+package/%: .pkginfo FORCE
+ $(MAKE) -C package $(patsubst package/%,%,$@)
+
+target/%: .pkginfo FORCE
+ $(MAKE) -C target $(patsubst target/%,%,$@)
+
+toolchain/%: FORCE
+ $(MAKE) -C toolchain $(patsubst toolchain/%,%,$@)
+
+.prereq-build: include/prereq-build.mk
+ @$(NO_TRACE_MAKE) -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
+ echo "Prerequisite check failed. Use FORCE=1 to override."; \
+ false; \
+ }
+ @touch $@
+
+.prereq-packages: include/prereq.mk .pkginfo .config
+ @$(NO_TRACE_MAKE) -s -C package prereq 2>/dev/null || { \
+ echo "Prerequisite check failed. Use FORCE=1 to override."; \
+ false; \
+ }
+ @touch $@
+
+prereq: .prereq-build .prereq-packages FORCE
+
+download: .config FORCE
+ $(MAKE) toolchain/download
+ $(MAKE) package/download
+ $(MAKE) target/download
+
+world: .config FORCE
+ $(MAKE) toolchain/install
+ $(MAKE) target/compile
+ $(MAKE) package/compile
+ $(MAKE) package/install
+ $(MAKE) target/install
+ $(MAKE) package/index
+
+clean: FORCE
+ rm -rf build_* bin