Re: Guix supported-systems option

[Julien Lepiller <julien@lepiller.eu>]

That's how it's done with some packages that need arch-specific things (inputs, build phases, …) so yes :)

Le 14 janvier 2023 23:01:49 GMT+01:00, phodina <phodina@protonmail.com> a écrit :
>Hi Julien,
>
>> I think you have multiple packages with the same name and version, but different supported systems. Am I right?
>
>you are correct. I have multiple package definitions as shown in the attached scheme file.
>
>The names and versions are exactly the same, just the origin differs and Guix picks "randomly" one of them.
>
>I did as you suggested to rename the packages - append the arch. This works in short term but I'd like to have one profile and just apply it on my laptop (x86_64) as well as on Raspberry Pi (aarch64, recently added to Guix by Stefan).
>
>Having different names will then not work or results in even bigger mess with if statements.
>
>> Now, supported-systems does not mean "remove this package on other architectures", but rather "can't build this on other architectures". So it's perfectly possible that guix will arbitrarily select a package for a different architecture.
>
>Well this is the reason I ask. I though this has deeper meaning as to tell Guix, okay you found a package with that name, but it's not for current architecture. So keep looking and if you don't find any other return this one with a warning that it's not supported.
>
>So the "right" way would be conditionally select the right origin for the package and use just one package definition with list of supported systems, right?
>
>----
>Petr