build: update dependency file whenever the generator script or the Makefile changes

Author: VincentVanlaer

make/compile.mk

@@ -21,7 +21,7 @@ MODULES := $(addprefix $(MODULE_DIR)/, $(MODULES))
 
 FORTRAN_SOURCES := $(filter-out %.c, $(SRCS) $(SRCS_CHECK) $(addprefix $(BUILD_DIR_MODULE)/,$(SRCS_GENERATED) $(SRCS_CHECK_GENERATED)))
 
-$(BUILD_DIR_MODULE)/depend : $(FORTRAN_SOURCES) | $(BUILD_DIR_MODULE)/.
+$(BUILD_DIR_MODULE)/depend : $(MAKE_DIR)/gen-compile-tree Makefile $(FORTRAN_SOURCES) | $(BUILD_DIR_MODULE)/.
 	INSTALL_INCLUDES=$(call escape,$(INSTALL_INCLUDES)) \
 	MODULES=$(call escape,$(MODULES)) \
 	BUILD_DIR_MODULE=$(call escape,$(BUILD_DIR_MODULE)) \