aboutsummaryrefslogtreecommitdiffstats
path: root/toolchain/kernel-headers/Makefile
blob: 474ff6c71b710d4b59d67f1a70134df6563fc7d9 (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
# 
# 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:=$(LINUX_SITE)
PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
LINUX_DIR := $(PKG_BUILD_DIR)

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

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

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

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

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

ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  define Build/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 Build/Prepare/all
	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
	cp -pLR \
		$(BUILD_DIR_TOOLCHAIN)/linux/include/asm \
		$(BUILD_DIR_TOOLCHAIN)/linux/include/asm-generic \
		$(BUILD_DIR_TOOLCHAIN)/linux/include/asm-$(LINUX_KARCH) \
		$(BUILD_DIR_TOOLCHAIN)/linux/include/linux \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  endef
endif

define Build/Prepare
	$(call Kernel/Prepare/Default)
	$(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
	ln -sf linux-$(LINUX_VERSION) $(LINUX_HEADERS_DIR)
	yes '' | $(KMAKE) oldconfig
	$(KMAKE) include/linux/version.h include/asm
	if [ -d $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
		$(CP) \
			$(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
			$(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
	fi
	$(call Build/Prepare/pre/$(ARCH))
	$(call Build/Prepare/all)
endef

define Build/Configure
endef

define Build/Compile
endef

define Build/Install/all
	mkdir -p $(TOOLCHAIN_DIR)/usr/include
	$(CP) \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/* \
		$(TOOLCHAIN_DIR)/usr/include/
endef

# XXX: the following is needed to build lzma-loader
define Build/Install/post/lzma
	$(CP) \
		$(BUILD_DIR_TOOLCHAIN)/linux/include/asm-mips/asm.h \
		$(BUILD_DIR_TOOLCHAIN)/linux/include/asm-mips/regdef.h \
		$(TOOLCHAIN_DIR)/usr/include/asm/
endef

# XXX: the following is needed to build final gcc on cris
define Build/Install/post/cris
	mkdir -p $(TOOLCHAIN_DIR)/usr/include/asm/arch
	$(CP) \
		$(PKG_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
		$(TOOLCHAIN_DIR)/usr/include/asm/arch/
endef

define Build/Install/post/mips
	$(call Build/Install/post/lzma)
endef

define Build/Install/post/mipsel
	$(call Build/Install/post/lzma)
endef

define Build/Install
	$(call Build/Install/all)
	$(call Build/Install/post/$(ARCH))
endef

define Build/Clean
	rm -rf \
		$(PKG_BUILD_DIR) \
		$(BUILD_DIR_TOOLCHAIN)/linux \
		$(BUILD_DIR_TOOLCHAIN)/linux-dev
endef

$(eval $(call HostBuild))