summaryrefslogtreecommitdiffstats
path: root/toolchain/kernel-headers/Makefile
blob: 38e65189b3420dc2ee1ec0ade6755834f7e3223e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
# 
# Copyright (C) 2006-2009 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk

KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
BUILD_DIR := $(KERNEL_BUILD_DIR)

STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)

override QUILT:=
override CONFIG_AUTOREBUILD=

include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=linux
PKG_VERSION:=$(LINUX_VERSION)
PKG_SOURCE:=$(LINUX_SOURCE)
PKG_SOURCE_URL:=$(LINUX_SITE)
HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
LINUX_DIR := $(HOST_BUILD_DIR)

include $(INCLUDE_DIR)/host-build.mk
include $(INCLUDE_DIR)/kernel-defaults.mk

ifeq ($(strip $(BOARD)),uml)
  LINUX_KARCH:=$(ARCH)
endif

ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  LINUX_HAS_HEADERS_INSTALL:=y
endif

KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
	ARCH=$(LINUX_KARCH) \
	KBUILD_HAVE_NLS=no \
	CONFIG_SHELL=$(BASH)

define Host/Prepare/pre/cris
	ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/include/asm-cris/arch
	ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/arch/cris/arch
endef

define Host/Prepare/pre/powerpc
	if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
		$(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
		rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
		ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
	fi
endef

ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  define Host/Prepare/all
	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
	$(KMAKE) \
		CROSS_COMPILE=$(TARGET_CROSS) \
		INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
		headers_install
  endef
else
  define Host/Prepare/all
	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
	cp -pLR \
		$(HOST_BUILD_DIR)/include/asm \
		$(HOST_BUILD_DIR)/include/asm-generic \
		$(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
		$(HOST_BUILD_DIR)/include/linux \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  endef
endif

# XXX: the following is needed to build lzma-loader
define Host/Prepare/lzma
	$(CP) \
		$(HOST_BUILD_DIR)/include/asm-mips/asm.h \
		$(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
endef

# XXX: the following are needed to build a cris toolchain
define Host/Prepare/post/cris
	$(CP) \
		$(HOST_BUILD_DIR)/include/linux/user.h \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
	$(CP) \
		$(HOST_BUILD_DIR)/include/asm-cris/elf.h \
		$(HOST_BUILD_DIR)/include/asm-cris/page.h \
		$(HOST_BUILD_DIR)/include/asm-cris/user.h \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
	$(CP) \
		$(HOST_BUILD_DIR)/include/asm-cris/arch/elf.h \
		$(HOST_BUILD_DIR)/include/asm-cris/arch/page.h \
		$(HOST_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
		$(HOST_BUILD_DIR)/include/asm-cris/arch/user.h \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
	$(CP) \
		$(HOST_BUILD_DIR)/include/asm-generic/memory_model.h \
		$(HOST_BUILD_DIR)/include/asm-generic/page.h \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
endef

define Host/Prepare/post/mips
	$(call Host/Prepare/lzma)
endef

define Host/Prepare/post/mipsel
	$(call Host/Prepare/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
	yes '' | $(KMAKE) oldconfig
	$(KMAKE) include/linux/version.h include/asm
	if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
		$(CP) \
			$(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
			$(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
	fi
	$(call Host/Prepare/pre/$(ARCH))
	$(call Host/Prepare/all)
	$(call Host/Prepare/post/$(ARCH))
endef

define Host/Configure
endef

define Host/Compile
endef

define Host/Install
	$(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
endef

define Host/Clean
	rm -rf \
		$(HOST_BUILD_DIR) \
		$(BUILD_DIR_TOOLCHAIN)/linux \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev
endef

$(eval $(call HostBuild))