From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Tino Calancha Newsgroups: gmane.emacs.devel Subject: Re: Compiled code in Emacs-26 will fail in Emacs-25 if use pcase [was: Add new bytecode op `switch' for implementing branch tables.] Date: Thu, 23 Feb 2017 19:12:37 +0900 (JST) Message-ID: References: <1b07c68a-873e-83c8-246d-423bc83a3881@gmail.com> <83y3xg4ldw.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Trace: blaine.gmane.org 1487844799 19246 195.159.176.226 (23 Feb 2017 10:13:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 23 Feb 2017 10:13:19 +0000 (UTC) User-Agent: Alpine 2.20 (DEB 67 2015-01-07) Cc: Emacs developers , Tino Calancha To: Richard Copley Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Feb 23 11:13:15 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 1cgqOg-0004UQ-Lk for ged-emacs-devel@m.gmane.org; Thu, 23 Feb 2017 11:13:14 +0100 Original-Received: from localhost ([::1]:57604 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cgqOm-0006pk-46 for ged-emacs-devel@m.gmane.org; Thu, 23 Feb 2017 05:13:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38070) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cgqOE-0006pe-DF for emacs-devel@gnu.org; Thu, 23 Feb 2017 05:12:47 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cgqO9-0003gf-EL for emacs-devel@gnu.org; Thu, 23 Feb 2017 05:12:46 -0500 Original-Received: from mail-pf0-x231.google.com ([2607:f8b0:400e:c00::231]:35340) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cgqO9-0003gb-7l for emacs-devel@gnu.org; Thu, 23 Feb 2017 05:12:41 -0500 Original-Received: by mail-pf0-x231.google.com with SMTP id 68so3784901pfx.2 for ; Thu, 23 Feb 2017 02:12:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version; bh=9qfdY2Kh3wA4+StkvRSOVx/O2OuQcnJ6SKbtfcEWdnw=; b=bCxcvwiBffQC7LgiGRuIiCpasBNF57ysjTbSfRKYT45n2EliqBCds0isbAs8EdLHBm QQQhINMIXTWLO6oFZ8lhv4DfJF9PCFKWQET9jyGY1665Q82TQdR8v9GUTSQs91ba105g 9OGBugOeCUwyB/k2465QCSv7GunH35MsCbDM5OfDcfxr/nhpzN2pmUq/hwaFqpDG4/TC iZawUFSvVDfb5y2Tmo2uFXq3Y1KXJX7trO6xzuIi74F/D2dMw6Fwee2WoN/Apqx/jGNn NPwRKfQCwMfI2F8Zkjt8BC7RCO5evctmszH9CDcoAl8zbn2wRBrUwMaqbmqKA2r74BFz /4yA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version; bh=9qfdY2Kh3wA4+StkvRSOVx/O2OuQcnJ6SKbtfcEWdnw=; b=A72ezWXpZ5HQRMXUV4DfbKX0JgFqFybnADLLeoqJTcDj/Og4kRfud+BaIDJRNv5IKw s2+Am7i8klmKMCuKMCN2GSnhPWbWCA8isVhcMzbL/7iLuc2iqQ0+TKioywD71H1u2NVO nZHFJpmkx3wFO6Kk0UMyNNpjl8Gz7BdWyEdHPZXWUO9Wu+f5xNdjYLZ2s/62aEaKskc5 HjvtK52pE7sTORGjXfkX3LgTpPjhbdT4fh5SabTG+QwzCkJYexb0S/GN3qaARiuqFjGk 4pDHBGNclFRWbcB1wxPLgb/eLsTSjabQG+99RSP8xiPysAXl9d+ZZSk5yfYy4kZJc5YM awjA== X-Gm-Message-State: AMke39mE8UqsBHNc0jZyNHcf+5M/nRcIXw5aqk3o+p+jfGiug1iDa2gAMh0tuw9YzxlaZg== X-Received: by 10.98.50.66 with SMTP id y63mr45433840pfy.21.1487844760352; Thu, 23 Feb 2017 02:12:40 -0800 (PST) Original-Received: from calancha-pc (104.81.147.124.dy.bbexcite.jp. [124.147.81.104]) by smtp.gmail.com with ESMTPSA id u78sm8737899pfa.101.2017.02.23.02.12.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Feb 2017 02:12:39 -0800 (PST) X-Google-Original-From: Tino Calancha X-X-Sender: calancha@calancha-pc In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c00::231 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:212542 Archived-At: On Thu, 23 Feb 2017, Richard Copley wrote: > There are various options that avoid the problem. > * keep your `load-path' entries version specific > * don't byte compile libs that are shared between versions > * byte compile them with the earliest Emacs you'll use > * don't use different versions of Emacs > > Eli recommended the first option (the same one you suggested) to me, > see #14513. In `emacs -Q' by default all `load-path' entries are in a > version-specific subdirectory. Thank very much for your clear answer! I will be more careful with my initilizations. Best regards, Tino