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

    crane = {
      url = "github:ipetkov/crane";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    flake-utils.url = "github:numtide/flake-utils";

    kile-src = {
      url = "gitlab:snakedye/kile";
      flake = false;
    };
  };

  outputs = {
    self,
    nixpkgs,
    crane,
    flake-utils,
    kile-src,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};
      # import nixpkgs {
      #   inherit system;
      # };

      craneLib = crane.lib.${system};
      kile = craneLib.buildPackage {
        src = kile-src;

        buildInputs = with pkgs; [
          wayland
        ];

        # Additional environment variables can be set directly
        # MY_CUSTOM_VAR = "some value";
      };
    in {
      checks = {
        inherit kile;
      };

      packages.default = kile;

      apps.default = flake-utils.lib.mkApp {
        drv = kile;
      };

      devShells.default = craneLib.devShell {
        # Inherit inputs from checks.
        checks = self.checks.${system};

        # Additional dev-shell environment variables can be set directly
        # MY_CUSTOM_DEVELOPMENT_VAR = "something else";

        # Extra inputs can be added here; cargo and rustc are provided by default.
        packages = [
          # pkgs.ripgrep
        ];
      };
    });
}