From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Tom Tromey Newsgroups: gmane.emacs.devel Subject: Re: Compiling (development) Emacs with MSVC Date: Wed, 05 Jan 2011 14:40:42 -0700 Message-ID: References: <83sjy5279e.fsf@gnu.org> <83oc8jfii1.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1294263664 4156 80.91.229.12 (5 Jan 2011 21:41:04 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 5 Jan 2011 21:41:04 +0000 (UTC) Cc: Eli Zaretskii , Fabrice Popineau , emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jan 05 22:40:57 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Pab6G-0006Z5-2h for ged-emacs-devel@m.gmane.org; Wed, 05 Jan 2011 22:40:56 +0100 Original-Received: from localhost ([127.0.0.1]:45159 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Pab6F-0003iK-Od for ged-emacs-devel@m.gmane.org; Wed, 05 Jan 2011 16:40:55 -0500 Original-Received: from [140.186.70.92] (port=50189 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Pab67-0003hH-OV for emacs-devel@gnu.org; Wed, 05 Jan 2011 16:40:48 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Pab66-0002V1-Ec for emacs-devel@gnu.org; Wed, 05 Jan 2011 16:40:47 -0500 Original-Received: from mx1.redhat.com ([209.132.183.28]:45618) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Pab66-0002Uw-6W; Wed, 05 Jan 2011 16:40:46 -0500 Original-Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id p05Leifg018638 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 5 Jan 2011 16:40:44 -0500 Original-Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p05Lehg9014258; Wed, 5 Jan 2011 16:40:44 -0500 Original-Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id p05LegeR030781; Wed, 5 Jan 2011 16:40:43 -0500 Original-Received: by opsy.redhat.com (Postfix, from userid 500) id 95BD037848D; Wed, 5 Jan 2011 14:40:42 -0700 (MST) X-Attribution: Tom In-Reply-To: (Stefan Monnier's message of "Wed, 05 Jan 2011 16:14:55 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:134306 Archived-At: Stefan> IIUC gcc uses something like Stefan> ENUM_BF(Lisp_Misc_Type) tag : 3; Stefan> where ENUM_BF(x) can either turn into "enum x" or "unsigned int" Stefan> depending on whether the compiler supports unsigned bit fields. gdb uses: /* Be conservative and use enum bitfields only with GCC. This is copied from gcc 3.3.1, system.h. */ #if defined(__GNUC__) && (__GNUC__ >= 2) #define ENUM_BITFIELD(TYPE) enum TYPE #else #define ENUM_BITFIELD(TYPE) unsigned int #endif GCC uses: /* Be conservative and only use enum bitfields with GCC. FIXME: provide a complete autoconf test for buggy enum bitfields. */ #if (GCC_VERSION > 2000) #define ENUM_BITFIELD(TYPE) __extension__ enum TYPE #else #define ENUM_BITFIELD(TYPE) unsigned int #endif Tom