diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7298d8d901d2..b429c48f9946 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7550,11 +7550,11 @@ let
   thunderbird3 = lowPrio (import ../applications/networking/mailreaders/thunderbird-3.x {
     inherit fetchurl stdenv pkgconfig perl zip libjpeg zlib cairo
       python dbus dbus_glib freetype fontconfig bzip2 libpng alsaLib sqlite
-      patchelf;
+      patchelf nspr;
     inherit (gtkLibs) gtk pango;
     inherit (gnome) libIDL;
     #enableOfficialBranding = true;
-    xulrunner = xulrunner3;
+    xulrunner = xulrunner35;
     autoconf = autoconf213;
   });*/
 
@@ -8141,6 +8141,12 @@ let
     inherit fetchurl stdenv readline;
   };
 
+  ncbiCTools = builderDefsPackage ../development/libraries/ncbi {
+    inherit tcsh mesa lesstif;
+    inherit (xlibs) libX11 libXaw xproto libXt libSM libICE 
+      libXmu libXext;
+  };
+
   ncbi_tools = import ../applications/science/biology/ncbi-tools {
     inherit fetchurl stdenv cpio;
   };