Making gdbm get the proper config.guess for it to build in the Fuloong 2f.

I could not find a newer gdbm with newer config.guess.

svn path=/nixpkgs/branches/stdenv-updates/; revision=22979

pkgs/development/libraries/gdbm/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl }:
+{ stdenv, fetchurl, automake }:
 
 stdenv.mkDerivation rec {
   name = "gdbm-1.8.3";
@@ -9,6 +9,11 @@ stdenv.mkDerivation rec {
 
   patches = [ ./install.patch ];
 
+  # The fuloong2f is not supported by gdbm 1.8.3 still
+  preConfigure = ''
+    cp ${automake}/share/automake*/config.{sub,guess} .
+  '';
+
   meta = {
     description = "GNU DBM key/value database library";
     homepage = http://www.gnu.org/software/gdbm/;