[anund]

Fixes building with llvm 23 build system changes. Extracted from the rocm specific solution found by @randomizedcoder here. Fix rebuilt from scratch. Appears to be failing since llvm 23 was added (hydra).

Things done

• Fits CONTRIBUTING.md, pkgs/README.md, maintainers/README.md and other READMEs.
• Follows the automation/AI policy.
• Built on platform:
  • x86_64-linux
  • aarch64-linux
  • aarch64-darwin
• Tested, as applicable:
  • Basic functionality of all binary files, usually in ./result/bin/.
  • Ran nixpkgs-review on this PR. See nixpkgs-review usage.
  • Package tests at passthru.tests.
  • NixOS tests in nixos/tests.
  • Tests in lib/tests or pkgs/test for functions and "core" functionality.
• Nixpkgs Release Notes
  • Package update: when the change is major or breaking.
• NixOS Release Notes
  • Module addition: when adding a new NixOS module.
  • Module update: when the change is significant.

[anund]

nixpkgs-review result

Generated using nixpkgs-review.

Command: nixpkgs-review --package llvmPackages_22.openmp --package rocmPackages.llvm.openmp --package llvmPackages_23.openmp
Commit: ca375b111a0785221584a4d582a6ee2e580bf534

---

x86_64-linux

✅ 3 packages built:

• llvmPackages_23.openmp
• llvmPackages_22.openmp
• rocmPackages.llvm.openmp

[anund]

Also helps with

• Tracking: x86_64-linux packages that have never built successfully on Hydra #566956

And may help

• Tracking: aarch64-linux packages that have never built successfully on Hydra #565344
• Tracking: Darwin packages that have never built successfully on Hydra #563742

[anund]

Superseded by #575569