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

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

import ./generic.nix (args // rec {
  version = "3.12.63";
  extraMeta.branch = "3.12";

  src = fetchurl {
    url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
    sha256 = "0srg7xd68n10b28c3l5qa4dx5qr84ci7fdn48wcj79y7h2s0367x";
  };

  kernelPatches = args.kernelPatches;

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