package/skeleton/skeleton.mk

   1 ################################################################################
   2 #
   3 # skeleton
   4 #
   5 ################################################################################
   6
   7 # The skeleton can't depend on the toolchain, since all packages depends on the
   8 # skeleton and the toolchain is a target package, as is skeleton.
   9 # Hence, skeleton would depends on the toolchain and the toolchain would depend
  10 # on skeleton.
  11 SKELETON_ADD_TOOLCHAIN_DEPENDENCY = NO
  12
  13 # The skeleton also handles the merged /usr case in the sysroot
  14 SKELETON_INSTALL_STAGING = YES
  15
  16 ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
  17
  18 SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))
  19
  20 ifeq ($(BR_BUILDING),y)
  21 ifeq ($(SKELETON_PATH),)
  22 $(error No path specified for the custom skeleton)
  23 endif
  24 endif
  25
  26 ifeq ($(BR2_ROOTFS_MERGED_USR),y)
  27
  28 # Ensure the user has prepared a merged /usr.
  29 #
  30 # Extract the inode numbers for all of those directories. In case any is
  31 # a symlink, we want to get the inode of the pointed-to directory, so we
  32 # append '/.' to be sure we get the target directory. Since the symlinks
  33 # can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
  34 # all of them.
  35 #
  36 SKELETON_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/lib/.)
  37 SKELETON_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/bin/.)
  38 SKELETON_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/sbin/.)
  39 SKELETON_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/lib/.)
  40 SKELETON_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/bin/.)
  41 SKELETON_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/sbin/.)
  42
  43 ifneq ($(SKELETON_LIB_INODE),$(SKELETON_USR_LIB_INODE))
  44 SKELETON_CUSTOM_NOT_MERGED_USR += /lib
  45 endif
  46 ifneq ($(SKELETON_BIN_INODE),$(SKELETON_USR_BIN_INODE))
  47 SKELETON_CUSTOM_NOT_MERGED_USR += /bin
  48 endif
  49 ifneq ($(SKELETON_SBIN_INODE),$(SKELETON_USR_SBIN_INODE))
  50 SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
  51 endif
  52
  53 ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
  54 $(error The custom skeleton in $(SKELETON_PATH) is not \
  55         using a merged /usr for the following directories: \
  56         $(SKELETON_CUSTOM_NOT_MERGED_USR))
  57 endif
  58
  59 endif # merged /usr
  60
  61 else # ! custom skeleton
  62
  63 SKELETON_PATH = system/skeleton
  64
  65 endif # ! custom skeleton
  66
  67 # This function handles the merged or non-merged /usr cases
  68 ifeq ($(BR2_ROOTFS_MERGED_USR),y)
  69 define SKELETON_USR_SYMLINKS_OR_DIRS
  70         ln -snf usr/bin $(1)/bin
  71         ln -snf usr/sbin $(1)/sbin
  72         ln -snf usr/lib $(1)/lib
  73 endef
  74 else
  75 define SKELETON_USR_SYMLINKS_OR_DIRS
  76         $(INSTALL) -d -m 0755 $(1)/bin
  77         $(INSTALL) -d -m 0755 $(1)/sbin
  78         $(INSTALL) -d -m 0755 $(1)/lib
  79 endef
  80 endif
  81
  82 # We make a symlink lib32->lib or lib64->lib as appropriate
  83 # MIPS64/n32 requires lib32 even though it's a 64-bit arch.
  84 ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
  85 SKELETON_LIB_SYMLINK = lib64
  86 else
  87 SKELETON_LIB_SYMLINK = lib32
  88 endif
  89
  90 define SKELETON_INSTALL_TARGET_CMDS
  91         rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
  92                 --chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
  93                 $(SKELETON_PATH)/ $(TARGET_DIR)/
  94         $(call SKELETON_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
  95         ln -snf lib $(TARGET_DIR)/$(SKELETON_LIB_SYMLINK)
  96         ln -snf lib $(TARGET_DIR)/usr/$(SKELETON_LIB_SYMLINK)
  97         $(INSTALL) -m 0644 support/misc/target-dir-warning.txt \
  98                 $(TARGET_DIR_WARNING_FILE)
  99 endef
 100
 101 # For the staging dir, we don't really care about /bin and /sbin.
 102 # But for consistency with the target dir, and to simplify the code,
 103 # we still handle them for the merged or non-merged /usr cases.
 104 # Since the toolchain is not yet available, the staging is not yet
 105 # populated, so we need to create the directories in /usr
 106 define SKELETON_INSTALL_STAGING_CMDS
 107         $(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/lib
 108         $(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/bin
 109         $(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/sbin
 110         $(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/include
 111         $(call SKELETON_USR_SYMLINKS_OR_DIRS,$(STAGING_DIR))
 112         ln -snf lib $(STAGING_DIR)/$(SKELETON_LIB_SYMLINK)
 113         ln -snf lib $(STAGING_DIR)/usr/$(SKELETON_LIB_SYMLINK)
 114 endef
 115
 116 # The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
 117 # default skeleton.
 118 ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
 119
 120 SKELETON_TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
 121 SKELETON_TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
 122 SKELETON_TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
 123 SKELETON_TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
 124 SKELETON_TARGET_GENERIC_BIN_SH = $(call qstrip,$(BR2_SYSTEM_BIN_SH))
 125 SKELETON_TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
 126 SKELETON_TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
 127 SKELETON_TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
 128 SKELETON_TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))
 129
 130 ifneq ($(SKELETON_TARGET_GENERIC_HOSTNAME),)
 131 define SKELETON_SET_HOSTNAME
 132         mkdir -p $(TARGET_DIR)/etc
 133         echo "$(SKELETON_TARGET_GENERIC_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
 134         $(SED) '$$a \127.0.1.1\t$(SKELETON_TARGET_GENERIC_HOSTNAME)' \
 135                 -e '/^127.0.1.1/d' $(TARGET_DIR)/etc/hosts
 136 endef
 137 TARGET_FINALIZE_HOOKS += SKELETON_SET_HOSTNAME
 138 endif
 139
 140 ifneq ($(SKELETON_TARGET_GENERIC_ISSUE),)
 141 define SKELETON_SET_ISSUE
 142         mkdir -p $(TARGET_DIR)/etc
 143         echo "$(SKELETON_TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
 144 endef
 145 TARGET_FINALIZE_HOOKS += SKELETON_SET_ISSUE
 146 endif
 147
 148 define SKELETON_SET_NETWORK_LOCALHOST
 149         ( \
 150                 echo "# interface file auto-generated by buildroot"; \
 151                 echo ;                                               \
 152                 echo "auto lo";                                      \
 153                 echo "iface lo inet loopback";                       \
 154         ) > $(TARGET_DIR)/etc/network/interfaces
 155 endef
 156
 157 SKELETON_NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))
 158
 159 ifneq ($(SKELETON_NETWORK_DHCP_IFACE),)
 160 define SKELETON_SET_NETWORK_DHCP
 161         ( \
 162                 echo ;                                               \
 163                 echo "auto $(SKELETON_NETWORK_DHCP_IFACE)";                   \
 164                 echo "iface $(SKELETON_NETWORK_DHCP_IFACE) inet dhcp";        \
 165                 echo "  pre-up /etc/network/nfs_check";              \
 166                 echo "  wait-delay 15";                              \
 167         ) >> $(TARGET_DIR)/etc/network/interfaces
 168         $(INSTALL) -m 0755 -D $(SKELETON_PKGDIR)/nfs_check \
 169                 $(TARGET_DIR)/etc/network/nfs_check
 170 endef
 171 endif
 172
 173 define SKELETON_SET_NETWORK
 174         mkdir -p $(TARGET_DIR)/etc/network/
 175         $(SKELETON_SET_NETWORK_LOCALHOST)
 176         $(SKELETON_SET_NETWORK_DHCP)
 177 endef
 178
 179 TARGET_FINALIZE_HOOKS += SKELETON_SET_NETWORK
 180
 181 ifeq ($(BR2_TARGET_ENABLE_ROOT_LOGIN),y)
 182 ifeq ($(SKELETON_TARGET_GENERIC_ROOT_PASSWD),)
 183 SKELETON_ROOT_PASSWORD =
 184 else ifneq ($(filter $$1$$% $$5$$% $$6$$%,$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)),)
 185 SKELETON_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
 186 else
 187 SKELETON_DEPENDENCIES += host-mkpasswd
 188 # This variable will only be evaluated in the finalize stage, so we can
 189 # be sure that host-mkpasswd will have already been built by that time.
 190 SKELETON_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
 191 endif
 192 else # !BR2_TARGET_ENABLE_ROOT_LOGIN
 193 SKELETON_ROOT_PASSWORD = "*"
 194 endif
 195
 196 define SKELETON_SET_ROOT_PASSWD
 197         $(SED) s,^root:[^:]*:,root:$(SKELETON_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
 198 endef
 199 TARGET_FINALIZE_HOOKS += SKELETON_SET_ROOT_PASSWD
 200
 201 ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
 202 define SKELETON_BIN_SH
 203         rm -f $(TARGET_DIR)/bin/sh
 204 endef
 205 else
 206 define SKELETON_BIN_SH
 207         ln -sf $(SKELETON_TARGET_GENERIC_BIN_SH) $(TARGET_DIR)/bin/sh
 208 endef
 209 endif
 210 TARGET_FINALIZE_HOOKS += SKELETON_BIN_SH
 211
 212 ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
 213 ifeq ($(BR2_INIT_SYSV),y)
 214 # In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
 215 # skip the "tty" part and keep only the remaining.
 216 define SKELETON_SET_GETTY
 217         $(SED) '/# GENERIC_SERIAL$$/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) #~' \
 218                 $(TARGET_DIR)/etc/inittab
 219 endef
 220 else ifeq ($(BR2_INIT_BUSYBOX),y)
 221 # Add getty to busybox inittab
 222 define SKELETON_SET_GETTY
 223         $(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SKELETON_TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
 224                 $(TARGET_DIR)/etc/inittab
 225 endef
 226 endif
 227 TARGET_FINALIZE_HOOKS += SKELETON_SET_GETTY
 228 endif
 229
 230 ifeq ($(BR2_INIT_BUSYBOX)$(BR2_INIT_SYSV),y)
 231 ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
 232 # Find commented line, if any, and remove leading '#'s
 233 define SKELETON_REMOUNT_RW
 234         $(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
 235 endef
 236 else
 237 # Find uncommented line, if any, and add a leading '#'
 238 define SKELETON_REMOUNT_RW
 239         $(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
 240 endef
 241 endif
 242 TARGET_FINALIZE_HOOKS += SKELETON_REMOUNT_RW
 243 endif # BR2_INIT_BUSYBOX || BR2_INIT_SYSV
 244
 245 endif # BR2_ROOTFS_SKELETON_DEFAULT
 246
 247 $(eval $(generic-package))