flake.nix

{
  description = "A Nix-flake-based Python development environment";

  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";

  outputs = { self, nixpkgs }: let
    supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
    forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
      pkgs = import nixpkgs { inherit system; };
    });
    in {
      devShells = forEachSupportedSystem ({ pkgs }: {
        default = pkgs.mkShell {
          packages = with pkgs; [
            (python312.withPackages (ppkgs: with ppkgs; [
              pip
            ]))

            llvm_18
            cmake # need for finding ZLIB::ZLIB LLVM cmake dependency
            libxml2
            libffi
            libpfm
          ];
        };
      });
    };
}