package/busybox/busybox.mk

   1 ################################################################################
   2 #
   3 # busybox
   4 #
   5 ################################################################################
   6
   7 BUSYBOX_VERSION = 1.23.2
   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 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
  23 BUSYBOX_CFLAGS += -I$(STAGING_DIR)/usr/include/tirpc/
  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 += -ltirpc
  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 = $(BUSYBOX_MAKE_OPTS)
  52
  53 define BUSYBOX_PERMISSIONS
  54         /bin/busybox                     f 4755 0  0 - - - - -
  55         /usr/share/udhcpc/default.script f 755  0  0 - - - - -
  56 endef
  57
  58 # If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
  59 ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
  60 define BUSYBOX_INSTALL_MDEV_SCRIPT
  61         $(INSTALL) -D -m 0755 package/busybox/S10mdev \
  62                 $(TARGET_DIR)/etc/init.d/S10mdev
  63 endef
  64 define BUSYBOX_INSTALL_MDEV_CONF
  65         $(INSTALL) -D -m 0644 package/busybox/mdev.conf \
  66                 $(TARGET_DIR)/etc/mdev.conf
  67 endef
  68 define BUSYBOX_SET_MDEV
  69         $(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
  70         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
  71         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
  72         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
  73 endef
  74 endif
  75
  76 # sha passwords need USE_BB_CRYPT_SHA
  77 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
  78 define BUSYBOX_SET_CRYPT_SHA
  79         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
  80 endef
  81 endif
  82
  83 ifeq ($(BR2_USE_MMU),y)
  84 define BUSYBOX_SET_MMU
  85         $(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  86 endef
  87 else
  88 define BUSYBOX_SET_MMU
  89         $(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  90         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPONOFF,$(BUSYBOX_BUILD_CONFIG))
  91         $(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
  92         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
  93 endef
  94 endif
  95
  96 define BUSYBOX_SET_LARGEFILE
  97         $(call KCONFIG_ENABLE_OPT,CONFIG_LFS,$(BUSYBOX_BUILD_CONFIG))
  98         $(call KCONFIG_ENABLE_OPT,CONFIG_FDISK_SUPPORT_LARGE_DISKS,$(BUSYBOX_BUILD_CONFIG))
  99 endef
 100
 101 define BUSYBOX_SET_IPV6
 102         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IPV6,$(BUSYBOX_BUILD_CONFIG))
 103         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IFUPDOWN_IPV6,$(BUSYBOX_BUILD_CONFIG))
 104 endef
 105
 106 # If we're using static libs do the same for busybox
 107 ifeq ($(BR2_STATIC_LIBS),y)
 108 define BUSYBOX_PREFER_STATIC
 109         $(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 110 endef
 111 endif
 112
 113 # Disable shadow passwords support if unsupported by the C library
 114 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 115 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 116         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 117         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 118 endef
 119 endif
 120
 121 # We also need to use internal functions when using the musl C
 122 # library, since some of them are not yet implemented by musl.
 123 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 124 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 125         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 126         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 127 endef
 128 endif
 129
 130 ifeq ($(BR2_INIT_BUSYBOX),y)
 131 define BUSYBOX_SET_INIT
 132         $(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 133 endef
 134 endif
 135
 136 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 137         if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 138                 $(INSTALL) -m 0755 -D package/busybox/S01logging \
 139                         $(TARGET_DIR)/etc/init.d/S01logging; \
 140         else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 141 endef
 142
 143 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 144 define BUSYBOX_SET_WATCHDOG
 145         $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 146 endef
 147 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 148         $(INSTALL) -D -m 0755 package/busybox/S15watchdog \
 149                 $(TARGET_DIR)/etc/init.d/S15watchdog
 150         $(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
 151                 $(TARGET_DIR)/etc/init.d/S15watchdog
 152 endef
 153 endif
 154
 155 ifeq ($(BR2_PACKAGE_LINUX_PAM),y)
 156 define BUSYBOX_LINUX_PAM
 157         $(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 158 endef
 159 BUSYBOX_DEPENDENCIES += linux-pam
 160 endif
 161
 162 # Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
 163 # full-blown versions of apps installed by other packages with sym/hard links.
 164 define BUSYBOX_NOCLOBBER_INSTALL
 165         $(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 166 endef
 167
 168 define BUSYBOX_KCONFIG_FIXUP_CMDS
 169         $(BUSYBOX_SET_MMU)
 170         $(BUSYBOX_SET_LARGEFILE)
 171         $(BUSYBOX_SET_IPV6)
 172         $(BUSYBOX_PREFER_STATIC)
 173         $(BUSYBOX_SET_MDEV)
 174         $(BUSYBOX_SET_CRYPT_SHA)
 175         $(BUSYBOX_LINUX_PAM)
 176         $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 177         $(BUSYBOX_SET_INIT)
 178         $(BUSYBOX_SET_WATCHDOG)
 179 endef
 180
 181 define BUSYBOX_CONFIGURE_CMDS
 182         $(BUSYBOX_NOCLOBBER_INSTALL)
 183 endef
 184
 185 define BUSYBOX_BUILD_CMDS
 186         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 187 endef
 188
 189 define BUSYBOX_INSTALL_TARGET_CMDS
 190         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 191         $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 192                 $(TARGET_DIR)/usr/share/udhcpc/default.script
 193         $(INSTALL) -m 0755 -d \
 194                 $(TARGET_DIR)/usr/share/udhcpc/default.script.d
 195         $(BUSYBOX_INSTALL_MDEV_CONF)
 196 endef
 197
 198 define BUSYBOX_INSTALL_INIT_SYSV
 199         $(BUSYBOX_INSTALL_MDEV_SCRIPT)
 200         $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 201         $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 202 endef
 203
 204 $(eval $(kconfig-package))