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 += libext4_utils libz 25endif 26 27ifeq ($(HAVE_SELINUX), true) 28LOCAL_C_INCLUDES += external/libselinux/include 29LOCAL_STATIC_LIBRARIES += libselinux 30LOCAL_CFLAGS += -DHAVE_SELINUX 31endif # HAVE_SELINUX 32 33LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS) 34LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz 35LOCAL_STATIC_LIBRARIES += libmincrypt libbz 36LOCAL_STATIC_LIBRARIES += libminelf 37LOCAL_STATIC_LIBRARIES += libcutils libstdc++ libc 38LOCAL_C_INCLUDES += $(LOCAL_PATH)/.. 39 40# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function 41# named "Register_<libname>()". Here we emit a little C function that 42# gets #included by updater.c. It calls all those registration 43# functions. 44 45# Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS. 46# These libs are also linked in with updater, but we don't try to call 47# any sort of registration function for these. Use this variable for 48# any subsidiary static libraries required for your registered 49# extension libs. 50 51inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc 52 53# During the first pass of reading the makefiles, we dump the list of 54# extension libs to a temp file, then copy that to the ".list" file if 55# it is different than the existing .list (if any). The register.inc 56# file then uses the .list as a prerequisite, so it is only rebuilt 57# (and updater.o recompiled) when the list of extension libs changes. 58 59junk := $(shell mkdir -p $(dir $(inc));\ 60 echo $(TARGET_RECOVERY_UPDATER_LIBS) > $(inc).temp;\ 61 diff -q $(inc).temp $(inc).list 2>/dev/null || cp -f $(inc).temp $(inc).list) 62 63$(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS) 64$(inc) : $(inc).list 65 $(hide) mkdir -p $(dir $@) 66 $(hide) echo "" > $@ 67 $(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@;) 68 $(hide) echo "void RegisterDeviceExtensions() {" >> $@ 69 $(hide) $(foreach lib,$(libs),echo " Register_$(lib)();" >> $@;) 70 $(hide) echo "}" >> $@ 71 72$(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc) 73LOCAL_C_INCLUDES += $(dir $(inc)) 74 75LOCAL_MODULE := updater 76 77LOCAL_FORCE_STATIC_EXECUTABLE := true 78 79include $(BUILD_EXECUTABLE) 80