stop using submodule

packages/udi/rtree/rtree.h

@@ -0,0 +1,26 @@
+#ifndef _RTREE_
+#define _RTREE_ 1
+
+#ifndef __RTREE_PRIVATE_H__
+	typedef void * rtree_t;
+	typedef void * node_t;
+
+	struct Rect
+	{
+		double coords[4]; /*TODO: change this from here*/
+	};
+	typedef struct Rect rect_t;
+#endif
+
+typedef int (*SearchHitCallback)(void *, void *data, void *arg);
+
+extern rtree_t RTreeNew (void);
+extern void RTreeInsert (rtree_t *, rect_t, void *);
+extern int RTreeSearch (rtree_t, rect_t, SearchHitCallback, void *);
+extern void RTreeDestroy (rtree_t);
+extern void RTreePrint(node_t);
+extern rect_t RectInit (void);
+extern void RectPrint (rect_t);
+extern rect_t RectInitCoords (double *);
+
+#endif /* _RTREE_ */