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From: "Thompson, David" <dthompson2@worcester.edu>
To: Karl Semich <fuzzytew@gmail.com>
Cc: guix-devel <guix-devel@gnu.org>
Subject: Re: Deterministic Library Calls when Building
Date: Sun, 20 Mar 2016 08:51:01 -0400	[thread overview]
Message-ID: <CAJ=RwfY6V0a5L-zOG82_Xh7n5L2=nqJXWQLFvqA0zQKYt6ztuw@mail.gmail.com> (raw)
In-Reply-To: <CABnEbCEbe3FANSLD_CakFoAFER4ra4oc6+F=iEGBC55wTbjzCw@mail.gmail.com>

On Sun, Mar 20, 2016 at 6:04 AM, Karl Semich <fuzzytew@gmail.com> wrote:
> Hi,
>
> I recently learned about guix and I haven't found any information on
> approaching deterministic builds by changing library and kernel
> functions to have deterministic behavior.  Has anybody done this?
>
> For example, I would imagine if I needed timestamps to no longer be a
> factor, I might change how the current time is reported to the build
> environment, such that it is always precisely equal to the time of
> last modification of the source package.  Similarly /dev/*random
> should return deterministic numbers seeded by perhaps the hash of the
> source package and all dependencies.
>
> Has there been a discussion of this somewhere?

I'm not sure if there has been an on-the-record discussion of this
anywhere, but I have thought about similar things re: random numbers.
Maybe this thread is the time to discuss? :)

- Dave

  reply	other threads:[~2016-03-20 12:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-20 10:04 Deterministic Library Calls when Building Karl Semich
2016-03-20 12:51 ` Thompson, David [this message]
2016-03-20 16:53   ` Karl Semich
2016-03-20 17:35     ` Jookia
2016-03-20 21:05     ` Ludovic Courtès

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