{
  description = "A very basic flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs {
          inherit system;
          # overlays = [
          #   (final: prev: {
          #     rocmPackages_6 = final.callPackage ./pkgs/rocm-modules { };
          #   })
          # ];
        };
      in
      {
        packages = pkgs.callPackage ./pkgs/rocm-modules { };
        # build all pkgs as check
        # defaultPackage = self.packages.${system}.rocm-modules;
        #
        # devShells.default = pkgs.mkShell {
        #   buildInputs = [ self.packages.${system}.rocm-modules ];
        # };

      }
    )
    // {
      overlays.default = (
        final: prev: {
          rocmPackages = final.callPackage ./pkgs/rocm-modules { };
          rocmPackages_6 = final.rocmPackages;
        }
      );
    };
}