kumquat-buildroot/package/busybox/busybox.mk
Arnout Vandecappelle 5e0f1e1fcf busybox: fix link with tirpc
Busybox does partial linking of its modules before linking everything
together into the binary.  Those partial links are done without the
standard libraries, but that also means -ltirpc can't be found.  In
addition, this probably fails horribly with static linking (untested).

The problem is that the LDFLAGS are also used in the partial links.
So instead, use CFLAGS_busybox, which is only used for the busybox
link step.  Also make sure that this is passed through the environment,
not on the command line, so the busybox Makefile can still append to
it.

Fixes e.g.
http://autobuild.buildroot.net/results/e8351e3ba86fdcdb2999548658271a6fde0526a9

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-11-21 11:07:35 +01:00

228 lines
7.0 KiB
Makefile

#############################################################
#
# busybox
#
#############################################################
ifeq ($(BR2_PACKAGE_BUSYBOX_SNAPSHOT),y)
BUSYBOX_VERSION = snapshot
BUSYBOX_SITE = http://www.busybox.net/downloads/snapshots
else
BUSYBOX_VERSION = $(call qstrip,$(BR2_BUSYBOX_VERSION))
BUSYBOX_SITE = http://www.busybox.net/downloads
endif
BUSYBOX_SOURCE = busybox-$(BUSYBOX_VERSION).tar.bz2
BUSYBOX_LICENSE = GPLv2
BUSYBOX_LICENSE_FILES = LICENSE
BUSYBOX_CFLAGS = \
$(TARGET_CFLAGS) \
-I$(LINUX_HEADERS_DIR)/include
BUSYBOX_LDFLAGS = \
$(TARGET_LDFLAGS)
# Link against libtirpc if available so that we can leverage its RPC
# support for NFS mounting with Busybox
ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
BUSYBOX_DEPENDENCIES += libtirpc
BUSYBOX_CFLAGS += -I$(STAGING_DIR)/usr/include/tirpc/
# Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for
# the non-final link of modules as well.
BUSYBOX_CFLAGS_busybox += -ltirpc
endif
BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config
# Allows the build system to tweak CFLAGS
BUSYBOX_MAKE_ENV = \
$(TARGET_MAKE_ENV) \
CFLAGS="$(BUSYBOX_CFLAGS)" \
CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"
BUSYBOX_MAKE_OPTS = \
CC="$(TARGET_CC)" \
ARCH=$(KERNEL_ARCH) \
PREFIX="$(TARGET_DIR)" \
EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
CROSS_COMPILE="$(TARGET_CROSS)" \
CONFIG_PREFIX="$(TARGET_DIR)" \
SKIP_STRIP=y
ifndef BUSYBOX_CONFIG_FILE
BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
endif
define BUSYBOX_PERMISSIONS
/bin/busybox f 4755 0 0 - - - - -
/usr/share/udhcpc/default.script f 755 0 0 - - - - -
endef
# If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
define BUSYBOX_INSTALL_MDEV_SCRIPT
[ -f $(TARGET_DIR)/etc/init.d/S10mdev ] || \
install -D -m 0755 package/busybox/S10mdev \
$(TARGET_DIR)/etc/init.d/S10mdev
endef
define BUSYBOX_INSTALL_MDEV_CONF
[ -f $(TARGET_DIR)/etc/mdev.conf ] || \
install -D -m 0644 package/busybox/mdev.conf \
$(TARGET_DIR)/etc/mdev.conf
endef
define BUSYBOX_SET_MDEV
$(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
endef
endif
ifeq ($(BR2_LARGEFILE),y)
define BUSYBOX_SET_LARGEFILE
$(call KCONFIG_ENABLE_OPT,CONFIG_LFS,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_FDISK_SUPPORT_LARGE_DISKS,$(BUSYBOX_BUILD_CONFIG))
endef
else
define BUSYBOX_SET_LARGEFILE
$(call KCONFIG_DISABLE_OPT,CONFIG_LFS,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_DISABLE_OPT,CONFIG_FDISK_SUPPORT_LARGE_DISKS,$(BUSYBOX_BUILD_CONFIG))
endef
endif
# If IPv6 is enabled then enable basic ifupdown support for it
ifeq ($(BR2_INET_IPV6),y)
define BUSYBOX_SET_IPV6
$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IPV6,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_IFUPDOWN_IPV6,$(BUSYBOX_BUILD_CONFIG))
endef
else
define BUSYBOX_SET_IPV6
$(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_IPV6,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_IFUPDOWN_IPV6,$(BUSYBOX_BUILD_CONFIG))
endef
endif
# If we're using static libs do the same for busybox
ifeq ($(BR2_PREFER_STATIC_LIB),y)
define BUSYBOX_PREFER_STATIC
$(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
endef
else
define BUSYBOX_PREFER_STATIC
$(call KCONFIG_DISABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
endef
endif
# Disable usage of inetd if netkit-base package is selected
ifeq ($(BR2_PACKAGE_NETKITBASE),y)
define BUSYBOX_NETKITBASE
$(call KCONFIG_DISABLE_OPT,CONFIG_INETD,$(BUSYBOX_BUILD_CONFIG))
endef
endif
# Disable usage of telnetd if netkit-telnetd package is selected
ifeq ($(BR2_PACKAGE_NETKITTELNET),y)
define BUSYBOX_NETKITTELNET
$(call KCONFIG_DISABLE_OPT,CONFIG_TELNETD,$(BUSYBOX_BUILD_CONFIG))
endef
endif
define BUSYBOX_COPY_CONFIG
cp -f $(BUSYBOX_CONFIG_FILE) $(BUSYBOX_BUILD_CONFIG)
endef
# Disable shadow passwords support if unsupported by the C library
ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
endef
endif
ifeq ($(BR2_USE_MMU),)
define BUSYBOX_DISABLE_MMU_APPLETS
$(call KCONFIG_DISABLE_OPT,CONFIG_SWAPONOFF,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
endef
endif
ifeq ($(BR2_INIT_BUSYBOX),y)
define BUSYBOX_SET_INIT
$(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
endef
endif
define BUSYBOX_INSTALL_LOGGING_SCRIPT
if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
[ -f $(TARGET_DIR)/etc/init.d/S01logging ] || \
$(INSTALL) -m 0755 -D package/busybox/S01logging \
$(TARGET_DIR)/etc/init.d/S01logging; \
else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
endef
ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
define BUSYBOX_SET_WATCHDOG
$(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
endef
define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
[ -f $(TARGET_DIR)/etc/init.d/S15watchdog ] || \
install -D -m 0755 package/busybox/S15watchdog \
$(TARGET_DIR)/etc/init.d/S15watchdog && \
sed -i s/PERIOD/$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD)/ \
$(TARGET_DIR)/etc/init.d/S15watchdog
endef
endif
# We do this here to avoid busting a modified .config in configure
BUSYBOX_POST_EXTRACT_HOOKS += BUSYBOX_COPY_CONFIG
define BUSYBOX_CONFIGURE_CMDS
$(BUSYBOX_SET_LARGEFILE)
$(BUSYBOX_SET_IPV6)
$(BUSYBOX_PREFER_STATIC)
$(BUSYBOX_SET_MDEV)
$(BUSYBOX_NETKITBASE)
$(BUSYBOX_NETKITTELNET)
$(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
$(BUSYBOX_DISABLE_MMU_APPLETS)
$(BUSYBOX_SET_INIT)
$(BUSYBOX_SET_WATCHDOG)
@yes "" | $(MAKE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE="$(TARGET_CROSS)" \
-C $(@D) oldconfig
endef
define BUSYBOX_BUILD_CMDS
$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
endef
define BUSYBOX_INSTALL_TARGET_CMDS
$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
if [ ! -f $(TARGET_DIR)/usr/share/udhcpc/default.script ]; then \
$(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
$(TARGET_DIR)/usr/share/udhcpc/default.script; \
fi
$(BUSYBOX_INSTALL_MDEV_SCRIPT)
$(BUSYBOX_INSTALL_MDEV_CONF)
$(BUSYBOX_INSTALL_LOGGING_SCRIPT)
$(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
endef
define BUSYBOX_UNINSTALL_TARGET_CMDS
$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) uninstall
endef
define BUSYBOX_CLEAN_CMDS
$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) clean
endef
$(eval $(generic-package))
busybox-menuconfig busybox-xconfig busybox-gconfig: busybox-patch
$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(BUSYBOX_DIR) \
$(subst busybox-,,$@)
rm -f $(BUSYBOX_DIR)/.stamp_built
rm -f $(BUSYBOX_DIR)/.stamp_target_installed
busybox-update-config:
cp -f $(BUSYBOX_BUILD_CONFIG) $(BUSYBOX_CONFIG_FILE)