anchor.diff:        else null;
     }));
   
  -  gcc46_real = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.6 {
  +  gcc46 = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.6 {
       inherit noSysDirs;
   
       # bootstrapping a profiled compiler does not work in the sheevaplug:
  
positive.code: 
    gccgo = gccgo48;
  
    gccgo48 = wrapGCC (gcc48_real.gcc.override {
      name = "gccgo";
      langCC = true; #required for go.
      langC = true;
  
negative.code:       then gnu.libpthreadCross
        else null;
    }));
  
    gcc45_realCross = lib.addMetaAttrs { hydraPlatforms = []; }
      (makeOverridable (import ../development/compilers/gcc/4.5) {
  