package/busybox/busybox.mk

   1 ################################################################################
   2 #
   3 # busybox
   4 #
   5 ################################################################################
   6
   7 BUSYBOX_VERSION = 1.25.1
   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 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="$(BUSYBOX_CFLAGS_busybox)"
  39 BUSYBOX_MAKE_OPTS = \
  40         CC="$(TARGET_CC)" \
  41         ARCH=$(KERNEL_ARCH) \
  42         PREFIX="$(TARGET_DIR)" \
  43         EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
  44         CROSS_COMPILE="$(TARGET_CROSS)" \
  45         CONFIG_PREFIX="$(TARGET_DIR)" \
  46         SKIP_STRIP=y
  47
  48 ifndef BUSYBOX_CONFIG_FILE
  49         BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
  50 endif
  51
  52 BUSYBOX_KCONFIG_FILE = $(BUSYBOX_CONFIG_FILE)
  53 BUSYBOX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES))
  54 BUSYBOX_KCONFIG_EDITORS = menuconfig xconfig gconfig
  55 BUSYBOX_KCONFIG_OPTS = $(BUSYBOX_MAKE_OPTS)
  56
  57 define BUSYBOX_PERMISSIONS
  58         /bin/busybox                     f 4755 0  0 - - - - -
  59 endef
  60
  61 # If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
  62 ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
  63 define BUSYBOX_INSTALL_MDEV_SCRIPT
  64         $(INSTALL) -D -m 0755 package/busybox/S10mdev \
  65                 $(TARGET_DIR)/etc/init.d/S10mdev
  66 endef
  67 define BUSYBOX_INSTALL_MDEV_CONF
  68         $(INSTALL) -D -m 0644 package/busybox/mdev.conf \
  69                 $(TARGET_DIR)/etc/mdev.conf
  70 endef
  71 define BUSYBOX_SET_MDEV
  72         $(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
  73         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
  74         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
  75         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
  76 endef
  77 endif
  78
  79 # sha passwords need USE_BB_CRYPT_SHA
  80 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
  81 define BUSYBOX_SET_CRYPT_SHA
  82         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
  83 endef
  84 endif
  85
  86 ifeq ($(BR2_USE_MMU),y)
  87 define BUSYBOX_SET_MMU
  88         $(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  89 endef
  90 else
  91 define BUSYBOX_SET_MMU
  92         $(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  93         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPONOFF,$(BUSYBOX_BUILD_CONFIG))
  94         $(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
  95         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
  96         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BASH_COMPAT,$(BUSYBOX_BUILD_CONFIG))
  97         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BRACE_EXPANSION,$(BUSYBOX_BUILD_CONFIG))
  98         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_HELP,$(BUSYBOX_BUILD_CONFIG))
  99         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_INTERACTIVE,$(BUSYBOX_BUILD_CONFIG))
 100         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_SAVEHISTORY,$(BUSYBOX_BUILD_CONFIG))
 101         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_JOB,$(BUSYBOX_BUILD_CONFIG))
 102         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_TICK,$(BUSYBOX_BUILD_CONFIG))
 103         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_IF,$(BUSYBOX_BUILD_CONFIG))
 104         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOOPS,$(BUSYBOX_BUILD_CONFIG))
 105         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_CASE,$(BUSYBOX_BUILD_CONFIG))
 106         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_FUNCTIONS,$(BUSYBOX_BUILD_CONFIG))
 107         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOCAL,$(BUSYBOX_BUILD_CONFIG))
 108         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_RANDOM_SUPPORT,$(BUSYBOX_BUILD_CONFIG))
 109         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_EXPORT_N,$(BUSYBOX_BUILD_CONFIG))
 110         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_MODE_X,$(BUSYBOX_BUILD_CONFIG))
 111 endef
 112 endif
 113
 114 # If we're using static libs do the same for busybox
 115 ifeq ($(BR2_STATIC_LIBS),y)
 116 define BUSYBOX_PREFER_STATIC
 117         $(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 118 endef
 119 endif
 120
 121 # Disable shadow passwords support if unsupported by the C library
 122 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 123 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 124         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 125         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 126 endef
 127 endif
 128
 129 # We also need to use internal shadow password functions when using
 130 # the musl C library, since some of them are not yet implemented by
 131 # musl.
 132 #
 133 # Do not use utmp/wmtp support. wmtp support is not available in musl,
 134 # and utmp support is not sufficient for Busybox.
 135 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 136 define BUSYBOX_MUSL_TWEAKS
 137         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 138         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 139         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_UTMP,$(BUSYBOX_BUILD_CONFIG))
 140         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_WTMP,$(BUSYBOX_BUILD_CONFIG))
 141 endef
 142 endif
 143
 144 define BUSYBOX_INSTALL_UDHCPC_SCRIPT
 145         if grep -q CONFIG_UDHCPC=y $(@D)/.config; then \
 146                 $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 147                         $(TARGET_DIR)/usr/share/udhcpc/default.script; \
 148                 $(INSTALL) -m 0755 -d \
 149                         $(TARGET_DIR)/usr/share/udhcpc/default.script.d; \
 150         fi
 151 endef
 152
 153 ifeq ($(BR2_INIT_BUSYBOX),y)
 154 define BUSYBOX_SET_INIT
 155         $(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 156 endef
 157 endif
 158
 159 ifeq ($(BR2_PACKAGE_BUSYBOX_SELINUX),y)
 160 BUSYBOX_DEPENDENCIES += host-pkgconf libselinux libsepol
 161 define BUSYBOX_SET_SELINUX
 162         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUX,$(BUSYBOX_BUILD_CONFIG))
 163         $(call KCONFIG_ENABLE_OPT,CONFIG_SELINUXENABLED,$(BUSYBOX_BUILD_CONFIG))
 164 endef
 165 endif
 166
 167 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 168         if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 169                 $(INSTALL) -m 0755 -D package/busybox/S01logging \
 170                         $(TARGET_DIR)/etc/init.d/S01logging; \
 171         else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 172 endef
 173
 174 ifeq ($(BR2_INIT_BUSYBOX),y)
 175 define BUSYBOX_INSTALL_INITTAB
 176         $(INSTALL) -D -m 0644 package/busybox/inittab $(TARGET_DIR)/etc/inittab
 177 endef
 178 endif
 179
 180 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 181 define BUSYBOX_SET_WATCHDOG
 182         $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 183 endef
 184 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 185         $(INSTALL) -D -m 0755 package/busybox/S15watchdog \
 186                 $(TARGET_DIR)/etc/init.d/S15watchdog
 187         $(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
 188                 $(TARGET_DIR)/etc/init.d/S15watchdog
 189 endef
 190 endif
 191
 192 # PAM support requires thread support in the toolchain
 193 ifeq ($(BR2_PACKAGE_LINUX_PAM)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
 194 define BUSYBOX_LINUX_PAM
 195         $(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 196 endef
 197 BUSYBOX_DEPENDENCIES += linux-pam
 198 endif
 199
 200 # Telnet support
 201 define BUSYBOX_INSTALL_TELNET_SCRIPT
 202         if grep -q CONFIG_FEATURE_TELNETD_STANDALONE=y $(@D)/.config; then \
 203                 $(INSTALL) -m 0755 -D package/busybox/S50telnet \
 204                         $(TARGET_DIR)/etc/init.d/S50telnet ; \
 205         fi
 206 endef
 207
 208 # Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
 209 # full-blown versions of apps installed by other packages with sym/hard links.
 210 define BUSYBOX_NOCLOBBER_INSTALL
 211         $(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 212 endef
 213
 214 define BUSYBOX_KCONFIG_FIXUP_CMDS
 215         $(BUSYBOX_SET_MMU)
 216         $(BUSYBOX_PREFER_STATIC)
 217         $(BUSYBOX_SET_MDEV)
 218         $(BUSYBOX_SET_CRYPT_SHA)
 219         $(BUSYBOX_LINUX_PAM)
 220         $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 221         $(BUSYBOX_SET_INIT)
 222         $(BUSYBOX_SET_WATCHDOG)
 223         $(BUSYBOX_SET_SELINUX)
 224         $(BUSYBOX_MUSL_TWEAKS)
 225 endef
 226
 227 define BUSYBOX_CONFIGURE_CMDS
 228         $(BUSYBOX_NOCLOBBER_INSTALL)
 229 endef
 230
 231 define BUSYBOX_BUILD_CMDS
 232         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 233 endef
 234
 235 define BUSYBOX_INSTALL_TARGET_CMDS
 236         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 237         $(BUSYBOX_INSTALL_INITTAB)
 238         $(BUSYBOX_INSTALL_UDHCPC_SCRIPT)
 239         $(BUSYBOX_INSTALL_MDEV_CONF)
 240 endef
 241
 242 define BUSYBOX_INSTALL_INIT_SYSV
 243         $(BUSYBOX_INSTALL_MDEV_SCRIPT)
 244         $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 245         $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 246         $(BUSYBOX_INSTALL_TELNET_SCRIPT)
 247 endef
 248
 249 # Checks to give errors that the user can understand
 250 # Must be before we call to kconfig-package
 251 ifeq ($(BR2_PACKAGE_BUSYBOX)$(BR_BUILDING),yy)
 252 ifeq ($(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG)),)
 253 $(error No BusyBox configuration file specified, check your BR2_PACKAGE_BUSYBOX_CONFIG setting)
 254 endif
 255 endif
 256
 257 $(eval $(kconfig-package))