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Re: Reproducible Research Hackathon: Friday, July 3rd

From: Ludovic Courtès
Subject: Re: Reproducible Research Hackathon: Friday, July 3rd
Date: Mon, 13 Jul 2020 15:41:59 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Hi Konrad,

Konrad Hinsen <> skribis:

> There is an interesting issue left for me to explore, which is why
> Python 2.4 compiled with today's gcc has a bug that it definitely didn't
> have back then. It's probably related to the many intentional
> ambiguities in the C language standard, check out John Regehr's blog
> ( for interesting examples. That could become a
> selling point for Guix because we have the option of compiling old
> software with old compilers, which is hard with other infrastructures.

Apologies for the delay.  What was this bug exactly?

I know Bonface addressed an issue related to how the Python 2.4 build
system would capture the kernel version via ‘uname’ a build time:

But presumably you’re referring to something else, right?


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