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 := $(KERNEL_BUILD_DIR)
12 STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
13 BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
16 override CONFIG_AUTOREBUILD=
18 include $(INCLUDE_DIR)/kernel.mk
21 PKG_VERSION:=$(LINUX_VERSION)
22 PKG_SOURCE:=$(LINUX_SOURCE)
23 PKG_SOURCE_URL:=$(LINUX_SITE)
24 PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
25 PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
26 LINUX_DIR := $(PKG_BUILD_DIR)
28 include $(INCLUDE_DIR)/host-build.mk
29 include $(INCLUDE_DIR)/kernel-defaults.mk
31 ifeq ($(strip $(BOARD)),uml)
35 KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
40 define Build/Prepare/pre/cris
41 ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/include/asm-cris/arch
42 ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/arch/cris/arch
45 define Build/Prepare/pre/powerpc
46 if [ -d $(PKG_BUILD_DIR)/include/asm-ppc ]; then \
47 $(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/; \
48 rm -rf $(PKG_BUILD_DIR)/include/asm-ppc; \
49 ln -s $(PKG_BUILD_DIR)/include/asm-powerpc $(PKG_BUILD_DIR)/include/asm-ppc; \
53 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
54 define Build/Prepare/all
55 mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
57 CROSS_COMPILE=$(TARGET_CROSS) \
58 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
62 define Build/Prepare/all
63 mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
65 $(PKG_BUILD_DIR)/include/asm \
66 $(PKG_BUILD_DIR)/include/asm-generic \
67 $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
68 $(PKG_BUILD_DIR)/include/linux \
69 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
73 # XXX: the following is needed to build lzma-loader
74 define Build/Prepare/lzma
76 $(PKG_BUILD_DIR)/include/asm-mips/asm.h \
77 $(PKG_BUILD_DIR)/include/asm-mips/regdef.h \
78 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
81 # XXX: the following are needed to build a cris toolchain
82 define Build/Prepare/post/cris
84 $(PKG_BUILD_DIR)/include/linux/user.h \
85 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
87 $(PKG_BUILD_DIR)/include/asm-cris/elf.h \
88 $(PKG_BUILD_DIR)/include/asm-cris/page.h \
89 $(PKG_BUILD_DIR)/include/asm-cris/user.h \
90 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
91 mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
93 $(PKG_BUILD_DIR)/include/asm-cris/arch/elf.h \
94 $(PKG_BUILD_DIR)/include/asm-cris/arch/page.h \
95 $(PKG_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
96 $(PKG_BUILD_DIR)/include/asm-cris/arch/user.h \
97 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
99 $(PKG_BUILD_DIR)/include/asm-generic/memory_model.h \
100 $(PKG_BUILD_DIR)/include/asm-generic/page.h \
101 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
104 define Build/Prepare/post/mips
105 $(call Build/Prepare/lzma)
108 define Build/Prepare/post/mipsel
109 $(call Build/Prepare/lzma)
113 $(call Kernel/Prepare/Default)
114 ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
115 $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
116 yes '' | $(KMAKE) oldconfig
117 $(KMAKE) include/linux/version.h include/asm
118 if [ -d $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
120 $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
121 $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
123 $(call Build/Prepare/pre/$(ARCH))
124 $(call Build/Prepare/all)
125 $(call Build/Prepare/post/$(ARCH))
128 define Build/Configure
135 $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
141 $(BUILD_DIR_TOOLCHAIN)/linux \
142 $(BUILD_DIR_TOOLCHAIN)/linux-dev
145 $(eval $(call HostBuild))