From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrea Corallo Newsgroups: gmane.emacs.devel Subject: Re: Suppressing native compilation (short and long term) Date: Mon, 17 Oct 2022 07:20:51 +0000 Message-ID: References: <87ill8paw7.fsf@trouble.defaultvalue.org> <83o7uzivey.fsf@gnu.org> <3ac9d2b9632f75018327a1bcde0c373f152c404a.camel@gmail.com> <835ygob7ja.fsf@gnu.org> <8335bra2rl.fsf@gnu.org> <87ilkncugg.fsf@gnus.org> <83zgdz7x8u.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="1537"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Eli Zaretskii , Lars Ingebrigtsen , liliana.prikler@gmail.com, rlb@defaultvalue.org, emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Oct 17 09:29:37 2022 Return-path: Envelope-to: ged-emacs-devel@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 1okKZ7-0000DG-H7 for ged-emacs-devel@m.gmane-mx.org; Mon, 17 Oct 2022 09:29:37 +0200 Original-Received: from localhost ([::1]:50434 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1okKZ5-0003z6-68 for ged-emacs-devel@m.gmane-mx.org; Mon, 17 Oct 2022 03:29:35 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56388) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1okKQy-0007B9-3C for emacs-devel@gnu.org; Mon, 17 Oct 2022 03:21:19 -0400 Original-Received: from mx.sdf.org ([205.166.94.24]:49921) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1okKQp-00008H-Mq; Mon, 17 Oct 2022 03:21:08 -0400 Original-Received: from ma.sdf.org (ma.sdf.org [205.166.94.33]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 29H7Kpqn021617 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Mon, 17 Oct 2022 07:20:52 GMT In-Reply-To: (Stefan Monnier's message of "Sat, 15 Oct 2022 12:17:02 -0400") Received-SPF: pass client-ip=205.166.94.24; envelope-from=akrl@sdf.org; helo=mx.sdf.org X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:297928 Archived-At: Stefan Monnier writes: > Andrea Corallo [2022-10-15 15:10:06] wrote: >> Stefan Monnier writes: >>>> Dumb question: can't we just run the spawned compilation processes with >>>> --no-site-file? >>> >>> For trampolines, I guess that should work since they shouldn't depend on >>> local customizations. Of course, a tempting alternative is to resort to >>> "binary hacking", i.e. compile *one* template-trampoline and then >>> generate all every other trampoline by copying that template and >>> patching the right "stuff" into it. That would save us from running the >>> compiler to generate the trampolines (i.e. it would let us behave >>> correctly on Windows even when GCC/libgccjit is not found at run time), >>> but it would force us to write architecture-dependent code to patch the >>> binary template. >> >> I think writing and maintaining arch dependent code to fix and >> manipulate binaries is really a road we don't want to go down! >> >> (a terrified) Andrea :) > > I tend to agree. I just wish we could rely on some other tool to do > that for us. Yeah, I'm not aware of such a tool. I guess a similar path lead GCL to maintaining a (now very stale) in tree custom version of binutils. Andrea