anchor.diff:      (makeOverridable (import ../development/compilers/gcc-4.6) {
         inherit fetchurl stdenv texinfo gmp mpfr mpc libelf zlib
           cloog gettext which noSysDirs;
  -      ppl = callPackage ../development/libraries/ppl/0.11.nix { };
  +      ppl = ppl0_11;
         binutilsCross = binutilsCross;
         libcCross = libcCross;
         profiledCompiler = false;
  
positive.code:   povray = callPackage ../tools/graphics/povray { };
  
    ppl = callPackage ../development/libraries/ppl { };
  
    /* WARNING: this version is unsuitable for using with a setuid wrapper */
    ppp = builderDefsPackage (import ../tools/networking/ppp) {
  
negative.code:   gcc46_real = lowPrio (wrapGCC (makeOverridable (import ../development/compilers/gcc-4.6) {
      inherit fetchurl stdenv texinfo gmp mpfr mpc libelf zlib perl
        cloog gettext which noSysDirs;
      ppl = ppl0_11;
      
      # bootstrapping a profiled compiler does not work in the sheevaplug:
      # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43944
  