From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.devel Subject: Re: Building master on Windows fails with undefined reference to `__builtin_assume_aligned' Date: Sun, 26 Jun 2016 11:00:42 +0200 Message-ID: <576F99BA.7070305@gmx.at> References: <576E3E2E.1070802@gmx.at> <576EFA3A.6000900@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1466931717 19422 80.91.229.3 (26 Jun 2016 09:01:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Jun 2016 09:01:57 +0000 (UTC) To: Paul Eggert , emacs-devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jun 26 11:01:49 2016 Return-path: Envelope-to: ged-emacs-devel@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 1bH5wo-0003tX-RF for ged-emacs-devel@m.gmane.org; Sun, 26 Jun 2016 11:01:47 +0200 Original-Received: from localhost ([::1]:53187 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bH5wk-0006Hr-UL for ged-emacs-devel@m.gmane.org; Sun, 26 Jun 2016 05:01:42 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43935) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bH5wB-0006Hm-Ed for emacs-devel@gnu.org; Sun, 26 Jun 2016 05:01:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bH5w7-0005Sv-Bs for emacs-devel@gnu.org; Sun, 26 Jun 2016 05:01:06 -0400 Original-Received: from mout.gmx.net ([212.227.15.19]:55379) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bH5w7-0005S2-2M for emacs-devel@gnu.org; Sun, 26 Jun 2016 05:01:03 -0400 Original-Received: from [192.168.1.100] ([212.95.7.95]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0MfW5D-1b0ulf3feV-00P27T; Sun, 26 Jun 2016 11:00:48 +0200 In-Reply-To: <576EFA3A.6000900@cs.ucla.edu> X-Provags-ID: V03:K0:D8eV76LQmS4TmBVbUmk/Rs42yPyIt3TEjcll1qrO7rTy2SUCO0L XPzYeExWGEbTMyWts2hXux7H4W85M71Nx+VbI6s3GzmkOmXAXtL3M+oVVcRUuBTheA/eAuw phK5fpuKxLi3UXZR69nWPxN4xmLso+oleibOWZea9aRknE5nyGmSEE5L/udaPexzkGe/8g/ eLJegg1VvNqjG1ZQpJlFg== X-UI-Out-Filterresults: notjunk:1;V01:K0:9+78Zq378Zw=:G6Roc+OPbBNfI+oyA+mWrI Rh5KzWp8hYeXV7udkr4oc/PNcWEGp6yqTRNhDoz7wRdflgy5m6ZEhCb5rYLEWn4pKdOCbKsZ6 MOCBHC3PQZ+fZRjyWyYshBD5OT/yY5871tP1bE4cFx101OxH87pXUqe8wDnN9b3LFIfrohEqw JUWcmR0bnxLHscSaSOzvb/eaGSd4UE9ni9+0I1g79Ku88jaLklJtkaM3nR5wnQnqeoQejSe90 EdrfGpI94GwpIW9n28tUwYe01yi4YEEJHSxeX6YOGrY3xSOj7CGycrwlqv8hJUjek2OJCnbMW wRJaY0HNCMyRRXDgYCo16r2HCejWlrsAgzvnNApGCeaodpFNZhwUvxn/zSB2PD6+urRGV/P/J UOShAIVJ9sf2HWF9VF0/1IaGlPfZ3PAoIf6IdXDVH09E4IM5f9JCaML8JXTpaA+cQCeDPLjWS +gbq/xEvlZvXrG6CpBkukG1dVCK3xZo85hXlbJUAldPLv3Lf63AWn2wJ/KcFjWmb1Vd606rV6 +MoiL6hNrTwgMyforVNXE1vwTCzlBoAWBJMyz5TssIoAtpXCraFWAW1ynh2FZ+sIUgYYJMNhT 4R7VE7NR2XPy5brikHtOsUc1PYeSx87FYfNTE+wyzTwQJEN6Brjv66gjJk0jzSNu4srg+WaIN HR5/72JFqLvON8LQQg2Cs9Rwl5EEvFtkaGX7Dp6xNeX6KgbTXDX+kPpUdEMDKfHrlCXbEKIty dVpGM5KuPGATCpIpm7BZCCLkMY88+LLnubZ9TOPq3efWfTLGSkmzIPHLX3TgWUt3W/DGGFcy X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.15.19 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:204771 Archived-At: >> ../../src/lisp.h:878:3: warning: implicit declaration of function '__builtin_assume_aligned' [-Wimplicit-function-declaration] > > What version of GCC are you using? gcc (GCC) 4.6.2 > What are the values of the C macros __GNUC__, 4 > __GNUC_MINOR__, 6 > and __GNUC_PATCHLEVEL__? 2 (as expected I believe). > Currently, src/conf_post.h has this: > > # define __has_builtin___builtin_assume_aligned GNUC_PREREQ (4, 7, 0) > > which means the code assumes that GCC 4.7.0 and later support __builtin_assume_aligned (I got this from the GCC NEWS files). Perhaps that "(4, 7, 0)" is too low and needs to be increased a bit? Something else must be at work here. Note that I do not get the errors with CFLAGS='-O0 -g2 -gdwarf-2' (from my debug-build options). martin