anchor.diff:  
     openssh = import ../tools/networking/openssh {
       inherit fetchurl stdenv zlib openssl pam perl;
  -    pamSupport = true;
  +    pamSupport = getPkgConfig "openssh" "pam" true;
     };
   
     p7zip = import ../tools/archivers/p7zip {
  
positive.code:   disnix = import ../tools/package-management/disnix {
      inherit stdenv fetchsvn openssl dbus autoconf automake pkgconfig dbus_glib;
    };
    
    DisnixService = import ../tools/package-management/disnix/DisnixService {
      inherit stdenv fetchsvn apacheAnt jdk axis2;
    };
    
    ntfs3g = import ../misc/ntfs-3g {
      inherit fetchurl stdenv fuse pkgconfig utillinux;
    };
  
negative.code:   });
  
    webkit = builderDefsPackage (import ../development/libraries/webkit) {
      inherit (gtkLibs) gtk atk pango;
      inherit freetype fontconfig gettext gperf curl
        libjpeg libtiff libpng libxml2 libxslt sqlite
        icu cairo perl intltool automake libtool
        pkgconfig autoconf;
      flex = flex2535;
      bison = bison23;
  