| 5 Jun 2025 |
 Tristan Ross | Or is it this? https://github.com/NixOS/nixpkgs/issues/380604 | 15:53:04 |
| 6 Jun 2025 |
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| xenia | is it possible to build a cross toolchain for rust and llvm for bare metal thumbv8m.main-none-eabihf (ie raspberry pi pico 2) within nixpkgs from source
i patched lib/systems/parse.nix to allow "thumbv8m.main" as a cpu and i'm trying
crossSystem = {
config = "thumbv8m.main-none-eabihf";
libc = "newlib";
useLLVM = true;
rust.rustcTarget = "thumbv8m.main-none-eabihf";
};
and then attempting to build buildPackages.rustc and i'm immediately running into errors building compiler-rt
i can post logs/a complete example but like my first question is whether this is a path worth following at all? has anyone ever done something like this? | 03:15:45 |
 K900 | Doubt it, you'll need some weird stdenv | 06:30:40 |
| K900 | And newlib probably isn't it | 06:30:44 |
| Tristan Ross | The compiler-rt errors are likely the ones everyone else is having with other things. Though, I can't try it unless I know what was changed with lib/systems/parse.nix | 16:08:41 |
| Tristan Ross | It's possible compiler-rt could support thumbv8m, not entirely sure | 16:10:31 |
| 7 Jun 2025 |
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| 8 Jun 2025 |
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 loudgolem | does electron/chrome cross compile on nixpkgs? eg. electron-unwrapped-aarch64-unknown-linux-gnu-35.5.1
I get this warning many times
pkgs/build-support/cc-wrapper/add-clang-cc-cflags-before.sh
30: echo "Warning: supplying the --target $targetValue != @defaultTarget@ argument to a nix-wrapped compiler may not work correctly - cc-wrapper is currently not designed with multi-target compilers in mind. You may want to use an un-wrapped compiler instead." >&2
| 16:29:36 |
