core/pkgs/by-name/ga/gawk/packages.nix

{ ... }:
res: pkgs: super:

with pkgs; {
  gawk = callPackage ./. { inherit (darwin) locale; };

  gawk-with-extensions = callPackage ./gawk-with-extensions.nix { extensions = gawkextlib.full; };
  gawkextlib = callPackage ./gawkextlib.nix { };

  gawkInteractive = gawk.override { interactive = true; };
}