From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58986) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VO6K1-0004RF-Vl for qemu-devel@nongnu.org; Mon, 23 Sep 2013 09:37:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VO6Jw-0006wU-0u for qemu-devel@nongnu.org; Mon, 23 Sep 2013 09:37:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58580) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VO6Jv-0006wK-Ma for qemu-devel@nongnu.org; Mon, 23 Sep 2013 09:36:59 -0400 Date: Mon, 23 Sep 2013 16:39:10 +0300 From: "Michael S. Tsirkin" Message-ID: <20130923133910.GC1278@redhat.com> References: <1379857006-17451-1-git-send-email-mst@redhat.com> <1379857006-17451-13-git-send-email-mst@redhat.com> <524035D9.5050108@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <524035D9.5050108@redhat.com> Subject: Re: [Qemu-devel] [PATCH v4 12/23] acpi: add rules to compile ASL source List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Laszlo Ersek , qemu-devel@nongnu.org, Anthony Liguori , afaerber@suse.de On Mon, Sep 23, 2013 at 02:36:41PM +0200, Paolo Bonzini wrote: > Il 22/09/2013 15:37, Michael S. Tsirkin ha scritto: > > Detect presence of IASL compiler and use it > > to process ASL source. If not there, use pre-compiled > > files in-tree. Add script to update the in-tree files. > > > > Note: distros are known to silently update iasl > > so detect correct iasl flags for the installed version on each run as > > opposed to at configure time. > > This is not any different from a C compiler, which is likely updated > much much more often than iasl. Yes but it's not a theoretical issue: we did catch iasl changing flags semantics on the fly, once. I think compilers don't do this as a norm :) > However, I don't feel strongly at all > about this. > > Paolo