+package/%: .pkginfo FORCE
+ $(MAKE) -C package $(patsubst package/%,%,$@)
+
+target/%: .pkginfo FORCE
+ $(MAKE) -C target $(patsubst target/%,%,$@)
+
+toolchain/%: FORCE
+ $(MAKE) -C toolchain $(patsubst toolchain/%,%,$@)
+
+.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