package/busybox/busybox.mk

   1 ################################################################################
   2 #
   3 # busybox
   4 #
   5 ################################################################################
   6
   7 BUSYBOX_VERSION = 1.26.2
   8 BUSYBOX_SITE = http://www.busybox.net/downloads
   9 BUSYBOX_SOURCE = busybox-$(BUSYBOX_VERSION).tar.bz2
  10 BUSYBOX_LICENSE = GPLv2
  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 = $(BUSYBOX_MAKE_OPTS)
  62
  63 define BUSYBOX_PERMISSIONS
  64         /bin/busybox                     f 4755 0  0 - - - - -
  65 endef
  66
  67 # If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
  68 ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
  69 define BUSYBOX_INSTALL_MDEV_SCRIPT
  70         $(INSTALL) -D -m 0755 package/busybox/S10mdev \
  71                 $(TARGET_DIR)/etc/init.d/S10mdev
  72 endef
  73 define BUSYBOX_INSTALL_MDEV_CONF
  74         $(INSTALL) -D -m 0644 package/busybox/mdev.conf \
  75                 $(TARGET_DIR)/etc/mdev.conf
  76 endef
  77 define BUSYBOX_SET_MDEV
  78         $(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
  79         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
  80         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
  81         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
  82 endef
  83 endif
  84
  85 # sha passwords need USE_BB_CRYPT_SHA
  86 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
  87 define BUSYBOX_SET_CRYPT_SHA
  88         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
  89 endef
  90 endif
  91
  92 ifeq ($(BR2_USE_MMU),y)
  93 define BUSYBOX_SET_MMU
  94         $(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  95 endef
  96 else
  97 define BUSYBOX_SET_MMU
  98         $(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  99         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPON,$(BUSYBOX_BUILD_CONFIG))
 100         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPOFF,$(BUSYBOX_BUILD_CONFIG))
 101         $(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
 102         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
 103         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BASH_COMPAT,$(BUSYBOX_BUILD_CONFIG))
 104         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BRACE_EXPANSION,$(BUSYBOX_BUILD_CONFIG))
 105         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_HELP,$(BUSYBOX_BUILD_CONFIG))
 106         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_INTERACTIVE,$(BUSYBOX_BUILD_CONFIG))
 107         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_SAVEHISTORY,$(BUSYBOX_BUILD_CONFIG))
 108         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_JOB,$(BUSYBOX_BUILD_CONFIG))
 109         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_TICK,$(BUSYBOX_BUILD_CONFIG))
 110         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_IF,$(BUSYBOX_BUILD_CONFIG))
 111         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOOPS,$(BUSYBOX_BUILD_CONFIG))
 112         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_CASE,$(BUSYBOX_BUILD_CONFIG))
 113         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_FUNCTIONS,$(BUSYBOX_BUILD_CONFIG))
 114         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOCAL,$(BUSYBOX_BUILD_CONFIG))
 115         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_RANDOM_SUPPORT,$(BUSYBOX_BUILD_CONFIG))
 116         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_EXPORT_N,$(BUSYBOX_BUILD_CONFIG))
 117         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_MODE_X,$(BUSYBOX_BUILD_CONFIG))
 118 endef
 119 endif
 120
 121 # If we're using static libs do the same for busybox
 122 ifeq ($(BR2_STATIC_LIBS),y)
 123 define BUSYBOX_PREFER_STATIC
 124         $(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 125 endef
 126 endif
 127
 128 # Disable shadow passwords support if unsupported by the C library
 129 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 130 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 131         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 132         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 133 endef
 134 endif
 135
 136 # We also need to use internal shadow password functions when using
 137 # the musl C library, since some of them are not yet implemented by
 138 # musl.
 139 #
 140 # Do not use utmp/wmtp support. wmtp support is not available in musl,
 141 # and utmp support is not sufficient for Busybox.
 142 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 143 define BUSYBOX_MUSL_TWEAKS
 144         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 145         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 146         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_UTMP,$(BUSYBOX_BUILD_CONFIG))
 147         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_WTMP,$(BUSYBOX_BUILD_CONFIG))
 148 endef
 149 endif
 150
 151 define BUSYBOX_INSTALL_UDHCPC_SCRIPT
 152         if grep -q CONFIG_UDHCPC=y $(@D)/.config; then \
 153                 $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 154                         $(TARGET_DIR)/usr/share/udhcpc/default.script; \
 155                 $(INSTALL) -m 0755 -d \
 156                         $(TARGET_DIR)/usr/share/udhcpc/default.script.d; \
 157         fi
 158 endef
 159
 160 ifeq ($(BR2_INIT_BUSYBOX),y)
 161 define BUSYBOX_SET_INIT
 162         $(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 163 endef
 164 endif
 165
 166 ifeq ($(BR2_PACKAGE_BUSYBOX_SELINUX),y)
 167 BUSYBOX_DEPENDENCIES += host-pkgconf libselinux libsepol
 168 define BUSYBOX_SET_SELINUX
 169         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUX,$(BUSYBOX_BUILD_CONFIG))
 170         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUXENABLED,$(BUSYBOX_BUILD_CONFIG))
 171 endef
 172 endif
 173
 174 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 175         if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 176                 $(INSTALL) -m 0755 -D package/busybox/S01logging \
 177                         $(TARGET_DIR)/etc/init.d/S01logging; \
 178         else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 179 endef
 180
 181 ifeq ($(BR2_INIT_BUSYBOX),y)
 182 define BUSYBOX_INSTALL_INITTAB
 183         $(INSTALL) -D -m 0644 package/busybox/inittab $(TARGET_DIR)/etc/inittab
 184 endef
 185 endif
 186
 187 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 188 define BUSYBOX_SET_WATCHDOG
 189         $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 190 endef
 191 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 192         $(INSTALL) -D -m 0755 package/busybox/S15watchdog \
 193                 $(TARGET_DIR)/etc/init.d/S15watchdog
 194         $(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
 195                 $(TARGET_DIR)/etc/init.d/S15watchdog
 196 endef
 197 endif
 198
 199 # PAM support requires thread support in the toolchain
 200 ifeq ($(BR2_PACKAGE_LINUX_PAM)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
 201 define BUSYBOX_LINUX_PAM
 202         $(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 203 endef
 204 BUSYBOX_DEPENDENCIES += linux-pam
 205 endif
 206
 207 # Telnet support
 208 define BUSYBOX_INSTALL_TELNET_SCRIPT
 209         if grep -q CONFIG_FEATURE_TELNETD_STANDALONE=y $(@D)/.config; then \
 210                 $(INSTALL) -m 0755 -D package/busybox/S50telnet \
 211                         $(TARGET_DIR)/etc/init.d/S50telnet ; \
 212         fi
 213 endef
 214
 215 # Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
 216 # full-blown versions of apps installed by other packages with sym/hard links.
 217 define BUSYBOX_NOCLOBBER_INSTALL
 218         $(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 219 endef
 220
 221 define BUSYBOX_KCONFIG_FIXUP_CMDS
 222         $(BUSYBOX_SET_MMU)
 223         $(BUSYBOX_PREFER_STATIC)
 224         $(BUSYBOX_SET_MDEV)
 225         $(BUSYBOX_SET_CRYPT_SHA)
 226         $(BUSYBOX_LINUX_PAM)
 227         $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 228         $(BUSYBOX_SET_INIT)
 229         $(BUSYBOX_SET_WATCHDOG)
 230         $(BUSYBOX_SET_SELINUX)
 231         $(BUSYBOX_MUSL_TWEAKS)
 232 endef
 233
 234 define BUSYBOX_CONFIGURE_CMDS
 235         $(BUSYBOX_NOCLOBBER_INSTALL)
 236 endef
 237
 238 define BUSYBOX_BUILD_CMDS
 239         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 240 endef
 241
 242 define BUSYBOX_INSTALL_TARGET_CMDS
 243         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 244         $(BUSYBOX_INSTALL_INITTAB)
 245         $(BUSYBOX_INSTALL_UDHCPC_SCRIPT)
 246         $(BUSYBOX_INSTALL_MDEV_CONF)
 247 endef
 248
 249 define BUSYBOX_INSTALL_INIT_SYSV
 250         $(BUSYBOX_INSTALL_MDEV_SCRIPT)
 251         $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 252         $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 253         $(BUSYBOX_INSTALL_TELNET_SCRIPT)
 254 endef
 255
 256 # Checks to give errors that the user can understand
 257 # Must be before we call to kconfig-package
 258 ifeq ($(BR2_PACKAGE_BUSYBOX)$(BR_BUILDING),yy)
 259 ifeq ($(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG)),)
 260 $(error No BusyBox configuration file specified, check your BR2_PACKAGE_BUSYBOX_CONFIG setting)
 261 endif
 262 endif
 263
 264 $(eval $(kconfig-package))