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improving binary reproducible builds to assist in binary patch management

At Thu, 17 Dec 2009 00:27:16 +0700, Robert Elz <kre%munnari.OZ.AU@localhost> 
Subject: Re: Sets, subsets, syspkgs, and MK*
> That work was done in (slightly) the wrong way - largely it consisted
> in moving all of the dates out of the binary files.  That was a mistake.
> What should have been done was to put a constant date into the files,
> the date when the release was announced (or last built before being
> announced, or anything else that takes the release engineer's fancy).

Indeed!  I think it should still be fixed as you say:

> That is, rather than 0, stick a constant there - as long as the constant
> isn't lost, it is just as reproducible, but also means that we can easily
> make a different set of binaries (for example, a binary patch could
> update the date to the patch release date in files that are patched,
> so tracking patch installation is much cleaner).

                                                Greg A. Woods
                                                Planix, Inc.

<>       +1 416 218 0099

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