anchor.diff:        sed -i /DEFAULT_SYS_DIR/d Makefile.in
         sed -i /DEFAULT_PROFILE_DIR/d conf/Makefile.in
       '';
  +
  +  enableParallelBuilding = true;
   
     #patches = [ ./purity.patch ];
   
  
positive.code: 
    src = fetchurl {
      url = "ftp://sources.redhat.com/pub/lvm2/releases/LVM2.${v}.tgz";
      sha256 = "1xa7hvp8bsx96nncgksxrqxaqcgipfmmpr8aysayb8aisyjvas0d";
    };
  
    configureFlags =
  
negative.code: { stdenv, fetchurl, pkgconfig, udev, utillinux, coreutils }:
  
  let
    v = "2.02.106";
  in
  
  stdenv.mkDerivation {
  