anchor.diff:      fi
     '';
   
  -  meta = with stdenv.lib; {
  +  meta = {
       description = "A tracepoint-based system tracing tool for Linux (with clients for other OSes)";
       license = licenses.gpl2;
       maintainers = [maintainers.raskin];
  
positive.code: {stdenv, fetchurl, fetchFromGitHub, cmake, luajit, kernel, zlib, ncurses, perl, jsoncpp, libb64, openssl, curl, jq, gcc, fetchpatch}:
  
  let
    inherit (stdenv.lib) optional optionalString;
    baseName = "sysdig";
    version = "0.15.0";
  in
  stdenv.mkDerivation rec {
    name = "${baseName}-${version}";
  
    src = fetchurl {
      name = "${name}.tar.gz";
      url = "https://github.com/draios/sysdig/archive/${version}.tar.gz";
      sha256 = "08spprzgx6ksd7sjp5nk7z5szdlixh2sb0bsb9mfaq4xr12gsjw2";
    };
  
    buildInputs = [
  
negative.code:     export KERNELDIR="${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
    '';
  
    libPath = makeLibraryPath [
      zlib
      luajit
      ncurses
  