+override QUILT:=
+override HOST_QUILT:=
+
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=linux
+PKG_VERSION:=$(LINUX_VERSION)
+PKG_SOURCE:=$(LINUX_SOURCE)
+PKG_SOURCE_URL:=$(LINUX_SITE)
+HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
+PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
+LINUX_DIR := $(HOST_BUILD_DIR)
+FILES_DIR :=
+PATCH_DIR := ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
+
+include $(INCLUDE_DIR)/toolchain-build.mk
+include $(INCLUDE_DIR)/kernel-defaults.mk
+
+ifeq ($(strip $(BOARD)),uml)
+ LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
+endif
+
+HOST_EXTRACFLAGS=
+
+LINUX_HAS_HEADERS_INSTALL:=y
+
+KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
+ ARCH=$(LINUX_KARCH) \
+ CC="$(KERNEL_CC)" \
+ CFLAGS="$(TARGET_CFLAGS)" \
+ CROSS_COMPILE=$(TARGET_CROSS) \
+ KBUILD_HAVE_NLS=no \
+ CONFIG_SHELL=$(BASH)
+
+define Host/Configure/all
+ mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
+ $(KMAKE) \
+ INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
+ headers_install
+endef
+
+# XXX: the following is needed to build lzma-loader
+ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
+ define Host/Configure/lzma
+ $(CP) \
+ $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
+ $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
+ endef
+endif
+
+define Host/Configure/post/cris
+ $(CP) \
+ $(HOST_BUILD_DIR)/include/linux/user.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
+ ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
+ $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
+endef
+
+define Host/Configure/post/ubicom32
+ $(CP) \
+ $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
+ $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
+ $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
+ $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
+endef
+
+define Host/Configure/post/mips
+ $(call Host/Configure/lzma)
+endef
+
+define Host/Configure/post/mipsel
+ $(call Host/Configure/lzma)
+endef
+
+define Host/Prepare
+ $(call Kernel/Prepare/Default)
+ ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
+ $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
+endef
+
+define Host/Configure
+ env
+ yes '' | $(KMAKE) oldconfig
+ $(call Host/Configure/all)
+ $(call Host/Configure/post/$(ARCH))
+endef
+
+define Host/Compile
+endef
+
+define Host/Install
+ $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
+endef
+
+define Host/Clean
+ rm -rf \
+ $(HOST_BUILD_DIR) \
+ $(BUILD_DIR_TOOLCHAIN)/linux \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev
+endef
+
+$(eval $(call HostBuild))