From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: When should ralloc.c be used? Date: Sun, 23 Oct 2016 10:18:18 -0400 Message-ID: References: <83h98nidvd.fsf@gnu.org> <87eg3rvtsf.fsf@users.sourceforge.net> <83k2dihpm9.fsf@gnu.org> <8760p2wzgj.fsf@users.sourceforge.net> <838ttyhhzu.fsf@gnu.org> <871szqwu51.fsf@users.sourceforge.net> <831szqhbc2.fsf@gnu.org> <87d1itt79z.fsf_-_@users.sourceforge.net> <7baa18d4-2b09-caa8-005e-29008a383ad1@cs.ucla.edu> <83mvhwrgd5.fsf@gnu.org> <8539f38f-9a11-44c3-4de7-bb974c96206c@cs.ucla.edu> <8360ojpndr.fsf@gnu.org> <83wpgzo30m.fsf@gnu.org> <5a4bbe6d-08ce-e6c6-39d1-49c9cd6d1ffd@cs.ucla.edu> <83mvhvns9a.fsf@gnu.org> <83d1irnozo.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1477491774 30782 195.159.176.226 (26 Oct 2016 14:22:54 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 26 Oct 2016 14:22:54 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Oct 26 16:22:50 2016 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 1bzP6J-0006aD-20 for ged-emacs-devel@m.gmane.org; Wed, 26 Oct 2016 16:22:43 +0200 Original-Received: from localhost ([::1]:34968 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzP6L-0007Qp-EL for ged-emacs-devel@m.gmane.org; Wed, 26 Oct 2016 10:22:45 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38504) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzP2d-0005B5-Rz for emacs-devel@gnu.org; Wed, 26 Oct 2016 10:19:00 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bzP2Y-0007RY-Oz for emacs-devel@gnu.org; Wed, 26 Oct 2016 10:18:55 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:27071) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1bzP2T-0007OV-Su; Wed, 26 Oct 2016 10:18:45 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0BHAgALW9BX/9ly3mhdGwEBBAEBgy4BAQEBAR6ETYVQhGWrEYIDhhYEAgKBaTkUAQIBAQEBAQEBXieEYgEBAwFWIxALNBIUGA0kiFUIvFUBAQgCJYp9ihwBBJlZkRWHeIYLkEseNoRsIIYKAQEB X-IPAS-Result: A0BHAgALW9BX/9ly3mhdGwEBBAEBgy4BAQEBAR6ETYVQhGWrEYIDhhYEAgKBaTkUAQIBAQEBAQEBXieEYgEBAwFWIxALNBIUGA0kiFUIvFUBAQgCJYp9ihwBBJlZkRWHeIYLkEseNoRsIIYKAQEB X-IronPort-AV: E=Sophos;i="5.30,296,1470715200"; d="scan'208";a="277192087" Original-Received: from 104-222-114-217.cpe.teksavvy.com (HELO pastel.home) ([104.222.114.217]) by smtp.teksavvy.com with ESMTP; 26 Oct 2016 10:18:44 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 959ED653F8; Sun, 23 Oct 2016 10:18:18 -0400 (EDT) In-Reply-To: <83d1irnozo.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 23 Oct 2016 17:01:31 +0300") X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 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:208840 Archived-At: >> > Is it reasonable to require a version of glibc that still supports >> > __malloc_initialize_hook? When people upgrade to a newer glibc, the >> > previous version is still left on the system, I presume (for programs >> > that need them which were built against those old versions)? >> Not necessarily, no. E.g. it's not the case for fresh new installs. > But they can downgrade, right? Depends on the details of the distribution, but while it's technically probably possible, it's not necessarily simple for the end-user. Stefan