From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: Question on updating to 29.1 Date: Thu, 05 Oct 2023 21:54:12 +0300 Message-ID: <83h6n43nor.fsf@gnu.org> References: <7434968f-40b1-ac55-c692-56a9b1c6a547@magnaspesmeretrix.org> <87350qj8fi.fsf@posteo.net> <844c26a7-d926-3b7d-db2e-2fb85cf01ca7@starynkevitch.net> <87bkfdubnd.fsf@dataswamp.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26216"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Oct 05 20:54:36 2023 Return-path: Envelope-to: geh-help-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 1qoTUa-0006aM-DT for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 05 Oct 2023 20:54:36 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qoTU4-0005AZ-Gq; Thu, 05 Oct 2023 14:54:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qoTU3-0005AQ-1g for help-gnu-emacs@gnu.org; Thu, 05 Oct 2023 14:54:03 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qoTU2-0000ps-Pu for help-gnu-emacs@gnu.org; Thu, 05 Oct 2023 14:54:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=fpvFXMKvkhHhd4QbQNZ4nOIRhBrZOlufCiTWRE/a5Do=; b=AYbNRED8NdZ+ Vqac20AB6PwbCLLl2+7QCfp0EUMI/cXUS9vTz+jU88iyC/KUCCTBHYY2PTWl8lTJefpEB0BedTKrz 6Uf1DENjDvHCO0B0xnVwIY1yuuO5EoNyYPnWRvsQHNMrRMQD6zM6M6VZBRNqK0hNHN5m3ZoncV8pQ Ef7KAObblkspiIVPR7Ydxnz7plABScNo+dF8KP83UwPtQUUECD/825lec/RAqzqqUowdIlnmbTYwJ rxZwQzwKxxxvTMwZpUBBjuOHrAvBwWF3bCKwzZhQRJhP+I3osx4N4YOeMcGT7nK8ZpXTamYeOdcTW mZbaq8SHMmGiXtAMdAN/nA==; In-Reply-To: (message from hw on Thu, 05 Oct 2023 20:21:05 +0200) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:145210 Archived-At: > From: hw > Date: Thu, 05 Oct 2023 20:21:05 +0200 > > On Thu, 2023-08-17 at 20:58 +0200, Basile Starynkevitch wrote: > > > > In recent GNU emacs (30) there is a possibility to compile the Elisp > > code to machine code, using libgccjit. > > > > And libgccjit is a "pseudo"' just in time compiler in recent GCC > > compiler. Documented in https://gcc.gnu.org/onlinedocs/jit/ and existing > > in GCC 12. > > > > (Those wanting a real just in time compiler should consider using the > > GNU lightning library, see https://www.gnu.org/software/lightning/ ; it > > is not GCC related, smaller, but generates slower machine code than > > libgccjit). > > Does that happen automatically or do I need to somehow configure > something for this? I followed this guide: > https://github.com/NapoleonWils0n/cerberus/blob/master/fedora/emacs-build-fedora.org If you build Emacs with native-compilation enabled (it is not the default for now), then the compilation itself happens autiomatically, yes.