anchor.diff:      # Rebuild binutils to use from stage2 onwards.
       overrides = self: super: {
         binutils = super.binutils.override { gold = false; };
  -      inherit (prevStage) glibc gcc-unwrapped coreutils gnugrep;
  +      inherit (prevStage)
  +        ccWrapperStdenv
  +        glibc gcc-unwrapped coreutils gnugrep;
   
         # A threaded perl build needs glibc/libpthread_nonshared.a,
         # which is not included in bootstrapTools, so disable threading.
  
positive.code: 
      overrides = self: super: {
        inherit (prevStage)
          binutils gcc-unwrapped coreutils gnugrep
          perl paxctl gnum4 bison;
        # This also contains the full, dynamically linked, final Glibc.
  
negative.code:           libc = prevStage.glibc;
            inherit (prevStage) binutils coreutils gnugrep;
            name = name;
            stdenv = prevStage.ccWrapperStdenv;
          };
  
          extraAttrs = {
  