{
  inputs.nixpkgs.url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz";

  outputs =
    { self, ... }@inputs:
    let
      inherit (inputs.nixpkgs) lib;
      forAllSystems =
        function:
        lib.genAttrs lib.systems.flakeExposed (system: function inputs.nixpkgs.legacyPackages.${system});
    in
    {
      formatter = forAllSystems (pkgs: pkgs.nixfmt);
      devShells = forAllSystems (pkgs: {
        default = pkgs.mkShellNoCC {
          shellHook = ''
            	    export XBMK_THREADS=`nproc`
            	  '';
          packages = with pkgs; [
            m4
            pkg-config
            autoconf
            automake
            libtool
            acpica-tools
            gcc-arm-embedded
            autogen
            bison
            cdrtools
            cmake
            curl
            doxygen
            dtc
            e2fsprogs
            flex
            freetype
            fuse
            gawk
            gnat
            gdb
            gettext
            git
            help2man
            innoextract
            libftdi
            libgpiod
            libjaylink
            libpciaccess
            libusb1
            nasm
            ncurses.dev
            openssl.dev
            p7zip
            ccache
            less
            libx86
            pandoc
            parted
            pciutils
            (perl.withPackages (ps: with ps; [ libwwwperl ]))
            (python3.withPackages (ppkgs: with ppkgs; [ setuptools ]))
            rsync
            sharutils
            subversion
            swig
            texinfo
            dejavu_fonts
            unar
            unzip
            wget
            xz
            zlib
            mtools
            unifont # patch this
            # pkgsCross.mipsel-linux-gnu.binutils
            # pkgsCross.mipsel-linux-gnu.gcc
          ];
        };
      });
    };
}