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To: cygwin AT cygwin DOT com
From: Shankar Unni <shankarunni AT netscape DOT net>
Subject: Re: Different executables of the same source
Date: Tue, 10 Feb 2004 18:50:11 -0800
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Message-ID: <c0c593$2mo$1@sea.gmane.org>
References: <8D861ADC5B8FD211B4100008C71EA7DA04F7140D AT kjsdemucshrexc1 DOT eu DOT pm DOT com>
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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.


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