anchor.diff:      }
       else fetchurl {
         url = "mirror://gnu/glibc/glibc-${version}.tar.bz2";
  -      sha256 = "01vlr473skl08xpcjz0b4lw23lsnskf5kx9s8nxwa4mwa9f137vm";
  +      sha256 = "05hjz816a2hmzc44gxxi9vrdx6l9f23az794zj45xsxr94yfpy12";
       };
   
     # `fetchurl' is a function and thus should not be passed to the
  
positive.code: 
  let
    # For GNU/Hurd, see below.
    version = if hurdHeaders != null then "20100512" else "2.12.1";
  
    needsPortsNative = stdenv.isMips || stdenv.isArm;
    needsPortsCross = cross.arch == "mips" || cross.arch == "arm";
  
negative.code:     else needsPortsCross;
  
    srcPorts = fetchurl {
      # These should work equally well for 2.12.2
      url = "mirror://gnu/glibc/glibc-ports-2.12.1.tar.bz2";
      sha256 = "041ix0nq7nc5r7jf80jsdlw4idah2mjp5nf7khybhc4cs1kc31ir";
    };
  
  in
  