-#############################################################
-#
-# Cleanup and misc junk
-#
-#############################################################
-root_clean:
- @$(TRACE) root_clean
- rm -rf $(BUILD_DIR)/linux-*/root $(BUILD_DIR)/root
-
-target_clean: root_clean
- rm -f $(STAMP_DIR)/.*-compile
- rm -f $(STAMP_DIR)/.*-install
- rm -rf $(BIN_DIR)
-
-clean: dirclean
-
-dirclean:
- @$(TRACE) dirclean
- @$(MAKE) -C $(CONFIG) clean
- rm -rf $(BUILD_DIR)
-
-distclean: dirclean
- rm -rf $(STAMP_DIR) $(DL_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR)
- rm -f .config* .tmpconfig.h
-
-else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
-
-all: menuconfig
-
-# configuration
-# ---------------------------------------------------------------------------
-
-$(CONFIG)/conf:
- $(MAKE) -C $(CONFIG) conf
- -@if [ ! -f .config ] ; then \
- cp $(CONFIG_DEFCONFIG) .config; \
- fi
-$(CONFIG)/mconf:
- $(MAKE) -C $(CONFIG)
- -@if [ ! -f .config ] ; then \
- cp $(CONFIG_DEFCONFIG) .config; \
- fi
-
-menuconfig: $(CONFIG)/mconf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/mconf $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-config: $(CONFIG)/conf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/conf $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-oldconfig: $(CONFIG)/conf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-randconfig: $(CONFIG)/conf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-allyesconfig: $(CONFIG)/conf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-allnoconfig: $(CONFIG)/conf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-defconfig: $(CONFIG)/conf
- -touch .config
- -cp .config .config.test
- @$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
- -./scripts/configtest.pl
-
-endif # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
-
-.PHONY: dummy subdirs release distclean clean config oldconfig \
- menuconfig tags check test depend
+.config: ./scripts/config/conf FORCE
+ @[ -f .config ] || $(NO_TRACE_MAKE) menuconfig
+ @$< -D .config Config.in &> /dev/null
+
+.prereq: $(TOPDIR)/include/prereq.mk .pkginfo
+ @$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq.mk prereq 2>/dev/null || { \
+ echo "Prerequisite check failed. Use FORCE=1 to override."; \
+ false; \
+ }
+ @touch $@
+
+prereq: .prereq FORCE
+
+download: .config FORCE
+ $(MAKE) toolchain/download
+ $(MAKE) package/download
+ $(MAKE) target/download
+
+ifeq ($(FORCE),)
+world: .prereq
+endif
+
+world: .config FORCE
+ $(MAKE) toolchain/install
+ $(MAKE) target/compile
+ $(MAKE) package/compile
+ $(MAKE) package/install
+ $(MAKE) target/install
+
+clean: FORCE
+ rm -rf build_* bin
+
+dirclean: clean
+ rm -rf staging_dir_* toolchain_build_*
+
+distclean: dirclean config-clean
+ rm -rf dl .*config* .pkg* .prereq
+