anchor.diff:    # Various changes for 64-bit sunxi boards, (hopefully) destined for 2018.05
     sunxiPatch = fetchpatch {
       name = "sunxi.patch";
  -    url = "https://github.com/u-boot/u-boot/compare/v2018.03...dezgeg:2018-03-sunxi.patch";
  -    sha256 = "1pqn7c6c06hfygwpcgaraqvqxcjhz99j0rx5psfhj8igy0qvk2dq";
  +    url = "https://github.com/u-boot/u-boot/compare/v2018.05...dezgeg:2018-05-sunxi.patch";
  +    sha256 = "1dfv4s1f71iv80vjxgyghv4pcwjv4mjphk75a8hfl3jdbpd66d36";
     };
   
     buildUBoot = { filesToInstall
  
positive.code:     hardeningDisable = [];
      dontStrip = false;
      extraMeta.platforms = stdenv.lib.platforms.linux;
      # build tools/kwboot
      extraMakeFlags = [ "CONFIG_KIRKWOOD=y" "CROSS_BUILD_TOOLS=1" "NO_SDL=1" "tools" ];
      postConfigure = ''
        sed -i '/CONFIG_SYS_TEXT_BASE/c\CONFIG_SYS_TEXT_BASE=0x00000000' .config
      '';
  
negative.code:            stdenv.mkDerivation (rec {
  
      name = "uboot-${defconfig}-${version}";
      version = "2018.05";
  
      src = fetchurl {
        url = "ftp://ftp.denx.de/pub/u-boot/u-boot-${version}.tar.bz2";
        sha256 = "0j60p4iskzb4hamxgykc6gd7xchxfka1zwh8hv08r9rrc4m3r8ad";
      };
  
      patches = [
        (fetchpatch {
          url = https://github.com/dezgeg/u-boot/commit/rpi-2018-05-patch1.patch;
          sha256 = "0xvw16mp6mm36987rd5yb8bw0n5b3p1gq35wch2gbj15wx55450p";
        })
        (fetchpatch {
          url = https://github.com/dezgeg/u-boot/commit/rpi-2018-05-patch2.patch;
          sha256 = "0q1a5l5rfgddncxrjk59qr1f5587dwbvcf6z15bsfl2invs19m2b";
        })
        (fetchpatch {
          url = https://github.com/dezgeg/u-boot/commit/pythonpath-2018-03.patch;
  