anchor.diff:  , xdg_utils, yasm, minizip, libwebp
   , libusb1, pciutils, nss, re2, zlib
   
  -, python2Packages, perl, pkgconfig, clang-tools
  +, python2Packages, perl, pkgconfig
   , nspr, systemd, kerberos
   , utillinux, alsaLib
   , bison, gperf
  
positive.code:       ln -s ${stdenv.cc}/bin/clang              third_party/llvm-build/Release+Asserts/bin/clang
        ln -s ${stdenv.cc}/bin/clang++            third_party/llvm-build/Release+Asserts/bin/clang++
        ln -s ${llvmPackages.llvm}/bin/llvm-ar    third_party/llvm-build/Release+Asserts/bin/llvm-ar
      '' + optionalString (stdenv.lib.versionAtLeast version "82") ''
        ln -s ${llvm-clang-tools}/bin/clang-format buildtools/linux64/clang-format
      '';
  
      gnFlags = mkGnFlags ({
  
negative.code:        then warn "chromium: stable version ${stable-version} is newer than a patchset bounded at ${upto-version}. You can safely delete it."
              result
         else result;
  
    base = rec {
      name = "${packageName}-unwrapped-${version}";
  