1# Copyright 2009 The Android Open Source Project 2 3LOCAL_PATH := $(call my-dir) 4 5updater_src_files := \ 6 install.c \ 7 updater.c 8 9# 10# Build a statically-linked binary to include in OTA packages 11# 12include $(CLEAR_VARS) 13 14# Build only in eng, so we don't end up with a copy of this in /system 15# on user builds. (TODO: find a better way to build device binaries 16# needed only for OTA packages.) 17LOCAL_MODULE_TAGS := eng 18 19LOCAL_SRC_FILES := $(updater_src_files) 20 21ifeq ($(TARGET_USERIMAGES_USE_EXT4), true) 22LOCAL_CFLAGS += -DUSE_EXT4 23LOCAL_C_INCLUDES += system/extras/ext4_utils 24LOCAL_STATIC_LIBRARIES += \ 25 libext4_utils_static \ 26 libsparse_static \ 27 libz 28endif 29 30LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS) 31LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz 32LOCAL_STATIC_LIBRARIES += libmincrypt libbz 33LOCAL_STATIC_LIBRARIES += libminelf 34LOCAL_STATIC_LIBRARIES += libcutils liblog libstdc++ libc 35LOCAL_STATIC_LIBRARIES += libselinux 36LOCAL_C_INCLUDES += $(LOCAL_PATH)/.. 37 38# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function 39# named "Register_<libname>()". Here we emit a little C function that 40# gets #included by updater.c. It calls all those registration 41# functions. 42 43# Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS. 44# These libs are also linked in with updater, but we don't try to call 45# any sort of registration function for these. Use this variable for 46# any subsidiary static libraries required for your registered 47# extension libs. 48 49inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc 50 51# Encode the value of TARGET_RECOVERY_UPDATER_LIBS into the filename of the dependency. 52# So if TARGET_RECOVERY_UPDATER_LIBS is changed, a new dependency file will be generated. 53# Note that we have to remove any existing depency files before creating new one, 54# so no obsolete dependecy file gets used if you switch back to an old value. 55inc_dep_file := $(inc).dep.$(subst $(space),-,$(sort $(TARGET_RECOVERY_UPDATER_LIBS))) 56$(inc_dep_file): stem := $(inc).dep 57$(inc_dep_file) : 58 $(hide) mkdir -p $(dir $@) 59 $(hide) rm -f $(stem).* 60 $(hide) touch $@ 61 62$(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS) 63$(inc) : $(inc_dep_file) 64 $(hide) mkdir -p $(dir $@) 65 $(hide) echo "" > $@ 66 $(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@;) 67 $(hide) echo "void RegisterDeviceExtensions() {" >> $@ 68 $(hide) $(foreach lib,$(libs),echo " Register_$(lib)();" >> $@;) 69 $(hide) echo "}" >> $@ 70 71$(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc) 72LOCAL_C_INCLUDES += $(dir $(inc)) 73 74inc := 75inc_dep_file := 76 77LOCAL_MODULE := updater 78 79LOCAL_FORCE_STATIC_EXECUTABLE := true 80 81include $(BUILD_EXECUTABLE) 82