first commit
diff --git a/updater/Android.mk b/updater/Android.mk
new file mode 100644
index 0000000..5c43e1c
--- /dev/null
+++ b/updater/Android.mk
@@ -0,0 +1,81 @@
+# Copyright 2009 The Android Open Source Project
+
+LOCAL_PATH := $(call my-dir)
+
+updater_src_files := \
+ install.c \
+ ../mounts.c \
+ updater.c
+
+#
+# Build a statically-linked binary to include in OTA packages
+#
+include $(CLEAR_VARS)
+
+# Build only in eng, so we don't end up with a copy of this in /system
+# on user builds. (TODO: find a better way to build device binaries
+# needed only for OTA packages.)
+LOCAL_MODULE_TAGS := eng
+
+LOCAL_SRC_FILES := $(updater_src_files)
+
+ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
+LOCAL_CFLAGS += -DUSE_EXT4
+LOCAL_C_INCLUDES += system/extras/ext4_utils
+LOCAL_STATIC_LIBRARIES += libext4_utils libz
+endif
+
+LOCAL_STATIC_LIBRARIES += libflashutils libmtdutils libmmcutils libbmlutils
+
+LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS)
+LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz
+LOCAL_STATIC_LIBRARIES += libmincrypt libbz
+LOCAL_STATIC_LIBRARIES += libcutils libstdc++ libc
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
+
+# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function
+# named "Register_<libname>()". Here we emit a little C function that
+# gets #included by updater.c. It calls all those registration
+# functions.
+
+# Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS.
+# These libs are also linked in with updater, but we don't try to call
+# any sort of registration function for these. Use this variable for
+# any subsidiary static libraries required for your registered
+# extension libs.
+
+inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc
+
+# During the first pass of reading the makefiles, we dump the list of
+# extension libs to a temp file, then copy that to the ".list" file if
+# it is different than the existing .list (if any). The register.inc
+# file then uses the .list as a prerequisite, so it is only rebuilt
+# (and updater.o recompiled) when the list of extension libs changes.
+
+junk := $(shell mkdir -p $(dir $(inc));\
+ echo $(TARGET_RECOVERY_UPDATER_LIBS) > $(inc).temp;\
+ diff -q $(inc).temp $(inc).list || cp -f $(inc).temp $(inc).list)
+
+$(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS)
+$(inc) : $(inc).list
+ $(hide) mkdir -p $(dir $@)
+ $(hide) echo "" > $@
+ $(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@)
+ $(hide) echo "void RegisterDeviceExtensions() {" >> $@
+ $(hide) $(foreach lib,$(libs),echo " Register_$(lib)();" >> $@)
+ $(hide) echo "}" >> $@
+
+$(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc)
+LOCAL_C_INCLUDES += $(dir $(inc))
+
+LOCAL_MODULE := updater
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+include $(BUILD_EXECUTABLE)
+
+
+file := $(PRODUCT_OUT)/utilities/update-binary
+ALL_PREBUILT += $(file)
+$(file) : $(TARGET_OUT)/bin/updater | $(ACP)
+ $(transform-prebuilt-to-target)