Index: trunk/src/obj_subc.c
===================================================================
--- trunk/src/obj_subc.c	(revision 14269)
+++ trunk/src/obj_subc.c	(revision 14270)
@@ -1357,6 +1357,17 @@
 	return chgly;
 }
 
+void pcb_subc_bind_globals(pcb_board_t *pcb, pcb_subc_t *subc)
+{
+	if (pcb->Data->via_tree == NULL)
+		pcb->Data->via_tree = pcb_r_create_tree();
+	subc->data->via_tree = pcb->Data->via_tree;
+	if (pcb->Data->padstack_tree == NULL)
+		pcb->Data->padstack_tree = pcb_r_create_tree();
+	subc->data->padstack_tree = pcb->Data->padstack_tree;
+#warning subc TODO: subc-in-subc: bind subc rtree
+}
+
 void *pcb_subcop_change_size(pcb_opctx_t *ctx, pcb_subc_t *sc)
 {
 	pcb_subc_op(ctx->chgsize.pcb->Data, sc, &ChangeSizeFunctions, ctx);
Index: trunk/src/obj_subc.h
===================================================================
--- trunk/src/obj_subc.h	(revision 14269)
+++ trunk/src/obj_subc.h	(revision 14270)
@@ -84,9 +84,12 @@
 
 void XORDrawSubc(pcb_subc_t *sc, pcb_coord_t DX, pcb_coord_t DY, int use_curr_side);
 
-/* Redo the binding after the layer binding recipe changed in sc */
+/* Redo the layer binding after the layer binding recipe changed in sc */
 int pcb_subc_rebind(pcb_board_t *pcb, pcb_subc_t *sc);
 
+/* Do the initial global bindings of subc to pcb (rtree links) */
+void pcb_subc_bind_globals(pcb_board_t *pcb, pcb_subc_t *subc);
+
 #include "rtree.h"
 pcb_r_dir_t draw_subc_mark_callback(const pcb_box_t *b, void *cl);
 void DrawSubc(pcb_subc_t *sc);