+ rm -rf $(STAGING_DIR_HOST) $(STAGING_DIR_HOSTPKG) $(TOOLCHAIN_DIR) $(BUILD_DIR_BASE)/host $(BUILD_DIR_BASE)/hostpkg $(BUILD_DIR_TOOLCHAIN)
+ rm -rf $(TMP_DIR)
+ $(MAKE) -C $(TOPDIR)/scripts/config clean
+
+ifndef DUMP_TARGET_DB
+$(BUILD_DIR)/.prepared: Makefile
+ @mkdir -p $$(dirname $@)
+ @touch $@
+
+tmp/.prereq_packages: .config
+ unset ERROR; \
+ for package in $(sort $(prereq-y) $(prereq-m)); do \
+ $(_SINGLE)$(NO_TRACE_MAKE) -s -r -C package/$$package prereq || ERROR=1; \
+ done; \
+ if [ -n "$$ERROR" ]; then \
+ echo "Package prerequisite check failed."; \
+ false; \
+ fi
+ touch $@
+endif
+
+# check prerequisites before starting to build
+prereq: $(target/stamp-prereq) tmp/.prereq_packages
+ @if [ ! -f "$(INCLUDE_DIR)/site/$(ARCH)" ]; then \
+ echo 'ERROR: Missing site config for architecture "$(ARCH)" !'; \
+ echo ' The missing file will cause configure scripts to fail during compilation.'; \
+ echo ' Please provide a "$(INCLUDE_DIR)/site/$(ARCH)" file and restart the build.'; \
+ exit 1; \
+ fi
+
+checksum: FORCE
+ $(call sha256sums,$(BIN_DIR),$(CONFIG_BUILDBOT))
+
+buildversion: FORCE
+ $(SCRIPT_DIR)/getver.sh > $(BIN_DIR)/version.buildinfo
+
+feedsversion: FORCE
+ $(SCRIPT_DIR)/feeds list -fs > $(BIN_DIR)/feeds.buildinfo
+
+diffconfig: FORCE
+ mkdir -p $(BIN_DIR)
+ $(SCRIPT_DIR)/diffconfig.sh > $(BIN_DIR)/config.buildinfo
+
+buildinfo: FORCE
+ $(_SINGLE)$(SUBMAKE) -r diffconfig buildversion feedsversion