anchor.diff: -{ lib, stdenv, fetchurl, perl }:
  +{ lib
  +, stdenv
  +, fetchurl
  +, perl
  +}:
   
   stdenv.mkDerivation rec {
     pname = "cpuid";
  -  version = "20201006";
  +  version = "20211031";
   
     src = fetchurl {
  -    name = "${pname}-${version}.src.tar.gz";
       url = "http://etallen.com/cpuid/${pname}-${version}.src.tar.gz";
  -    sha256 = "19jnkh57f979b78ak5mpxmdvnkgc33r55cw9shgd2hc380b3zi8k";
  +    sha256 = "13sxb2ar4gypiv0l87lr7hf3qjccwgsg1r92adv9jvrfxcv36pbn";
     };
   
     # For pod2man during the build process.
  -  nativeBuildInputs = [ perl ];
  +  nativeBuildInputs = [
  +    perl
  +  ];
   
     # As runtime dependency for cpuinfo2cpuid.
  -  buildInputs = [ perl ];
  +  buildInputs = [
  +    perl
  +  ];
   
     # The Makefile hardcodes $(BUILDROOT)/usr as installation
     # destination. Just nuke all mentions of /usr to get the right
  
positive.code:       Intel, AMD, VIA, Hygon, and Zhaoxin CPUs, as well as older Transmeta,
        Cyrix, UMC, NexGen, Rise, and SiS CPUs.
      '';
  
      platforms = [ "i686-linux" "x86_64-linux" ];
      license = lib.licenses.gpl2;
      homepage = "http://etallen.com/cpuid.html";
      maintainers = with lib.maintainers; [ blitz ];
    };
  
  }
  
negative.code:     fi
    '';
  
    meta = with lib; {
      description = "Linux tool to dump x86 CPUID information about the CPU";
      longDescription = ''
        cpuid dumps detailed information about the CPU(s) gathered from the CPUID
  