extern void debug_iteration_domains (scop_p);
extern bool scop_do_interchange (scop_p);
extern bool scop_do_strip_mine (scop_p);
+extern bool scop_do_block (scop_p);
extern void pbb_number_of_iterations (poly_bb_p, graphite_dim_t, Value);
extern void pbb_number_of_iterations_at_time (poly_bb_p, graphite_dim_t, Value);
extern void pbb_remove_duplicate_pdrs (poly_bb_p);