-ao_product.h: ao-make-product.5c
- $(call quiet,NICKLE,$<) $< -m altusmetrum.org -p $(PRODUCT) -v $(VERSION) > $@
+../ao_kalman.h: make-kalman kalman.5c kalman_filter.5c load_csv.5c matrix.5c
+ sh $< > $@
+
+ao_product.h: ao-make-product.5c ../Version
+ $(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@