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NixOS RISC-V

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NixOS on RISC-V https://wiki.nixos.org/wiki/RISC-V https://pad.lassul.us/NixOS-riscv64-linux 67 Servers

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11 Apr 2025
@alex:tunstall.xyzAlex
In reply to @dramforever:matrix.org
it would be far easier to cross compile it on the host anyway...
Not necessarily. Cross is broken for a large number of packages.
07:58:10
@dramforever:matrix.orgdramforeverthat is true but i really doubt native is better07:58:27
@dramforever:matrix.orgdramforeverand one of them is like twenty times faster than the other07:59:06
@jnk:beeper.comJnk 📎 joined the room.10:40:03
@dramforever:matrix.orgdramforeverjokes on me, i think home-assistant-chip-wheels might actually be impossible to cross14:09:57
@dramforever:matrix.orgdramforeverbasically one of the steps of home-assistant-chip-wheels is to pip-compile (from piptools) a requirements file to lock it down14:13:24
@dramforever:matrix.orgdramforever (actually something like python3 --module piptools compile) 14:13:59
@dramforever:matrix.orgdramforeverhowever, i'm pretty sure there is no way to convince pip-compile to use a platform that is not the build platform14:14:30
12 Apr 2025
@misuzu:matrix.orgmisuzu
In reply to @alex:tunstall.xyz

Possibly because you're on a version after fgaz changed nixpkgs to disable the check when GHC is not available on the platform but before my changes to GHC for full cross-compilation support.

I had to break fgaz's fix otherwise you couldn't cross compile to platforms not already available as bindists from upstream.

https://github.com/NixOS/nixpkgs/issues/231537#issuecomment-2745384196
06:45:52
@alex:tunstall.xyzAlexOh nice, a new fix is merged (2024-12-08).06:50:33
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@implr:hackerspace.plimplrI didn't see your message earlier but I also came up with a stupider version of this in https://github.com/NixOS/nixpkgs/issues/397769, then also a pip error13:31:42
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@dramforever:matrix.orgdramforeveryes, my understanding is that the pkg-config patch is correct, whereas this piptools error is much more inherent13:32:41
@dramforever:matrix.orgdramforever essentially, piptools just does not support cross at all 13:33:10
@dramforever:matrix.orgdramforever

https://github.com/jazzband/pip-tools?tab=readme-ov-file#cross-environment-usage-of-requirementsinrequirementstxt-and-pip-compile

As the resulting requirements.txt can differ for each environment, users must execute pip-compile on each Python environment separately to generate a requirements.txt valid for each said environment.

13:33:22
14 Apr 2025
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17 Apr 2025
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18 Apr 2025
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19 Apr 2025
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21 Apr 2025
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@fgaz:matrix.orgfgaz STARPro64 out soon, ~250$ for 32GB https://pine64.com/product-category/starpro64/ 09:59:26
@aleksana:mozilla.orgaleksana 🏳️‍⚧️ (force me to bed after 18:00 UTC)
In reply to @fgaz:matrix.org
STARPro64 out soon, ~250$ for 32GB https://pine64.com/product-category/starpro64/
wrong link?
10:01:09
@alex:tunstall.xyzAlexRight link, broken site.10:01:26

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