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Re: [PROPOSAL] time zones and reproducible builds (was: How to make grof
From: |
Deri |
Subject: |
Re: [PROPOSAL] time zones and reproducible builds (was: How to make groff use local timezone?) |
Date: |
Sun, 09 Jul 2023 19:47:42 +0100 |
On Sunday, 9 July 2023 19:26:36 BST Colin Watson wrote:
> On Sun, Jul 09, 2023 at 07:13:54PM +0100, Deri wrote:
> > It looks Ok, not tested. I'm happy for you to apply.
>
> Thanks.
>
> > Once gropdf moves to the font subsetting version it will cause a
> > problem for reproducible builds, since the gubbins inside the pdf
> > changes enormously, but it should look identical.
>
> The object of reproducible builds isn't to ensure that output never
> changes - it's understood that different versions of tools frequently
> generate different output. Rather, it's to ensure that if two different
> people run builds of the same inputs in sufficiently similar
> environments, they get the same outputs. (Characterizing "sufficiently
> similar" of course takes considerable work, but it usually involves at
> least pinning the same versions of all the build-dependencies.)
Understood, thank you.
Deri