+KERNEL:=unknown
+ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
+KERNEL:=2.4
+endif
+ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
+KERNEL:=2.6
+endif
+
+MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
+
+LINUX_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
+ifeq ($(LINUX_NAME),)
+LINUX_NAME:=linux-$(LINUX_VERSION)
+endif
+LINUX_DIR := $(LINUX_BUILD_DIR)/$(LINUX_NAME)
+LINUX_KERNEL:=$(LINUX_BUILD_DIR)/vmlinux
+
+LINUX_TARGET_DIR:=$(LINUX_BUILD_DIR)/root
+
+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/' \
+)
+
+KMOD_BUILD_DIR := $(LINUX_BUILD_DIR)/linux-modules
+MODULES_DIR := $(LINUX_BUILD_DIR)/modules/$(MODULES_SUBDIR)
+TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
+
+ifeq ($(KERNEL),2.6)
+LINUX_KMOD_SUFFIX=ko
+else
+LINUX_KMOD_SUFFIX=o
+endif
+