{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    devkitNix.url = "github:bandithedoge/devkitNix";
    makerom = {
      flake = false;
      url = "github:/3DSGuy/Project_CTR";
    };
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    devkitNix,
    makerom,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (
      system: let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [devkitNix.overlays.default];
        };
      in {
        devShells.default =
          pkgs.mkShell.override {
            stdenv = pkgs.devkitNix.stdenvARM;
          } {
            packages = [self.packages.${pkgs.system}.makerom];
          };
        packages = {
          default = pkgs.devkitNix.stdenvARM.mkDerivation {
            name = "print3d";
            src = ./.;
            buildInputs = [pkgs.imagemagick pkgs.which];

            # makeFlags = ["TARGET=example"];
            installPhase = ''
              mkdir $out
              cp 3ds.3dsx $out
            '';
          };
          makerom =
            pkgs.stdenv.mkDerivation
            {
              name = "makerom";
              src = "${makerom}/makerom";

              buildInputs = let
                pkgDep = name:
                  pkgs.stdenv.mkDerivation {
                    inherit name;
                    src = "${makerom}/makerom/deps/${name}";

                    installPhase = ''
                      mkdir -p $out/lib
                      cp bin/${name}.a $out/lib
                    '';
                  };
              in [
                (pkgDep "libblz")
                (pkgDep "libmbedtls")
                (pkgDep "libyaml")
              ];
              installPhase = ''
                mkdir -p $out/bin
                cp bin/makerom $out/bin
              '';
            };
        };
      }
    );
}