- prepared: FORCE $(DL_DIR)/$(PKG_SOURCE)
- ifeq ($(shell $(SCRIPT_DIR)/timestamp.pl -p $(PKG_BUILD_DIR) .),.)
+
+ ifeq ($(shell $(SCRIPT_DIR)/timestamp.pl -p $(PKG_BUILD_DIR) .),.)
+ $(PKG_BUILD_DIR)/.prepared: package-clean
+ endif
+
+ $(PKG_BUILD_DIR)/.prepared: $(DL_DIR)/$(PKG_SOURCE)