Index: library/mongodb/configure.ac
===================================================================
diff -u -r1c9684a6be93da0beb9e73d6ff02ed2b6f014c19 -r6e882219b3dd7703aeb3bb747abc47417a682ec9
--- library/mongodb/configure.ac	(.../configure.ac)	(revision 1c9684a6be93da0beb9e73d6ff02ed2b6f014c19)
+++ library/mongodb/configure.ac	(.../configure.ac)	(revision 6e882219b3dd7703aeb3bb747abc47417a682ec9)
@@ -59,7 +59,11 @@
 AC_ARG_ENABLE([profile],
 	AS_HELP_STRING([--enable-profile], [build nsf with profile support (default: disabled)]),
         [enable_profile=$enableval], [enable_profile=no])
+AC_ARG_ENABLE([assertions],
+	AS_HELP_STRING([--enable-assertions],[build nsf with assertion support (default: enabled)]),
+	[enable_assertions=$enableval], [enable_assertions=yes])
 
+
 #--------------------------------------------------------------------
 # Load the tclConfig.sh file
 #--------------------------------------------------------------------