1 # Copyright 2009 The Android Open Source Project 2 3 LOCAL_PATH := $(call my-dir) 4 5 updater_src_files := \ 6 install.c \ 7 updater.c 8 9 # 10 # Build a statically-linked binary to include in OTA packages 11 # 12 include $(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.) 17 LOCAL_MODULE_TAGS := eng 18 19 LOCAL_SRC_FILES := $(updater_src_files) 20 21 ifeq ($(TARGET_USERIMAGES_USE_EXT4), true) 22 LOCAL_CFLAGS += -DUSE_EXT4 23 LOCAL_C_INCLUDES += system/extras/ext4_utils 24 LOCAL_STATIC_LIBRARIES += libext4_utils libz 25 endif 26 27 LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS) 28 LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz 29 LOCAL_STATIC_LIBRARIES += libmincrypt libbz 30 LOCAL_STATIC_LIBRARIES += libminelf 31 LOCAL_STATIC_LIBRARIES += libcutils libstdc++ libc 32 LOCAL_C_INCLUDES += $(LOCAL_PATH)/.. 33 34 # Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function 35 # named "Register_<libname>()". Here we emit a little C function that 36 # gets #included by updater.c. It calls all those registration 37 # functions. 38 39 # Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS. 40 # These libs are also linked in with updater, but we don't try to call 41 # any sort of registration function for these. Use this variable for 42 # any subsidiary static libraries required for your registered 43 # extension libs. 44 45 inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc 46 47 # During the first pass of reading the makefiles, we dump the list of 48 # extension libs to a temp file, then copy that to the ".list" file if 49 # it is different than the existing .list (if any). The register.inc 50 # file then uses the .list as a prerequisite, so it is only rebuilt 51 # (and updater.o recompiled) when the list of extension libs changes. 52 53 junk := $(shell mkdir -p $(dir $(inc));\ 54 echo $(TARGET_RECOVERY_UPDATER_LIBS) > $(inc).temp;\ 55 diff -q $(inc).temp $(inc).list 2>/dev/null || cp -f $(inc).temp $(inc).list) 56 57 $(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS) 58 $(inc) : $(inc).list 59 $(hide) mkdir -p $(dir $@) 60 $(hide) echo "" > $@ 61 $(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@;) 62 $(hide) echo "void RegisterDeviceExtensions() {" >> $@ 63 $(hide) $(foreach lib,$(libs),echo " Register_$(lib)();" >> $@;) 64 $(hide) echo "}" >> $@ 65 66 $(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc) 67 LOCAL_C_INCLUDES += $(dir $(inc)) 68 69 LOCAL_MODULE := updater 70 71 LOCAL_FORCE_STATIC_EXECUTABLE := true 72 73 include $(BUILD_EXECUTABLE) 74