nix-ld-rs: init at 2024-03-23

[Mic92]

Description of changes

This pull requests add nix-ld-rs as an alternative implementation for nix-ld.
After a testing phase the plan is to merge nix-ld-rs into nix-ld.

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 24.05 Release Notes (or backporting 23.05 and 23.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[nixos-discourse]

This pull request has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/nix-ld-rs-testers-wanted/42145/1

[SuperSandro2000]

Maybe this would be a good point to also rework baseLibraries, so that any addition to it does not overwrite all default entries. https://github.com/NixOS/nixpkgs/blob/nixos-23.11/nixos/modules/programs/nix-ld.nix#L19C3-L19C17

[SuperSandro2000]

VSCode continues to work like before on WSL

[Mic92]

Maybe this would be a good point to also rework baseLibraries, so that any addition to it does not overwrite all default entries. https://github.com/NixOS/nixpkgs/blob/nixos-23.11/nixos/modules/programs/nix-ld.nix#L19C3-L19C17

Maybe they could be exposed as a readable option? Because there are cases where you want to override the default list. Anyway I find this is an orthogonal problem to the current PR, but keep the feedback in mind.

[SuperSandro2000]

If we set them in config, they could be overwritten completely with mkForce

[Mic92]

If we set them in config, they could be overwritten completely with mkForce

Feel free to make a pull request, but please also drop a release note item because nix-ld is widely used and this may be a surprising change.

[SuperSandro2000]

please see #299576