-define Build/Prepare
- mkdir -p $(TOOLCHAIN_BUILD_DIR)
- bzcat $(DL_DIR)/$(PKG_SOURCE) | tar $(TAR_WILDCARDS) -C $(TOOLCHAIN_BUILD_DIR) $(TAR_OPTIONS) - \
- linux-$(PKG_VERSION)/include \
- linux-$(PKG_VERSION)/Makefile \
- linux-$(PKG_VERSION)/Rules.make \
- linux-$(PKG_VERSION)/arch/$(LINUX_KARCH)/Makefile \
- linux-$(PKG_VERSION)/scripts \
- linux-$(PKG_VERSION)/arch/$(LINUX_KARCH)/config*.in \
- linux-$(PKG_VERSION)/*/*/Config.in \
- linux-$(PKG_VERSION)/*/Config.in
- $(PATCH) $(PKG_BUILD_DIR) ./patches
- $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
- ln -sf $(PKG_BUILD_DIR) $(LINUX_HEADERS_DIR)
+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))