summaryrefslogtreecommitdiff
path: root/package/skeleton/skeleton.mk
blob: 1000161c34fe86334e00db504c60cc59f8cf23e9 (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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
################################################################################
#
# skeleton
#
################################################################################

# The skeleton can't depend on the toolchain, since all packages depends on the
# skeleton and the toolchain is a target package, as is skeleton.
# Hence, skeleton would depends on the toolchain and the toolchain would depend
# on skeleton.
SKELETON_ADD_TOOLCHAIN_DEPENDENCY = NO

# The skeleton also handles the merged /usr case in the sysroot
SKELETON_INSTALL_STAGING = YES

ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)

SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))

ifeq ($(BR_BUILDING),y)
ifeq ($(SKELETON_PATH),)
$(error No path specified for the custom skeleton)
endif
endif

ifeq ($(BR2_ROOTFS_MERGED_USR),y)

# Ensure the user has prepared a merged /usr.
#
# Extract the inode numbers for all of those directories. In case any is
# a symlink, we want to get the inode of the pointed-to directory, so we
# append '/.' to be sure we get the target directory. Since the symlinks
# can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
# all of them.
#
SKELETON_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/lib/.)
SKELETON_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/bin/.)
SKELETON_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/sbin/.)
SKELETON_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/lib/.)
SKELETON_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/bin/.)
SKELETON_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/sbin/.)

ifneq ($(SKELETON_LIB_INODE),$(SKELETON_USR_LIB_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /lib
endif
ifneq ($(SKELETON_BIN_INODE),$(SKELETON_USR_BIN_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /bin
endif
ifneq ($(SKELETON_SBIN_INODE),$(SKELETON_USR_SBIN_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
endif

ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
$(error The custom skeleton in $(SKELETON_PATH) is not \
	using a merged /usr for the following directories: \
	$(SKELETON_CUSTOM_NOT_MERGED_USR))
endif

endif # merged /usr

else # ! custom skeleton

SKELETON_PATH = system/skeleton

endif # ! custom skeleton

# This function handles the merged or non-merged /usr cases
ifeq ($(BR2_ROOTFS_MERGED_USR),y)
define SKELETON_USR_SYMLINKS_OR_DIRS
	ln -snf usr/bin $(1)/bin
	ln -snf usr/sbin $(1)/sbin
	ln -snf usr/lib $(1)/lib
endef
else
define SKELETON_USR_SYMLINKS_OR_DIRS
	$(INSTALL) -d -m 0755 $(1)/bin
	$(INSTALL) -d -m 0755 $(1)/sbin
	$(INSTALL) -d -m 0755 $(1)/lib
endef
endif

# We make a symlink lib32->lib or lib64->lib as appropriate
# MIPS64/n32 requires lib32 even though it's a 64-bit arch.
ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
SKELETON_LIB_SYMLINK = lib64
else
SKELETON_LIB_SYMLINK = lib32
endif

define SKELETON_INSTALL_TARGET_CMDS
	rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
		--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
		$(SKELETON_PATH)/ $(TARGET_DIR)/
	$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
	ln -snf lib $(TARGET_DIR)/$(SKELETON_LIB_SYMLINK)
	ln -snf lib $(TARGET_DIR)/usr/$(SKELETON_LIB_SYMLINK)
	$(INSTALL) -m 0644 support/misc/target-dir-warning.txt \
		$(TARGET_DIR_WARNING_FILE)
endef

# For the staging dir, we don't really care about /bin and /sbin.
# But for consistency with the target dir, and to simplify the code,
# we still handle them for the merged or non-merged /usr cases.
# Since the toolchain is not yet available, the staging is not yet
# populated, so we need to create the directories in /usr
define SKELETON_INSTALL_STAGING_CMDS
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/lib
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/bin
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/sbin
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/include
	$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(STAGING_DIR))
	ln -snf lib $(STAGING_DIR)/$(SKELETON_LIB_SYMLINK)
	ln -snf lib $(STAGING_DIR)/usr/$(SKELETON_LIB_SYMLINK)
endef

# The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
# default skeleton.
ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)

SKELETON_TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
SKELETON_TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
SKELETON_TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
SKELETON_TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
SKELETON_TARGET_GENERIC_BIN_SH = $(call qstrip,$(BR2_SYSTEM_BIN_SH))
SKELETON_TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
SKELETON_TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
SKELETON_TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
SKELETON_TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))

ifneq ($(SKELETON_TARGET_GENERIC_HOSTNAME),)
define SKELETON_SET_HOSTNAME
	mkdir -p $(TARGET_DIR)/etc
	echo "$(SKELETON_TARGET_GENERIC_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
	$(SED) '$$a \127.0.1.1\t$(SKELETON_TARGET_GENERIC_HOSTNAME)' \
		-e '/^127.0.1.1/d' $(TARGET_DIR)/etc/hosts
endef
TARGET_FINALIZE_HOOKS += SKELETON_SET_HOSTNAME
endif

ifneq ($(SKELETON_TARGET_GENERIC_ISSUE),)
define SKELETON_SET_ISSUE
	mkdir -p $(TARGET_DIR)/etc
	echo "$(SKELETON_TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
endef
TARGET_FINALIZE_HOOKS += SKELETON_SET_ISSUE
endif

define SKELETON_SET_NETWORK_LOCALHOST
	( \
		echo "# interface file auto-generated by buildroot"; \
		echo ;                                               \
		echo "auto lo";                                      \
		echo "iface lo inet loopback";                       \
	) > $(TARGET_DIR)/etc/network/interfaces
endef

SKELETON_NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))

ifneq ($(SKELETON_NETWORK_DHCP_IFACE),)
define SKELETON_SET_NETWORK_DHCP
	( \
		echo ;                                               \
		echo "auto $(SKELETON_NETWORK_DHCP_IFACE)";                   \
		echo "iface $(SKELETON_NETWORK_DHCP_IFACE) inet dhcp";        \
		echo "	pre-up /etc/network/nfs_check";              \
		echo "	wait-delay 15";                              \
	) >> $(TARGET_DIR)/etc/network/interfaces
	$(INSTALL) -m 0755 -D $(SKELETON_PKGDIR)/nfs_check \
		$(TARGET_DIR)/etc/network/nfs_check
endef
endif

define SKELETON_SET_NETWORK
	mkdir -p $(TARGET_DIR)/etc/network/
	$(SKELETON_SET_NETWORK_LOCALHOST)
	$(SKELETON_SET_NETWORK_DHCP)
endef

TARGET_FINALIZE_HOOKS += SKELETON_SET_NETWORK

ifeq ($(BR2_TARGET_ENABLE_ROOT_LOGIN),y)
ifeq ($(SKELETON_TARGET_GENERIC_ROOT_PASSWD),)
SKELETON_ROOT_PASSWORD =
else ifneq ($(filter $$1$$% $$5$$% $$6$$%,$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)),)
SKELETON_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
else
SKELETON_DEPENDENCIES += host-mkpasswd
# This variable will only be evaluated in the finalize stage, so we can
# be sure that host-mkpasswd will have already been built by that time.
SKELETON_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
endif
else # !BR2_TARGET_ENABLE_ROOT_LOGIN
SKELETON_ROOT_PASSWORD = "*"
endif

define SKELETON_SET_ROOT_PASSWD
	$(SED) s,^root:[^:]*:,root:$(SKELETON_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
endef
TARGET_FINALIZE_HOOKS += SKELETON_SET_ROOT_PASSWD

ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
define SKELETON_BIN_SH
	rm -f $(TARGET_DIR)/bin/sh
endef
else
define SKELETON_BIN_SH
	ln -sf $(SKELETON_TARGET_GENERIC_BIN_SH) $(TARGET_DIR)/bin/sh
endef
endif
TARGET_FINALIZE_HOOKS += SKELETON_BIN_SH

ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
ifeq ($(BR2_INIT_SYSV),y)
# In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
# skip the "tty" part and keep only the remaining.
define SKELETON_SET_GETTY
	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(SKELETON_TARGET_GENERIC_GETTY_PORT) | tail -c+4)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
		$(TARGET_DIR)/etc/inittab
endef
else ifeq ($(BR2_INIT_BUSYBOX),y)
# Add getty to busybox inittab
define SKELETON_SET_GETTY
	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SKELETON_TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
		$(TARGET_DIR)/etc/inittab
endef
endif
TARGET_FINALIZE_HOOKS += SKELETON_SET_GETTY
endif

ifeq ($(BR2_INIT_BUSYBOX)$(BR2_INIT_SYSV),y)
ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
# Find commented line, if any, and remove leading '#'s
define SKELETON_REMOUNT_RW
	$(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
endef
else
# Find uncommented line, if any, and add a leading '#'
define SKELETON_REMOUNT_RW
	$(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
endef
endif
TARGET_FINALIZE_HOOKS += SKELETON_REMOUNT_RW
endif # BR2_INIT_BUSYBOX || BR2_INIT_SYSV

endif # BR2_ROOTFS_SKELETON_DEFAULT

$(eval $(generic-package))