From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: ASSI Newsgroups: gmane.emacs.bugs Subject: bug#50666: 28.0.50; Fix native compilation on Cygwin Date: Sun, 19 Sep 2021 13:31:09 +0200 Message-ID: <877dfcg5tu.fsf@Otto.invalid> References: <9f20194e-b1ba-9417-4f18-caa1d80b5568@cornell.edu> <01a89ba6-2786-df04-0181-069b50a70331@cornell.edu> <835yux5dn1.fsf@gnu.org> <87bl4pf3s1.fsf@Otto.invalid> <83tuih3uvr.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12838"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) Cc: ASSI , 50666@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Sep 19 13:32:20 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mRv3U-00036Y-AC for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 19 Sep 2021 13:32:20 +0200 Original-Received: from localhost ([::1]:40542 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mRv3T-0003GM-6j for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 19 Sep 2021 07:32:19 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35208) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRv3C-0003Fh-Ki for bug-gnu-emacs@gnu.org; Sun, 19 Sep 2021 07:32:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54245) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mRv3C-0008UK-0s for bug-gnu-emacs@gnu.org; Sun, 19 Sep 2021 07:32:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mRv3B-00042m-RT for bug-gnu-emacs@gnu.org; Sun, 19 Sep 2021 07:32:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: ASSI Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 19 Sep 2021 11:32:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50666 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 50666-submit@debbugs.gnu.org id=B50666.163205108513831 (code B ref 50666); Sun, 19 Sep 2021 11:32:01 +0000 Original-Received: (at 50666) by debbugs.gnu.org; 19 Sep 2021 11:31:25 +0000 Original-Received: from localhost ([127.0.0.1]:37558 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mRv2b-0003aT-0h for submit@debbugs.gnu.org; Sun, 19 Sep 2021 07:31:25 -0400 Original-Received: from smtpout2.vodafonemail.de ([145.253.239.133]:54982) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mRv2V-0003SR-TU for 50666@debbugs.gnu.org; Sun, 19 Sep 2021 07:31:23 -0400 Original-Received: from smtp.vodafone.de (smtpa01.fra-mediabeam.com [10.2.0.32]) by smtpout2.vodafonemail.de (Postfix) with ESMTP id 74A3E120C35; Sun, 19 Sep 2021 13:31:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nexgo.de; s=vfde-smtpout-mb-15sep; t=1632051074; bh=lkGWpePvH+hbFdxrdpvr967PNMGaIaRarBLkjYwh/Iw=; h=From:To:Cc:Subject:References:Date:In-Reply-To; b=fvOeTAe7WNATK0/KLoMvB5gKBrd5yPMFGUvxbTssOZ4q2BXxTRagBn/D/SZFI+cdj 7s9GgDCqdQFGKZ62ucpZogt4xcFFMBXmZaz4fzslCGoZrWGMgRvGeBGNs8Wcjdvsxl K3zOfQyvOqNdTmv1AChaN8Qr2ipWUYtZrxnYbtyE= Original-Received: from Otto (p54a0cb96.dip0.t-ipconnect.de [84.160.203.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp.vodafone.de (Postfix) with ESMTPSA id A3ACC14019D; Sun, 19 Sep 2021 11:31:12 +0000 (UTC) In-Reply-To: <83tuih3uvr.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 19 Sep 2021 10:08:24 +0300") X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate: clean X-purgate-size: 1047 X-purgate-ID: 155817::1632051073-0000065C-895EDAD6/0/0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:214702 Archived-At: Eli Zaretskii writes: >> There is (of course), but then there is no guarantee that you can do a >> fork from the resulting memory image. Which is exactly the problem that >> fixing the base addresses of all DLL was intended to solve and has the >> unfortunate side effect that you need to modify the on-disk >> representation. On 64bit, marking the eln as ASLR w/ high-entropy and >> large address aware will probably work most of the time, but 32bit is >> much more prone to collisions (in fact I did use a shell inside an X11 >> Emacs as my test case when I last unsuccessfully tried to make ASLR work >> for Cygwin). > > So this basically means that native-compilation is unworkable for > 32-bit Cygwin, right? Explicit rebasing should work on both architectures, the question is just how to best ensure it's done correctly. Regards, Achim. -- +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+ Wavetables for the Waldorf Blofeld: http://Synth.Stromeko.net/Downloads.html#BlofeldUserWavetables