Ensure tests' obj files are rebuilt if dependent headers change

rhargreaves · Sep 8, 2024 · c15bd79 · c15bd79
1 parent bf7de7d
commit c15bd79
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tests/Makefile b/tests/Makefile
@@ -239,7 +239,9 @@ system: $(SYSTEM_TESTS_TARGET)
 
 $(OBJ_DIR)/%.o: %.c
 	mkdir -p $(dir $@)
-	$(CC) $(CFLAGS) -MMD -c $< -o $@
+	$(CC) $(CFLAGS) -MMD -MT "$@ $(basename $@).d" -c $< -o $@
+
+-include $(wildcard $(OBJ_DIR)/*.d) $(wildcard $(OBJ_DIR)/*/*.d)
 
 $(UNIT_TESTS_TARGET): $(SRC_OBJ) $(UNIT_TEST_OBJ) $(COMMON_TEST_OBJ)
 	mkdir -p $(dir $@)