anchor.diff:  #
   #    bbswitch = callPackage ../os-specific/linux/bbswitch {};
   #
  -    ati_drivers_x11 = callPackage ../os-specific/linux/ati-drivers { };
  -#
   #    blcr = callPackage ../os-specific/linux/blcr { };
   #
  -    cryptodev = cryptodevHeaders.override {
  -      onlyHeaders = false;
  -      inherit kernel;
  -    };
  -
  -    cpupower = callPackage ../os-specific/linux/cpupower { };
  -
  -    e1000e = callPackage ../os-specific/linux/e1000e {};
  -#
   #    v4l2loopback = callPackage ../os-specific/linux/v4l2loopback { };
   #
   #    frandom = callPackage ../os-specific/linux/frandom { };
  
positive.code:   linux_latest = pkgs.linuxPackages_latest.kernel;
  #
  #  # Build the kernel modules for the some of the kernels.
    linuxPackages_3_18 = recurseIntoAttrs (pkgs.linuxPackagesFor pkgs.linux_3_18 pkgs.linuxPackages_3_18);
    linuxPackages_4_1 = recurseIntoAttrs (pkgs.linuxPackagesFor pkgs.linux_4_1 pkgs.linuxPackages_4_1);
    linuxPackages_4_3 = recurseIntoAttrs (pkgs.linuxPackagesFor pkgs.linux_4_3 pkgs.linuxPackages_4_3);
    linuxPackages_4_4 = recurseIntoAttrs (pkgs.linuxPackagesFor pkgs.linux_4_4 pkgs.linuxPackages_4_4);
    linuxPackages_testing = recurseIntoAttrs (pkgs.linuxPackagesFor pkgs.linux_testing pkgs.linuxPackages_testing);
    linuxPackages_custom = {version, src, configfile}:
                             let linuxPackages_self = (linuxPackagesFor (pkgs.linuxManualConfig {inherit version src configfile;
  
negative.code: #    psmouse_alps = callPackage ../os-specific/linux/psmouse-alps { };
  #
  #    seturgent = callPackage ../os-specific/linux/seturgent { };
  #
  #    sysdig = callPackage ../os-specific/linux/sysdig {};
  #
  