define Build/DefaultTargets
ifeq ($(DUMP),)
ifneq ($$(shell $(SCRIPT_DIR)/timestamp.pl -p $(PKG_BUILD_DIR) . $(TOPDIR)/package/rules.mk),$(PKG_BUILD_DIR))
define Build/DefaultTargets
ifeq ($(DUMP),)
ifneq ($$(shell $(SCRIPT_DIR)/timestamp.pl -p $(PKG_BUILD_DIR) . $(TOPDIR)/package/rules.mk),$(PKG_BUILD_DIR))