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ocamlPackages.dune-configurator: workaround clang arg order bug #356054

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reorder compiler arguments so the c code file name is last. this works around a bug in clang which can indicate the compiler supports an argument when it does not.

ocaml/dune#11123
llvm/llvm-project#116278

this will allow various ocaml modules to build using clang-17 and greater.

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:
  • 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/)
  • 25.05 Release Notes (or backporting 24.11 and 25.05 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.

Add a 👍 reaction to pull requests you find important.

reorder compiler arguments so the c code file name is last. this works
around a bug in clang which can indicate the compiler supports an
argument when it does not.

`https://github.com/ocaml/dune/pull/11123`
`https://github.com/llvm/llvm-project/issues/116278`
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