anchor.diff:      hostSystem = system;
     });
   
  -  iso_graphical = forAllSystems (system: makeIso {
  -    module = ./modules/installer/cd-dvd/installation-cd-graphical.nix;
  +  iso_graphical = genAttrs [ "x86_64-linux" ] (system: makeIso {
  +    module = ./modules/installer/cd-dvd/installation-cd-graphical-kde.nix;
       type = "graphical";
       inherit system;
     });
   
     # A variant with a more recent (but possibly less stable) kernel
     # that might support more hardware.
  -  iso_minimal_new_kernel = forAllSystems (system: makeIso {
  +  iso_minimal_new_kernel = genAttrs [ "x86_64-linux" ] (system: makeIso {
       module = ./modules/installer/cd-dvd/installation-cd-minimal-new-kernel.nix;
       type = "minimal-new-kernel";
       targetSystem = system;
  
positive.code: 
  
    # A bootable VirtualBox virtual appliance as an OVA file (i.e. packaged OVF).
    ova = forAllSystems (system:
  
      with import nixpkgs { inherit system; };
  
  
negative.code: { nixpkgs ? { outPath = ./..; revCount = 56789; shortRev = "gfedcba"; }
  , stableBranch ? false
  , supportedSystems ? [ "x86_64-linux" ]
  }:
  
  with import ../lib;
  