diff -urN freeciv-2.1.3/m4/ggz.m4 freeciv-2.1.3.new/m4/ggz.m4
--- freeciv-2.1.3/m4/ggz.m4	2008-04-11 19:19:23.313727512 +0200
+++ freeciv-2.1.3.new/m4/ggz.m4	2008-04-11 19:18:45.141902683 +0200
@@ -999,7 +999,7 @@
       AC_GGZ_GGZDMOD([ggz_server="yes"], [ggz_server="no"])
     fi
     if test "$ggz_server" = "yes"; then
-      AC_GGZ_SERVER
+      AC_GGZ_SERVER([], [force])
       AC_DEFINE(GGZ_SERVER, 1, [Server support for GGZ])
     else
       if test "$try_ggz_server" = "yes"; then