-extern xbt_lib_t host_lib;
-extern int ROUTING_HOST_LEVEL; //Routing level
-extern int SURF_CPU_LEVEL; //Surf cpu level
-extern int SURF_WKS_LEVEL; //Surf workstation level
-extern int SIMIX_HOST_LEVEL; //Simix level
-extern int MSG_HOST_LEVEL; //Msg level
-extern int SD_HOST_LEVEL; //Simdag level
-extern int COORD_HOST_LEVEL; //Coordinates level
-extern int NS3_HOST_LEVEL; //host node for ns3
-
-extern xbt_lib_t link_lib;
-extern int SD_LINK_LEVEL; //Simdag level
-extern int SURF_LINK_LEVEL; //Surf level
-extern int NS3_LINK_LEVEL; //link for ns3
-
-extern xbt_lib_t as_router_lib;
-extern int ROUTING_ASR_LEVEL; //Routing level
-extern int COORD_ASR_LEVEL; //Coordinates level
-extern int NS3_ASR_LEVEL; //host node for ns3
-
-extern xbt_lib_t storage_lib;
-extern int ROUTING_STORAGE_LEVEL; //Routing storage level
-extern int ROUTING_STORAGE_HOST_LEVEL;
-extern int SURF_STORAGE_LEVEL;
-
-extern xbt_lib_t storage_type_lib;
-extern int ROUTING_STORAGE_TYPE_LEVEL; //Routing storage_type level
-
-/* The callbacks to register for the routing to work */
-void routing_AS_begin(const char *AS_id, int wanted_routing_type);
-void routing_AS_end(void);
+SG_BEGIN_DECL()
+
+// FIXME: this header file should die
+
+XBT_PUBLIC_DATA(int) SIMIX_STORAGE_LEVEL; //Simix storage level
+
+XBT_PUBLIC_DATA(xbt_lib_t) storage_lib;
+XBT_PUBLIC_DATA(int) ROUTING_STORAGE_LEVEL; //Routing storage level
+XBT_PUBLIC_DATA(int) ROUTING_STORAGE_HOST_LEVEL;
+XBT_PUBLIC_DATA(int) SURF_STORAGE_LEVEL; // Surf storage level
+XBT_PUBLIC_DATA(xbt_lib_t) file_lib;
+XBT_PUBLIC_DATA(xbt_lib_t) storage_type_lib;
+XBT_PUBLIC_DATA(int) ROUTING_STORAGE_TYPE_LEVEL; //Routing storage_type level
+
+SG_END_DECL()