X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.2 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org Message-ID: <4BE21D9B.9010302@gmail.com> Date: Thu, 06 May 2010 02:38:35 +0100 From: Dave Korn User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: Cygwin make target is never determined up to date References: <28454344 DOT post AT talk DOT nabble DOT com> <4BE0F722 DOT 1040009 AT bopp DOT net> <28456659 DOT post AT talk DOT nabble DOT com> <4BE0FC52 DOT 80708 AT bopp DOT net> <4BE11A07 DOT 1040308 AT gmail DOT com> <28467628 DOT post AT talk DOT nabble DOT com> <4BE20556 DOT 8040705 AT gmail DOT com> <28467801 DOT post AT talk DOT nabble DOT com> <4BE20D67 DOT 3040707 AT gmail DOT com> <28467975 DOT post AT talk DOT nabble DOT com> <4BE2135A DOT 2080903 AT gmail DOT com> <28468153 DOT post AT talk DOT nabble DOT com> <4BE21AAC DOT 5030704 AT gmail DOT com> <28468326 DOT post AT talk DOT nabble DOT com> In-Reply-To: <28468326.post@talk.nabble.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On 06/05/2010 02:15, MichaelKim wrote: > Well, it's confusing because I have 3 machines. > > 1. WinXP (cygwin 1.5.19) - once built, the timestamps are equal and no > problem( happy with that, but I got the point that this is wrong makefile > design) > > 2. Win7 (cygwin 1.7.5) - once built, the timestamps are equal, and no > further build required if files are intact. However, sometimes the > timestamps are not equal and it doesn't consider targets up to date. > > 3. Another Win7 (cygwin 1.7.5, I can check exactly later) - timestamps are > always different, hence it's NEVER up to date. This is the original case I > was talking about. > > Hope it's clear now. Yes, I see; so the thing we need to understand (from posix compatibility point of view) is why on the first win7 machine, the timestamps are not /always/ unequal! > Sorry for misleading and confusing you ^^ No need to apologise, I spend most of my life confused, it's only when I get too certain that I really know something that I may make a mistake :) cheers, DaveK -- 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