From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?UTF-8?Q?=C3=93scar?= Fuentes Newsgroups: gmane.emacs.bugs Subject: bug#19111: 25.0.50; 32 bits temacs.exe is linked with wrong image-base when built on 64 bit Windows host Date: Sat, 29 Nov 2014 20:45:37 +0100 Message-ID: <87iohxn63i.fsf@wanadoo.es> References: <87fvdfrl4p.fsf@telefonica.net> <87ioi8pg84.fsf@wanadoo.es> <87egswpf9p.fsf@wanadoo.es> <87a93kp3lb.fsf@wanadoo.es> <9hwq6o11ud.fsf@fencepost.gnu.org> <87389cox4u.fsf@wanadoo.es> <87mw7gngw8.fsf@wanadoo.es> <87egsrnguj.fsf@wanadoo.es> <873896onl2.fsf@wanadoo.es> <87y4qyn840.fsf@wanadoo.es> <83zjbeoc40.fsf@gnu.org> <87mw7am0ub.fsf@wanadoo.es> <83tx1halll.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1417290387 24870 80.91.229.3 (29 Nov 2014 19:46:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 29 Nov 2014 19:46:27 +0000 (UTC) Cc: 19111@debbugs.gnu.org To: Dani Moncayo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Nov 29 20:46:20 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XunyG-0003IU-49 for geb-bug-gnu-emacs@m.gmane.org; Sat, 29 Nov 2014 20:46:20 +0100 Original-Received: from localhost ([::1]:48626 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XunyF-0001WJ-Ls for geb-bug-gnu-emacs@m.gmane.org; Sat, 29 Nov 2014 14:46:19 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43399) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xuny5-0001WD-RW for bug-gnu-emacs@gnu.org; Sat, 29 Nov 2014 14:46:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xunxy-0000Os-C2 for bug-gnu-emacs@gnu.org; Sat, 29 Nov 2014 14:46:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:52183) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xunxy-0000Oo-8L for bug-gnu-emacs@gnu.org; Sat, 29 Nov 2014 14:46:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Xunxx-0002Ly-O9 for bug-gnu-emacs@gnu.org; Sat, 29 Nov 2014 14:46:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: =?UTF-8?Q?=C3=93scar?= Fuentes Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 29 Nov 2014 19:46:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19111 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19111-submit@debbugs.gnu.org id=B19111.14172903429021 (code B ref 19111); Sat, 29 Nov 2014 19:46:01 +0000 Original-Received: (at 19111) by debbugs.gnu.org; 29 Nov 2014 19:45:42 +0000 Original-Received: from localhost ([127.0.0.1]:49396 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xunxe-0002LP-Dq for submit@debbugs.gnu.org; Sat, 29 Nov 2014 14:45:42 -0500 Original-Received: from smtp10.acens.net ([86.109.99.134]:53313 helo=smtp.movistar.es) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xunxb-0002LG-Sk for 19111@debbugs.gnu.org; Sat, 29 Nov 2014 14:45:41 -0500 X-CTCH-RefID: str=0001.0A0B0204.547A2262.01BC, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-Spam: Unknown Original-Received: from qcore (88.10.128.129) by smtp.movistar.es (8.6.122.03) (authenticated as 981711563$telefonica.net) id 5453978C00EE4385; Sat, 29 Nov 2014 19:45:38 +0000 In-Reply-To: (Dani Moncayo's message of "Sat, 29 Nov 2014 20:23:31 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:96743 Archived-At: Dani Moncayo writes: > As I see it, MSYS2 (either its 32 or 64-bit version) comes with two > ways of invoking bash: mingw32_shell.bat and mingw64_shell.bat. > > IIUC, this gives the user two _build_ environments: one tuned for > building 32-bit MinGW programs and other for 64-bit. One places /mingw32/bin on the PATH, the other places /mingw64/bin on the PATH. They also set MSYSTEM. That's all. > So, if I enter the 32-bit _build_ environment and I build Emacs with a > plain 'configure && make', I'd expect it to work out of the box. But > as we've seen, it doesn't. Why? -> Because the canonical host > platform (picked up by default) has a wrong CPU. And why? -> Because > the canonical _build_ platform picked (up by default) has a wrong CPU. > And why? -> because 'uname -m' gives 'x86_64' in a build environment > that pretends to be tuned for 32 bits. `uname' has nothing to do with the toolset you are going to use. The scenario is similar to building on a x86_64 GNU/Linux box targeting i686. You can build and *run* the software on 32 bit mode on that same machine. Certainly, nobody expects that `uname' changes its output depending on how do you plan to build the software. Usually, the user would be required to explicitly declare their intended host platform when there is a mismatch of MSYS2 arch/MinGW-w64 arch. What I submitted was a hack that exploits an MSYS2 idiosyncrasy for relieving the user from that work and, more important, avoiding a puzzling build error. You now propose to translate the hack to MSYS2 `uname'. That's going too far, IMO.