From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Angelo Graziosi Newsgroups: gmane.emacs.devel Subject: Re: Too many warnings building Emacs with GCC 6 on MSYS2-MinGW64 Date: Thu, 1 Sep 2016 17:42:06 +0200 Message-ID: References: <50083875-fbf6-d6b2-ffac-08c17c2bc696@alice.it> <83r395ko7o.fsf@gnu.org> <83h9a1kks6.fsf@gnu.org> <8337lklqrl.fsf@gnu.org> <11ac6b41-3a59-ec19-c414-151c08a91ba3@alice.it> <83oa48fiqn.fsf@gnu.org> <0749368a-c043-ef4b-8722-d5071f17a1e3@alice.it> <83h99zg0w0.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1472744686 17480 195.159.176.226 (1 Sep 2016 15:44:46 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 1 Sep 2016 15:44:46 +0000 (UTC) User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 Cc: kbrown@cornell.edu, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Sep 01 17:44:37 2016 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 1bfUAJ-00035N-0q for ged-emacs-devel@m.gmane.org; Thu, 01 Sep 2016 17:44:31 +0200 Original-Received: from localhost ([::1]:37580 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bfUAG-0003YZ-ML for ged-emacs-devel@m.gmane.org; Thu, 01 Sep 2016 11:44:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36509) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bfU8G-0002Rd-0F for emacs-devel@gnu.org; Thu, 01 Sep 2016 11:42:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bfU8A-0000fR-Lt for emacs-devel@gnu.org; Thu, 01 Sep 2016 11:42:22 -0400 Original-Received: from smtp203.alice.it ([82.57.200.99]:9523) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bfU8A-0000eo-AH; Thu, 01 Sep 2016 11:42:18 -0400 Original-Received: from [192.168.1.100] (79.45.0.244) by smtp203.alice.it (8.6.060.43) (authenticated as angelo.graziosi@alice.it) id 57AB225A02E675A4; Thu, 1 Sep 2016 17:42:13 +0200 In-Reply-To: <83h99zg0w0.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 82.57.200.99 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:207070 Archived-At: Il 01/09/2016 16:17, Eli Zaretskii ha scritto: > > The prototype that fixes this, with 'int' as the return value, is > wrong, and is IMO a MinGW64 GCC bug which should be reported. > intptr_t is a 64-bit type in MinGW64, while int is still 32 bits. By > enforcing the wrong type, GCC contradicts MinGW64's own library > headers. I tested the test case (that using intptr_t) on OSX with gcc-6.1 and it prints the same warning only using 'int' as return type the warning goes away...