anchor.diff:                  }
   
                   pkgs=\"\"
  -                for i in \$NIX_GCC ${toString buildInputs}; do
  +                for i in \$NIX_GCC ${toString realBuildInputs}; do
                       findInputs \$i
                   done
   
  
positive.code:         autoConfigureFlags = condConcat "" configFlags check;
          autoMakeFlags = condConcat "" buildFlags check;
          useConfig = getAttr ["useConfig"] false args;
          buildInputs = 
                  lib.closePropagation ((if useConfig then 
                          autoBuildInputs else 
                          getAttr ["buildInputs"] [] args)++
  
negative.code:         # for overrides..
  	builderDefsArgs = args;
  
          innerBuilderDefsPackage = bd: args: (
          let localDefs = bd.meta.function args; in
  
          stdenv.mkDerivation ((rec {
            inherit (localDefs) name;
  