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

  outputs = { self, nixpkgs }: {
    devShells = nixpkgs.lib.genAttrs [ "x86_64-linux" ] (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          config = {
            allowUnfree = true;
            cudaSupport = true;
          };
        };
      in {
        default = pkgs.mkShell {
          buildInputs = [ (pkgs.pcl.override { withCuda = pkgs.config.cudaSupport; }) ];
        };
      });
  };
}