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LOCAL_PATH := $(call my-dir)
BB_PATH := $(call my-dir)
include $(CLEAR_VARS)
ifeq ($(TARGET_IS_64_BIT),true)
LINKER_BIN := /system/bin/linker64
else
LINKER_BIN := /system/bin/linker
endif
BB_TC_DIR := $(realpath $(shell dirname $(TARGET_TOOLS_PREFIX)))
BB_TC_PREFIX_ABS := $(BB_TC_DIR)/$(shell basename $(TARGET_TOOLS_PREFIX))
## for O and master
target_crtbegin_dynamic_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
target_crtend_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
BB_EXTRA_LDFLAGS := -nostdlib -Bdynamic -Wl,-z,muldefs$(shell if test $(PLATFORM_SDK_VERSION) -lt 16; then echo -ne ',-T$(CURDIR)/$(BUILD_SYSTEM)/armelf.x'; fi),-dynamic-linker,$(LINKER_BIN),-z,nocopyreloc,--no-undefined $(CURDIR)/$(target_crtbegin_dynamic_o) $(CURDIR)/$(target_crtend_o) $(CURDIR)/$(TARGET_OUT_SHARED_LIBRARIES)/libc.so -L$(CURDIR)/$(TARGET_OUT_SHARED_LIBRARIES)
# FIXME remove -fno-strict-aliasing once all aliasing violations are fixed
BB_COMPILER_FLAGS := $(subst -I ,-I$(CURDIR)/,$(subst -include ,-include $(CURDIR)/,$(TARGET_GLOBAL_CFLAGS))) $(foreach d,$(TARGET_C_INCLUDES),-I$(CURDIR)/$(d)) -fno-stack-protector -Wno-error=format-security -fno-strict-aliasing
# for O and master
BB_COMPILER_FLAGS += $(foreach d,$(TARGET_C_SYSTEM_INCLUDES),-I$(CURDIR)/$(d))
ifneq ($(strip $(SHOW_COMMANDS)),)
BB_VERBOSE="V=1"
endif
BUSYBOX_OUT ?= $(PRODUCT_OUT)/obj/busybox
BUSYBOX_BIN_PATH := $(BUSYBOX_OUT)/busybox
BB_MAKE_FLAGS := CONFIG_EXTRA_CFLAGS="$(BB_COMPILER_FLAGS)" EXTRA_LDFLAGS="$(BB_EXTRA_LDFLAGS)" $(BB_VERBOSE)
## for Dynamic linking
BB_LDLIBS := dl m c
## definition for busybox module
LOCAL_MODULE := busybox
LOCAL_PREBUILT_MODULE_FILE := $(BUSYBOX_BIN_PATH)
LOCAL_MODULE_CLASS := EXECUTABLES
LOCAL_MODULE_TAGS := debug
#ALL_DEFAULT_INSTALLED_MODULES += $(TARGET_OUT)/bin/$(LOCAL_MODULE)
## https://git.busybox.net/busybox/tree/examples/android-build
BB_DEPENDENCY := $(BB_PATH)/configs/android_defconfig
BB_DEPENDENCY += $(target_crtbegin_dynamic_o) $(target_crtend_o)
BB_DEPENDENCY += $(TARGET_OUT_SHARED_LIBRARIES)/libm.so $(TARGET_OUT_SHARED_LIBRARIES)/libc.so $(TARGET_OUT_SHARED_LIBRARIES)/libdl.so
HOST_PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
$(LOCAL_PREBUILT_MODULE_FILE): $(BB_DEPENDENCY)
@echo "Start building busybox..."
@mkdir -p $(BUSYBOX_OUT)
for i in $(BB_PATH)/scripts/kconfig/*_shipped; do ln -sf `basename $$i` $${i/_shipped/}; done
PATH=$(HOST_PATH):$$PATH $(MAKE) -C $(CURDIR)/$(BB_PATH) O=$(CURDIR)/$(BUSYBOX_OUT) CROSS_COMPILE=$(BB_TC_PREFIX_ABS) LDLIBS="$(BB_LDLIBS)" android_defconfig $(BB_MAKE_FLAGS)
PATH=$(HOST_PATH):$$PATH $(MAKE) -C $(CURDIR)/$(BB_PATH) O=$(CURDIR)/$(BUSYBOX_OUT) CROSS_COMPILE=$(BB_TC_PREFIX_ABS) LDLIBS="$(BB_LDLIBS)" $(BB_MAKE_FLAGS)
@echo "Finished building busybox..."
BUSYBOX_TOOLS := \
ar \
arp \
ash \
awk \
beep \
bunzip2 \
catv \
chat \
chpst \
chvt \
cttyhack \
dc \
deallocvt \
depmod \
devmem \
dnsd \
dpkg \
dpkg-deb \
dumpkmap \
ed \
egrep \
envdir \
envuidgid \
fakeidentd \
fbset \
fbsplash \
fdflush \
fdformat \
fdisk \
fgconsole \
fgrep \
findfs \
flash_lock \
flash_unlock \
flashcp \
fold \
freeramdisk \
ftpd \
ftpget \
ftpput \
fuser \
getopt \
halt \
hdparm \
hexdump \
httpd \
ifdown \
ifup \
install \
iostat \
ipaddr \
ipcalc \
iplink \
iproute \
iprule \
iptunnel \
klogd \
less \
linuxrc \
loadkmap \
lpd \
lpq \
lpr \
lzcat \
lzma \
lzop \
lzopcat \
makedevs \
makemime \
man \
mesg \
mpstat \
nbd-client \
nc \
nmeter \
openvt \
pipe_progress \
popmaildir \
poweroff \
pscan \
pstree \
pwdx \
raidautorun \
rdev \
readprofile \
reformime \
reset \
resize \
rev \
rpm \
rpm2cpio \
rtcwake \
run-parts \
runsv \
runsvdir \
rx \
script \
scriptreplay \
sendmail \
setkeycodes \
setlogcons \
setserial \
setuidgid \
showkey \
smemcap \
softlimit \
start-stop-daemon \
sum \
sv \
svlogd \
tcpsvd \
telnet \
telnetd \
test \
traceroute \
ttysize \
tunctl \
udhcpc \
uncompress \
unexpand \
unlzma \
unlzop \
unxz \
unzip \
vi \
volname \
watch \
wget \
whois \
xz \
xzcat \
LOCAL_POST_INSTALL_CMD := $(hide) $(foreach t,$(BUSYBOX_TOOLS),ln -sf busybox $(TARGET_OUT)/bin/$(t);)
include $(BUILD_PREBUILT)
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