anchor.diff:      rev = version;
       sha256 = "sha256-gVswAezHl7E2cBTJEQhPFXhHkzhWVHSpPF8m0s8+ekc=";
     };
  +
  +  patches = [
  +    # Pull upstream patch to fix parallel builds:
  +    #  https://github.com/Sysinternals/ProcDump-for-Linux/pull/133
  +    (fetchpatch {
  +      name = "parallel.patch";
  +      url = "https://github.com/Sysinternals/ProcDump-for-Linux/commit/0d735836f11281cc6134be93eac8acb302f2055e.patch";
  +      sha256 = "sha256-zsqllPHF8ZuXAIDSAPvbzdKa43uSSx9ilUKM1vFVW90=";
  +    })
  +  ];
   
     nativeBuildInputs = [ zlib ];
     buildInputs = [ bash coreutils gdb ];
  
positive.code: { lib, stdenv, fetchFromGitHub, bash, coreutils, gdb, zlib }:
  
  stdenv.mkDerivation rec {
    pname = "procdump";
  
negative.code:     "INSTALLDIR=/bin"
      "MANDIR=/share/man/man1"
    ];
  
    enableParallelBuilding = true;
  
    doCheck = false; # needs sudo root
  
  