nixpkgs/pkgs/os-specific/linux/kernel/linux-3.12.nix

{ stdenv, fetchurl, ... } @ args:

import ./generic.nix (args // rec {
  version = "3.12.5";

  src = fetchurl {
    url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
    sha256 = "48181474f3943f77c1e62bed676b09a9fed64364d5847ce14a45b8d947112719";
  };

  features.iwlwifi = true;
  features.efiBootStub = true;
  features.needsCifsUtils = true;
  features.canDisableNetfilterConntrackHelpers = true;
  features.netfilterRPFilter = true;
})