--- /dev/null
+################################################################################
+#
+# Check buildroot dependencies and bail out if the user's
+# system is judged to be lacking....
+#
+################################################################################
+
+DEPENDENCIES_HOST_PREREQ :=
+
+# suitable-host-pkg: calls check-host-$(1).sh shell script. Parameter (2)
+# can be the candidate to be checked. If not present, the check-host-$(1).sh
+# script should use 'which' to find a candidate. The script should return
+# the path to the suitable host tool, or nothing if no suitable tool was found.
+define suitable-host-package
+$(shell support/dependencies/check-host-$(1).sh $(2))
+endef
+-include $(sort $(wildcard support/dependencies/check-host-*.mk))
+
+ifeq ($(BR2_STRIP_sstrip),y)
+DEPENDENCIES_HOST_PREREQ += host-sstrip
+endif
+
+ifeq ($(BR2_CCACHE),y)
+DEPENDENCIES_HOST_PREREQ += host-ccache
+endif
+
+core-dependencies:
+ @HOSTCC="$(firstword $(HOSTCC))" MAKE="$(MAKE)" \
+ DL_TOOLS="$(sort $(DL_TOOLS_DEPENDENCIES))" \
+ $(TOPDIR)/support/dependencies/dependencies.sh
+
+dependencies: HOSTCC=$(HOSTCC_NOCCACHE)
+dependencies: HOSTCXX=$(HOSTCXX_NOCCACHE)
+dependencies: core-dependencies $(DEPENDENCIES_HOST_PREREQ)
+
+################################################################################
+#
+# Toplevel Makefile options
+#
+################################################################################
+.PHONY: dependencies core-dependencies