major target cleanup. it is now possible to have subtargets that can override many target settings, including arch - merge adm5120, adm5120eb. target profiles still need to be adapted for subtargets

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8694 3c298f89-4303-0410-b956-a3cf2f4a3e73

9 files changed, 194 insertions, 152 deletions

diff --git a/include/image.mk b/include/image.mk
index fa08372007..68ce0480d1 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -5,6 +5,7 @@
 # See /LICENSE for more information.
 #
 
+override TARGET_BUILD=
 include $(INCLUDE_DIR)/prereq.mk
 include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/host.mk
diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 69e602aded..65907600c9 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -1,60 +1,20 @@
-# 
+#
 # Copyright (C) 2006-2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
-KERNEL_BUILD:=1
-
 include $(INCLUDE_DIR)/host.mk
-include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/prereq.mk
 
-override MAKEFLAGS=
-
-GENERIC_LINUX_CONFIG:=$(GENERIC_PLATFORM_DIR)/config-$(shell [ -f "$(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER)" ] && echo "$(KERNEL_PATCHVER)" || echo template ) 
-LINUX_CONFIG_DIR ?= ./config$(shell [ -d "./config-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-LINUX_CONFIG ?= $(LINUX_CONFIG_DIR)/default
-
-ifneq ($(DUMP),)
-  TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(BOARD)-$(KERNEL)
-  $(TMP_CONFIG): $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG)
-	$(SCRIPT_DIR)/config.pl + $^ > $@
-  -include $(TMP_CONFIG)
-  .SILENT: $(TMP_CONFIG)
+ifneq ($(DUMP),1)
+  override MAKEFLAGS=
 endif
 
-ifneq ($(CONFIG_PCI),)
-  FEATURES += pci
-endif
-ifneq ($(CONFIG_USB),)
-  FEATURES += usb
-endif
-ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
-  FEATURES += pcmcia
-endif
-
-# remove duplicates
-FEATURES:=$(sort $(FEATURES))
-
-ifeq ($(DUMP),1)
-  all: dumpinfo
-else
+ifneq ($(DUMP),1)
   all: compile
 endif
 
-ifneq (,$(findstring uml,$(BOARD)))
-  LINUX_KARCH:=um
-else
-  LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
-	-e 's/mipsel/mips/' \
-	-e 's/mipseb/mips/' \
-	-e 's/powerpc/ppc/' \
-	-e 's/sh[234]/sh/' \
-	-e 's/armeb/arm/' \
-  )
-endif
-
 STAMP_PREPARED:=$(LINUX_DIR)/.prepared
 STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
 include $(INCLUDE_DIR)/quilt.mk
@@ -90,106 +50,54 @@ define BuildKernel
   $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
 	-rm -rf $(KERNEL_BUILD_DIR)
 	-mkdir -p $(KERNEL_BUILD_DIR)
-	$(call Kernel/Prepare)
+	$(Kernel/Prepare)
 	touch $$@
 
   $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
-	$(call Kernel/Configure)
+	$(Kernel/Configure)
 	touch $$@
 
   $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
-	$(call Kernel/CompileModules)
+	$(Kernel/CompileModules)
 	touch $$@
 
   $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE
-	$(call Kernel/CompileImage)
+	$(Kernel/CompileImage)
 	touch $$@
 	
   mostlyclean: FORCE
-	$(call Kernel/Clean)
-
-  ifeq ($(DUMP),1)
-    dumpinfo:
-		@echo 'Target: $(BOARD)'
-		@echo 'Target-Kernel: $(KERNEL)'
-		@echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
-		@echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
-		@echo 'Target-Arch: $(ARCH)'
-		@echo 'Target-Features: $(FEATURES)'
-		@echo 'Linux-Version: $(LINUX_VERSION)'
-		@echo 'Linux-Release: $(LINUX_RELEASE)'
-		@echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
-		@echo 'Target-Description:'
-		@getvar $(call shvar,Target/Description)
-		@echo '@@'
-		@echo 'Default-Packages: $(DEFAULT_PACKAGES)'
-    ifneq ($(DUMPINFO),)
-		@$(DUMPINFO)
-    endif
-  endif
+	$(Kernel/Clean)
 
   define BuildKernel
   endef
-endef
-
-define Profile/Default
-  NAME:=
-  PACKAGES:=
-endef
-
-confname=$(subst .,_,$(subst -,_,$(1)))
-define Profile
-  $(eval $(call Profile/Default))
-  $(eval $(call Profile/$(1)))
-  $(eval $(call shexport,Profile/$(1)/Config))
-  $(eval $(call shexport,Profile/$(1)/Description))
-  DUMPINFO += \
-	echo "Target-Profile: $(1)"; \
-	echo "Target-Profile-Name: $(NAME)"; \
-	echo "Target-Profile-Packages: $(PACKAGES)"; \
-	if [ -f ./config/profile-$(1) ]; then \
-		echo "Target-Profile-Kconfig: yes"; \
-	fi; \
-	echo "Target-Profile-Config: "; \
-	getvar "$(call shvar,Profile/$(1)/Config)"; \
-	echo "@@"; \
-	echo "Target-Profile-Description:"; \
-	getvar "$(call shvar,Profile/$(1)/Description)"; \
-	echo "@@"; \
-	echo;
-  ifeq ($(CONFIG_LINUX_$(call confname,$(KERNEL)_$(1))),y)
-    PROFILE=$(1)
-  endif
-endef
-
-$(eval $(call shexport,Target/Description))
 
-download: $(DL_DIR)/$(LINUX_SOURCE)
-prepare: $(STAMP_CONFIGURED)
-compile: $(LINUX_DIR)/.modules
-	$(MAKE) -C image compile
+  download: $(DL_DIR)/$(LINUX_SOURCE)
+  prepare: $(STAMP_CONFIGURED)
+  compile: $(LINUX_DIR)/.modules
+	$(MAKE) -C image compile TARGET_BUILD=
 
-oldconfig menuconfig: $(STAMP_PREPARED) FORCE
-	$(call Kernel/Configure)
-	$(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) > $(LINUX_DIR)/.config
+  oldconfig menuconfig: $(STAMP_PREPARED) FORCE
+	$(Kernel/Configure)
+	$(LINUX_CONFCMD) > $(LINUX_DIR)/.config
 	$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $@
-	$(SCRIPT_DIR)/config.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
+	$(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
 
-install: $(LINUX_DIR)/.image
-	$(MAKE) -C image compile install
+  install: $(LINUX_DIR)/.image
+	TARGET_BUILD="" $(MAKE) -C image compile install
 
-clean: FORCE
-	rm -f $(STAMP_DIR)/.linux-compile
+  clean: FORCE
 	rm -rf $(KERNEL_BUILD_DIR)
 
-rebuild: FORCE
+  rebuild: FORCE
 	@$(MAKE) mostlyclean
 	@if [ -f $(LINUX_KERNEL) ]; then \
 		$(MAKE) clean; \
 	fi
 	@$(MAKE) compile
 
-image-prereq:
-	$(SUBMAKE) -s -C image prereq
+  image-prereq:
+	$(SUBMAKE) -s -C image prereq TARGET_BUILD=
 
-prereq: image-prereq
+  prereq: image-prereq
+
+endef
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 3916483adf..88f1c36758 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -46,11 +46,9 @@ define Kernel/Configure/2.6
 	-$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
 endef
 define Kernel/Configure/Default
-	$(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) \
-		$(if $(wildcard ./config/profile-$(PROFILE)),'+' $(LINUX_CONFIG) ./config/profile-$(PROFILE), $(LINUX_CONFIG)) \
-		> $(LINUX_DIR)/.config.target
+	$(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target
 	$(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
-	$(SCRIPT_DIR)/config.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override >$(LINUX_DIR)/.config
+	$(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
 	$(call Kernel/Configure/$(KERNEL))
 	rm -rf $(KERNEL_BUILD_DIR)/modules
 	@rm -f $(BUILD_DIR)/linux
@@ -88,7 +86,6 @@ define Kernel/CompileImage/Default
 endef
 
 define Kernel/Clean/Default
-	rm -f $(LINUX_DIR)/.linux-compile
 	rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
 	rm -f $(LINUX_KERNEL)
 	$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index ee3486fdb1..508cf9934a 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -1,11 +1,9 @@
 # Use the default kernel version if the Makefile doesn't override it
 
-ifeq ($(LINUX_VERSION),)
-  ifeq ($(KERNEL),2.4)
-    LINUX_VERSION:=2.4.34
-  else
-    LINUX_VERSION:=2.6.21.5
-  endif
+ifeq ($(KERNEL),2.4)
+  LINUX_VERSION?=2.4.34
+else
+  LINUX_VERSION?=2.6.21.5
 endif
 LINUX_RELEASE?=1
 
@@ -22,6 +20,6 @@ endif
 # disable the md5sum check for unknown kernel versions
 LINUX_KERNEL_MD5SUM?=x
 
-KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
-KERNEL_PATCHVER:=$(shell echo $(LINUX_VERSION) | cut -d. -f1,2,3 | cut -d- -f1)
+KERNEL?=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
+KERNEL_PATCHVER=$(shell echo $(LINUX_VERSION) | cut -d. -f1,2,3 | cut -d- -f1)
 
diff --git a/include/kernel.mk b/include/kernel.mk
index 559b37e4a3..b82668ea48 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -5,15 +5,15 @@
 # See /LICENSE for more information.
 #
 
-include $(INCLUDE_DIR)/kernel-version.mk
+ifeq ($(__target_inc),)
+  include $(INCLUDE_DIR)/target.mk
+endif
 
 ifeq ($(DUMP),1)
   KERNEL?=<KERNEL>
   BOARD?=<BOARD>
   LINUX_VERSION?=<LINUX_VERSION>
 else
-  include $(INCLUDE_DIR)/target.mk
-
   export GCC_HONOUR_COPTS=s
 
   ifeq ($(KERNEL),2.6)
@@ -30,9 +30,8 @@ else
     KERNEL_CROSS:=$(TARGET_CROSS)
   endif
 
-  PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)
   PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
   LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
@@ -46,8 +45,18 @@ else
 
   PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
 endif
-GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
-GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
+
+ifneq (,$(findstring uml,$(BOARD)))
+  LINUX_KARCH:=um
+else
+  LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
+	-e 's/mipsel/mips/' \
+	-e 's/mipseb/mips/' \
+	-e 's/powerpc/ppc/' \
+	-e 's/sh[234]/sh/' \
+	-e 's/armeb/arm/' \
+  )
+endif
 
 
 define KernelPackage/Defaults
diff --git a/include/scan.mk b/include/scan.mk
index 819c8ca595..dfe80fabaa 100644
--- a/include/scan.mk
+++ b/include/scan.mk
@@ -27,14 +27,14 @@ define PackageDir
 	{ \
 		$$(call progress,Collecting $(SCAN_NAME) info: $(SCAN_DIR)/$(2)) \
 		echo Source-Makefile: $(SCAN_DIR)/$(2)/Makefile; \
-		$(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $(SCAN_DIR)/$(2) 2>/dev/null || echo "ERROR: please fix $(SCAN_DIR)/$(2)/Makefile" >&2; \
+		$(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $(SCAN_DIR)/$(2) $(SCAN_MAKEOPTS) 2>/dev/null || echo "ERROR: please fix $(SCAN_DIR)/$(2)/Makefile" >&2; \
 		echo; \
 	} > $$@ || true
 endef
 
 $(FILELIST):
 	rm -f tmp/info/.files-$(SCAN_TARGET)-*
-	$(call FIND_L, $(SCAN_DIR)) $(SCAN_EXTRA) -mindepth 1 $(if $(SCAN_DEPTH),-maxdepth $(SCAN_DEPTH)) -name Makefile | xargs grep -HE 'call (Build/DefaultTargets|Build(Package|Kernel)|.+Package)' | sed -e 's#^$(SCAN_DIR)/##' -e 's#/Makefile:.*##' | uniq > $@
+	$(call FIND_L, $(SCAN_DIR)) $(SCAN_EXTRA) -mindepth 1 $(if $(SCAN_DEPTH),-maxdepth $(SCAN_DEPTH)) -name Makefile | xargs grep -HE 'call (Build/DefaultTargets|Build(Package|Target)|.+Package)' | sed -e 's#^$(SCAN_DIR)/##' -e 's#/Makefile:.*##' | uniq > $@
 
 tmp/info/.files-$(SCAN_TARGET).mk: $(FILELIST)
 	( \
diff --git a/include/subdir.mk b/include/subdir.mk
index 40a06ed9e1..68afcc48a2 100644
--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -34,10 +34,10 @@ define subdir
   $(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
 endef
 
-# Parameters: <subdir> <name> <target>
+# Parameters: <subdir> <name> <target> <depends>
 define stampfile
   $(1)/stamp-$(3):=$(STAGING_DIR)/stamp/.$(2)_$(3)
-  $$($(1)/stamp-$(3)): $(TMP_DIR)/.build
+  $$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
 	@+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
 		$(MAKE) $$($(1)/flags-$(3)) $(1)/$(3)
 	@mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
diff --git a/include/target.mk b/include/target.mk
index b0a178e306..42f484af9d 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -5,17 +5,147 @@
 # See /LICENSE for more information.
 #
 
-define AddProfile
-  ifeq ($(CONFIG_LINUX_$(1)),y)
-    $(call Profile/$(1))
-    PROFILE=$$(ID)
+ifneq ($(DUMP),)
+  all: dumpinfo
+endif
+
+ifneq ($(__target_inc),1)
+__target_inc=1
+
+TARGET_BUILD?=0
+
+
+target_conf=$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
+ifeq ($(DUMP),)
+  PLATFORM_DIR:=$(TOPDIR)/target/linux/$(BOARD)
+  SUBTARGET:=$(strip $(foreach subdir,$(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)),$(if $(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(subdir))),$(subdir))))
+else
+  PLATFORM_DIR:=${CURDIR}
+endif
+
+TARGETID:=$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))
+PLATFORM_SUBDIR:=$(PLATFORM_DIR)$(if $(SUBTARGET),/$(SUBTARGET))
+
+define Target
+  KERNEL_TARGETS+=$(1)
+  ifeq ($(DUMP),1)
+    ifeq ($(SUBTARGET),)
+      BuildTarget=$$(BuildTargets/DumpAll)
+    endif
+  endif
+endef
+
+ifneq ($(TARGET_BUILD),1)
+  include $(PLATFORM_DIR)/Makefile
+  ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
+    include $(PLATFORM_SUBDIR)/target.mk
+  endif
+else
+  ifneq ($(SUBTARGET),)
+    -include ./$(SUBTARGET)/target.mk
+  endif
+endif
+
+define Profile/Default
+  NAME:=
+  PACKAGES:=
+endef
+
+define Profile
+  $(eval $(call Profile/Default))
+  $(eval $(call Profile/$(1)))
+  $(eval $(call shexport,Profile/$(1)/Config))
+  $(eval $(call shexport,Profile/$(1)/Description))
+  DUMPINFO += \
+	echo "Target-Profile: $(1)"; \
+	echo "Target-Profile-Name: $(NAME)"; \
+	echo "Target-Profile-Packages: $(PACKAGES)"; \
+	if [ -f ./config/profile-$(1) ]; then \
+		echo "Target-Profile-Kconfig: yes"; \
+	fi; \
+	echo "Target-Profile-Config: "; \
+	getvar "$(call shvar,Profile/$(1)/Config)"; \
+	echo "@@"; \
+	echo "Target-Profile-Description:"; \
+	getvar "$(call shvar,Profile/$(1)/Description)"; \
+	echo "@@"; \
+	echo;
+  ifeq ($(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(if $(2),$(2)_)$(1))),y)
+    PROFILE=$(1)
   endif
 endef
 
--include $(TMP_DIR)/.target.mk
+$(eval $(call shexport,Target/Description))
+
+
+include $(INCLUDE_DIR)/kernel-version.mk
+
+GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
+GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
+
+GENERIC_LINUX_CONFIG:=$(firstword $(wildcard $(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER) $(GENERIC_PLATFORM_DIR)/config-default))
+LINUX_CONFIG?=$(firstword $(wildcard $(foreach subdir,$(PLATFORM_DIR) $(PLATFORM_SUBDIR),$(subdir)/config-$(KERNEL_PATCHVER) $(subdir)/config-default)))
+LINUX_SUBCONFIG?=$(firstword $(wildcard $(PLATFORM_SUBDIR)/config-$(KERNEL_PATCHVER) $(PLATFORM_SUBDIR)/config-default))
+ifeq ($(LINUX_CONFIG),$(LINUX_SUBCONFIG))
+  LINUX_SUBCONFIG:=
+endif
+LINUX_CONFCMD=$(if $(LINUX_CONFIG),$(SCRIPT_DIR)/kconfig.pl + $(GENERIC_LINUX_CONFIG) $(if $(LINUX_SUBCONFIG),+ $(LINUX_CONFIG) $(LINUX_SUBCONFIG),$(LINUX_CONFIG)),true)
+
+ifeq ($(DUMP),1)
+  BuildTarget=$(BuildTargets/DumpCurrent)
+
+  ifneq ($(BOARD),)
+    TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(call target_conf,$(TARGETID))
+    $(TMP_CONFIG): $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) $(LINUX_SUBCONFIG)
+		$(LINUX_CONFCMD) > $@ || rm -f $@
+    -include $(TMP_CONFIG)
+    .SILENT: $(TMP_CONFIG)
+    .PRECIOUS: $(TMP_CONFIG)
+
+    ifneq ($(CONFIG_PCI),)
+      FEATURES += pci
+    endif
+    ifneq ($(CONFIG_USB),)
+      FEATURES += usb
+    endif
+    ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
+      FEATURES += pcmcia
+    endif
+
+    # remove duplicates
+    FEATURES:=$(sort $(FEATURES))
+  endif
+endif
+
+define BuildTargets/DumpAll
+  dumpinfo:
+	@$(foreach SUBTARGET,$(KERNEL_TARGETS),$(SUBMAKE) -s DUMP=1 SUBTARGET=$(SUBTARGET); )
+endef
+
+define BuildTargets/DumpCurrent
+
+  dumpinfo:
+	@echo 'Target: $(TARGETID)'; \
+	 echo 'Target-Board: $(BOARD)'; \
+	 echo 'Target-Kernel: $(KERNEL)'; \
+	 echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'; \
+	 echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
+	 echo 'Target-Arch: $(ARCH)'; \
+	 echo 'Target-Features: $(FEATURES)'; \
+	 echo 'Linux-Version: $(LINUX_VERSION)'; \
+	 echo 'Linux-Release: $(LINUX_RELEASE)'; \
+	 echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \
+	 echo 'Target-Description:'; \
+	 getvar $(call shvar,Target/Description); \
+	 echo '@@'; \
+	 echo 'Default-Packages: $(DEFAULT_PACKAGES)'; \
+	 $(DUMPINFO)
+endef
 
-ifeq ($(IB),1)
-$(TMP_DIR)/.target.mk: $(TOPDIR)/.target.mk
-	$(CP) $< $@
+include $(INCLUDE_DIR)/kernel.mk
+ifeq ($(TARGET_BUILD),1)
+  include $(INCLUDE_DIR)/kernel-build.mk
+  BuildTarget?=$(BuildKernel)
 endif
 
+endif #__target_inc
diff --git a/include/toplevel.mk b/include/toplevel.mk
index 8faf8e1437..0a8bdedc3e 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -33,13 +33,12 @@ export SCAN_COOKIE
 prepare-tmpinfo: FORCE
 	mkdir -p tmp/info
 	+$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk" SCAN_DEPTH=4 SCAN_EXTRA=""
-	+$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk" SCAN_DEPTH=2 SCAN_EXTRA=""
+	+$(NO_TRACE_MAKE) -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
 	for type in package target; do \
 		f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
 		[ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config < "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
 	done
 	./scripts/metadata.pl package_mk < tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
-	./scripts/metadata.pl target_mk < $(TMP_DIR)/.targetinfo > tmp/.target.mk
 	touch $(TOPDIR)/tmp/.build
 
 .config: ./scripts/config/conf prepare-tmpinfo