From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: simplify GNU Emacs builds by replacing malloc Date: Thu, 22 Jun 2017 11:45:03 -0700 Organization: UCLA Computer Science Department Message-ID: <4bed4d24-9a87-f0c2-fc38-d32e38c07684@cs.ucla.edu> References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1498157115 24693 195.159.176.226 (22 Jun 2017 18:45:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 22 Jun 2017 18:45:15 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 To: Emacs Development Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jun 22 20:45:12 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dO76N-0006Bp-Eo for ged-emacs-devel@m.gmane.org; Thu, 22 Jun 2017 20:45:11 +0200 Original-Received: from localhost ([::1]:60492 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dO76S-0004R8-Ip for ged-emacs-devel@m.gmane.org; Thu, 22 Jun 2017 14:45:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dO76M-0004Ov-Om for Emacs-devel@gnu.org; Thu, 22 Jun 2017 14:45:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dO76I-0004fz-QN for Emacs-devel@gnu.org; Thu, 22 Jun 2017 14:45:10 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:45372) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dO76I-0004fN-JT for Emacs-devel@gnu.org; Thu, 22 Jun 2017 14:45:06 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id B4205160095 for ; Thu, 22 Jun 2017 11:45:04 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id XUgt2zgt0of8 for ; Thu, 22 Jun 2017 11:45:04 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 0E9C9160096 for ; Thu, 22 Jun 2017 11:45:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id q7FN9cYFFpUX for ; Thu, 22 Jun 2017 11:45:03 -0700 (PDT) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id C0DD0160095 for ; Thu, 22 Jun 2017 11:45:03 -0700 (PDT) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:215890 Archived-At: On 06/21/2017 11:29 PM, John Wiegley wrote: > Was there any particular reason for the macro approach? Which macro approach, the approach currently in Emacs, or the approach proposed in Bug#27416? If the former, we have to be careful about redefining the malloc function, as this has undefined behavior in C; this is why Emacs #defines malloc instead. If the latter, it's a longer story but that approach didn't work and the proposal has been withdrawn, so I'm not sure it's worth taking the time to explain.