From owner-freebsd-current@FreeBSD.ORG Wed Oct 12 01:50:30 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 023FF106566C; Wed, 12 Oct 2011 01:50:30 +0000 (UTC) (envelope-from lacombar@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id 5DB438FC08; Wed, 12 Oct 2011 01:50:28 +0000 (UTC) Received: by wwe3 with SMTP id 3so259327wwe.31 for ; Tue, 11 Oct 2011 18:50:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=EGEBCrx76uhohqoFFGrJW52mbkzWoqtOKveCVZTlcWU=; b=o4irSW469TtDVT1nKvubyfXoh2DpMD3beVyroYMR7TwuudYwLHhqB8myjM653fG4iG lvqbGc1+7+tDqu2XcRxu7g1LlKDv6mWG7UvqeH9VwMFXsFY3+d2+e6VHU+tvFJzijYt4 wEIMtgAVQxC3EdM/QUnRzuSfZVq15FEPpTO6E= MIME-Version: 1.0 Received: by 10.227.29.161 with SMTP id q33mr218836wbc.49.1318384228217; Tue, 11 Oct 2011 18:50:28 -0700 (PDT) Received: by 10.180.103.33 with HTTP; Tue, 11 Oct 2011 18:50:28 -0700 (PDT) In-Reply-To: <4E94E8D2.8010502@freebsd.org> References: <4E942FF1.9000805@FreeBSD.org> <4E9449F2.2000801@FreeBSD.org> <4E944BA5.4080506@lerctr.org> <83FC19FA-BD52-4383-9ABE-708161597B85@mac.com> <589d032a-7b71-4ff1-8adf-f5e49e87696c@email.android.com> <4E949C26.4070105@freebsd.org> <4E94E8D2.8010502@freebsd.org> Date: Tue, 11 Oct 2011 21:50:28 -0400 Message-ID: From: Arnaud Lacombe To: Julian Elischer Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: FreeBSD current Subject: Re: System headers with clang? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Oct 2011 01:50:30 -0000 Hi, On Tue, Oct 11, 2011 at 9:09 PM, Julian Elischer wrote= : > On 10/11/11 12:57 PM, Arnaud Lacombe wrote: >> >> Hi, >> >> On Tue, Oct 11, 2011 at 3:42 PM, Julian Elischer >> =A0wrote: >>> >>> On 10/11/11 12:36 PM, Arnaud Lacombe wrote: >>>>> >>>>> [...] >> I will repeat myself here, but I ran what-was-to-become-Linux-v3.2 >> kernel on a 4 years old openwrt image and still had a functional >> system. Comparatively, I could not mix FreeBSD 7-STABLE userland and >> 8-STABLE kernel, The 8-STABLE kernel even changed the FS enough to >> make FreeBSD 7 unable to boot (even single user). > > actually due to libkvm there are actually a lot of programs that will wor= k > over the > 7-8 boundary... =A0a lot more than used to. between, say 2 and 3. > >> Let me emphasize again that it is only my personal opinion :-) > > Yep but its shared.. Unfortunately the problem is actually trickier than > first appears. > My own attempt at it can be seen with netgraph, where we instituted a tex= t > based > config scheme, and in geom where PHK made an XML config scheme. > it would seem that any attempt to solves that problem somehow ends-up to hierarchically text-encode/decode the binary data, Linux /proc / /sys text file-based interface, the netgraph encoding (which I admit is really powerful once dominated), phk's XML config scheme, NetBSD & Apple property list :) - Arnaud