anchor.diff:  
     manualConfig = makeOverridable (callPackage ../os-specific/linux/kernel/manual-config.nix {});
   
  -in
  -
  -{
  -  packages = recurseIntoAttrs packages;
  -  kernels = recurseIntoAttrs kernels;
  -  inherit packageAliases;
  -  inherit vanillaPackages rtPackages rpiPackages;
  -  inherit kernelPatches packagesFor hardenedPackagesFor;
  -
     customPackage = { version, src, configfile, allowImportFromDerivation ? true }:
       recurseIntoAttrs (packagesFor (manualConfig {
         inherit version src configfile lib stdenv allowImportFromDerivation;
       }));
  -
  -  inherit manualConfig;
   
     # Derive one of the default .config files
     linuxConfig = {
  
positive.code:     linux_libre = recurseIntoAttrs (packagesFor kernels.linux_libre);
  
      linux_latest_libre = recurseIntoAttrs (packagesFor kernels.linux_latest_libre);
    };
  
    packageAliases = {
      linux_default = packages.linux_5_10;
  
negative.code:     linux_rpi4 = packagesFor kernels.linux_rpi4;
    };
  
    packages = recurseIntoAttrs (vanillaPackages // rtPackages // rpiPackages // {
      linux_mptcp_95 = packagesFor kernels.linux_mptcp_95;
  
      # Intentionally lacks recurseIntoAttrs, as -rc kernels will quite likely break out-of-tree modules and cause failed Hydra builds.
  