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.bugs Subject: bug#9106: 24.0.50; ./configure causes massive recompilation Date: Mon, 25 Apr 2022 14:34:12 +0300 Message-ID: <83y1ztmm6j.fsf@gnu.org> References: <87h76h4faj.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34390"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 9106@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Apr 25 13:35:15 2022 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 1niwzq-0008kI-U0 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 25 Apr 2022 13:35:15 +0200 Original-Received: from localhost ([::1]:59678 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1niwzp-0006ld-ML for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 25 Apr 2022 07:35:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51150) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niwze-0006lU-9J for bug-gnu-emacs@gnu.org; Mon, 25 Apr 2022 07:35:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:39516) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1niwze-00085B-13 for bug-gnu-emacs@gnu.org; Mon, 25 Apr 2022 07:35:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1niwzd-0005rS-V0 for bug-gnu-emacs@gnu.org; Mon, 25 Apr 2022 07:35:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 25 Apr 2022 11:35:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 9106 X-GNU-PR-Package: emacs Original-Received: via spool by 9106-submit@debbugs.gnu.org id=B9106.165088647522485 (code B ref 9106); Mon, 25 Apr 2022 11:35:01 +0000 Original-Received: (at 9106) by debbugs.gnu.org; 25 Apr 2022 11:34:35 +0000 Original-Received: from localhost ([127.0.0.1]:33413 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1niwzC-0005qb-K2 for submit@debbugs.gnu.org; Mon, 25 Apr 2022 07:34:34 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:57740) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1niwzA-0005qO-NA for 9106@debbugs.gnu.org; Mon, 25 Apr 2022 07:34:33 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:35230) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niwz5-00082W-C4; Mon, 25 Apr 2022 07:34:27 -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=aB9IwjHBVanR9vXnffgNwePoS6QXf78AMvNit8Su/to=; b=bd/ze1Fnywki C9P87Bam9nP0a8/xLb/LiRiyCTzVxE0tGZK3BL3TQlGSbdP7xdrfds1Z7xTdvfB8jBWqkzhkZ5c81 AGk8+769oYG0k3WejoPL5+pGkehRnUJShpQ4T5k8Ahoh0ENH1QvmovaxlpBLTt7sl4r7SiVbzWlXk 5eTWc8DqIkFzXfg6O3WwrPYbfD28vWquW+lg+JWnNBH9iCutQ2GC5No5ldvxWfO1T3QR3/7bloCOi sDY1tE7Ty2svNhOeGBJne00V6an2yCqcaZ373wmhvr2Dykjr1kYXdiHti/ATv/dS3BL7Sy8MSBpb3 lanjIzozuKyY4Hb9RTkWVg==; Original-Received: from [87.69.77.57] (port=2325 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niwz4-00063h-Ru; Mon, 25 Apr 2022 07:34:27 -0400 In-Reply-To: <87h76h4faj.fsf@gnus.org> (message from Lars Ingebrigtsen on Mon, 25 Apr 2022 12:40:20 +0200) 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:230632 Archived-At: > From: Lars Ingebrigtsen > Cc: 9106@debbugs.gnu.org > Date: Mon, 25 Apr 2022 12:40:20 +0200 > > Eli Zaretskii writes: > > > Invocation of the `configure' script causes recompilation of many > > source files, even though nothing has really changed. > > > > It looks like the cause is lib/Makefile which states that several > > generated headers in that directory depend on config.status. So each > > `configure' causes those headers to be regenerated, which in turn > > triggers many files using those headers to be recompiled. > > > > This is annoying, as building Emacs even on a modern system takes a > > significant amount of time (about 3 minutes on this box, whose details > > see below). Can this annoyance be removed, please? > > Reading this bug thread, it seems that various options were suggested > (mostly around different move-if-changed solutions), but they all seemed > to have various problems. > > I think that it's unlikely that a user runs configure twice in a row > without changing any options, so I don't personally see any problems > with re-compiling all the .c files after running configure, so I wonder > whether there's really anything to be done here. I don't mind closing this as wontfix.