package/busybox/busybox.mk

   1 ################################################################################
   2 #
   3 # busybox
   4 #
   5 ################################################################################
   6
   7 BUSYBOX_VERSION = 1.24.1
   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 BUSYBOX_CFLAGS = \
  14         $(TARGET_CFLAGS)
  15
  16 BUSYBOX_LDFLAGS = \
  17         $(TARGET_LDFLAGS)
  18
  19 # Link against libtirpc if available so that we can leverage its RPC
  20 # support for NFS mounting with BusyBox
  21 ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
  22 BUSYBOX_DEPENDENCIES += libtirpc host-pkgconf
  23 BUSYBOX_CFLAGS += "`$(PKG_CONFIG_HOST_BINARY) --cflags libtirpc`"
  24 # Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for
  25 # the non-final link of modules as well.
  26 BUSYBOX_CFLAGS_busybox += "`$(PKG_CONFIG_HOST_BINARY) --libs libtirpc`"
  27 endif
  28
  29 BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config
  30 # Allows the build system to tweak CFLAGS
  31 BUSYBOX_MAKE_ENV = \
  32         $(TARGET_MAKE_ENV) \
  33         CFLAGS="$(BUSYBOX_CFLAGS)" \
  34         CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"
  35 BUSYBOX_MAKE_OPTS = \
  36         CC="$(TARGET_CC)" \
  37         ARCH=$(KERNEL_ARCH) \
  38         PREFIX="$(TARGET_DIR)" \
  39         EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
  40         CROSS_COMPILE="$(TARGET_CROSS)" \
  41         CONFIG_PREFIX="$(TARGET_DIR)" \
  42         SKIP_STRIP=y
  43
  44 ifndef BUSYBOX_CONFIG_FILE
  45         BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
  46 endif
  47
  48 BUSYBOX_KCONFIG_FILE = $(BUSYBOX_CONFIG_FILE)
  49 BUSYBOX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES))
  50 BUSYBOX_KCONFIG_EDITORS = menuconfig xconfig gconfig
  51 BUSYBOX_KCONFIG_OPTS = $(BUSYBOX_MAKE_OPTS)
  52
  53 define BUSYBOX_PERMISSIONS
  54         /bin/busybox                     f 4755 0  0 - - - - -
  55 endef
  56
  57 # If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
  58 ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
  59 define BUSYBOX_INSTALL_MDEV_SCRIPT
  60         $(INSTALL) -D -m 0755 package/busybox/S10mdev \
  61                 $(TARGET_DIR)/etc/init.d/S10mdev
  62 endef
  63 define BUSYBOX_INSTALL_MDEV_CONF
  64         $(INSTALL) -D -m 0644 package/busybox/mdev.conf \
  65                 $(TARGET_DIR)/etc/mdev.conf
  66 endef
  67 define BUSYBOX_SET_MDEV
  68         $(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
  69         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
  70         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
  71         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
  72 endef
  73 endif
  74
  75 # sha passwords need USE_BB_CRYPT_SHA
  76 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
  77 define BUSYBOX_SET_CRYPT_SHA
  78         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
  79 endef
  80 endif
  81
  82 ifeq ($(BR2_USE_MMU),y)
  83 define BUSYBOX_SET_MMU
  84         $(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  85 endef
  86 else
  87 define BUSYBOX_SET_MMU
  88         $(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  89         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPONOFF,$(BUSYBOX_BUILD_CONFIG))
  90         $(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
  91         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
  92         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BASH_COMPAT,$(BUSYBOX_BUILD_CONFIG))
  93         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BRACE_EXPANSION,$(BUSYBOX_BUILD_CONFIG))
  94         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_HELP,$(BUSYBOX_BUILD_CONFIG))
  95         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_INTERACTIVE,$(BUSYBOX_BUILD_CONFIG))
  96         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_SAVEHISTORY,$(BUSYBOX_BUILD_CONFIG))
  97         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_JOB,$(BUSYBOX_BUILD_CONFIG))
  98         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_TICK,$(BUSYBOX_BUILD_CONFIG))
  99         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_IF,$(BUSYBOX_BUILD_CONFIG))
 100         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOOPS,$(BUSYBOX_BUILD_CONFIG))
 101         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_CASE,$(BUSYBOX_BUILD_CONFIG))
 102         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_FUNCTIONS,$(BUSYBOX_BUILD_CONFIG))
 103         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOCAL,$(BUSYBOX_BUILD_CONFIG))
 104         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_RANDOM_SUPPORT,$(BUSYBOX_BUILD_CONFIG))
 105         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_EXPORT_N,$(BUSYBOX_BUILD_CONFIG))
 106         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_MODE_X,$(BUSYBOX_BUILD_CONFIG))
 107 endef
 108 endif
 109
 110 define BUSYBOX_SET_LARGEFILE
 111         $(call KCONFIG_ENABLE_OPT,CONFIG_LFS,$(BUSYBOX_BUILD_CONFIG))
 112         $(call KCONFIG_ENABLE_OPT,CONFIG_FDISK_SUPPORT_LARGE_DISKS,$(BUSYBOX_BUILD_CONFIG))
 113 endef
 114
 115 define BUSYBOX_SET_IPV6
 116         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IPV6,$(BUSYBOX_BUILD_CONFIG))
 117         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IFUPDOWN_IPV6,$(BUSYBOX_BUILD_CONFIG))
 118 endef
 119
 120 # If we're using static libs do the same for busybox
 121 ifeq ($(BR2_STATIC_LIBS),y)
 122 define BUSYBOX_PREFER_STATIC
 123         $(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 124 endef
 125 endif
 126
 127 # Disable shadow passwords support if unsupported by the C library
 128 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 129 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 130         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 131         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 132 endef
 133 endif
 134
 135 # We also need to use internal shadow password functions when using
 136 # the musl C library, since some of them are not yet implemented by
 137 # musl.
 138 #
 139 # Do not use utmp/wmtp support. wmtp support is not available in musl,
 140 # and utmp support is not sufficient for Busybox.
 141 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 142 define BUSYBOX_MUSL_TWEAKS
 143         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 144         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 145         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_UTMP,$(BUSYBOX_BUILD_CONFIG))
 146         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_WTMP,$(BUSYBOX_BUILD_CONFIG))
 147 endef
 148 endif
 149
 150 define BUSYBOX_INSTALL_UDHCPC_SCRIPT
 151         if grep -q CONFIG_UDHCPC=y $(@D)/.config; then \
 152                 $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 153                         $(TARGET_DIR)/usr/share/udhcpc/default.script; \
 154                 $(INSTALL) -m 0755 -d \
 155                         $(TARGET_DIR)/usr/share/udhcpc/default.script.d; \
 156         fi
 157 endef
 158
 159 ifeq ($(BR2_INIT_BUSYBOX),y)
 160 define BUSYBOX_SET_INIT
 161         $(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 162 endef
 163 endif
 164
 165 ifeq ($(BR2_PACKAGE_BUSYBOX_SELINUX),y)
 166 BUSYBOX_DEPENDENCIES += host-pkgconf libselinux libsepol
 167 define BUSYBOX_SET_SELINUX
 168         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUX,$(BUSYBOX_BUILD_CONFIG))
 169         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUXENABLED,$(BUSYBOX_BUILD_CONFIG))
 170 endef
 171 endif
 172
 173 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 174         if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 175                 $(INSTALL) -m 0755 -D package/busybox/S01logging \
 176                         $(TARGET_DIR)/etc/init.d/S01logging; \
 177         else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 178 endef
 179
 180 ifeq ($(BR2_INIT_BUSYBOX),y)
 181 define BUSYBOX_INSTALL_INITTAB
 182         $(INSTALL) -D -m 0644 package/busybox/inittab $(TARGET_DIR)/etc/inittab
 183 endef
 184 endif
 185
 186 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 187 define BUSYBOX_SET_WATCHDOG
 188         $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 189 endef
 190 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 191         $(INSTALL) -D -m 0755 package/busybox/S15watchdog \
 192                 $(TARGET_DIR)/etc/init.d/S15watchdog
 193         $(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
 194                 $(TARGET_DIR)/etc/init.d/S15watchdog
 195 endef
 196 endif
 197
 198 # PAM support requires thread support in the toolchain
 199 ifeq ($(BR2_PACKAGE_LINUX_PAM)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
 200 define BUSYBOX_LINUX_PAM
 201         $(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 202 endef
 203 BUSYBOX_DEPENDENCIES += linux-pam
 204 endif
 205
 206 # Telnet support
 207 define BUSYBOX_INSTALL_TELNET_SCRIPT
 208         if grep -q CONFIG_FEATURE_TELNETD_STANDALONE=y $(@D)/.config; then \
 209                 $(INSTALL) -m 0755 -D package/busybox/S50telnet \
 210                         $(TARGET_DIR)/etc/init.d/S50telnet ; \
 211         fi
 212 endef
 213
 214 # Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
 215 # full-blown versions of apps installed by other packages with sym/hard links.
 216 define BUSYBOX_NOCLOBBER_INSTALL
 217         $(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 218 endef
 219
 220 define BUSYBOX_KCONFIG_FIXUP_CMDS
 221         $(BUSYBOX_SET_MMU)
 222         $(BUSYBOX_SET_LARGEFILE)
 223         $(BUSYBOX_SET_IPV6)
 224         $(BUSYBOX_PREFER_STATIC)
 225         $(BUSYBOX_SET_MDEV)
 226         $(BUSYBOX_SET_CRYPT_SHA)
 227         $(BUSYBOX_LINUX_PAM)
 228         $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 229         $(BUSYBOX_SET_INIT)
 230         $(BUSYBOX_SET_WATCHDOG)
 231         $(BUSYBOX_SET_SELINUX)
 232         $(BUSYBOX_MUSL_TWEAKS)
 233 endef
 234
 235 define BUSYBOX_CONFIGURE_CMDS
 236         $(BUSYBOX_NOCLOBBER_INSTALL)
 237 endef
 238
 239 define BUSYBOX_BUILD_CMDS
 240         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 241 endef
 242
 243 define BUSYBOX_INSTALL_TARGET_CMDS
 244         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 245         $(BUSYBOX_INSTALL_INITTAB)
 246         $(BUSYBOX_INSTALL_UDHCPC_SCRIPT)
 247         $(BUSYBOX_INSTALL_MDEV_CONF)
 248 endef
 249
 250 define BUSYBOX_INSTALL_INIT_SYSV
 251         $(BUSYBOX_INSTALL_MDEV_SCRIPT)
 252         $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 253         $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 254         $(BUSYBOX_INSTALL_TELNET_SCRIPT)
 255 endef
 256
 257 # Checks to give errors that the user can understand
 258 # Must be before we call to kconfig-package
 259 ifeq ($(BR2_PACKAGE_BUSYBOX)$(BR_BUILDING),yy)
 260 ifeq ($(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG)),)
 261 $(error No BusyBox configuration file specified, check your BR2_PACKAGE_BUSYBOX_CONFIG setting)
 262 endif
 263 endif
 264
 265 $(eval $(kconfig-package))