anchor.diff:  { fetchgit, pkgconfig, gettext, runCommand, makeWrapper
  -, elfutils, kernel, gnumake }:
  +, elfutils, kernel, gnumake, python2, pythonPackages, binutils }:
   let
     ## fetchgit info
     url = git://sourceware.org/git/systemtap.git;
  -  rev = "a10bdceb7c9a7dc52c759288dd2e555afcc5184a";
  -  sha256 = "1kllzfnh4ksis0673rma5psglahl6rvy0xs5v05qkqn6kl7irmg1";
  -  version = "2016-09-16";
  +  rev = "276ed27a3cc64531542ab73bb36bb04784e79bbc";
  +  sha256 = "11967dx3cjs96v3ncfljw0h7blsgg9wm8g9z2270q9a90988g2c2";
  +  version = "2017-02-04";
   
     inherit (kernel) stdenv;
     inherit (stdenv) lib;
  
positive.code:   rm $out/bin/stap
    makeWrapper $stapBuild/bin/stap $out/bin/stap \
      --add-flags "-r $kernelBuildDir" \
      --prefix PATH : ${lib.makeBinPath [ stdenv.cc.cc elfutils gnumake ]}
  ''
  
negative.code:   stapBuild = stdenv.mkDerivation {
      name = "systemtap-${version}";
      src = fetchgit { inherit url rev sha256; };
      buildInputs = [ elfutils pkgconfig gettext python2 pythonPackages.setuptools ];
      # FIXME: Workaround for bug in kbuild, where quoted -I"/foo" flags would get mangled in out-of-tree kbuild dirs
      postPatch = ''
        substituteInPlace buildrun.cxx --replace \
          'o << "EXTRA_CFLAGS += -I\"" << s.runtime_path << "\"" << endl;' \
          'o << "EXTRA_CFLAGS += -I" << s.runtime_path << endl;'
      '';
      enableParallelBuilding = true;
    };
  
  