From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#20338: configure test for nopie with gcc 4.4.3 on Trisquel 4.1 Date: Thu, 16 Apr 2015 00:18:57 -0700 Organization: UCLA Computer Science Department Message-ID: <552F6261.3050408@cs.ucla.edu> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------060606060501070604050509" X-Trace: ger.gmane.org 1429169106 5645 80.91.229.3 (16 Apr 2015 07:25:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 16 Apr 2015 07:25:06 +0000 (UTC) To: 20338-done@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Apr 16 09:24:50 2015 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 1YieAK-0006dm-P5 for geb-bug-gnu-emacs@m.gmane.org; Thu, 16 Apr 2015 09:24:48 +0200 Original-Received: from localhost ([::1]:35561 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YieAJ-00066Z-T9 for geb-bug-gnu-emacs@m.gmane.org; Thu, 16 Apr 2015 03:24:47 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54695) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YieAF-00062d-3s for bug-gnu-emacs@gnu.org; Thu, 16 Apr 2015 03:24:43 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YieAB-0002zH-DV for bug-gnu-emacs@gnu.org; Thu, 16 Apr 2015 03:24:43 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:39618) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yie5m-0001xp-0D for bug-gnu-emacs@gnu.org; Thu, 16 Apr 2015 03:20:07 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Yie5l-000492-9O for bug-gnu-emacs@gnu.org; Thu, 16 Apr 2015 03:20:05 -0400 In-Reply-To: Resent-From: Paul Eggert Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Thu, 16 Apr 2015 07:20:04 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 20338 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Mail-Followup-To: 20338@debbugs.gnu.org, eggert@cs.ucla.edu, rgm@gnu.org Original-Received: via spool by 20338-done@debbugs.gnu.org id=D20338.142916875115855 (code D ref 20338); Thu, 16 Apr 2015 07:20:04 +0000 Original-Received: (at 20338-done) by debbugs.gnu.org; 16 Apr 2015 07:19:11 +0000 Original-Received: from localhost ([127.0.0.1]:57625 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yie4s-00047f-JM for submit@debbugs.gnu.org; Thu, 16 Apr 2015 03:19:10 -0400 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:48918) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yie4q-00047M-4H for 20338-done@debbugs.gnu.org; Thu, 16 Apr 2015 03:19:09 -0400 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 02C8FA60087 for <20338-done@debbugs.gnu.org>; Thu, 16 Apr 2015 00:19:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mlUGrh12lBCM for <20338-done@debbugs.gnu.org>; Thu, 16 Apr 2015 00:18:57 -0700 (PDT) Original-Received: from [192.168.1.9] (pool-100-32-155-148.lsanca.fios.verizon.net [100.32.155.148]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 5A54AA60080 for <20338-done@debbugs.gnu.org>; Thu, 16 Apr 2015 00:18:57 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 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:101580 Archived-At: This is a multi-part message in MIME format. --------------060606060501070604050509 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Thanks for reporting that. In master commit c6e93df20266fe9f8517f14f3b7c367281f988a5 I installed the attached patch, which fixed the bug for me. --------------060606060501070604050509 Content-Type: text/x-patch; name="0001-Pre-4.6-GCC-succeeds-with-unknown-option.patch" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="0001-Pre-4.6-GCC-succeeds-with-unknown-option.patch" >From aefb6f4a4b4bc59386d817728760a15e1225aa6f Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 16 Apr 2015 00:14:11 -0700 Subject: [PATCH] Pre-4.6 GCC succeeds with unknown option * configure.ac (emacs_cv_prog_cc_nopie): Port to pre-4.6 GCC. Fixes: bug#20338 --- configure.ac | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/configure.ac b/configure.ac index c35e962..39f3f9f 100644 --- a/configure.ac +++ b/configure.ac @@ -5021,18 +5021,19 @@ esac # -nopie fixes a temacs segfault on Gentoo, OpenBSD, and other systems # with "hardened" GCC configurations for some reason (Bug#18784). # We don't know why -nopie works, but not segfaulting is better than -# segfaulting. Use -Werror when trying -nopie, otherwise clang keeps -# warning that it does not understand -nopie. +# segfaulting. Use ac_c_werror_flag=yes when trying -nopie, otherwise +# clang keeps warning that it does not understand -nopie, and pre-4.6 +# GCC has a similar problem (Bug#20338). AC_CACHE_CHECK([whether $CC accepts -nopie], [emacs_cv_prog_cc_nopie], - [emacs_save_CFLAGS=$CFLAGS + [emacs_save_c_werror_flag=$ac_c_werror_flag emacs_save_LDFLAGS=$LDFLAGS - CFLAGS="$CFLAGS -Werror" + ac_c_werror_flag=yes LDFLAGS="$LDFLAGS -nopie" AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [emacs_cv_prog_cc_nopie=yes], [emacs_cv_prog_cc_nopie=no]) - CFLAGS=$emacs_save_CFLAGS + ac_c_werror_flag=$emacs_save_c_werror_flag LDFLAGS=$emacs_save_LDFLAGS]) if test "$emacs_cv_prog_cc_nopie" = yes; then LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie" -- 2.1.0 --------------060606060501070604050509--