anchor.diff:  assert aclSupport -> acl != null;
   assert selinuxSupport -> ( (libselinux != null) && (libsepol != null) );
   
  -stdenv.mkDerivation (rec {
  -  name = "coreutils-8.14";
  +stdenv.mkDerivation rec {
  +  name = "coreutils-8.15";
   
     src = fetchurl {
       url = "mirror://gnu/coreutils/${name}.tar.xz";
  -    sha256 = "0bdh31fvd0ng2sqrrbz0a4yy084hmj76pbljksqyv4ljq4bhh4hd";
  +    sha256 = "176lgw810xw84c6fz5xwhydxggkndmzggl0pxqzldbjf85vv6zl3";
     };
   
     buildNativeInputs = [ perl xz ];
  
positive.code: 
    enableParallelBuilding = true;
  
    meta = {
      homepage = http://www.gnu.org/software/coreutils/;
      description = "The basic file, shell and text manipulation utilities of the GNU operating system";
  
negative.code: 
      maintainers = [ stdenv.lib.maintainers.ludo ];
    };
  }
  
  