+PKG_BUILD_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/host-build.mk
+
+define Build/Prepare
+ mkdir -p $(TOOLCHAIN_BUILD_DIR)
+ bzcat $(DL_DIR)/$(PKG_SOURCE) | $(HOST_TAR) -C $(TOOLCHAIN_BUILD_DIR) $(TAR_OPTIONS)
+ $(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/generic-$(KERNEL)/patches
+ $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
+ ln -sf $(PKG_BUILD_DIR) $(LINUX_HEADERS_DIR)
+endef
+
+define Build/Configure/powerpc
+ $(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/
+ rm -rf $(PKG_BUILD_DIR)/include/asm-ppc
+ mv $(PKG_BUILD_DIR)/include/asm-powerpc $(PKG_BUILD_DIR)/include/asm-ppc
+endef
+
+ifneq (,$(findstring uml,$(BOARD)))
+ KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
+ ARCH=i386 \
+ CONFIG_SHELL=$(BASH)
+else
+ KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
+ ARCH=$(LINUX_KARCH) \
+ CONFIG_SHELL=$(BASH)
+endif
+
+define Build/Configure
+ yes '' | $(KMAKE) oldconfig
+ $(KMAKE) include/linux/version.h include/asm
+ $(call Build/Configure/$(ARCH))
+endef
+
+define Build/Compile
+endef
+
+define Build/Install
+endef
+
+$(eval $(call HostBuild))