{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
    flake-utils.url  = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils, rust-overlay , ...}:
    let
      overlays = [ (import rust-overlay ) ];
    in {
      packages."x86_64-linux".default = 
        let
          pkgs = import nixpkgs {
            system = "x86_64-linux";
            inherit overlays;
          };
          native-deps = with pkgs; [
            pkg-config pipewire lld clang libclang alsa-lib openssl zlib libxkbcommon libGL wayland mangohud
          ];
        in 
          pkgs.mkShell {
            buildInputs = with pkgs; [
              (rust-bin.stable.latest.default.override {
                extensions = [ "rust-src" ];
                targets = ["x86_64-unknown-linux-gnu" "x86_64-pc-windows-gnu"];
              })
              cargo-bloat
              pkgs.pkgsCross.mingwW64.buildPackages.gcc
            ] ++ native-deps;
            LD_LIBRARY_PATH = (pkgs.lib.makeLibraryPath native-deps);
            CARGO_TARGET_X86_64_PC_WINDOWS_GNU_RUSTFLAGS = "-L native=${pkgs.pkgsCross.mingwW64.windows.pthreads}/lib";
          };
      packages."aarch64-darwin".default = 
        let
          pkgs = import nixpkgs {
            system = "aarch64-darwin";
            inherit overlays;
          };
          native-deps = with pkgs; [];
        in 
          pkgs.mkShell {
            buildInputs = with pkgs; [
              (rust-bin.stable.latest.default.override {
                extensions = [ "rust-src" ];
                targets = ["aarch64-apple-darwin" ];
              })
              cargo-bloat
            ] ++ native-deps;
          };
    };
    # flake-utils.lib.eachDefaultSystem (system:
    #   let 
    #     overlays = [ (import rust-overlay) ];
    #     pkgs = import nixpkgs {
    #       inherit system overlays;
    #     };
    #     native-deps = with pkgs; [
    #       pkg-config pipewire lld clang libclang alsa-lib openssl zlib libxkbcommon libGL wayland mangohud
    #     ];
    #   in 
    #   with pkgs;
    #   {
    #     devShells.default = mkShell {
    #       buildInputs = with pkgs; [
    #         (rust-bin.stable.latest.default.override {
    #           extensions = [ "rust-src" ];
    #           targets = ["x86_64-unknown-linux-gnu" "x86_64-pc-windows-gnu"];
    #         })
    #         cargo-bloat
    #         pkgs.pkgsCross.mingwW64.buildPackages.gcc
    #       ] ++ native-deps;
    #       LD_LIBRARY_PATH = (lib.makeLibraryPath native-deps);
    #       CARGO_TARGET_X86_64_PC_WINDOWS_GNU_RUSTFLAGS = "-L native=${pkgs.pkgsCross.mingwW64.windows.pthreads}/lib";
    #     };
    #   }
    # );
}