Root/toolchain/kernel-headers/Makefile

1#
2# Copyright (C) 2006-2009 OpenWrt.org
3#
4# This is free software, licensed under the GNU General Public License v2.
5# See /LICENSE for more information.
6#
7include $(TOPDIR)/rules.mk
8
9KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
10BUILD_DIR := $(KERNEL_BUILD_DIR)
11
12override QUILT:=
13override HOST_QUILT:=
14
15include $(INCLUDE_DIR)/kernel.mk
16
17PKG_NAME:=linux
18PKG_VERSION:=$(LINUX_VERSION)
19PKG_SOURCE:=$(LINUX_SOURCE)
20PKG_SOURCE_URL:=$(LINUX_SITE)
21HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
22PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
23LINUX_DIR := $(HOST_BUILD_DIR)
24FILES_DIR :=
25
26include $(INCLUDE_DIR)/toolchain-build.mk
27include $(INCLUDE_DIR)/kernel-defaults.mk
28
29ifeq ($(strip $(BOARD)),uml)
30  LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
31endif
32
33ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
34  LINUX_HAS_HEADERS_INSTALL:=y
35endif
36
37ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1)
38  LINUX_ASM_INCLUDES:=arch/$(LINUX_KARCH)/include/asm
39else
40  LINUX_ASM_INCLUDES:=include/asm
41endif
42
43KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
44    ARCH=$(LINUX_KARCH) \
45    KBUILD_HAVE_NLS=no \
46    CONFIG_SHELL=$(BASH)
47
48define Host/Prepare/pre/powerpc
49    if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
50        mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
51        $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
52        rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
53        ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
54    fi
55endef
56
57ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
58  define Host/Prepare/all
59    mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
60    $(KMAKE) \
61        CROSS_COMPILE=$(TARGET_CROSS) \
62        INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
63        headers_install
64  endef
65else
66  define Host/Prepare/all
67    mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
68    cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
69    cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
70    cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
71    cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
72  endef
73endif
74
75# XXX: the following is needed to build lzma-loader
76define Host/Prepare/lzma
77    $(CP) \
78        $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
79        $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
80        $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
81endef
82
83define Host/Prepare/post/cris
84    $(CP) \
85        $(HOST_BUILD_DIR)/include/linux/user.h \
86        $(HOST_BUILD_DIR)/include/linux/autoconf.h \
87        $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
88    ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
89        $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
90    $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
91endef
92
93define Host/Prepare/post/ubicom32
94    $(CP) \
95        $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
96        $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
97        $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
98        $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
99        $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
100endef
101
102define Host/Prepare/post/mips
103    $(call Host/Prepare/lzma)
104endef
105
106define Host/Prepare/post/mipsel
107    $(call Host/Prepare/lzma)
108endef
109
110define Host/Prepare
111    $(call Kernel/Prepare/Default)
112    ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
113    $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
114    yes '' | $(KMAKE) oldconfig
115    $(KMAKE) include/linux/version.h $(LINUX_ASM_INCLUDES)
116    if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
117        $(CP) \
118            $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
119            $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
120    fi
121    $(call Host/Prepare/pre/$(ARCH))
122    $(call Host/Prepare/all)
123    $(call Host/Prepare/post/$(ARCH))
124endef
125
126define Host/Configure
127endef
128
129define Host/Compile
130endef
131
132define Host/Install
133    $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
134endef
135
136define Host/Clean
137    rm -rf \
138        $(HOST_BUILD_DIR) \
139        $(BUILD_DIR_TOOLCHAIN)/linux \
140        $(BUILD_DIR_TOOLCHAIN)/linux-dev
141endef
142
143$(eval $(call HostBuild))
144

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