core: kill DEPENDENCIES_HOST_PREREQ

Now that DEPENDENCIES_HOST_PREREQ is no longer used anywhere, we can
kill it.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Makefile

@@ -501,8 +501,6 @@ include package/Makefile.in
 -include $(sort $(wildcard arch/arch.mk.*))
 include support/dependencies/dependencies.mk
 
-PACKAGES += $(DEPENDENCIES_HOST_PREREQ)
-
 include $(sort $(wildcard toolchain/*.mk))
 include $(sort $(wildcard toolchain/*/*.mk))
 

package/pkg-generic.mk

@@ -690,9 +690,7 @@ $(1)-configure:			$$($(2)_TARGET_CONFIGURE)
 $$($(2)_TARGET_CONFIGURE):	| $$($(2)_FINAL_DEPENDENCIES)
 
 $$($(2)_TARGET_SOURCE) $$($(2)_TARGET_RSYNC): | dirs prepare
-ifeq ($$(filter $(1),$$(DEPENDENCIES_HOST_PREREQ)),)
 $$($(2)_TARGET_SOURCE) $$($(2)_TARGET_RSYNC): | dependencies
-endif
 
 ifeq ($$($(2)_OVERRIDE_SRCDIR),)
 # In the normal case (no package override), the sequence of steps is

support/dependencies/dependencies.mk

@@ -17,19 +17,13 @@ endef
 include support/dependencies/check-host-tar.mk
 -include $(sort $(filter-out %-tar.mk,$(wildcard support/dependencies/check-host-*.mk)))
 
-core-dependencies:
+dependencies:
 	@MAKE="$(MAKE)" DL_TOOLS="$(sort $(DL_TOOLS_DEPENDENCIES))" \
 		$(TOPDIR)/support/dependencies/dependencies.sh
 
-$(DEPENDENCIES_HOST_PREREQ): HOSTCC=$(HOSTCC_NOCCACHE)
-$(DEPENDENCIES_HOST_PREREQ): HOSTCXX=$(HOSTCXX_NOCCACHE)
-$(DEPENDENCIES_HOST_PREREQ): core-dependencies
-
-dependencies: core-dependencies $(DEPENDENCIES_HOST_PREREQ)
-
 ################################################################################
 #
 # Toplevel Makefile options
 #
 ################################################################################
-.PHONY: dependencies core-dependencies
+.PHONY: dependencies