-extern optimization_state_t libFIRM_opt;
-extern optimization_state_t libFIRM_verb;
-extern firm_verification_t opt_do_node_verification;
+/**
+ * libFIRM running flags
+ */
+typedef enum {
+#define E_FLAG(name, value, def)
+#define I_FLAG(name, value, def)
+#define R_FLAG(name, value) ir_rf_##name = (1 << value),