From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27765 invoked by alias); 25 Apr 2014 17:47:21 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 27753 invoked by uid 89); 25 Apr 2014 17:47:21 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.6 required=5.0 tests=AWL,BAYES_50,FREEMAIL_FROM,KAM_MXURI,RCVD_IN_DNSWL_NONE,RP_MATCHES_RCVD,SPF_PASS autolearn=no version=3.3.2 X-HELO: omr-m02.mx.aol.com Received: from omr-m02.mx.aol.com (HELO omr-m02.mx.aol.com) (64.12.143.76) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Fri, 25 Apr 2014 17:47:20 +0000 Received: from mtaout-mae01.mx.aol.com (mtaout-mae01.mx.aol.com [172.26.254.141]) by omr-m02.mx.aol.com (Outbound Mail Relay) with ESMTP id 0EF6F70249E14 for ; Fri, 25 Apr 2014 13:47:18 -0400 (EDT) Received: from [192.168.0.10] (cpe-69-133-204-177.cinci.res.rr.com [69.133.204.177]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mtaout-mae01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id C8A50380000CD for ; Fri, 25 Apr 2014 13:47:17 -0400 (EDT) Message-ID: <535A9FA2.80601@aol.com> Date: Fri, 25 Apr 2014 17:47:00 -0000 From: Tim Prince Reply-To: tprince@computer.org User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: 64-bit vs. 32-bit References: <20140425173837.GC346@ednor.casa.cgf.cx> In-Reply-To: <20140425173837.GC346@ednor.casa.cgf.cx> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit x-aol-global-disposition: G x-aol-sid: 3039ac1afe8d535a9fa51eee X-AOL-IP: 69.133.204.177 X-SW-Source: 2014-04/txt/msg00581.txt.bz2 On 4/25/2014 1:38 PM, Christopher Faylor wrote: > On Fri, Apr 25, 2014 at 01:26:22PM -0400, Tom Szczesny wrote: >> I have a 64-bit Windows laptop, and installed Cygwin several years ago. >> I wish to verify that I did install the 64-bit installation. >> I get the following results: >> >> cygcheck -V >> cygcheck (cygwin) 1.7.15 >> >> uname >> CYGWIN_NT-6.1-WOW64 >> >> If I did install the 64-bit version, when I rebuild my Linux app on >> Cygwin, do I automatically get a 64-bit executable (that will not run >> on a 32-bit Windows computer)? > 1) No, you didn't install a 64-bit version of Cygwin. "uname -a" should > make that clear. You'll need to instal a 64-bit version if that's what > you want. > > 2) Cygwin doesn't build Linux apps. If you have a cross-compiler then > it won't automatically decide to build 64-bit Linux apps because you > are on a 64-bit sytem. > > There are cygwin 64- and 32-bit native compilers and mingw 32- and 64-bit compilers on the setup.exe menu in case you mean to build for one of those targets. -- Tim Prince -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple