package/busybox/busybox.mk

   1 ################################################################################
   2 #
   3 # busybox
   4 #
   5 ################################################################################
   6
   7 BUSYBOX_VERSION = 1.28.2
   8 BUSYBOX_SITE = http://www.busybox.net/downloads
   9 BUSYBOX_SOURCE = busybox-$(BUSYBOX_VERSION).tar.bz2
  10 BUSYBOX_LICENSE = GPL-2.0
  11 BUSYBOX_LICENSE_FILES = LICENSE
  12
  13 define BUSYBOX_HELP_CMDS
  14         @echo '  busybox-menuconfig     - Run BusyBox menuconfig'
  15 endef
  16
  17 BUSYBOX_CFLAGS = \
  18         $(TARGET_CFLAGS)
  19
  20 BUSYBOX_LDFLAGS = \
  21         $(TARGET_LDFLAGS)
  22
  23 # Link against libtirpc if available so that we can leverage its RPC
  24 # support for NFS mounting with BusyBox
  25 ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
  26 BUSYBOX_DEPENDENCIES += libtirpc host-pkgconf
  27 BUSYBOX_CFLAGS += "`$(PKG_CONFIG_HOST_BINARY) --cflags libtirpc`"
  28 # Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for
  29 # the non-final link of modules as well.
  30 BUSYBOX_CFLAGS_busybox += "`$(PKG_CONFIG_HOST_BINARY) --libs libtirpc`"
  31 endif
  32
  33 BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config
  34 # Allows the build system to tweak CFLAGS
  35 BUSYBOX_MAKE_ENV = \
  36         $(TARGET_MAKE_ENV) \
  37         CFLAGS="$(BUSYBOX_CFLAGS)" \
  38         CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"
  39
  40 ifeq ($(BR2_REPRODUCIBLE),y)
  41 BUSYBOX_MAKE_ENV += \
  42         KCONFIG_NOTIMESTAMP=1
  43 endif
  44
  45 BUSYBOX_MAKE_OPTS = \
  46         CC="$(TARGET_CC)" \
  47         ARCH=$(KERNEL_ARCH) \
  48         PREFIX="$(TARGET_DIR)" \
  49         EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
  50         CROSS_COMPILE="$(TARGET_CROSS)" \
  51         CONFIG_PREFIX="$(TARGET_DIR)" \
  52         SKIP_STRIP=y
  53
  54 ifndef BUSYBOX_CONFIG_FILE
  55 BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
  56 endif
  57
  58 BUSYBOX_KCONFIG_FILE = $(BUSYBOX_CONFIG_FILE)
  59 BUSYBOX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES))
  60 BUSYBOX_KCONFIG_EDITORS = menuconfig xconfig gconfig
  61 BUSYBOX_KCONFIG_OPTS = $(BUSYBOX_MAKE_OPTS)
  62
  63 ifeq ($(BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES),y)
  64 define BUSYBOX_PERMISSIONS
  65 # Set permissions on all applets with BB_SUID_REQUIRE and BB_SUID_MAYBE.
  66 # 12 Applets are pulled from applets.h using grep command :
  67 #  grep -r -e "APPLET.*BB_SUID_REQUIRE\|APPLET.*BB_SUID_MAYBE" \
  68 #  $(@D)/include/applets.h
  69 # These applets are added to the device table and the makedev file
  70 # ignores the files with type 'F' ( optional files).
  71         /usr/bin/wall                    F 4755 0  0 - - - - -
  72         /bin/ping                        F 4755 0  0 - - - - -
  73         /bin/ping6                       F 4755 0  0 - - - - -
  74         /usr/bin/crontab                 F 4755 0  0 - - - - -
  75         /sbin/findfs                     F 4755 0  0 - - - - -
  76         /bin/login                       F 4755 0  0 - - - - -
  77         /bin/mount                       F 4755 0  0 - - - - -
  78         /usr/bin/passwd                  F 4755 0  0 - - - - -
  79         /bin/su                          F 4755 0  0 - - - - -
  80         /usr/bin/traceroute              F 4755 0  0 - - - - -
  81         /usr/bin/traceroute6             F 4755 0  0 - - - - -
  82         /usr/bin/vlock                   F 4755 0  0 - - - - -
  83 endef
  84 else
  85 define BUSYBOX_PERMISSIONS
  86         /bin/busybox                     f 4755 0  0 - - - - -
  87 endef
  88 endif
  89
  90 # If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
  91 ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
  92 define BUSYBOX_INSTALL_MDEV_SCRIPT
  93         $(INSTALL) -D -m 0755 package/busybox/S10mdev \
  94                 $(TARGET_DIR)/etc/init.d/S10mdev
  95 endef
  96 define BUSYBOX_INSTALL_MDEV_CONF
  97         $(INSTALL) -D -m 0644 package/busybox/mdev.conf \
  98                 $(TARGET_DIR)/etc/mdev.conf
  99 endef
 100 define BUSYBOX_SET_MDEV
 101         $(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
 102         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
 103         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
 104         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
 105 endef
 106 endif
 107
 108 # sha passwords need USE_BB_CRYPT_SHA
 109 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
 110 define BUSYBOX_SET_CRYPT_SHA
 111         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
 112 endef
 113 endif
 114
 115 ifeq ($(BR2_USE_MMU),y)
 116 define BUSYBOX_SET_MMU
 117         $(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
 118 endef
 119 else
 120 define BUSYBOX_SET_MMU
 121         $(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
 122         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPON,$(BUSYBOX_BUILD_CONFIG))
 123         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPOFF,$(BUSYBOX_BUILD_CONFIG))
 124         $(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
 125         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
 126         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BASH_COMPAT,$(BUSYBOX_BUILD_CONFIG))
 127         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BRACE_EXPANSION,$(BUSYBOX_BUILD_CONFIG))
 128         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_HELP,$(BUSYBOX_BUILD_CONFIG))
 129         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_INTERACTIVE,$(BUSYBOX_BUILD_CONFIG))
 130         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_SAVEHISTORY,$(BUSYBOX_BUILD_CONFIG))
 131         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_JOB,$(BUSYBOX_BUILD_CONFIG))
 132         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_TICK,$(BUSYBOX_BUILD_CONFIG))
 133         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_IF,$(BUSYBOX_BUILD_CONFIG))
 134         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOOPS,$(BUSYBOX_BUILD_CONFIG))
 135         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_CASE,$(BUSYBOX_BUILD_CONFIG))
 136         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_FUNCTIONS,$(BUSYBOX_BUILD_CONFIG))
 137         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOCAL,$(BUSYBOX_BUILD_CONFIG))
 138         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_RANDOM_SUPPORT,$(BUSYBOX_BUILD_CONFIG))
 139         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_EXPORT_N,$(BUSYBOX_BUILD_CONFIG))
 140         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_MODE_X,$(BUSYBOX_BUILD_CONFIG))
 141 endef
 142 endif
 143
 144 # If we're using static libs do the same for busybox
 145 ifeq ($(BR2_STATIC_LIBS),y)
 146 define BUSYBOX_PREFER_STATIC
 147         $(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 148 endef
 149 endif
 150
 151 # Disable shadow passwords support if unsupported by the C library
 152 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 153 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 154         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 155         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 156 endef
 157 endif
 158
 159 # We also need to use internal shadow password functions when using
 160 # the musl C library, since some of them are not yet implemented by
 161 # musl.
 162 #
 163 # Do not use utmp/wmtp support. wmtp support is not available in musl,
 164 # and utmp support is not sufficient for Busybox.
 165 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 166 define BUSYBOX_MUSL_TWEAKS
 167         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 168         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 169         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_UTMP,$(BUSYBOX_BUILD_CONFIG))
 170         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_WTMP,$(BUSYBOX_BUILD_CONFIG))
 171 endef
 172 endif
 173
 174 define BUSYBOX_INSTALL_UDHCPC_SCRIPT
 175         if grep -q CONFIG_UDHCPC=y $(@D)/.config; then \
 176                 $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 177                         $(TARGET_DIR)/usr/share/udhcpc/default.script; \
 178                 $(INSTALL) -m 0755 -d \
 179                         $(TARGET_DIR)/usr/share/udhcpc/default.script.d; \
 180         fi
 181 endef
 182
 183 ifeq ($(BR2_INIT_BUSYBOX),y)
 184
 185 define BUSYBOX_SET_INIT
 186         $(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 187 endef
 188
 189 ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
 190 define BUSYBOX_SET_GETTY
 191         $(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SYSTEM_GETTY_PORT)::respawn:/sbin/getty -L $(SYSTEM_GETTY_OPTIONS) $(SYSTEM_GETTY_PORT) $(SYSTEM_GETTY_BAUDRATE) $(SYSTEM_GETTY_TERM) #~' \
 192                 $(TARGET_DIR)/etc/inittab
 193 endef
 194 BUSYBOX_TARGET_FINALIZE_HOOKS += BUSYBOX_SET_GETTY
 195 endif # BR2_TARGET_GENERIC_GETTY
 196
 197 BUSYBOX_TARGET_FINALIZE_HOOKS += SYSTEM_REMOUNT_ROOT_INITTAB
 198
 199 endif # BR2_INIT_BUSYBOX
 200
 201 ifeq ($(BR2_PACKAGE_BUSYBOX_SELINUX),y)
 202 BUSYBOX_DEPENDENCIES += host-pkgconf libselinux libsepol
 203 define BUSYBOX_SET_SELINUX
 204         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUX,$(BUSYBOX_BUILD_CONFIG))
 205         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUXENABLED,$(BUSYBOX_BUILD_CONFIG))
 206 endef
 207 endif
 208
 209 ifeq ($(BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES),y)
 210 define BUSYBOX_SET_INDIVIDUAL_BINARIES
 211         $(call KCONFIG_ENABLE_OPT,CONFIG_BUILD_LIBBUSYBOX,$(BUSYBOX_BUILD_CONFIG))
 212         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_INDIVIDUAL,$(BUSYBOX_BUILD_CONFIG))
 213 endef
 214
 215 define BUSYBOX_INSTALL_INDIVIDUAL_BINARIES
 216         rm -f $(TARGET_DIR)/bin/busybox
 217 endef
 218 endif
 219
 220 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 221         if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 222                 $(INSTALL) -m 0755 -D package/busybox/S01logging \
 223                         $(TARGET_DIR)/etc/init.d/S01logging; \
 224         fi
 225 endef
 226
 227 ifeq ($(BR2_INIT_BUSYBOX),y)
 228 define BUSYBOX_INSTALL_INITTAB
 229         $(INSTALL) -D -m 0644 package/busybox/inittab $(TARGET_DIR)/etc/inittab
 230 endef
 231 endif
 232
 233 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 234 define BUSYBOX_SET_WATCHDOG
 235         $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 236 endef
 237 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 238         $(INSTALL) -D -m 0755 package/busybox/S15watchdog \
 239                 $(TARGET_DIR)/etc/init.d/S15watchdog
 240         $(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
 241                 $(TARGET_DIR)/etc/init.d/S15watchdog
 242 endef
 243 endif
 244
 245 # PAM support requires thread support in the toolchain
 246 ifeq ($(BR2_PACKAGE_LINUX_PAM)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
 247 define BUSYBOX_LINUX_PAM
 248         $(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 249 endef
 250 BUSYBOX_DEPENDENCIES += linux-pam
 251 else
 252 define BUSYBOX_LINUX_PAM
 253         $(call KCONFIG_DISABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 254 endef
 255 endif
 256
 257 # Telnet support
 258 define BUSYBOX_INSTALL_TELNET_SCRIPT
 259         if grep -q CONFIG_FEATURE_TELNETD_STANDALONE=y $(@D)/.config; then \
 260                 $(INSTALL) -m 0755 -D package/busybox/S50telnet \
 261                         $(TARGET_DIR)/etc/init.d/S50telnet ; \
 262         fi
 263 endef
 264
 265 # Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
 266 # full-blown versions of apps installed by other packages with sym/hard links.
 267 define BUSYBOX_NOCLOBBER_INSTALL
 268         $(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 269 endef
 270
 271 define BUSYBOX_KCONFIG_FIXUP_CMDS
 272         $(BUSYBOX_SET_MMU)
 273         $(BUSYBOX_PREFER_STATIC)
 274         $(BUSYBOX_SET_MDEV)
 275         $(BUSYBOX_SET_CRYPT_SHA)
 276         $(BUSYBOX_LINUX_PAM)
 277         $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 278         $(BUSYBOX_SET_INIT)
 279         $(BUSYBOX_SET_WATCHDOG)
 280         $(BUSYBOX_SET_SELINUX)
 281         $(BUSYBOX_SET_INDIVIDUAL_BINARIES)
 282         $(BUSYBOX_MUSL_TWEAKS)
 283 endef
 284
 285 define BUSYBOX_CONFIGURE_CMDS
 286         $(BUSYBOX_NOCLOBBER_INSTALL)
 287 endef
 288
 289 define BUSYBOX_BUILD_CMDS
 290         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 291 endef
 292
 293 define BUSYBOX_INSTALL_TARGET_CMDS
 294         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 295         $(BUSYBOX_INSTALL_INITTAB)
 296         $(BUSYBOX_INSTALL_UDHCPC_SCRIPT)
 297         $(BUSYBOX_INSTALL_MDEV_CONF)
 298 endef
 299
 300 define BUSYBOX_INSTALL_INIT_SYSV
 301         $(BUSYBOX_INSTALL_MDEV_SCRIPT)
 302         $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 303         $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 304         $(BUSYBOX_INSTALL_TELNET_SCRIPT)
 305         $(BUSYBOX_INSTALL_INDIVIDUAL_BINARIES)
 306 endef
 307
 308 # Checks to give errors that the user can understand
 309 # Must be before we call to kconfig-package
 310 ifeq ($(BR2_PACKAGE_BUSYBOX)$(BR_BUILDING),yy)
 311 ifeq ($(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG)),)
 312 $(error No BusyBox configuration file specified, check your BR2_PACKAGE_BUSYBOX_CONFIG setting)
 313 endif
 314 endif
 315
 316 $(eval $(kconfig-package))