2 # Copyright (C) 2006-2009 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
7 include $(TOPDIR)/rules.mk
9 KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
10 BUILD_DIR := $(KERNEL_BUILD_DIR)
15 include $(INCLUDE_DIR)/kernel.mk
18 PKG_VERSION:=$(LINUX_VERSION)
19 PKG_SOURCE:=$(LINUX_SOURCE)
20 PKG_SOURCE_URL:=$(LINUX_SITE)
21 HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
22 PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
23 LINUX_DIR := $(HOST_BUILD_DIR)
25 PATCH_DIR := ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
27 include $(INCLUDE_DIR)/toolchain-build.mk
28 include $(INCLUDE_DIR)/kernel-defaults.mk
30 ifeq ($(strip $(BOARD)),uml)
31 LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
34 LINUX_HAS_HEADERS_INSTALL:=y
36 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
39 CFLAGS="$(TARGET_CFLAGS)" \
40 CROSS_COMPILE=$(TARGET_CROSS) \
44 define Host/Prepare/all
45 mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
47 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
51 # XXX: the following is needed to build lzma-loader
52 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
53 define Host/Prepare/lzma
55 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
56 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
57 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
61 define Host/Prepare/post/cris
63 $(HOST_BUILD_DIR)/include/linux/user.h \
64 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
65 ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
66 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
67 $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
70 define Host/Prepare/post/ubicom32
72 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
73 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
74 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
75 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
76 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
79 define Host/Prepare/post/mips
80 $(call Host/Prepare/lzma)
83 define Host/Prepare/post/mipsel
84 $(call Host/Prepare/lzma)
88 $(call Kernel/Prepare/Default)
89 ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
90 $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
91 yes '' | $(KMAKE) oldconfig
92 $(call Host/Prepare/all)
93 $(call Host/Prepare/post/$(ARCH))
103 $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
109 $(BUILD_DIR_TOOLCHAIN)/linux \
110 $(BUILD_DIR_TOOLCHAIN)/linux-dev
113 $(eval $(call HostBuild))