Insert declarations to remove cparser warnings

ir/opt/opt_manage.h

@@ -59,4 +59,22 @@ typedef struct optdesc_t {
  */
 void perform_irg_optimization(ir_graph *irg, optdesc_t *opt);
 
+/** A list of all optimization descriptions
+ * TODO We could put something like this into the API
+ */
+extern optdesc_t opt_ifconv;
+extern optdesc_t opt_fpvrp;
+extern optdesc_t opt_cf;
+extern optdesc_t opt_deconv;
+extern optdesc_t opt_simplify_bool;
+extern optdesc_t opt_code_placement;
+extern optdesc_t opt_combo;
+extern optdesc_t opt_loadstore;
+extern optdesc_t opt_peel_loops;
+extern optdesc_t opt_unroll_loops;
+extern optdesc_t opt_invert_loops;
+extern optdesc_t opt_gcse;
+extern optdesc_t opt_parallel_mem;
+extern optdesc_t opt_jumpthread;
+
 #endif /* FIRM_OPT_MANAGE_H */