anchor.diff:      inherit fetchurl stdenv;
     };
   
  +  libpcap = (import ../development/libraries/libpcap) {
  +    inherit fetchurl stdenv flex bison;
  +  };
  +
     mesa = (import ../development/libraries/mesa) {
       inherit fetchurl stdenv xlibs;
     };
  
positive.code:     inherit fetchurl stdenv;
    };
  
  }
  
negative.code:     inherit fetchurl stdenv ncurses openssl boehmgc gettext;
    };
  
    ethereal = (import ../applications/networking/sniffers/ethereal) {
      inherit fetchurl stdenv perl pkgconfig libpcap;
      inherit (gtkLibs) glib;
    };
  
    gaim = (import ../applications/networking/instant-messengers/gaim) {
      inherit fetchurl stdenv pkgconfig perl libxml2 openssl nss;
      inherit (gtkLibs) glib gtk;
  