -0700 (PDT) (envelope-from jmg) Date: Sun, 1 Oct 2006 18:43:20 -0700 From: John-Mark Gurney To: "M. Warner Losh" Message-ID: <20061002014320.GA80527@funkthat.com> Mail-Followup-To: "M. Warner Losh" , freebsd-current@freebsd.org References: <20060928231816.GI80527@funkthat.com> <20061001.140824.-1264104565.imp@bsdimp.com> <20061001215643.GZ80527@funkthat.com> <20061001.175257.-1543905361.imp@bsdimp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061001.175257.-1543905361.imp@bsdimp.com> User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 5.4-RELEASE-p6 i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html Cc: freebsd-current@freebsd.org Subject: Re: better way to build libraries.. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: John-Mark Gurney List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2006 01:43:26 -0000 Warner Losh wrote this message on Sun, Oct 01, 2006 at 17:52 -0600: > In message: <20061001215643.GZ80527@funkthat.com> > John-Mark Gurney writes: > : Warner Losh wrote this message on Sun, Oct 01, 2006 at 14:08 -0600: > : > In message: <20060928231816.GI80527@funkthat.com> > : > John-Mark Gurney writes: > : > : Comments? Improvements? > : > > : > Generally, libraries are considered to be a critical part of the > : > system. They often have many different interdependencies. This is > : > why we have buildworld: to account for them. If you make the patches > : > that you describe, then you break the upgrade path for people with > : > older systems. > : > : I don't see how adding the ability to do stand alone builds breaks > : others ability to upgrade their systems through normal means (i.e. > : buildworld)... > > The odd voo-doo that you posted originally would do exactly this > because it included /usr/include in the include paths. No, it did not.. It might of confused you to see /usr/include, but it was preceeded by ${.OBJDIR}... > : > You don't need to do a complete buildworld either to get new > : > libraries. However, teasing out the parts that you do and don't need > : > : Yes you do, if you don't want to break your existing install by doing > : a make includes.... > > Actually, no you don't. It is possible to build through the libraries > stage and then install the libraries. By possible here, I do mean > with a little extra programming of Makefile.inc1 to have the right > packaging of targets. Hence my comments were phrased the way they > were. I've added this Makefile goo in the past for similar targets. And I still need to build the tool chain and/or many other parts of the tree, besides doing a simple make in the library directory... > : > can be a chore. Maybe we should enhance the build system to be able > : > to say 'rebuild just the libraries w/o rebuilding the toolchain'. > : > : IMO, even building just the libraries is a bit much... > > Actually, it isn't that bad. Without building a new toolchain, the > rebuild of the libraries isn't that bad, even on slower hardware. If w/ a small patch we can make it even easier for people w/ slow machines... > : I would like to integrate this into bsd.lib.mk so that if you use > : bsd.lib.mk you automaticly get what my patch proposes, but my make-fu > : is weak... I will admit this will be a bit redundant for buildworld, > : but it could be easily turned off in that case... > > I'd definitely like to review this patch. Your original one gave me a > great deal of concern. I'm the person that you'll break if you do > this wrong, and I've just finished spending an extended period of time > tweaking things related to cross building (both cross release and > cross platform). > > If it can be done safely (how you'll do this w/o doing a make > includes, I'm not sure) and it doesn't break anything else, I'd be all I do make includes into the obj dir and use that.. (obviously you need to review is much more closely)... > for it. However, if it breaky anything that works now, I'll be less > supportive. > > On a related note, why not just use the binary upgrade service that > Colin Percival runs if you don't want to do a source build? /me isn't sure he can do a piecemeal upgrade of his system w/ it. Though I will say it did make me think of using it... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."