anchor.diff: -{ stdenv, fetchurl, kernel }:
  +{ stdenv, fetchurl, fetchpatch, kernel }:
   
   let
     version = "6.30.223.271";
  
positive.code:     ./linux-4.7.patch
      ./null-pointer-fix.patch
      ./gcc.patch
    ];
  
    makeFlags = "KBASE=${kernel.dev}/lib/modules/${kernel.modDirVersion}";
  
negative.code: 
    src = fetchurl {
      url = "http://www.broadcom.com/docs/linux_sta/${tarball}";
      sha256 = hashes."${stdenv.system}";
    };
  
    hardeningDisable = [ "pic" ];
  