package/busybox/busybox.mk

   1 ################################################################################
   2 #
   3 # busybox
   4 #
   5 ################################################################################
   6
   7 ifeq ($(BR2_PACKAGE_BUSYBOX_SNAPSHOT),y)
   8 BUSYBOX_VERSION = snapshot
   9 BUSYBOX_SITE = http://www.busybox.net/downloads/snapshots
  10 else
  11 BUSYBOX_VERSION = $(call qstrip,$(BR2_BUSYBOX_VERSION))
  12 BUSYBOX_SITE = http://www.busybox.net/downloads
  13 endif
  14 BUSYBOX_SOURCE = busybox-$(BUSYBOX_VERSION).tar.bz2
  15 BUSYBOX_LICENSE = GPLv2
  16 BUSYBOX_LICENSE_FILES = LICENSE
  17
  18 BUSYBOX_CFLAGS = \
  19         $(TARGET_CFLAGS)
  20
  21 BUSYBOX_LDFLAGS = \
  22         $(TARGET_LDFLAGS)
  23
  24 # Link against libtirpc if available so that we can leverage its RPC
  25 # support for NFS mounting with BusyBox
  26 ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
  27 BUSYBOX_DEPENDENCIES += libtirpc
  28 BUSYBOX_CFLAGS += -I$(STAGING_DIR)/usr/include/tirpc/
  29 # Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for
  30 # the non-final link of modules as well.
  31 BUSYBOX_CFLAGS_busybox += -ltirpc
  32 endif
  33
  34 BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config
  35 # Allows the build system to tweak CFLAGS
  36 BUSYBOX_MAKE_ENV = \
  37         $(TARGET_MAKE_ENV) \
  38         CFLAGS="$(BUSYBOX_CFLAGS)" \
  39         CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"
  40 BUSYBOX_MAKE_OPTS = \
  41         CC="$(TARGET_CC)" \
  42         ARCH=$(KERNEL_ARCH) \
  43         PREFIX="$(TARGET_DIR)" \
  44         EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
  45         CROSS_COMPILE="$(TARGET_CROSS)" \
  46         CONFIG_PREFIX="$(TARGET_DIR)" \
  47         SKIP_STRIP=y
  48
  49 ifndef BUSYBOX_CONFIG_FILE
  50         BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
  51 endif
  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         [ -f $(TARGET_DIR)/etc/init.d/S10mdev ] || \
  62                 install -D -m 0755 package/busybox/S10mdev \
  63                         $(TARGET_DIR)/etc/init.d/S10mdev
  64 endef
  65 define BUSYBOX_INSTALL_MDEV_CONF
  66         [ -f $(TARGET_DIR)/etc/mdev.conf ] || \
  67                 install -D -m 0644 package/busybox/mdev.conf \
  68                         $(TARGET_DIR)/etc/mdev.conf
  69 endef
  70 define BUSYBOX_SET_MDEV
  71         $(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
  72         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
  73         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
  74         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
  75 endef
  76 endif
  77
  78 # sha passwords need USE_BB_CRYPT_SHA
  79 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
  80 define BUSYBOX_SET_CRYPT_SHA
  81         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
  82 endef
  83 endif
  84
  85 ifeq ($(BR2_USE_MMU),y)
  86 define BUSYBOX_SET_MMU
  87         $(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  88 endef
  89 else
  90 define BUSYBOX_SET_MMU
  91         $(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
  92         $(call KCONFIG_DISABLE_OPT,CONFIG_SWAPONOFF,$(BUSYBOX_BUILD_CONFIG))
  93         $(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
  94         $(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
  95 endef
  96 endif
  97
  98 ifeq ($(BR2_LARGEFILE),y)
  99 define BUSYBOX_SET_LARGEFILE
 100         $(call KCONFIG_ENABLE_OPT,CONFIG_LFS,$(BUSYBOX_BUILD_CONFIG))
 101         $(call KCONFIG_ENABLE_OPT,CONFIG_FDISK_SUPPORT_LARGE_DISKS,$(BUSYBOX_BUILD_CONFIG))
 102 endef
 103 else
 104 define BUSYBOX_SET_LARGEFILE
 105         $(call KCONFIG_DISABLE_OPT,CONFIG_LFS,$(BUSYBOX_BUILD_CONFIG))
 106         $(call KCONFIG_DISABLE_OPT,CONFIG_FDISK_SUPPORT_LARGE_DISKS,$(BUSYBOX_BUILD_CONFIG))
 107 endef
 108 endif
 109
 110 # If IPv6 is enabled then enable basic ifupdown support for it
 111 ifeq ($(BR2_INET_IPV6),y)
 112 define BUSYBOX_SET_IPV6
 113         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IPV6,$(BUSYBOX_BUILD_CONFIG))
 114         $(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IFUPDOWN_IPV6,$(BUSYBOX_BUILD_CONFIG))
 115 endef
 116 else
 117 define BUSYBOX_SET_IPV6
 118         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_IPV6,$(BUSYBOX_BUILD_CONFIG))
 119         $(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_IFUPDOWN_IPV6,$(BUSYBOX_BUILD_CONFIG))
 120 endef
 121 endif
 122
 123 # If we're using static libs do the same for busybox
 124 ifeq ($(BR2_PREFER_STATIC_LIB),y)
 125 define BUSYBOX_PREFER_STATIC
 126         $(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 127 endef
 128 endif
 129
 130 # Disable usage of inetd if netkit-base package is selected
 131 ifeq ($(BR2_PACKAGE_NETKITBASE),y)
 132 define BUSYBOX_NETKITBASE
 133         $(call KCONFIG_DISABLE_OPT,CONFIG_INETD,$(BUSYBOX_BUILD_CONFIG))
 134 endef
 135 endif
 136
 137 # Disable usage of telnetd if netkit-telnetd package is selected
 138 ifeq ($(BR2_PACKAGE_NETKITTELNET),y)
 139 define BUSYBOX_NETKITTELNET
 140         $(call KCONFIG_DISABLE_OPT,CONFIG_TELNETD,$(BUSYBOX_BUILD_CONFIG))
 141 endef
 142 endif
 143
 144 define BUSYBOX_COPY_CONFIG
 145         $(INSTALL) -D -m 0644 $(BUSYBOX_CONFIG_FILE) $(BUSYBOX_BUILD_CONFIG)
 146 endef
 147
 148 # Disable shadow passwords support if unsupported by the C library
 149 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 150 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 151         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 152         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 153 endef
 154 endif
 155
 156 # We also need to use internal functions when using the musl C
 157 # library, since some of them are not yet implemented by musl.
 158 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 159 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 160         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 161         $(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 162 endef
 163 endif
 164
 165 ifeq ($(BR2_INIT_BUSYBOX),y)
 166 define BUSYBOX_SET_INIT
 167         $(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 168 endef
 169 endif
 170
 171 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 172         if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 173                 [ -f $(TARGET_DIR)/etc/init.d/S01logging ] || \
 174                         $(INSTALL) -m 0755 -D package/busybox/S01logging \
 175                                 $(TARGET_DIR)/etc/init.d/S01logging; \
 176         else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 177 endef
 178
 179 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 180 define BUSYBOX_SET_WATCHDOG
 181         $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 182 endef
 183 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 184         [ -f $(TARGET_DIR)/etc/init.d/S15watchdog ] || \
 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 # Enable "noclobber" in install.sh, to prevent BusyBox from overwritting any
 193 # full-blown versions of apps installed by other packages with sym/hard links.
 194 define BUSYBOX_NOCLOBBER_INSTALL
 195         $(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 196 endef
 197
 198 define BUSYBOX_CONFIGURE_CMDS
 199         $(BUSYBOX_COPY_CONFIG)
 200         $(BUSYBOX_SET_MMU)
 201         $(BUSYBOX_SET_LARGEFILE)
 202         $(BUSYBOX_SET_IPV6)
 203         $(BUSYBOX_PREFER_STATIC)
 204         $(BUSYBOX_SET_MDEV)
 205         $(BUSYBOX_SET_CRYPT_SHA)
 206         $(BUSYBOX_NETKITBASE)
 207         $(BUSYBOX_NETKITTELNET)
 208         $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 209         $(BUSYBOX_SET_INIT)
 210         $(BUSYBOX_SET_WATCHDOG)
 211         @yes "" | $(MAKE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE="$(TARGET_CROSS)" \
 212                 -C $(@D) oldconfig
 213         $(BUSYBOX_NOCLOBBER_INSTALL)
 214 endef
 215
 216 define BUSYBOX_BUILD_CMDS
 217         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 218 endef
 219
 220 define BUSYBOX_INSTALL_TARGET_CMDS
 221         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 222         if [ ! -f $(TARGET_DIR)/usr/share/udhcpc/default.script ]; then \
 223                 $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 224                         $(TARGET_DIR)/usr/share/udhcpc/default.script; \
 225         fi
 226         $(BUSYBOX_INSTALL_MDEV_SCRIPT)
 227         $(BUSYBOX_INSTALL_MDEV_CONF)
 228         $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 229         $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 230 endef
 231
 232 $(eval $(generic-package))
 233
 234 busybox-menuconfig busybox-xconfig busybox-gconfig: busybox-patch
 235         $(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(BUSYBOX_DIR) \
 236                 $(subst busybox-,,$@)
 237         rm -f $(BUSYBOX_DIR)/.stamp_built
 238         rm -f $(BUSYBOX_DIR)/.stamp_target_installed
 239
 240 busybox-update-config: busybox-configure
 241         cp -f $(BUSYBOX_BUILD_CONFIG) $(BUSYBOX_CONFIG_FILE)