anchor.diff:  
   in
   
  -# We need all these X libraries when building AWT with GTK+.
  -assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
  -
   stdenv.mkDerivation ({
     name = "${name}${if stripped then "" else "-debug"}-${version}" + crossNameAddon;
   
  
positive.code:         sha256 = ""; # TODO: uncomment and check hash when available.
        }) */
        ++ optional langFortran ../gfortran-driving.patch;
  
      xlibs = [
        libX11 libXt libSM libICE libXtst libXrender libXrandr libXi
        xproto renderproto xextproto inputproto randrproto
      ];
  
      /* Platform flags */
      platformFlags = let
  
negative.code: , libelf                      # optional, for link-time optimizations (LTO)
  , isl ? null # optional, for the Graphite optimization framework.
  , zlib ? null
  , enableMultilib ? false
  , enablePlugin ? hostPlatform == buildPlatform # Whether to support user-supplied plug-ins
  , name ? "gcc"
  