anchor.diff:  
     bin_replace_string = callPackage ../development/tools/misc/bin_replace_string { };
   
  -  binutils = if stdenv.isDarwin then darwin.binutils else binutils-raw;
  +  binutils = binutils-raw;
   
     binutils-raw = callPackage ../development/tools/misc/binutils { inherit noSysDirs; };
   
  
positive.code:     withMesa = lib.elem system mesa_noglu.meta.platforms;
    };
  
    wxmac = callPackage ../development/libraries/wxmac {
      inherit (darwin.apple_sdk.frameworks) AGL Cocoa Kernel QuickTime;
      inherit (darwin.stubs) setfile rez derez;
    };
  
    wtk = callPackage ../development/libraries/wtk { };
  
  
negative.code: 
    vdpauinfo = callPackage ../tools/X11/vdpauinfo { };
  
    vim = callPackage ../applications/editors/vim { };
  
    macvim = callPackage ../applications/editors/vim/macvim.nix { stdenv = clangStdenv; };
  
    vimHugeX = vim_configurable;
  
    vim_configurable = vimUtils.makeCustomizable (callPackage ../applications/editors/vim/configurable.nix {
  
      features = "huge"; # one of  tiny, small, normal, big or huge
      gui = config.vim.gui or "auto";
  