From owner-freebsd-hackers@FreeBSD.ORG  Tue Oct 12 16:02:52 2004
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Date: Tue, 12 Oct 2004 18:01:38 +0200
From: Joerg Sonnenberger <joerg@britannica.bec.de>
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Subject: Re: Why present different size and md5 hash  between the compiled
	code and FreeBSD's build-in binary ?
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On Tue, Oct 12, 2004 at 01:11:09PM +0200, Andreas Kohn wrote:
> if your source files are *exactly* the same versions used as on the
> building cluster, and you have *exactly* the same compilation options,
> it would still be possible to have different binaries. For example if
> the files included some reference to the current time, either in some
> flags in the generated .o, .a, .so, or perhaps in the source code of
> auto-generated headers. Some paths referenced could also be different on
> your system than on the build cluster.

To be more precisely, GCC/binutils add timestamps under certain
circumstances.

Joerg