-STAMP_PREPARED=$(PKG_BUILD_DIR)/.prepared
-STAMP_CONFIGURED=$(PKG_BUILD_DIR)/.configured
-STAMP_BUILT=$(PKG_BUILD_DIR)/.built
+STAMP_PREPARED=$(PKG_BUILD_DIR)/.prepared$(if $(QUILT)$(DUMP),,$(shell $(call find_md5,${CURDIR} $(PKG_FILE_DEPEND),)))
+STAMP_CONFIGURED:=$(PKG_BUILD_DIR)/.configured
+STAMP_BUILT:=$(PKG_BUILD_DIR)/.built
+STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.$(PKG_NAME)_installed
+
+override MAKEFLAGS=
+
+include $(INCLUDE_DIR)/download.mk
+include $(INCLUDE_DIR)/quilt.mk