{ lib, pkgs, ... }:
{

  options.bchmnn = {
    bsprak = {
      enable = lib.mkEnableOption "bsprak";
    };
  };

  config = {
    environment = {
      # Tell nix to link header files of all installed packages
      # in /run/current-system/sw/include
      pathsToLink = [ "/include" ];
      variables = {
        # Tell compilers where to find the header files
        CPATH = "/run/current-system/sw/include";
        # Tell linker where to find shared objects
        LIBRARY_PATH = "/run/current-system/sw/lib";
      };
      systemPackages = with pkgs; [
        git
        gcc
        gnumake
        cmake
        python3
        ninja
        texinfo
        pkg-config
        bison
        flex
        curl

        # the `.dev` syntax tells nix to also provide header files
        gmp
        gmp.dev
        mpfr
        mpfr.dev
        libmpc
        glib
        glib.dev
        pixman
        expat
        expat.dev
        ncurses5
        ncurses5.dev
      ];
    };
  };

}