Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm 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 To: cygwin AT cygwin DOT com From: "Alex Vinokur" Subject: Re: Different executables of the same source Date: Wed, 11 Feb 2004 06:39:28 +0200 Lines: 24 Message-ID: References: <8D861ADC5B8FD211B4100008C71EA7DA04F7140D AT kjsdemucshrexc1 DOT eu DOT pm DOT com> X-Complaints-To: usenet AT sea DOT gmane DOT org X-Gmane-NNTP-Posting-Host: pop03-2-ras5-p77.barak.net.il X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 "Shankar Unni" wrote in message news:c0c593$2mo$1 AT sea DOT gmane DOT org... > Demmer, Thomas wrote: > > > Because the PE header has a field that contains > > the creation time. Due to this "feature" the MD5-sums > > of executables compiled on two different machines will hardly ever > > concide. I have no clue why this feature exists. > > Almost *all* object file formats (ELF, COFF/PE, ...) have such headers, > to tell you when and where it was built. > > How can one get the creation time of object file foo.o? -- Alex Vinokur mailto:alexvn AT connect DOT to http://mathforum.org/library/view/10978.html -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/