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Re: reproducibility
From: |
Federico Beffa |
Subject: |
Re: reproducibility |
Date: |
Tue, 12 Jan 2016 21:11:47 +0100 |
On Sun, Jan 10, 2016 at 9:49 PM, Ludovic Courtès <address@hidden> wrote:
> Federico Beffa <address@hidden> skribis:
>
>> I've noticed that a derivation is a function of the order of the
>> inputs. As an example, the following two input orders give rise to two
>> distinct derivations:
>>
>> A)
>>
>> (inputs
>> `(("texlive" ,texlive)
>> ("texinfo" ,texinfo)
>> ("m4" ,m4)
>> ("libx11" ,libx11))
>>
>> B)
>> (inputs
>> `(("texinfo" ,texinfo)
>> ("texlive" ,texlive)
>> ("m4" ,m4)
>> ("libx11" ,libx11))
>>
>> Is this intentional?
>
> Yes. There are several places where order matters, most importantly
> search paths, and these are computed from the input lists.
If order matters, it would probably be more robust to force internally
a specific order rather than relying on the (often random) order
defined in a package recipe (possibly created by an importer, ...).
Fede