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| 14 Apr 2026 |
 siraben | https://github.com/NixOS/nixpkgs/pull/510065 SuperH cross compilation support | 20:19:59 |
| 15 Apr 2026 |
| siraben | https://github.com/NixOS/nixpkgs/pull/510160 Argonaut RISC Core (ARC) cross compilation support | 06:31:15 |
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 ortolanbunting3002 | What is the best way to add additional pkgsCross targets to my nixpkgs instantiation? | 21:10:53 |
 alexfmpe | huh? pkgsCross.foo is basically foo from https://github.com/NixOS/nixpkgs/blob/master/lib/systems/examples.nix | 21:55:14 |
| alexfmpe | do you mean ad-hoc anonymous targets? | 21:56:10 |
| alexfmpe | I think you just pass config etc inside --arg crossSystem
https://nixos.org/manual/nixpkgs/stable/#sec-cross-usage | 21:56:31 |
| 8 May 2026 |
| ortolanbunting3002 | I wanted to have one pkgs object with additional pkgsCross targets so that I would only have to instantiate nixpkgs once. But I now went over to instantiating it once for every target that I need. | 00:09:51 |
| ortolanbunting3002 | Are these bugs?
nix-build -E '(import <nixpkgs> { crossOverlays = [(_: _: {})]; }).glibc'
nix-build -E '(import <nixpkgs> { crossOverlays = [(_: _: {})]; }).buildPackages.perl.pkgs.GlibObjectIntrospection'
I'm getting infinte recursion.
I'm guessing crossOverlays don't work if localSystem == crossSystem. But maybe nixpkgs should error then?
And in the second case the target's packages probably leak into GlibObjectIntrospection's dependencies
| 00:18:12 |
| siraben | https://github.com/NixOS/nixpkgs/pull/462500 bmake cross compilation on darwin pr has been in review fro some time | 06:44:52 |
| siraben | * https://github.com/NixOS/nixpkgs/pull/462500 bmake cross compilation on darwin pr has been in review for some time | 06:44:55 |
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| 15 May 2026 |
 Nadia | does anyone know why clang for the cross system with useLLVM set (in a nix shell environment) would attempt to call gcc? | 13:14:03 |
| Nadia | it tries to call plain gcc and fails because it doesn't exist, if I include a gcc for the cross system in the shell it tries to call it but the compiler wrapper seems to pass clang flags to it | 13:15:18 |
| Nadia | (is nixpkgs even the right choice for cross compiling for embedded or should I just write my own derivations for building a toolchain?) | 13:25:02 |
| Nadia | unrelated question, how do I add more flags to gcc in the case class as -march/-mabi/etc? | 14:42:38 |
 Artturin | Show your mkShell expr | 14:44:13 |
| Artturin | Have you checked the env? | 14:44:37 |
