diff --git a/CleanSpec.mk b/CleanSpec.mk
index d103aa6..5446ce7 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -107,7 +107,12 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libbcinfo_intermediates)
+
+# ICS MR2!!!!!!!!!!!!
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libbcinfo_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
diff --git a/core/Makefile b/core/Makefile
index 8d4278d..afb69b2 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -26,7 +26,8 @@
     $(eval _src := $(call word-colon,1,$(cf))) \
     $(eval _dest := $(call word-colon,2,$(cf))) \
     $(call check-product-copy-files,$(cf)) \
-    $(if $(filter $(unique_product_copy_files_destinations),$(_dest)),, \
+    $(if $(filter $(unique_product_copy_files_destinations),$(_dest)), \
+        $(info PRODUCT_COPY_FILES $(cf) ignored.), \
         $(eval _fulldest := $(call append-path,$(PRODUCT_OUT),$(_dest))) \
         $(eval $(call copy-one-file,$(_src),$(_fulldest))) \
         $(eval ALL_DEFAULT_INSTALLED_MODULES += $(_fulldest)) \
@@ -603,21 +604,21 @@
 
 ifeq ($(INTERNAL_USERIMAGES_USE_EXT),true)
 INTERNAL_USERIMAGES_DEPS := $(MKEXTUSERIMG) $(MAKE_EXT4FS)
-INTERNAL_USERIMAGES_BINARY_PATHS := $(sort $(dir $(INTERNAL_USERIMAGES_DEPS)))
-
-# $(1): src directory
-# $(2): output file
-# $(3): mount point
-# $(4): ext variant (ext2, ext3, ext4)
-# $(5): size of the partition
-define build-userimage-ext-target
-  @mkdir -p $(dir $(2))
-  $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
-	  $(MKEXTUSERIMG) $(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG) $(1) $(2) $(4) $(3) $(5)
-endef
 else
 INTERNAL_USERIMAGES_DEPS := $(MKYAFFS2)
 endif
+INTERNAL_USERIMAGES_BINARY_PATHS := $(sort $(dir $(INTERNAL_USERIMAGES_DEPS)))
+
+# $(1): the path of the output dictionary file
+define generate-userimage-prop-dictionary
+$(if $(INTERNAL_USERIMAGES_EXT_VARIANT),$(hide) echo "fs_type=$(INTERNAL_USERIMAGES_EXT_VARIANT)" >> $(1))
+$(if $(BOARD_SYSTEMIMAGE_PARTITION_SIZE),$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(BOARD_USERDATAIMAGE_PARTITION_SIZE),$(hide) echo "userdata_size=$(BOARD_USERDATAIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "cache_fs_type=$(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
+$(if $(BOARD_CACHEIMAGE_PARTITION_SIZE),$(hide) echo "cache_size=$(BOARD_CACHEIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG),$(hide) echo "extfs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG)" >> $(1))
+$(if $(mkyaffs2_extra_flags),$(hide) echo "mkyaffs2_extra_flags=$(mkyaffs2_extra_flags)" >> $(1))
+endef
 
 # -----------------------------------------------------------------
 # Recovery image
@@ -769,28 +770,19 @@
 endif
 
 systemimage_intermediates := \
-	$(call intermediates-dir-for,PACKAGING,systemimage)
+    $(call intermediates-dir-for,PACKAGING,systemimage)
 BUILT_SYSTEMIMAGE := $(systemimage_intermediates)/system.img
 
-ifeq ($(INTERNAL_USERIMAGES_USE_EXT),true)
-## generate an ext image
 # $(1): output file
 define build-systemimage-target
-    @echo "Target system fs image: $(1)"
-    $(call build-userimage-ext-target,$(TARGET_OUT),$(1),system,$(INTERNAL_USERIMAGES_EXT_VARIANT),$(BOARD_SYSTEMIMAGE_PARTITION_SIZE))
+  @echo "Target system fs image: $(1)"
+  @mkdir -p $(dir $(1)) $(systemimage_intermediates) && rm -rf $(systemimage_intermediates)/system_image_info.txt
+  $(call generate-userimage-prop-dictionary, $(systemimage_intermediates)/system_image_info.txt)
+  $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
+      ./build/tools/releasetools/build_image.py \
+      $(TARGET_OUT) $(systemimage_intermediates)/system_image_info.txt $(1)
 endef
 
-else # INTERNAL_USERIMAGES_USE_EXT != true
-
-## generate a yaffs2 image
-# $(1): output file
-define build-systemimage-target
-    @echo "Target system fs image: $(1)"
-    @mkdir -p $(dir $(1))
-    $(hide) $(MKYAFFS2) -f $(mkyaffs2_extra_flags) $(TARGET_OUT) $(1)
-endef
-endif # INTERNAL_USERIMAGES_USE_EXT
-
 $(BUILT_SYSTEMIMAGE): $(FULL_SYSTEMIMAGE_DEPS) $(INSTALLED_FILES_FILE)
 	$(call build-systemimage-target,$@)
 
@@ -888,30 +880,23 @@
 # -----------------------------------------------------------------
 # data partition image
 INTERNAL_USERDATAIMAGE_FILES := \
-	$(filter $(TARGET_OUT_DATA)/%,$(ALL_DEFAULT_INSTALLED_MODULES))
+    $(filter $(TARGET_OUT_DATA)/%,$(ALL_DEFAULT_INSTALLED_MODULES))
 
-ifeq ($(INTERNAL_USERIMAGES_USE_EXT),true)
-## Generate an ext2 image
-define build-userdataimage-target
-    $(call pretty,"Target userdata fs image: $(INSTALLED_USERDATAIMAGE_TARGET)")
-    @mkdir -p $(TARGET_OUT_DATA)
-    $(call build-userimage-ext-target,$(TARGET_OUT_DATA),$(INSTALLED_USERDATAIMAGE_TARGET),data,$(INTERNAL_USERIMAGES_EXT_VARIANT),$(BOARD_USERDATAIMAGE_PARTITION_SIZE))
-    $(hide) $(call assert-max-image-size,$(INSTALLED_USERDATAIMAGE_TARGET),$(BOARD_USERDATAIMAGE_PARTITION_SIZE),yaffs)
-endef
-
-else # INTERNAL_USERIMAGES_USE_EXT != true
-
-## Generate a yaffs2 image
-define build-userdataimage-target
-    $(call pretty,"Target userdata fs image: $(INSTALLED_USERDATAIMAGE_TARGET)")
-    @mkdir -p $(TARGET_OUT_DATA)
-    $(hide) $(MKYAFFS2) -f $(mkyaffs2_extra_flags) $(TARGET_OUT_DATA) $(INSTALLED_USERDATAIMAGE_TARGET)
-    $(hide) $(call assert-max-image-size,$(INSTALLED_USERDATAIMAGE_TARGET),$(BOARD_USERDATAIMAGE_PARTITION_SIZE),yaffs)
-endef
-endif # INTERNAL_USERIMAGES_USE_EXT
-
+userdataimage_intermediates := \
+    $(call intermediates-dir-for,PACKAGING,userdata)
 BUILT_USERDATAIMAGE_TARGET := $(PRODUCT_OUT)/userdata.img
 
+define build-userdataimage-target
+  $(call pretty,"Target userdata fs image: $(INSTALLED_USERDATAIMAGE_TARGET)")
+  @mkdir -p $(TARGET_OUT_DATA)
+  @mkdir -p $(userdataimage_intermediates) && rm -rf $(userdataimage_intermediates)/userdata_image_info.txt
+  $(call generate-userimage-prop-dictionary, $(userdataimage_intermediates)/userdata_image_info.txt)
+  $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
+      ./build/tools/releasetools/build_image.py \
+      $(TARGET_OUT_DATA) $(userdataimage_intermediates)/userdata_image_info.txt $(INSTALLED_USERDATAIMAGE_TARGET)
+  $(hide) $(call assert-max-image-size,$(INSTALLED_USERDATAIMAGE_TARGET),$(BOARD_USERDATAIMAGE_PARTITION_SIZE),yaffs)
+endef
+
 # We just build this directly to the install location.
 INSTALLED_USERDATAIMAGE_TARGET := $(BUILT_USERDATAIMAGE_TARGET)
 $(INSTALLED_USERDATAIMAGE_TARGET): $(INTERNAL_USERIMAGES_DEPS) \
@@ -944,6 +929,38 @@
 
 
 # -----------------------------------------------------------------
+# cache partition image
+ifdef BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
+INTERNAL_CACHEIMAGE_FILES := \
+    $(filter $(TARGET_OUT_CACHE)/%,$(ALL_DEFAULT_INSTALLED_MODULES))
+
+cacheimage_intermediates := \
+    $(call intermediates-dir-for,PACKAGING,cache)
+BUILT_CACHEIMAGE_TARGET := $(PRODUCT_OUT)/cache.img
+
+define build-cacheimage-target
+  $(call pretty,"Target cache fs image: $(INSTALLED_CACHEIMAGE_TARGET)")
+  @mkdir -p $(TARGET_OUT_CACHE)
+  @mkdir -p $(cacheimage_intermediates) && rm -rf $(cacheimage_intermediates)/cache_image_info.txt
+  $(call generate-userimage-prop-dictionary, $(cacheimage_intermediates)/cache_image_info.txt)
+  $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
+      ./build/tools/releasetools/build_image.py \
+      $(TARGET_OUT_CACHE) $(cacheimage_intermediates)/cache_image_info.txt $(INSTALLED_CACHEIMAGE_TARGET)
+  $(hide) $(call assert-max-image-size,$(INSTALLED_CACHEIMAGE_TARGET),$(BOARD_CACHEIMAGE_PARTITION_SIZE),yaffs)
+endef
+
+# We just build this directly to the install location.
+INSTALLED_CACHEIMAGE_TARGET := $(BUILT_CACHEIMAGE_TARGET)
+$(INSTALLED_CACHEIMAGE_TARGET): $(INTERNAL_USERIMAGES_DEPS) $(INTERNAL_CACHEIMAGE_FILES)
+	$(build-cacheimage-target)
+
+.PHONY: cacheimage-nodeps
+cacheimage-nodeps: | $(INTERNAL_USERIMAGES_DEPS)
+	$(build-cacheimage-target)
+
+endif # BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
+
+# -----------------------------------------------------------------
 # bring in the installer image generation defines if necessary
 ifeq ($(TARGET_USE_DISKINSTALLER),true)
 include bootable/diskinstaller/config.mk
@@ -1024,6 +1041,7 @@
 		$(INSTALLED_RECOVERYIMAGE_TARGET) \
 		$(INSTALLED_SYSTEMIMAGE) \
 		$(INSTALLED_USERDATAIMAGE_TARGET) \
+		$(INSTALLED_CACHEIMAGE_TARGET) \
 		$(INSTALLED_ANDROID_INFO_TXT_TARGET) \
 		$(built_ota_tools) \
 		$(APKCERTS_FILE) \
@@ -1100,23 +1118,12 @@
 ifdef BOARD_RECOVERYIMAGE_PARTITION_SIZE
 	$(hide) echo "recovery_size=$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
 endif
-ifdef BOARD_SYSTEMIMAGE_PARTITION_SIZE
-	$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
-endif
-ifdef BOARD_USERDATAIMAGE_PARTITION_SIZE
-	$(hide) echo "userdata_size=$(BOARD_USERDATAIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
-endif
 	$(hide) echo "tool_extensions=$(tool_extensions)" >> $(zip_root)/META/misc_info.txt
-ifdef mkyaffs2_extra_flags
-	$(hide) echo "mkyaffs2_extra_flags=$(mkyaffs2_extra_flags)" >> $(zip_root)/META/misc_info.txt
-endif
-ifdef INTERNAL_USERIMAGES_SPARSE_EXT_FLAG
-	$(hide) echo "extfs_sparse_flag=$(INTERNAL_USERIMAGES_SPARSE_EXT_FLAG)" >> $(zip_root)/META/misc_info.txt
-endif
 	$(hide) echo "default_system_dev_certificate=$(DEFAULT_SYSTEM_DEV_CERTIFICATE)" >> $(zip_root)/META/misc_info.txt
 ifdef PRODUCT_EXTRA_RECOVERY_KEYS
 	$(hide) echo "extra_recovery_keys=$(PRODUCT_EXTRA_RECOVERY_KEYS)" >> $(zip_root)/META/misc_info.txt
 endif
+	$(call generate-userimage-prop-dictionary, $(zip_root)/META/misc_info.txt)
 	@# Zip everything up, preserving symlinks
 	$(hide) (cd $(zip_root) && zip -qry ../$(notdir $@) .)
 	@# Run fs_config on all the system, boot ramdisk, and recovery ramdisk files in the zip, and save the output
@@ -1431,6 +1438,7 @@
 			-I $(TARGET_COMMON_OUT_ROOT) \
 			-v "PLATFORM_NAME=android-$(PLATFORM_VERSION)" \
 			-v "OUT_DIR=$(OUT_DIR)" \
+			-v "HOST_OUT=$(HOST_OUT)" \
 			-v "TARGET_ARCH=$(TARGET_ARCH)" \
 			-v "TARGET_CPU_ABI=$(TARGET_CPU_ABI)" \
 			-v "DLL_EXTENSION=$(HOST_SHLIB_SUFFIX)" \
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 242b53d..38c2c10 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -110,8 +110,10 @@
 # find files like MODULE_LICENSE_GPL_AND_AFL but exclude files like
 # MODULE_LICENSE_LGPL.
 #
-ifneq ($(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL*),)
+gpl_license_file := $(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL*)
+ifneq ($(gpl_license_file),)
   LOCAL_MODULE_TAGS += gnu
+  ALL_GPL_MODULE_LICENSE_FILES := $(sort $(ALL_GPL_MODULE_LICENSE_FILES) $(gpl_license_file))
 endif
 
 #
@@ -381,7 +383,7 @@
 
 ## PRIVATE java vars ######################################
 
-ifneq ($(strip $(all_java_sources)$(all_res_assets)),)
+ifneq ($(strip $(all_java_sources)$(all_res_assets))$(LOCAL_STATIC_JAVA_LIBRARIES),)
 
 full_static_java_libs := \
     $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
@@ -587,6 +589,10 @@
     $(ALL_MODULES.$(LOCAL_MODULE).EVENT_LOG_TAGS) $(event_log_tags)
 ALL_MODULES.$(LOCAL_MODULE).INTERMEDIATE_SOURCE_DIR := \
     $(ALL_MODULES.$(LOCAL_MODULE).INTERMEDIATE_SOURCE_DIR) $(LOCAL_INTERMEDIATE_SOURCE_DIR)
+ifdef LOCAL_MODULE_OWNER
+ALL_MODULES.$(LOCAL_MODULE).OWNER := \
+    $(strip $(ALL_MODULES.$(LOCAL_MODULE).OWNER) $(LOCAL_MODULE_OWNER))
+endif
 
 INSTALLABLE_FILES.$(LOCAL_INSTALLED_MODULE).MODULE := $(LOCAL_MODULE)
 
diff --git a/core/build_id.mk b/core/build_id.mk
index e954794..40bb35d 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -23,7 +23,7 @@
 # (like "TC1-RC5").  It must be a single word, and is
 # capitalized by convention.
 #
-BUILD_ID := OPENMASTER
+BUILD_ID := MASTER
 
 # DISPLAY_BUILD_NUMBER should only be set for development branches,
 # If set, the BUILD_NUMBER (cl) is appended to the BUILD_ID for
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 66e6232..ae4bd38 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -107,6 +107,7 @@
 LOCAL_RENDERSCRIPT_INCLUDES:=
 LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE:=
 LOCAL_RENDERSCRIPT_CC:=
+LOCAL_RENDERSCRIPT_FLAGS:=
 LOCAL_RENDERSCRIPT_TARGET_API:=
 LOCAL_BUILD_HOST_DEX:=
 LOCAL_DEX_PREOPT:= # '',true,false,nostripping
@@ -114,6 +115,7 @@
 LOCAL_PROTOC_FLAGS:=
 LOCAL_NO_CRT:=
 LOCAL_PROPRIETARY_MODULE:=
+LOCAL_MODULE_OWNER:=
 LOCAL_CTS_TEST_PACKAGE:=
 
 # Trim MAKEFILE_LIST so that $(call my-dir) doesn't need to
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 8c89143..ca12ba2 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -43,8 +43,8 @@
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
-TARGET_TOOLS_PREFIX := \
-	prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-linux-androideabi-4.4.x/bin/arm-linux-androideabi-
+TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/arm/arm-linux-androideabi-4.6
+TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/arm-linux-androideabi-
 endif
 
 # Only define these if there's actually a gcc in there.
@@ -102,7 +102,7 @@
 arch_include_dir := $(dir $(android_config_h))
 
 TARGET_GLOBAL_CFLAGS += \
-			-msoft-float -fpic \
+			-msoft-float -fpic -fPIE \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -114,11 +114,13 @@
 			-include $(android_config_h) \
 			-I $(arch_include_dir)
 
-# This warning causes dalvik not to build with gcc 4.6 and -Werror.
+# This warning causes dalvik not to build with gcc 4.6.x and -Werror.
 # We cannot turn it off blindly since the option is not available
-# in gcc-4.4.x
-ifneq ($(filter 4.6.0%, $(shell $(TARGET_CC) --version)),)
-TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable
+# in gcc-4.4.x.  We also want to disable sincos optimization globally
+# by turning off the builtin sin function.
+ifneq ($(filter 4.6.%, $(shell $(TARGET_CC) --version)),)
+TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable -fno-builtin-sin \
+			-fno-strict-volatile-bitfields
 endif
 
 # This is to avoid the dreaded warning compiler message:
@@ -266,7 +268,7 @@
 endef
 
 define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -Wl,-T,$(BUILD_SYSTEM)/armelf.x \
+$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
 	-Wl,-dynamic-linker,/system/bin/linker \
     -Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
@@ -287,7 +289,7 @@
 endef
 
 define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic -Wl,-T,$(BUILD_SYSTEM)/armelf.x \
+$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
     -Wl,--gc-sections \
 	-o $@ \
 	$(TARGET_GLOBAL_LD_DIRS) \
diff --git a/core/combo/TARGET_linux-sh.mk b/core/combo/TARGET_linux-sh.mk
index b8e00dd..88c6215 100644
--- a/core/combo/TARGET_linux-sh.mk
+++ b/core/combo/TARGET_linux-sh.mk
@@ -19,8 +19,8 @@
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
-TARGET_TOOLS_PREFIX := \
-	prebuilt/$(HOST_PREBUILT_TAG)/toolchain/sh-4.3.3/bin/sh-linux-gnu-
+TARGET_TOOLCHAIN_ROOT := prebuilt/$(HOST_PREBUILT_TAG)/toolchain/sh-4.3.3
+TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/sh-linux-gnu-
 endif
 
 TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 3d09276..9e1d4bd 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -22,10 +22,22 @@
 TARGET_ARCH_VARIANT := x86
 endif
 
+# Include the arch-variant-specific configuration file.
+# Its role is to define various ARCH_X86_HAVE_XXX feature macros,
+# plus initial values for TARGET_GLOBAL_CFLAGS
+#
+TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
+ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
+$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT))
+endif
+
+include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
+
+
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
-TARGET_TOOLS_PREFIX := \
-	prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-android-linux-4.4.3/bin/i686-android-linux-
+TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/i686-android-linux-4.4.3
+TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/i686-android-linux-
 endif
 
 TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
@@ -73,7 +85,7 @@
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-Wstrict-aliasing=2 \
-			-fPIC \
+			-fPIC -fPIE \
 			-ffunction-sections \
 			-finline-functions \
 			-finline-limit=300 \
@@ -84,44 +96,48 @@
 			-funwind-tables \
 			-include $(call select-android-config-h,target_linux-x86)
 
-# Needs to be fixed later
-#TARGET_GLOBAL_CFLAGS += \
-#			-fstack-protector
-
-# Needs to be added for RELEASE
-#TARGET_GLOBAL_CFLAGS += \
-#			-DNDEBUG
-
+# XXX: Not sure this is still needed. Must check with our toolchains.
 TARGET_GLOBAL_CPPFLAGS += \
 			-fno-use-cxa-atexit
 
-ifeq ($(TARGET_ARCH_VARIANT),x86-atom)
-    # Basic ATOM flags.
-    TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -mfpmath=sse
+# XXX: Our toolchain is normally configured to always set these flags by default
+# however, there have been reports that this is sometimes not the case. So make
+# them explicit here unless we have the time to carefully check it
+#
+TARGET_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse
 
-    # There are various levels of ATOM processors out there. Different ones have different
-    # capabilities. This first define matches the NDK's minimum ABI requirements.
-    # Note: Not all of the flags set here are actually used in Android. They are provided
-    # to allow for the addition of corresponding optimizations.
-    TARGET_GLOBAL_CFLAGS += -DUSE_MMX -DUSE_SSE -DUSE_SSE2 -DUSE_SSE3
-
-    # If you wish to build a BSP that will only be used on hardware that has additional
-    # available instructions, enable them here. By default, this is commented off so that
-    # the default images can run on all processors that are NDK ABI compliant.
-    # TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3
-else
-    # Plain 'x86' - lowest common denominator. This should run pretty much on any hardware.
-    #
-    # Note: The NDK's ABI (see the NDK ABI documentation) requires many of the more recent
-    # instruction set additions. You can build an "x86" BSP that will run on very old hardware,
-    # but it won't be able to run much of the x86 NDK compliant code.
-    TARGET_GLOBAL_CFLAGS += -march=i686
+# XXX: These flags should not be defined here anymore. Instead, the Android.mk
+# of the modules that depend on these features should instead check the
+# corresponding macros (e.g. ARCH_X86_HAVE_SSE2 and ARCH_X86_HAVE_SSSE3)
+# Keep them here until this is all cleared up.
+#
+ifeq ($(ARCH_X86_HAVE_SSE2),true)
+TARGET_GLOBAL_CFLAGS += -DUSE_SSE2
 endif
 
+ifeq ($(ARCH_X86_HAVE_SSSE3),true)   # yes, really SSSE3, not SSE3!
+TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3
+endif
+
+# XXX: This flag is probably redundant. I believe our toolchain always sets
+# it by default. Consider for removal.
+#
 TARGET_GLOBAL_CFLAGS += -mbionic
+
+# XXX: This flag is probably redundant. The macro should be defined by our
+# toolchain binaries automatically (as a compiler built-in).
+# Check with: $BINPREFIX-gcc -dM -E < /dev/null
+#
+# Consider for removal.
+#
 TARGET_GLOBAL_CFLAGS += -D__ANDROID__
 
+# XXX: This flag is probably redundant since our toolchain binaries already
+# generate 32-bit machine code. It probably dates back to the old days
+# where we were using the host toolchain on Linux to build the platform
+# images. Consider it for removal.
 TARGET_GLOBAL_LDFLAGS += -m32
+
 TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
 TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
 
@@ -175,6 +191,7 @@
 	-nostdlib -Bdynamic \
 	-Wl,-dynamic-linker,/system/bin/linker \
 	-Wl,-z,nocopyreloc \
+	-fPIE -pie \
 	-o $@ \
 	$(TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
@@ -204,3 +221,21 @@
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
 endef
+
+# Special check for x86 NDK ABI compatibility.
+# The TARGET_CPU_ABI variable should be defined in BoardConfig.mk to 'x86'
+# *only* if the platform image is compatible with the NDK x86 ABI.
+#
+# We perform a small check here to ensure that nothing bad can happen.
+#
+ifeq ($(TARGET_CPU_ABI),x86)
+  ifneq (true-true-true-true,$(ARCH_X86_HAVE_MMX)-$(ARCH_X86_HAVE_SSE)-$(ARCH_X86_HAVE_SSE2)-$(ARCH_X86_HAVE_SSE3))
+    $(info ERROR: Your x86 platform image is not compatible with the NDK x86 ABI)
+    $(info As such, you should *not* define TARGET_CPU_ABI to 'x86' in your BoardConfig.mk)
+    $(info to ensure that your device will not be mistakenly listed as compatible by
+    $(info the Android Market. Also, it is likely that the image will fail the CTS tests)
+    $(info Please undefine TARGET_CPU_ABI in your BoardConfig.mk, or select the value 'none')
+    $(info The corresponding image will still be able to run Dalvik-based Android applications)
+    $(error Aborting build! Please fix your BoardConfig.mk)
+  endif
+endif
diff --git a/core/combo/arch/x86/x86-atom.mk b/core/combo/arch/x86/x86-atom.mk
new file mode 100644
index 0000000..85998e7
--- /dev/null
+++ b/core/combo/arch/x86/x86-atom.mk
@@ -0,0 +1,18 @@
+# This file contains feature macro definitions specific to the
+# 'x86-atom' arch variant. This is an extension of the 'x86' base variant
+# that adds Atom-specific features.
+#
+# See build/core/combo/arch/x86/x86.mk for differences.
+#
+ARCH_X86_HAVE_MMX   := true
+ARCH_X86_HAVE_SSE   := true
+ARCH_X86_HAVE_SSE2  := true
+ARCH_X86_HAVE_SSE3  := true
+
+ARCH_X86_HAVE_SSSE3 := true
+ARCH_X86_HAVE_MOVBE := true
+ARCH_X86_HAVE_POPCNT := false   # popcnt is not supported by current Atom CPUs
+
+# This flag is used to enabled Atom-specific optimizations with our toolchain
+#
+TARGET_GLOBAL_CFLAGS += -march=atom
diff --git a/core/combo/arch/x86/x86.mk b/core/combo/arch/x86/x86.mk
new file mode 100644
index 0000000..476da45
--- /dev/null
+++ b/core/combo/arch/x86/x86.mk
@@ -0,0 +1,35 @@
+# This file contains feature macro definitions specific to the
+# base 'x86' platform ABI. This one must *strictly* match the NDK x86 ABI
+# which mandates specific CPU extensions to be available.
+#
+# It is also used to build full_x86-eng / sdk_x86-eng platform images that
+# are run in the emulator under KVM emulation (i.e. running directly on
+# the host development machine's CPU).
+#
+
+# If your target device doesn't support the four following features, then
+# it cannot be compatible with the NDK x86 ABI. You should define a new
+# target arch variant (e.g. "x86-mydevice") and a corresponding file
+# under build/core/combo/arch/x86/
+#
+ARCH_X86_HAVE_MMX   := true
+ARCH_X86_HAVE_SSE   := true
+ARCH_X86_HAVE_SSE2  := true
+ARCH_X86_HAVE_SSE3  := true
+
+# These features are optional and shall not be included in the base platform
+# Otherwise, they sdk_x86-eng system images might fail to run on some
+# developer machines.
+#
+
+ARCH_X86_HAVE_SSSE3 := false
+ARCH_X86_HAVE_MOVBE := false
+ARCH_X86_HAVE_POPCNT := false
+
+
+# XXX: This flag is probably redundant, because it should be set by default
+# by our toolchain binaries. However, there have been reports that this may
+# not always work as intended, so keep it unless we have the time to check
+# everything properly.
+
+TARGET_GLOBAL_CFLAGS += -march=i686
diff --git a/core/combo/select.mk b/core/combo/select.mk
index cdeb68a..803cfc0 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -66,7 +66,7 @@
   ifeq ($(HOST_OS)-$(BUILD_OS),windows-linux)
     CCACHE_HOST_TAG := linux-$(BUILD_ARCH)
   endif
-  ccache := prebuilt/$(CCACHE_HOST_TAG)/ccache/ccache
+  ccache := prebuilts/misc/$(CCACHE_HOST_TAG)/ccache/ccache
   # Check that the executable is here.
   ccache := $(strip $(wildcard $(ccache)))
   ifdef ccache
diff --git a/core/config.mk b/core/config.mk
index 41e60ea..27a9f4b 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -117,7 +117,10 @@
 # If this file doesn't exist, the environemnt variables will
 # be used, and if that doesn't work, then the default is an
 # arm build
--include $(TOPDIR)buildspec.mk
+ifndef ANDROID_BUILDSPEC
+ANDROID_BUILDSPEC := $(TOPDIR)buildspec.mk
+endif
+-include $(ANDROID_BUILDSPEC)
 
 # ---------------------------------------------------------------
 # Define most of the global variables.  These are the ones that
@@ -336,8 +339,8 @@
 # For use with the LOCAL_SDK_VERSION variable for include $(BUILD_PACKAGE)
 # ###############################################################
 
-HISTORICAL_SDK_VERSIONS_ROOT := $(TOPDIR)prebuilt/sdk
-HISTORICAL_NDK_VERSIONS_ROOT := $(TOPDIR)prebuilt/ndk
+HISTORICAL_SDK_VERSIONS_ROOT := $(TOPDIR)prebuilts/sdk
+HISTORICAL_NDK_VERSIONS_ROOT := $(TOPDIR)prebuilts/ndk
 
 # Historical SDK version N is stored in $(HISTORICAL_SDK_VERSIONS_ROOT)/N.
 # The 'current' version is whatever this source tree is.
diff --git a/core/definitions.mk b/core/definitions.mk
index 3a5249c..fa0705c 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -78,6 +78,9 @@
 # All findbugs xml files
 ALL_FINDBUGS_FILES:=
 
+# GPL module license files
+ALL_GPL_MODULE_LICENSE_FILES:=
+
 ###########################################################
 ## Debugging; prints a variable list to stdout
 ###########################################################
@@ -802,6 +805,7 @@
   -d $(PRIVATE_RS_OUTPUT_DIR) \
   -a $@ -MD \
   $(addprefix -target-api , $(PRIVATE_RS_TARGET_API)) \
+  $(PRIVATE_RS_FLAGS) \
   $(foreach inc,$(PRIVATE_RS_INCLUDES),$(addprefix -I , $(inc))) \
   $(PRIVATE_RS_SOURCE_FILES)
 #$(hide) $(LLVM_RS_LINK) \
@@ -1104,7 +1108,7 @@
     rm -rf $$ldir; \
     mkdir -p $$ldir; \
     filelist=; \
-    for f in `$(HOST_AR) t $(1) | grep '\.o$$'`; do \
+    for f in `$(HOST_AR) t $(1) | \grep '\.o$$'`; do \
         $(HOST_AR) p $(1) $$f > $$ldir/$$f; \
         filelist="$$filelist $$ldir/$$f"; \
     done ; \
@@ -1444,7 +1448,8 @@
 fi
 $(hide) tr ' ' '\n' < $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list \
     | sort -u > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
-$(hide) $(1) -encoding UTF-8 \
+$(hide) if [ -s $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
+    $(1) -encoding UTF-8 \
     $(strip $(PRIVATE_JAVAC_DEBUG_FLAGS)) \
     $(if $(findstring true,$(LOCAL_WARNINGS_ENABLE)),$(xlint_unchecked),) \
     $(2) \
@@ -1454,9 +1459,14 @@
     -extdirs "" -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
     $(PRIVATE_JAVACFLAGS) \
     \@$(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq \
-    || ( rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR) ; exit 41 )
+    || ( rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR) ; exit 41 ) \
+fi
 $(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list
 $(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
+$(if $(PRIVATE_JAR_EXCLUDE_FILES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
+    -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
+    $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
+    | xargs rm -rf)
 $(hide) jar $(if $(strip $(PRIVATE_JAR_MANIFEST)),-cfm,-cf) \
     $@ $(PRIVATE_JAR_MANIFEST) -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .
 endef
@@ -1865,7 +1875,6 @@
   size=$$(for i in $(1); do $(call get-file-size,$$i); echo +; done; echo 0); \
   total=$$(( $$( echo "$$size" ) )); \
   printname=$$(echo -n "$(1)" | tr " " +); \
-  echo "$$printname total size is $$total"; \
   img_blocksize=$(call image-size-from-data-size,$(BOARD_FLASH_BLOCK_SIZE)); \
   if [ "$(3)" == "yaffs" ]; then \
     reservedblocks=8; \
@@ -1877,6 +1886,7 @@
   reserve=$$(((twoblocks > onepct ? twoblocks : onepct) + \
                reservedblocks * img_blocksize)); \
   maxsize=$$(($(2) - reserve)); \
+  echo "$$printname maxsize=$$maxsize blocksize=$$img_blocksize total=$$total reserve=$$reserve"; \
   if [ "$$total" -gt "$$maxsize" ]; then \
     echo "error: $$printname too large ($$total > [$(2) - $$reserve])"; \
     false; \
diff --git a/core/dumpvar.mk b/core/dumpvar.mk
index 22c8daa..cd65fa3 100644
--- a/core/dumpvar.mk
+++ b/core/dumpvar.mk
@@ -9,13 +9,20 @@
 ABP:=$(PWD)/$(HOST_OUT_EXECUTABLES)
 endif
 
-# Add the toolchain bin dir if it actually exists
-ifneq ($(wildcard $(PWD)/prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-linux-androideabi-4.4.x/bin),)
+# Add the ARM toolchain bin dir if it actually exists
+ifneq ($(wildcard $(PWD)/prebuilts/gcc/$(HOST_PREBUILT_TAG)/arm/arm-linux-androideabi-4.6/bin),)
 	# this should be copied to HOST_OUT_EXECUTABLES instead
-	ABP:=$(ABP):$(PWD)/prebuilt/$(HOST_PREBUILT_TAG)/toolchain/arm-linux-androideabi-4.4.x/bin
+	ABP:=$(ABP):$(PWD)/prebuilts/gcc/$(HOST_PREBUILT_TAG)/arm/arm-linux-androideabi-4.6/bin
+endif
+
+# Add the x86 toolchain bin dir if it actually exists
+ifneq ($(wildcard $(PWD)/prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/i686-android-linux-4.4.3/bin),)
+	# this should be copied to HOST_OUT_EXECUTABLES instead
+	ABP:=$(ABP):$(PWD)/prebuilts/gcc//$(HOST_PREBUILT_TAG)/x86/i686-android-linux-4.4.3/bin
 endif
 ANDROID_BUILD_PATHS := $(ABP)
 ANDROID_PREBUILTS := prebuilt/$(HOST_PREBUILT_TAG)
+ANDROID_GCC_PREBUILTS := prebuilts/gcc/$(HOST_PREBUILT_TAG)
 
 # The "dumpvar" stuff lets you say something like
 #
diff --git a/core/envsetup.mk b/core/envsetup.mk
index e8c924e..74e9100 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -102,6 +102,14 @@
   HOST_PREBUILT_TAG := $(HOST_OS)-$(HOST_ARCH)
 endif
 
+# TARGET_COPY_OUT_* are all relative to the staging directory, ie PRODUCT_OUT.
+# Define them here so they can be used in product config files.
+TARGET_COPY_OUT_SYSTEM := system
+TARGET_COPY_OUT_DATA := data
+TARGET_COPY_OUT_VENDOR := system/vendor
+TARGET_COPY_OUT_ROOT := root
+TARGET_COPY_OUT_RECOVERY := recovery
+
 # Read the product specs so we an get TARGET_DEVICE and other
 # variables that we need in order to locate the output files.
 include $(BUILD_SYSTEM)/product_config.mk
@@ -186,7 +194,7 @@
 TARGET_OUT_INTERMEDIATE_LIBRARIES := $(TARGET_OUT_INTERMEDIATES)/lib
 TARGET_OUT_COMMON_INTERMEDIATES := $(TARGET_COMMON_OUT_ROOT)/obj
 
-TARGET_OUT := $(PRODUCT_OUT)/system
+TARGET_OUT := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_SYSTEM)
 TARGET_OUT_EXECUTABLES:= $(TARGET_OUT)/bin
 TARGET_OUT_OPTIONAL_EXECUTABLES:= $(TARGET_OUT)/xbin
 TARGET_OUT_SHARED_LIBRARIES:= $(TARGET_OUT)/lib
@@ -199,7 +207,7 @@
 TARGET_OUT_NOTICE_FILES:=$(TARGET_OUT_INTERMEDIATES)/NOTICE_FILES
 TARGET_OUT_FAKE := $(PRODUCT_OUT)/fake_packages
 
-TARGET_OUT_DATA := $(PRODUCT_OUT)/data
+TARGET_OUT_DATA := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_DATA)
 TARGET_OUT_DATA_EXECUTABLES:= $(TARGET_OUT_EXECUTABLES)
 TARGET_OUT_DATA_SHARED_LIBRARIES:= $(TARGET_OUT_SHARED_LIBRARIES)
 TARGET_OUT_DATA_JAVA_LIBRARIES:= $(TARGET_OUT_JAVA_LIBRARIES)
@@ -210,7 +218,9 @@
 TARGET_OUT_DATA_STATIC_LIBRARIES:= $(TARGET_OUT_STATIC_LIBRARIES)
 TARGET_OUT_DATA_NATIVE_TESTS := $(TARGET_OUT_DATA)/nativetest
 
-TARGET_OUT_VENDOR := $(PRODUCT_OUT)/system/vendor
+TARGET_OUT_CACHE := $(PRODUCT_OUT)/cache
+
+TARGET_OUT_VENDOR := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_VENDOR)
 TARGET_OUT_VENDOR_EXECUTABLES:= $(TARGET_OUT_VENDOR)/bin
 TARGET_OUT_VENDOR_OPTIONAL_EXECUTABLES:= $(TARGET_OUT_VENDOR)/xbin
 TARGET_OUT_VENDOR_SHARED_LIBRARIES:= $(TARGET_OUT_VENDOR)/lib
@@ -225,13 +235,13 @@
 TARGET_ROOT_OUT_SBIN_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/sbin
 TARGET_ROOT_OUT_BIN_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/bin
 
-TARGET_ROOT_OUT := $(PRODUCT_OUT)/root
+TARGET_ROOT_OUT := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_ROOT)
 TARGET_ROOT_OUT_BIN := $(TARGET_ROOT_OUT)/bin
 TARGET_ROOT_OUT_SBIN := $(TARGET_ROOT_OUT)/sbin
 TARGET_ROOT_OUT_ETC := $(TARGET_ROOT_OUT)/etc
 TARGET_ROOT_OUT_USR := $(TARGET_ROOT_OUT)/usr
 
-TARGET_RECOVERY_OUT := $(PRODUCT_OUT)/recovery
+TARGET_RECOVERY_OUT := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_RECOVERY)
 TARGET_RECOVERY_ROOT_OUT := $(TARGET_RECOVERY_OUT)/root
 
 TARGET_SYSLOADER_OUT := $(PRODUCT_OUT)/sysloader
@@ -243,6 +253,8 @@
 TARGET_INSTALLER_ROOT_OUT := $(TARGET_INSTALLER_OUT)/root
 TARGET_INSTALLER_SYSTEM_OUT := $(TARGET_INSTALLER_OUT)/root/system
 
+TARGET_FACTORY_RAMDISK_OUT := $(PRODUCT_OUT)/factory_ramdisk
+
 COMMON_MODULE_CLASSES := TARGET-NOTICE_FILES HOST-NOTICE_FILES HOST-JAVA_LIBRARIES
 
 ifeq (,$(strip $(DIST_DIR)))
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 322d10f..6cc0b1f 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -52,6 +52,7 @@
 $(cleantarget): PRIVATE_CLEAN_FILES += $(intermediates.COMMON)
 
 $(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) $(jar_manifest_file)
 	$(transform-host-java-to-package)
 
@@ -87,6 +88,7 @@
 
 else
 $(LOCAL_BUILT_MODULE): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
+$(LOCAL_BUILT_MODULE): PRIVATE_JAR_EXCLUDE_FILES :=
 $(LOCAL_BUILT_MODULE): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) $(jar_manifest_file)
 	$(transform-host-java-to-package)
 endif  # LOCAL_BUILD_HOST_DEX
diff --git a/core/java.mk b/core/java.mk
index 1cde62b..e726bb0 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -5,7 +5,7 @@
 
 # Make sure there's something to build.
 # It's possible to build a package that doesn't contain any classes.
-ifeq (,$(strip $(LOCAL_SRC_FILES)$(all_res_assets)))
+ifeq (,$(strip $(LOCAL_SRC_FILES)$(all_res_assets)$(LOCAL_STATIC_JAVA_LIBRARIES)))
 $(error $(LOCAL_PATH): Target java module does not define any source or resource files)
 endif
 
@@ -152,6 +152,11 @@
 LOCAL_RENDERSCRIPT_CC := $(LLVM_RS_CC)
 endif
 
+# Turn on all warnings and warnings as errors for RS compiles.
+# This can be disabled with LOCAL_RENDERSCRIPT_FLAGS := -Wno-error
+renderscript_flags := -Wall -Werror
+renderscript_flags += $(LOCAL_RENDERSCRIPT_FLAGS)
+
 # prepend the RenderScript system include path
 ifneq ($(filter-out current,$(LOCAL_SDK_VERSION)),)
 LOCAL_RENDERSCRIPT_INCLUDES := \
@@ -171,6 +176,7 @@
 
 $(RenderScript_file_stamp): PRIVATE_RS_INCLUDES := $(LOCAL_RENDERSCRIPT_INCLUDES)
 $(RenderScript_file_stamp): PRIVATE_RS_CC := $(LOCAL_RENDERSCRIPT_CC)
+$(RenderScript_file_stamp): PRIVATE_RS_FLAGS := $(renderscript_flags)
 $(RenderScript_file_stamp): PRIVATE_RS_SOURCE_FILES := $(renderscript_sources_fullpath)
 # By putting the generated java files into $(LOCAL_INTERMEDIATE_SOURCE_DIR), they will be
 # automatically found by the java compiling function transform-java-to-classes.jar.
@@ -214,7 +220,7 @@
 # If the module includes java code (i.e., it's not framework-res), compile it.
 full_classes_jar :=
 built_dex :=
-ifneq (,$(strip $(all_java_sources)))
+ifneq (,$(strip $(all_java_sources)$(full_static_java_libs)))
 
 # If LOCAL_BUILT_MODULE_STEM wasn't overridden by our caller,
 # full_classes_jar will be the same module as LOCAL_BUILT_MODULE.
@@ -243,6 +249,7 @@
 # Deps for generated source files must be handled separately,
 # via deps on the target that generates the sources.
 $(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
 $(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) $(jar_manifest_file) \
 	$(RenderScript_file_stamp) $(proto_java_sources_file_stamp)
 	$(transform-java-to-classes.jar)
diff --git a/core/java_library.mk b/core/java_library.mk
index fa40c0e..904ef5f 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -14,9 +14,11 @@
 $(error $(LOCAL_PATH): Target java libraries may not set LOCAL_ASSET_DIR)
 endif
 
+ifneq (true,$(LOCAL_IS_STATIC_JAVA_LIBRARY))
 ifneq (,$(LOCAL_RESOURCE_DIR))
 $(error $(LOCAL_PATH): Target java libraries may not set LOCAL_RESOURCE_DIR)
 endif
+endif
 
 #xxx base_rules.mk looks at this
 all_res_assets :=
diff --git a/core/main.mk b/core/main.mk
index 380fb1d..140e896 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -37,7 +37,9 @@
 #TOPDIR := $(TOP)/
 #endif
 
-# check for broken versions of make
+# Check for broken versions of make.
+# (Allow any version under Cygwin since we don't actually build the platform there.)
+ifeq (,$(findstring CYGWIN,$(shell uname -sm)))
 ifeq (0,$(shell expr $$(echo $(MAKE_VERSION) | sed "s/[^0-9\.].*//") = 3.81))
 ifeq (0,$(shell expr $$(echo $(MAKE_VERSION) | sed "s/[^0-9\.].*//") = 3.82))
 $(warning ********************************************************************************)
@@ -48,6 +50,7 @@
 $(error stopping)
 endif
 endif
+endif
 
 TOP := .
 TOPDIR :=
@@ -399,6 +402,7 @@
 
 subdirs := \
 	prebuilt \
+	prebuilts \
 	build/libs/host \
 	build/tools/zipalign \
 	dalvik/dexdump \
@@ -445,7 +449,7 @@
 	sdk/ide_common \
 	sdk/jarutils \
 	sdk/layoutlib_api \
-	sdk/layoutopt \
+	sdk/manifmerger \
 	sdk/ninepatch \
 	sdk/rule_api \
 	sdk/lint \
@@ -732,6 +736,9 @@
 .PHONY: ramdisk
 ramdisk: $(INSTALLED_RAMDISK_TARGET)
 
+.PHONY: factory_ramdisk
+factory_ramdisk: $(INSTALLED_FACTORY_RAMDISK_TARGET)
+
 .PHONY: systemtarball
 systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)
 
@@ -748,6 +755,9 @@
 .PHONY: userdatatarball
 userdatatarball: $(INSTALLED_USERDATATARBALL_TARGET)
 
+.PHONY: cacheimage
+cacheimage: $(INSTALLED_CACHEIMAGE_TARGET)
+
 .PHONY: bootimage
 bootimage: $(INSTALLED_BOOTIMAGE_TARGET)
 
@@ -762,6 +772,7 @@
 	$(INSTALLED_BOOTIMAGE_TARGET) \
 	$(INSTALLED_RECOVERYIMAGE_TARGET) \
 	$(INSTALLED_USERDATAIMAGE_TARGET) \
+	$(INSTALLED_CACHEIMAGE_TARGET) \
 	$(INSTALLED_FILES_FILE)
 
 # dist_files only for putting your library into the dist directory with a full build.
@@ -808,6 +819,7 @@
     $(BUILT_TARGET_FILES_PACKAGE) \
     $(INSTALLED_ANDROID_INFO_TXT_TARGET) \
     $(INSTALLED_RAMDISK_TARGET) \
+    $(INSTALLED_FACTORY_RAMDISK_TARGET) \
    )
 
 # Building a full system-- the default is to build droidcore
diff --git a/core/phony_package.mk b/core/phony_package.mk
index 3644db8..70b6aac 100644
--- a/core/phony_package.mk
+++ b/core/phony_package.mk
@@ -2,10 +2,6 @@
 $(error LOCAL_SRC_FILES are not allowed for phony packages)
 endif
 
-ifeq ($(strip $(LOCAL_REQUIRED_MODULES)),)
-$(error LOCAL_REQUIRED_MODULES is required for phony packages)
-endif
-
 LOCAL_MODULE_CLASS := FAKE
 LOCAL_MODULE_SUFFIX := -timestamp
 
diff --git a/core/product.mk b/core/product.mk
index f48d2be..23dc375 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -84,6 +84,8 @@
     PRODUCT_SDK_ADDON_DOC_MODULES \
     PRODUCT_DEFAULT_WIFI_CHANNELS \
     PRODUCT_DEFAULT_DEV_CERTIFICATE \
+    PRODUCT_RESTRICT_VENDOR_FILES \
+    PRODUCT_FACTORY_RAMDISK_MODULES \
 
 
 define dump-product
@@ -227,6 +229,8 @@
 	BOARD_RECOVERYIMAGE_PARTITION_SIZE \
 	BOARD_SYSTEMIMAGE_PARTITION_SIZE \
 	BOARD_USERDATAIMAGE_PARTITION_SIZE \
+	BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE \
+	BOARD_CACHEIMAGE_PARTITION_SIZE \
 	BOARD_FLASH_BLOCK_SIZE \
 	BOARD_SYSTEMIMAGE_PARTITION_SIZE \
 	BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE \
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 93d770a..0b2f63b 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -21,5 +21,88 @@
 
 LOCAL_UNINSTALLABLE_MODULE := true
 LOCAL_IS_STATIC_JAVA_LIBRARY := true
+
+# Hack to build static Java library with Android resource
+# See bug 5714516
+all_resources :=
+ifdef LOCAL_RESOURCE_DIR
+all_resources := $(strip \
+    $(foreach dir, $(LOCAL_RESOURCE_DIR), \
+      $(addprefix $(dir)/, \
+        $(patsubst res/%,%, \
+          $(call find-subdir-assets,$(dir)) \
+        ) \
+      ) \
+    ))
+
+ifneq (,$(all_resources))
+# Those files will be excluded from the built jar.
+# The R/Manifest classes should be re-generated in the app Module instead.
+# Use '' and $ escape because they will be passed to bash.
+LOCAL_JAR_EXCLUDE_FILES := 'R.class' 'R$$*.class' 'Manifest.class' 'Manifest$$*.class'
+endif
+endif
+
 include $(BUILD_SYSTEM)/java_library.mk
+
+ifneq (,$(all_resources))
+R_file_stamp := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/R.stamp
+
+ifeq ($(strip $(LOCAL_MANIFEST_FILE)),)
+LOCAL_MANIFEST_FILE := AndroidManifest.xml
+endif
+full_android_manifest := $(LOCAL_PATH)/$(LOCAL_MANIFEST_FILE)
+
+LOCAL_SDK_RES_VERSION:=$(strip $(LOCAL_SDK_RES_VERSION))
+ifeq ($(LOCAL_SDK_RES_VERSION),)
+  LOCAL_SDK_RES_VERSION:=$(LOCAL_SDK_VERSION)
+endif
+
+framework_res_package_export :=
+framework_res_package_export_deps :=
+# Please refer to package.mk
+ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+ifneq ($(filter-out current,$(LOCAL_SDK_RES_VERSION)),)
+framework_res_package_export := \
+    $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
+framework_res_package_export_deps := $(framework_res_package_export)
+else
+framework_res_package_export := \
+    $(call intermediates-dir-for,APPS,framework-res,,COMMON)/package-export.apk
+framework_res_package_export_deps := \
+    $(dir $(framework_res_package_export))src/R.stamp
+endif
+endif
+
+$(R_file_stamp): PRIVATE_MODULE := $(LOCAL_MODULE)
+# add --non-constant-id to prevent inlining constants.
+$(R_file_stamp): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --non-constant-id
+$(R_file_stamp): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
+$(R_file_stamp): PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
+$(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := $(intermediates.COMMON)/public_resources.xml
+$(R_file_stamp): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
+$(R_file_stamp): PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
+ifneq (,$(filter-out current, $(LOCAL_SDK_VERSION)))
+$(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
+else
+$(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
+endif
+$(R_file_stamp): PRIVATE_ASSET_DIR :=
+$(R_file_stamp): PRIVATE_PROGUARD_OPTIONS_FILE :=
+$(R_file_stamp): PRIVATE_MANIFEST_PACKAGE_NAME :=
+$(R_file_stamp): PRIVATE_MANIFEST_INSTRUMENTATION_FOR :=
+
+$(R_file_stamp) : $(all_resources) $(full_android_manifest) $(AAPT) $(framework_res_package_export_deps)
+	@echo "target R.java/Manifest.java: $(PRIVATE_MODULE) ($@)"
+	$(create-resource-java-files)
+	$(hide) find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name R.java | xargs cat > $@
+
+$(LOCAL_BUILT_MODULE): $(R_file_stamp)
+ifneq ($(full_classes_jar),)
+$(full_classes_compiled_jar): $(R_file_stamp)
+endif
+
+endif  # $(all_resources) not empty
+
 LOCAL_IS_STATIC_JAVA_LIBRARY :=
+LOCAL_JAR_EXCLUDE_FILES :=
diff --git a/core/tasks/collect_gpl_sources.mk b/core/tasks/collect_gpl_sources.mk
new file mode 100644
index 0000000..3c7afcc
--- /dev/null
+++ b/core/tasks/collect_gpl_sources.mk
@@ -0,0 +1,30 @@
+# Copyright (C) 2011 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+gpl_source_tgz := $(call intermediates-dir-for,PACKAGING,gpl_source,HOST,COMMON)/gpl_source.tgz
+
+$(gpl_source_tgz): PRIVATE_PATHS := $(sort $(patsubst %/, %, $(dir $(ALL_GPL_MODULE_LICENSE_FILES))))
+$(gpl_source_tgz) : $(ALL_GPL_MODULE_LICENSE_FILES)
+	@echo Package gpl sources: $@
+	@rm -rf $(dir $@) && mkdir -p $(dir $@)
+	$(hide) tar cfz $@ --exclude ".git*" $(PRIVATE_PATHS)
+
+
+.PHONY: gpl_source_tgz
+gpl_source_tgz : $(gpl_source_tgz)
+
+# Dist the tgz only if we are doing a full build
+ifeq (,$(TARGET_BUILD_APPS))
+$(call dist-for-goals, droidcore, $(gpl_source_tgz))
+endif
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 45dcd0f..c6b26a4 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -114,29 +114,6 @@
 		libcore/expectations)
 	$(hide) touch $@
 
-
-# ----- Generate the test descriptions for the vm-tests -----
-#  TODO: remove this section once cts-tf replaces cts.
-#
-CORE_VM_TEST_DESC := $(cts_dir)/$(cts_name)/repository/testcases/android.core.vm-tests
-
-VMTESTS_INTERMEDIATES :=$(call intermediates-dir-for,EXECUTABLES,vm-tests,1,)
-# core tests only needed to get hold of junit-framework-classes
-CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core,,COMMON)
-JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
-
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar:$(HOSTTESTLIB_JAR):$(DDMLIB_JAR)
-
-$(CORE_VM_TEST_DESC): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
-# Please see big comment above on why this line depends on javalib.jar instead of classes.jar
-$(CORE_VM_TEST_DESC): vm-tests $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar $(HOSTTESTLIB_JAR) $(DDMLIB_JAR) $(cts_dir)/all_cts_files_stamp | $(ACP)
-	$(call generate-core-test-description,$(CORE_VM_TEST_DESC),\
-		cts/tests/vm-tests/AndroidManifest.xml,\
-		$(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar,"",\
-		libcore/expectations,\
-		cts/tools/vm-tests/Android.mk)
-	$(ACP) -fv $(VMTESTS_INTERMEDIATES)/android.core.vm-tests.jar $(PRIVATE_DIR)/repository/testcases/android.core.vm-tests.jar
-
 # ----- Generate the test descriptions for the vm-tests-tf -----
 #
 CORE_VM_TEST_TF_DESC := $(cts_dir)/$(cts_name)/repository/testcases/android.core.vm-tests-tf
@@ -169,7 +146,7 @@
 # Generate the default test plan for User.
 # Usage: buildCts.py <testRoot> <ctsOutputDir> <tempDir> <androidRootDir> <docletPath>
 
-$(DEFAULT_TEST_PLAN): $(cts_dir)/all_cts_files_stamp $(cts_dir)/all_cts_core_files_stamp $(cts_tools_src_dir)/utils/buildCts.py $(CORE_VM_TEST_TF_DESC) $(CORE_VM_TEST_DESC) $(APP_SECURITY_LIB) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CTS_TEST_XMLS) | $(ACP)
+$(DEFAULT_TEST_PLAN): $(cts_dir)/all_cts_files_stamp $(cts_dir)/all_cts_core_files_stamp $(cts_tools_src_dir)/utils/buildCts.py $(CORE_VM_TEST_TF_DESC) $(APP_SECURITY_LIB) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CTS_TEST_XMLS) | $(ACP)
 	$(hide) $(ACP) -fp $(CTS_TEST_XMLS) $(PRIVATE_DIR)/repository/testcases
 	$(hide) $(cts_tools_src_dir)/utils/buildCts.py cts/tests/tests/ $(PRIVATE_DIR) $(TMP_DIR) \
 		$(TOP) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar
@@ -183,7 +160,7 @@
 $(INTERNAL_CTS_TARGET): PRIVATE_CTS_DIR := $(cts_dir)
 $(INTERNAL_CTS_TARGET): PRIVATE_DIR := $(cts_dir)/$(cts_name)
 $(INTERNAL_CTS_TARGET): TMP_DIR := $(cts_dir)/temp
-$(INTERNAL_CTS_TARGET): $(cts_dir)/all_cts_files_stamp $(DEFAULT_TEST_PLAN) $(CORE_VM_TEST_DESC)
+$(INTERNAL_CTS_TARGET): $(cts_dir)/all_cts_files_stamp $(DEFAULT_TEST_PLAN)
 	$(hide) echo "Package CTS: $@"
 	$(hide) cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME)
 
diff --git a/core/tasks/factory_ramdisk.mk b/core/tasks/factory_ramdisk.mk
new file mode 100644
index 0000000..ecfc4d0
--- /dev/null
+++ b/core/tasks/factory_ramdisk.mk
@@ -0,0 +1,73 @@
+#
+# Copyright (C) 2011 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+ifeq (,$(ONE_SHOT_MAKEFILE))
+
+# PRODUCT_FACTORY_RAMDISK_MODULES consists of "<module_name>:<install_path>[:<install_path>...]" tuples.
+# <install_path> is relative to TARGET_FACTORY_RAMDISK_OUT.
+# We can have multiple <install_path>s because multiple modules may have the same name.
+# For example:
+# PRODUCT_FACTORY_RAMDISK_MODULES := \
+#     toolbox:system/bin/toolbox adbd:sbin/adbd adb:system/bin/adb
+factory_ramdisk_modules := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_FACTORY_RAMDISK_MODULES))
+ifneq (,$(factory_ramdisk_modules))
+
+# A module name may end up in multiple modules (so multiple built files)
+# with the same name.
+# This function selects the module built file based on the install path.
+# $(1): the dest install path
+# $(2): the module built files
+define install-one-factory-ramdisk-module
+$(eval _iofrm_suffix := $(suffix $(1))) \
+$(if $(_iofrm_suffix), \
+    $(eval _iofrm_pattern := %$(_iofrm_suffix)), \
+    $(eval _iofrm_pattern := %$(notdir $(1)))) \
+$(eval _iofrm_src := $(filter $(_iofrm_pattern),$(2))) \
+$(if $(filter 1,$(words $(_iofrm_src))), \
+    $(eval _fulldest := $(TARGET_FACTORY_RAMDISK_OUT)/$(1)) \
+    $(eval $(call copy-one-file,$(_iofrm_src),$(_fulldest))) \
+    $(eval INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES += $(_fulldest)), \
+    $(error Error: Can not find match in "$(2)" for "$(1)") \
+    )
+endef
+
+INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES :=
+$(foreach m, $(factory_ramdisk_modules), \
+    $(eval _fr_m_tuple := $(subst :, ,$(m))) \
+    $(eval _fr_m_name := $(word 1,$(_fr_m_tuple))) \
+    $(eval _fr_dests := $(wordlist 2,999,$(_fr_m_tuple))) \
+    $(eval _fr_m_built := $(filter $(PRODUCT_OUT)/%, $(ALL_MODULES.$(_fr_m_name).BUILT))) \
+    $(foreach d,$(_fr_dests),$(call install-one-factory-ramdisk-module,$(d),$(_fr_m_built))) \
+    )
+endif
+
+# Files may also be installed via PRODUCT_COPY_FILES, PRODUCT_PACKAGES etc.
+INTERNAL_FACTORY_RAMDISK_FILES := $(filter $(TARGET_FACTORY_RAMDISK_OUT)/%, \
+    $(ALL_DEFAULT_INSTALLED_MODULES))
+
+ifneq (,$(INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES)$(INTERNAL_FACTORY_RAMDISK_FILES))
+
+BUILT_FACTORY_RAMDISK_TARGET := $(PRODUCT_OUT)/factory_ramdisk.img
+
+INSTALLED_FACTORY_RAMDISK_TARGET := $(BUILT_FACTORY_RAMDISK_TARGET)
+$(INSTALLED_FACTORY_RAMDISK_TARGET) : $(MKBOOTFS) \
+    $(INTERNAL_FACTORY_RAMDISK_EXTRA_MODULES_FILES) $(INTERNAL_FACTORY_RAMDISK_FILES) | $(MINIGZIP)
+	$(call pretty,"Target factory ram disk: $@")
+	$(hide) $(MKBOOTFS) $(TARGET_FACTORY_RAMDISK_OUT) | $(MINIGZIP) > $@
+
+endif
+
+endif # ONE_SHOT_MAKEFILE
diff --git a/core/tasks/module_owner_check.mk b/core/tasks/module_owner_check.mk
new file mode 100644
index 0000000..453e718
--- /dev/null
+++ b/core/tasks/module_owner_check.mk
@@ -0,0 +1,61 @@
+#
+# Copyright (C) 2011 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Restrict the vendor module owners here.
+
+_vendor_owner_whitelist := \
+	broadcom \
+	csr \
+	imgtec \
+	invensense \
+	nxp \
+	samsung \
+	ti
+
+
+ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RESTRICT_VENDOR_FILES))
+
+ifneq (,$(filter vendor/%, $(PRODUCT_PACKAGE_OVERLAYS) $(DEVICE_PACKAGE_OVERLAYS)))
+$(error Error: Product "$(TARGET_PRODUCT)" can not have overlay in vendor tree: \
+    $(filter vendor/%, $(PRODUCT_PACKAGE_OVERLAYS) $(DEVICE_PACKAGE_OVERLAYS)))
+endif
+ifneq (,$(filter vendor/%, $(PRODUCT_COPY_FILES)))
+$(error Error: Product "$(TARGET_PRODUCT)" can not have PRODUCT_COPY_FILES from vendor tree: \
+    $(filter vendor/%, $(PRODUCT_COPY_FILES)))
+endif
+
+_owner_check_modules := $(sort $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES))
+
+# expand with the required modules
+# $(1) the module name set to expand
+define _expand_required_modules
+$(eval _erm_new_modules:=)\
+$(foreach m, $(1), $(eval r:=$(ALL_MODULES.$(m).REQUIRED))\
+  $(if $(r), $(if $(filter $(_owner_check_modules), $(r)),,\
+    $(eval _owner_check_modules := $(_owner_check_modules) $(r))\
+    $(eval _erm_new_modules := $(_erm_new_modules) $(r)))))\
+$(if $(_erm_new_modules), $(call _expand_required_modules, $(_erm_new_modules)))
+endef
+
+$(call _expand_required_modules, $(_owner_check_modules))
+
+$(foreach m, $(_owner_check_modules), \
+  $(if $(filter vendor/%, $(ALL_MODULES.$(m).PATH)),\
+    $(if $(filter $(_vendor_owner_whitelist), $(ALL_MODULES.$(m).OWNER)),,\
+      $(error Error: vendor module "$(m)" in $(ALL_MODULES.$(m).PATH) with unknown owner \
+        "$(ALL_MODULES.$(m).OWNER)" in product "$(TARGET_PRODUCT)"))))
+
+endif
diff --git a/core/user_tags.mk b/core/user_tags.mk
index 2e7017e..d5aa24d 100644
--- a/core/user_tags.mk
+++ b/core/user_tags.mk
@@ -50,7 +50,6 @@
 	applypatch \
 	app_process \
 	archquery \
-	asm-3.1 \
 	atree \
 	audio \
 	badblocks \
@@ -171,7 +170,6 @@
 	layoutlib_api \
 	layoutlib_create \
 	layoutlib_utils \
-	layoutopt \
 	liba2dp \
 	libabi \
 	libandroid \
@@ -494,7 +492,6 @@
 	traceview \
 	tune2fs \
 	tune2fs_host \
-	uix \
 	usbtest \
 	vdc \
 	vm-tests \
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index bc6f47a..8553982 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 4.0.3.0.2.0.1.0
+  PLATFORM_VERSION := IceCreamSandwichMR2
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -59,7 +59,7 @@
 ifeq "" "$(PLATFORM_VERSION_CODENAME)"
   # This is the current development code-name, if the build is not a final
   # release build.  If this is a final release build, it is simply "REL".
-  PLATFORM_VERSION_CODENAME := AOSP
+  PLATFORM_VERSION_CODENAME := IceCreamSandwichMR2
 endif
 
 ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
diff --git a/envsetup.sh b/envsetup.sh
index bab2d25..9c121f3 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -112,12 +112,13 @@
     # and in with the new
     CODE_REVIEWS=
     prebuiltdir=$(getprebuilt)
+    gccprebuiltdir=$(get_abs_build_var ANDROID_GCC_PREBUILTS)
 
     # The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it.
     export ANDROID_EABI_TOOLCHAIN=
-    toolchaindir=toolchain/arm-linux-androideabi-4.4.x/bin
-    if [ -d "$prebuiltdir/$toolchaindir" ]; then
-        export ANDROID_EABI_TOOLCHAIN=$prebuiltdir/$toolchaindir
+    toolchaindir=arm/arm-linux-androideabi-4.6/bin
+    if [ -d "$gccprebuiltdir/$toolchaindir" ]; then
+        export ANDROID_EABI_TOOLCHAIN=$gccprebuiltdir/$toolchaindir
     fi
 
     export ARM_EABI_TOOLCHAIN=
@@ -146,6 +147,10 @@
     unset ANDROID_HOST_OUT
     export ANDROID_HOST_OUT=$(get_abs_build_var HOST_OUT)
 
+    # needed for processing samples collected by perf counters
+    unset OPROFILE_EVENTS_DIR
+    export OPROFILE_EVENTS_DIR=$T/external/oprofile/events
+
     # needed for building linux on MacOS
     # TODO: fix the path
     #export HOST_EXTRACFLAGS="-I "$T/system/kernel_headers/host_include
@@ -502,8 +507,8 @@
 # Run tapas with one ore more app names (from LOCAL_PACKAGE_NAME)
 function tapas()
 {
-    local variant=$(echo -n $(echo $* | xargs -n 1 echo | grep -E '^(user|userdebug|eng)$'))
-    local apps=$(echo -n $(echo $* | xargs -n 1 echo | grep -E -v '^(user|userdebug|eng)$'))
+    local variant=$(echo -n $(echo $* | xargs -n 1 echo | \grep -E '^(user|userdebug|eng)$'))
+    local apps=$(echo -n $(echo $* | xargs -n 1 echo | \grep -E -v '^(user|userdebug|eng)$'))
 
     if [ $(echo $variant | wc -w) -gt 1 ]; then
         echo "tapas: Error: Multiple build variants supplied: $variant"
@@ -611,12 +616,17 @@
     T=$(gettop)
     if [ "$T" ]; then
         local MAKEFILE=
+        local MODULES=
         local ARGS=
         local DIR TO_CHOP
         local DASH_ARGS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
         local DIRS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
         for DIR in $DIRS ; do
-            DIR=`echo $DIR | sed -e 's:/$::'`
+            MODULES=`echo $DIR | sed -n -e 's/.*:\(.*$\)/\1/p' | sed 's/,/ /'`
+            if [ "$MODULES" = "" ]; then
+                MODULES=all_modules
+            fi
+            DIR=`echo $DIR | sed -e 's/:.*//' -e 's:/$::'`
             if [ -f $DIR/Android.mk ]; then
                 TO_CHOP=`(cd -P -- $T && pwd -P) | wc -c | tr -d ' '`
                 TO_CHOP=`expr $TO_CHOP + 1`
@@ -643,12 +653,23 @@
                 fi
             fi
         done
-        ONE_SHOT_MAKEFILE="$MAKEFILE" make -C $T $DASH_ARGS all_modules $ARGS
+        ONE_SHOT_MAKEFILE="$MAKEFILE" make -C $T $DASH_ARGS $MODULES $ARGS
     else
         echo "Couldn't locate the top of the tree.  Try setting TOP."
     fi
 }
 
+function hmm()
+{
+cat <<EOF
+- m:       Makes from the top of the tree.
+- mm:      Builds all of the modules in the current directory.
+- mmm dir: Same as 'cd dir; mm'
+
+Type 'help' for more commands.
+EOF
+}
+
 function croot()
 {
     T=$(gettop)
@@ -704,6 +725,14 @@
    local OUT_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)
    local OUT_EXE_SYMBOLS=$(get_abs_build_var TARGET_OUT_EXECUTABLES_UNSTRIPPED)
    local PREBUILTS=$(get_abs_build_var ANDROID_PREBUILTS)
+   local ARCH=$(get_build_var TARGET_ARCH)
+   local GDB
+   case "$ARCH" in
+       x86) GDB=i686-android-linux-gdb;;
+       arm) GDB=arm-linux-androideabi-gdb;;
+       *) echo "Unknown arch $ARCH"; return 1;;
+   esac
+
    if [ "$OUT_ROOT" -a "$PREBUILTS" ]; then
        local EXE="$1"
        if [ "$EXE" ] ; then
@@ -744,7 +773,7 @@
        echo >>"$OUT_ROOT/gdbclient.cmds" "target remote $PORT"
        echo >>"$OUT_ROOT/gdbclient.cmds" ""
 
-       arm-linux-androideabi-gdb -x "$OUT_ROOT/gdbclient.cmds" "$OUT_EXE_SYMBOLS/$EXE"
+       $GDB -x "$OUT_ROOT/gdbclient.cmds" "$OUT_EXE_SYMBOLS/$EXE"
   else
        echo "Unable to determine build system output dir."
    fi
@@ -908,7 +937,7 @@
     echo "Running hat on $localFile"
     echo "View the output by pointing your browser at http://localhost:7000/"
     echo ""
-    hat $localFile
+    hat -JXmx512m $localFile
 }
 
 function getbugreports()
@@ -1007,7 +1036,7 @@
         echo ""
     fi
     local lines
-    lines=($(grep "$1" $T/filelist | sed -e 's/\/[^/]*$//' | sort | uniq))
+    lines=($(\grep "$1" $T/filelist | sed -e 's/\/[^/]*$//' | sort | uniq))
     if [[ ${#lines[@]} = 0 ]]; then
         echo "Not found"
         return
diff --git a/libs/host/Android.mk b/libs/host/Android.mk
index d02e4b2..9900f59 100644
--- a/libs/host/Android.mk
+++ b/libs/host/Android.mk
@@ -23,3 +23,5 @@
 
 include $(BUILD_HOST_STATIC_LIBRARY)
 
+# Include toolchain prebuilt modules if they exist.
+-include $(TARGET_TOOLCHAIN_ROOT)/toolchain.mk
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 57e60d3..bc999fa 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -21,6 +21,7 @@
 TARGET_ARCH_VARIANT := armv7-a
 TARGET_CPU_ABI := armeabi-v7a
 TARGET_CPU_ABI2 := armeabi
+ARCH_ARM_HAVE_TLS_REGISTER := true
 
 HAVE_HTC_AUDIO_DRIVER := true
 BOARD_USES_GENERIC_AUDIO := true
diff --git a/target/board/generic_armv5/BoardConfig.mk b/target/board/generic_armv5/BoardConfig.mk
index d8fa2fe..82170f0 100644
--- a/target/board/generic_armv5/BoardConfig.mk
+++ b/target/board/generic_armv5/BoardConfig.mk
@@ -19,5 +19,6 @@
 TARGET_ARCH_VARIANT :=
 TARGET_CPU_ABI := armeabi
 TARGET_CPU_ABI2 :=
+ARCH_ARM_HAVE_TLS_REGISTER := false
 
 WITH_DEXPREOPT := false
diff --git a/target/product/core.mk b/target/product/core.mk
index abb2d9f..e25294b 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -70,6 +70,7 @@
     libOpenMAXAL \
     libOpenSLES \
     libaudiopreprocessing \
+    libaudioutils \
     libcrypto \
     libdvm \
     libexpat \
diff --git a/target/product/sdk.mk b/target/product/sdk.mk
index ceb1898..d2f4c09 100644
--- a/target/product/sdk.mk
+++ b/target/product/sdk.mk
@@ -77,7 +77,6 @@
 	ddms \
 	hierarchyviewer \
 	draw9patch \
-	layoutopt \
 	traceview \
 	android \
 	dexdump \
@@ -95,8 +94,6 @@
 	ddmuilib \
 	draw9patch \
 	hierarchyviewer \
-	layoutopt \
-	uix \
 	traceview \
 	anttasks \
 	sdklib \
diff --git a/tools/adbs b/tools/adbs
index b571d48..dd84a83 100755
--- a/tools/adbs
+++ b/tools/adbs
@@ -144,13 +144,13 @@
       uname = "darwin-ppc"
   elif uname == "Linux":
     uname = "linux-x86"
-  prefix = "./prebuilt/" + uname + "/toolchain/arm-linux-androideabi-4.4.x/bin/"
+  prefix = "./prebuilts/gcc/" + uname + "/arm/arm-linux-androideabi-4.6/bin/"
   addr2line_cmd = prefix + "arm-linux-androideabi-addr2line"
 
   if (not os.path.exists(addr2line_cmd)):
     try:
-      prefix = os.environ['ANDROID_BUILD_TOP'] + "/prebuilt/" + uname + \
-               "/toolchain/arm-linux-androideabi-4.4.x/bin/"
+      prefix = os.environ['ANDROID_BUILD_TOP'] + "/prebuilts/gcc/" + \
+               uname + "/arm/arm-linux-androideabi-4.6/bin/"
     except:
       prefix = "";
 
diff --git a/tools/java-event-log-tags.py b/tools/java-event-log-tags.py
index c63fa20..846d9cf 100755
--- a/tools/java-event-log-tags.py
+++ b/tools/java-event-log-tags.py
@@ -26,6 +26,7 @@
 import cStringIO
 import getopt
 import os
+import os.path
 import re
 import sys
 
@@ -144,4 +145,8 @@
 
 buffer.write("}\n");
 
+output_dir = os.path.dirname(output_file)
+if not os.path.exists(output_dir):
+  os.makedirs(output_dir)
+
 event_log_tags.WriteOutput(output_file, buffer)
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
new file mode 100755
index 0000000..15acddc
--- /dev/null
+++ b/tools/releasetools/build_image.py
@@ -0,0 +1,139 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2011 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Build image output_image_file from input_directory and properties_file.
+
+Usage:  build_image input_directory properties_file output_image_file
+
+"""
+import os
+import subprocess
+import sys
+
+
+def BuildImage(in_dir, prop_dict, out_file):
+  """Build an image to out_file from in_dir with property prop_dict.
+
+  Args:
+    in_dir: path of input directory.
+    prop_dict: property dictionary.
+    out_file: path of the output image file.
+
+  Returns:
+    True iff the image is built successfully.
+  """
+  build_command = []
+  fs_type = prop_dict.get("fs_type", "")
+  if fs_type.startswith("ext"):
+    build_command = ["mkuserimg.sh"]
+    if "extfs_sparse_flag" in prop_dict:
+      build_command.append(prop_dict["extfs_sparse_flag"])
+    build_command.extend([in_dir, out_file, fs_type,
+                          prop_dict["mount_point"]])
+    if "partition_size" in prop_dict:
+      build_command.append(prop_dict["partition_size"])
+  else:
+    build_command = ["mkyaffs2image", "-f"]
+    if prop_dict.get("mkyaffs2_extra_flags", None):
+      build_command.extend(prop_dict["mkyaffs2_extra_flags"].split())
+    build_command.append(in_dir)
+    build_command.append(out_file)
+
+  print "Running: ", " ".join(build_command)
+  p = subprocess.Popen(build_command);
+  p.communicate()
+  return p.returncode == 0
+
+
+def ImagePropFromGlobalDict(glob_dict, mount_point):
+  """Build an image property dictionary from the global dictionary.
+
+  Args:
+    glob_dict: the global dictionary from the build system.
+    mount_point: such as "system", "data" etc.
+  """
+  d = {}
+
+  def copy_prop(src_p, dest_p):
+    if src_p in glob_dict:
+      d[dest_p] = str(glob_dict[src_p])
+
+  common_props = (
+      "extfs_sparse_flag",
+      "mkyaffs2_extra_flags",
+      )
+  for p in common_props:
+    copy_prop(p, p)
+
+  d["mount_point"] = mount_point
+  if mount_point == "system":
+    copy_prop("fs_type", "fs_type")
+    copy_prop("system_size", "partition_size")
+  elif mount_point == "data":
+    copy_prop("fs_type", "fs_type")
+    copy_prop("userdata_size", "partition_size")
+  elif mount_point == "cache":
+    copy_prop("cache_fs_type", "fs_type")
+    copy_prop("cache_size", "partition_size")
+
+  return d
+
+
+def LoadGlobalDict(filename):
+  """Load "name=value" pairs from filename"""
+  d = {}
+  f = open(filename)
+  for line in f:
+    line = line.strip()
+    if not line or line.startswith("#"):
+      continue
+    k, v = line.split("=", 1)
+    d[k] = v
+  f.close()
+  return d
+
+
+def main(argv):
+  if len(argv) != 3:
+    print __doc__
+    sys.exit(1)
+
+  in_dir = argv[0]
+  glob_dict_file = argv[1]
+  out_file = argv[2]
+
+  glob_dict = LoadGlobalDict(glob_dict_file)
+  image_filename = os.path.basename(out_file)
+  mount_point = ""
+  if image_filename == "system.img":
+    mount_point = "system"
+  elif image_filename == "userdata.img":
+    mount_point = "data"
+  elif image_filename == "cache.img":
+    mount_point = "cache"
+  else:
+    print >> sys.stderr, "error: unknown image file name ", image_filename
+    exit(1)
+
+  image_properties = ImagePropFromGlobalDict(glob_dict, mount_point)
+  if not BuildImage(in_dir, image_properties, out_file):
+    print >> sys.stderr, "error: failed to build %s from %s" % (out_file, in_dir)
+    exit(1)
+
+
+if __name__ == '__main__':
+  main(sys.argv[1:])
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 4957354..1049591 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -138,6 +138,7 @@
   makeint("blocksize")
   makeint("system_size")
   makeint("userdata_size")
+  makeint("cache_size")
   makeint("recovery_size")
   makeint("boot_size")
 
diff --git a/tools/releasetools/img_from_target_files b/tools/releasetools/img_from_target_files
index c5b9886..002e6e6 100755
--- a/tools/releasetools/img_from_target_files
+++ b/tools/releasetools/img_from_target_files
@@ -47,6 +47,7 @@
 if not hasattr(os, "SEEK_SET"):
   os.SEEK_SET = 0
 
+import build_image
 import common
 
 OPTIONS = common.OPTIONS
@@ -64,27 +65,13 @@
   os.mkdir(user_dir)
   img = tempfile.NamedTemporaryFile()
 
-  build_command = []
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                    "data")
   fstab = OPTIONS.info_dict["fstab"]
-  if fstab and fstab["/data"].fs_type.startswith("ext"):
-    build_command = ["mkuserimg.sh"]
-    if "extfs_sparse_flag" in OPTIONS.info_dict:
-      build_command.append(OPTIONS.info_dict["extfs_sparse_flag"])
-    build_command.extend([user_dir, img.name,
-                     fstab["/data"].fs_type, "data"])
-    if "userdata_size" in OPTIONS.info_dict:
-      build_command.append(str(OPTIONS.info_dict["userdata_size"]))
-  else:
-    build_command = ["mkyaffs2image", "-f"]
-    extra = OPTIONS.info_dict.get("mkyaffs2_extra_flags", None)
-    if extra:
-      build_command.extend(extra.split())
-    build_command.append(user_dir)
-    build_command.append(img.name)
-
-  p = common.Run(build_command);
-  p.communicate()
-  assert p.returncode == 0, "build userdata.img image failed"
+  if fstab:
+    image_props["fs_type" ] = fstab["/data"].fs_type
+  succ = build_image.BuildImage(user_dir, image_props, img.name)
+  assert succ, "build userdata.img image failed"
 
   common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
   output_zip.write(img.name, "userdata.img")
@@ -93,6 +80,38 @@
   os.rmdir(temp_dir)
 
 
+def AddCache(output_zip):
+  """Create an empty cache image and store it in output_zip."""
+
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                    "cache")
+  # The build system has to explicitly request for cache.img.
+  if "fs_type" not in image_props:
+    return
+
+  print "creating cache.img..."
+
+  # The name of the directory it is making an image out of matters to
+  # mkyaffs2image.  So we create a temp dir, and within it we create an
+  # empty dir named "cache", and build the image from that.
+  temp_dir = tempfile.mkdtemp()
+  user_dir = os.path.join(temp_dir, "cache")
+  os.mkdir(user_dir)
+  img = tempfile.NamedTemporaryFile()
+
+  fstab = OPTIONS.info_dict["fstab"]
+  if fstab:
+    image_props["fs_type" ] = fstab["/cache"].fs_type
+  succ = build_image.BuildImage(user_dir, image_props, img.name)
+  assert succ, "build cache.img image failed"
+
+  common.CheckSize(img.name, "cache.img", OPTIONS.info_dict)
+  output_zip.write(img.name, "cache.img")
+  img.close()
+  os.rmdir(user_dir)
+  os.rmdir(temp_dir)
+
+
 def AddSystem(output_zip):
   """Turn the contents of SYSTEM into a system image and store it in
   output_zip."""
@@ -115,28 +134,14 @@
     if (e.errno == errno.EEXIST):
       pass
 
-  build_command = []
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                    "system")
   fstab = OPTIONS.info_dict["fstab"]
-  if fstab and fstab["/system"].fs_type.startswith("ext"):
-
-    build_command = ["mkuserimg.sh"]
-    if "extfs_sparse_flag" in OPTIONS.info_dict:
-      build_command.append(OPTIONS.info_dict["extfs_sparse_flag"])
-    build_command.extend([os.path.join(OPTIONS.input_tmp, "system"), img.name,
-                     fstab["/system"].fs_type, "system"])
-    if "system_size" in OPTIONS.info_dict:
-      build_command.append(str(OPTIONS.info_dict["system_size"]))
-  else:
-    build_command = ["mkyaffs2image", "-f"]
-    extra = OPTIONS.info_dict.get("mkyaffs2_extra_flags", None)
-    if extra:
-      build_command.extend(extra.split())
-    build_command.append(os.path.join(OPTIONS.input_tmp, "system"))
-    build_command.append(img.name)
-
-  p = common.Run(build_command)
-  p.communicate()
-  assert p.returncode == 0, "build system.img image failed"
+  if fstab:
+    image_props["fs_type" ] = fstab["/system"].fs_type
+  succ = build_image.BuildImage(os.path.join(OPTIONS.input_tmp, "system"),
+                                image_props, img.name)
+  assert succ, "build system.img image failed"
 
   img.seek(os.SEEK_SET, 0)
   data = img.read()
@@ -190,6 +195,7 @@
   if not bootable_only:
     AddSystem(output_zip)
     AddUserdata(output_zip)
+    AddCache(output_zip)
     CopyInfo(output_zip)
 
   print "cleaning up..."
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index bed0333..d4d366d 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -42,12 +42,12 @@
     long posn;
     bool hasDD;
 
-    //LOGV("initFromCDE ---\n");
+    //ALOGV("initFromCDE ---\n");
 
     /* read the CDE */
     result = mCDE.read(fp);
     if (result != NO_ERROR) {
-        LOGD("mCDE.read failed\n");
+        ALOGD("mCDE.read failed\n");
         return result;
     }
 
@@ -56,14 +56,14 @@
     /* using the info in the CDE, go load up the LFH */
     posn = ftell(fp);
     if (fseek(fp, mCDE.mLocalHeaderRelOffset, SEEK_SET) != 0) {
-        LOGD("local header seek failed (%ld)\n",
+        ALOGD("local header seek failed (%ld)\n",
             mCDE.mLocalHeaderRelOffset);
         return UNKNOWN_ERROR;
     }
 
     result = mLFH.read(fp);
     if (result != NO_ERROR) {
-        LOGD("mLFH.read failed\n");
+        ALOGD("mLFH.read failed\n");
         return result;
     }
 
@@ -81,7 +81,7 @@
     hasDD = (mLFH.mGPBitFlag & kUsesDataDescr) != 0;
     if (hasDD) {
         // do something clever
-        //LOGD("+++ has data descriptor\n");
+        //ALOGD("+++ has data descriptor\n");
     }
 
     /*
@@ -90,7 +90,7 @@
      * prefer the CDE values.)
      */
     if (!hasDD && !compareHeaders()) {
-        LOGW("WARNING: header mismatch\n");
+        ALOGW("WARNING: header mismatch\n");
         // keep going?
     }
 
@@ -200,7 +200,7 @@
     if (padding <= 0)
         return INVALID_OPERATION;
 
-    //LOGI("HEY: adding %d pad bytes to existing %d in %s\n",
+    //ALOGI("HEY: adding %d pad bytes to existing %d in %s\n",
     //    padding, mLFH.mExtraFieldLength, mCDE.mFileName);
 
     if (mLFH.mExtraFieldLength > 0) {
@@ -280,50 +280,50 @@
 bool ZipEntry::compareHeaders(void) const
 {
     if (mCDE.mVersionToExtract != mLFH.mVersionToExtract) {
-        LOGV("cmp: VersionToExtract\n");
+        ALOGV("cmp: VersionToExtract\n");
         return false;
     }
     if (mCDE.mGPBitFlag != mLFH.mGPBitFlag) {
-        LOGV("cmp: GPBitFlag\n");
+        ALOGV("cmp: GPBitFlag\n");
         return false;
     }
     if (mCDE.mCompressionMethod != mLFH.mCompressionMethod) {
-        LOGV("cmp: CompressionMethod\n");
+        ALOGV("cmp: CompressionMethod\n");
         return false;
     }
     if (mCDE.mLastModFileTime != mLFH.mLastModFileTime) {
-        LOGV("cmp: LastModFileTime\n");
+        ALOGV("cmp: LastModFileTime\n");
         return false;
     }
     if (mCDE.mLastModFileDate != mLFH.mLastModFileDate) {
-        LOGV("cmp: LastModFileDate\n");
+        ALOGV("cmp: LastModFileDate\n");
         return false;
     }
     if (mCDE.mCRC32 != mLFH.mCRC32) {
-        LOGV("cmp: CRC32\n");
+        ALOGV("cmp: CRC32\n");
         return false;
     }
     if (mCDE.mCompressedSize != mLFH.mCompressedSize) {
-        LOGV("cmp: CompressedSize\n");
+        ALOGV("cmp: CompressedSize\n");
         return false;
     }
     if (mCDE.mUncompressedSize != mLFH.mUncompressedSize) {
-        LOGV("cmp: UncompressedSize\n");
+        ALOGV("cmp: UncompressedSize\n");
         return false;
     }
     if (mCDE.mFileNameLength != mLFH.mFileNameLength) {
-        LOGV("cmp: FileNameLength\n");
+        ALOGV("cmp: FileNameLength\n");
         return false;
     }
 #if 0       // this seems to be used for padding, not real data
     if (mCDE.mExtraFieldLength != mLFH.mExtraFieldLength) {
-        LOGV("cmp: ExtraFieldLength\n");
+        ALOGV("cmp: ExtraFieldLength\n");
         return false;
     }
 #endif
     if (mCDE.mFileName != NULL) {
         if (strcmp((char*) mCDE.mFileName, (char*) mLFH.mFileName) != 0) {
-            LOGV("cmp: FileName\n");
+            ALOGV("cmp: FileName\n");
             return false;
         }
     }
@@ -413,7 +413,7 @@
     }
 
     if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) {
-        LOGD("whoops: didn't find expected signature\n");
+        ALOGD("whoops: didn't find expected signature\n");
         result = UNKNOWN_ERROR;
         goto bail;
     }
@@ -506,17 +506,17 @@
  */
 void ZipEntry::LocalFileHeader::dump(void) const
 {
-    LOGD(" LocalFileHeader contents:\n");
-    LOGD("  versToExt=%u gpBits=0x%04x compression=%u\n",
+    ALOGD(" LocalFileHeader contents:\n");
+    ALOGD("  versToExt=%u gpBits=0x%04x compression=%u\n",
         mVersionToExtract, mGPBitFlag, mCompressionMethod);
-    LOGD("  modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n",
+    ALOGD("  modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n",
         mLastModFileTime, mLastModFileDate, mCRC32);
-    LOGD("  compressedSize=%lu uncompressedSize=%lu\n",
+    ALOGD("  compressedSize=%lu uncompressedSize=%lu\n",
         mCompressedSize, mUncompressedSize);
-    LOGD("  filenameLen=%u extraLen=%u\n",
+    ALOGD("  filenameLen=%u extraLen=%u\n",
         mFileNameLength, mExtraFieldLength);
     if (mFileName != NULL)
-        LOGD("  filename: '%s'\n", mFileName);
+        ALOGD("  filename: '%s'\n", mFileName);
 }
 
 
@@ -549,7 +549,7 @@
     }
 
     if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) {
-        LOGD("Whoops: didn't find expected signature\n");
+        ALOGD("Whoops: didn't find expected signature\n");
         result = UNKNOWN_ERROR;
         goto bail;
     }
@@ -675,22 +675,22 @@
  */
 void ZipEntry::CentralDirEntry::dump(void) const
 {
-    LOGD(" CentralDirEntry contents:\n");
-    LOGD("  versMadeBy=%u versToExt=%u gpBits=0x%04x compression=%u\n",
+    ALOGD(" CentralDirEntry contents:\n");
+    ALOGD("  versMadeBy=%u versToExt=%u gpBits=0x%04x compression=%u\n",
         mVersionMadeBy, mVersionToExtract, mGPBitFlag, mCompressionMethod);
-    LOGD("  modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n",
+    ALOGD("  modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n",
         mLastModFileTime, mLastModFileDate, mCRC32);
-    LOGD("  compressedSize=%lu uncompressedSize=%lu\n",
+    ALOGD("  compressedSize=%lu uncompressedSize=%lu\n",
         mCompressedSize, mUncompressedSize);
-    LOGD("  filenameLen=%u extraLen=%u commentLen=%u\n",
+    ALOGD("  filenameLen=%u extraLen=%u commentLen=%u\n",
         mFileNameLength, mExtraFieldLength, mFileCommentLength);
-    LOGD("  diskNumStart=%u intAttr=0x%04x extAttr=0x%08lx relOffset=%lu\n",
+    ALOGD("  diskNumStart=%u intAttr=0x%04x extAttr=0x%08lx relOffset=%lu\n",
         mDiskNumberStart, mInternalAttrs, mExternalAttrs,
         mLocalHeaderRelOffset);
 
     if (mFileName != NULL)
-        LOGD("  filename: '%s'\n", mFileName);
+        ALOGD("  filename: '%s'\n", mFileName);
     if (mFileComment != NULL)
-        LOGD("  comment: '%s'\n", mFileComment);
+        ALOGD("  comment: '%s'\n", mFileComment);
 }
 
diff --git a/tools/zipalign/ZipFile.cpp b/tools/zipalign/ZipFile.cpp
index 62c9383..0705be3 100644
--- a/tools/zipalign/ZipFile.cpp
+++ b/tools/zipalign/ZipFile.cpp
@@ -78,7 +78,7 @@
         newArchive = (access(zipFileName, F_OK) != 0);
         if (!(flags & kOpenCreate) && newArchive) {
             /* not creating, must already exist */
-            LOGD("File %s does not exist", zipFileName);
+            ALOGD("File %s does not exist", zipFileName);
             return NAME_NOT_FOUND;
         }
     }
@@ -96,7 +96,7 @@
     mZipFp = fopen(zipFileName, openflags);
     if (mZipFp == NULL) {
         int err = errno;
-        LOGD("fopen failed: %d\n", err);
+        ALOGD("fopen failed: %d\n", err);
         return errnoToStatus(err);
     }
 
@@ -215,14 +215,14 @@
 
     /* too small to be a ZIP archive? */
     if (fileLength < EndOfCentralDir::kEOCDLen) {
-        LOGD("Length is %ld -- too small\n", (long)fileLength);
+        ALOGD("Length is %ld -- too small\n", (long)fileLength);
         result = INVALID_OPERATION;
         goto bail;
     }
 
     buf = new unsigned char[EndOfCentralDir::kMaxEOCDSearch];
     if (buf == NULL) {
-        LOGD("Failure allocating %d bytes for EOCD search",
+        ALOGD("Failure allocating %d bytes for EOCD search",
              EndOfCentralDir::kMaxEOCDSearch);
         result = NO_MEMORY;
         goto bail;
@@ -236,14 +236,14 @@
         readAmount = (long) fileLength;
     }
     if (fseek(mZipFp, seekStart, SEEK_SET) != 0) {
-        LOGD("Failure seeking to end of zip at %ld", (long) seekStart);
+        ALOGD("Failure seeking to end of zip at %ld", (long) seekStart);
         result = UNKNOWN_ERROR;
         goto bail;
     }
 
     /* read the last part of the file into the buffer */
     if (fread(buf, 1, readAmount, mZipFp) != (size_t) readAmount) {
-        LOGD("short file? wanted %ld\n", readAmount);
+        ALOGD("short file? wanted %ld\n", readAmount);
         result = UNKNOWN_ERROR;
         goto bail;
     }
@@ -253,12 +253,12 @@
         if (buf[i] == 0x50 &&
             ZipEntry::getLongLE(&buf[i]) == EndOfCentralDir::kSignature)
         {
-            LOGV("+++ Found EOCD at buf+%d\n", i);
+            ALOGV("+++ Found EOCD at buf+%d\n", i);
             break;
         }
     }
     if (i < 0) {
-        LOGD("EOCD not found, not Zip\n");
+        ALOGD("EOCD not found, not Zip\n");
         result = INVALID_OPERATION;
         goto bail;
     }
@@ -266,7 +266,7 @@
     /* extract eocd values */
     result = mEOCD.readBuf(buf + i, readAmount - i);
     if (result != NO_ERROR) {
-        LOGD("Failure reading %ld bytes of EOCD values", readAmount - i);
+        ALOGD("Failure reading %ld bytes of EOCD values", readAmount - i);
         goto bail;
     }
     //mEOCD.dump();
@@ -274,7 +274,7 @@
     if (mEOCD.mDiskNumber != 0 || mEOCD.mDiskWithCentralDir != 0 ||
         mEOCD.mNumEntries != mEOCD.mTotalNumEntries)
     {
-        LOGD("Archive spanning not supported\n");
+        ALOGD("Archive spanning not supported\n");
         result = INVALID_OPERATION;
         goto bail;
     }
@@ -294,7 +294,7 @@
      * we're hoping to preserve.
      */
     if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) {
-        LOGD("Failure seeking to central dir offset %ld\n",
+        ALOGD("Failure seeking to central dir offset %ld\n",
              mEOCD.mCentralDirOffset);
         result = UNKNOWN_ERROR;
         goto bail;
@@ -303,14 +303,14 @@
     /*
      * Loop through and read the central dir entries.
      */
-    LOGV("Scanning %d entries...\n", mEOCD.mTotalNumEntries);
+    ALOGV("Scanning %d entries...\n", mEOCD.mTotalNumEntries);
     int entry;
     for (entry = 0; entry < mEOCD.mTotalNumEntries; entry++) {
         ZipEntry* pEntry = new ZipEntry;
 
         result = pEntry->initFromCDE(mZipFp);
         if (result != NO_ERROR) {
-            LOGD("initFromCDE failed\n");
+            ALOGD("initFromCDE failed\n");
             delete pEntry;
             goto bail;
         }
@@ -325,16 +325,16 @@
     {
         unsigned char checkBuf[4];
         if (fread(checkBuf, 1, 4, mZipFp) != 4) {
-            LOGD("EOCD check read failed\n");
+            ALOGD("EOCD check read failed\n");
             result = INVALID_OPERATION;
             goto bail;
         }
         if (ZipEntry::getLongLE(checkBuf) != EndOfCentralDir::kSignature) {
-            LOGD("EOCD read check failed\n");
+            ALOGD("EOCD read check failed\n");
             result = UNKNOWN_ERROR;
             goto bail;
         }
-        LOGV("+++ EOCD read check passed\n");
+        ALOGV("+++ EOCD read check passed\n");
     }
 
 bail:
@@ -416,7 +416,7 @@
             bool failed = false;
             result = compressFpToFp(mZipFp, inputFp, data, size, &crc);
             if (result != NO_ERROR) {
-                LOGD("compression failed, storing\n");
+                ALOGD("compression failed, storing\n");
                 failed = true;
             } else {
                 /*
@@ -427,7 +427,7 @@
                 long src = inputFp ? ftell(inputFp) : size;
                 long dst = ftell(mZipFp) - startPosn;
                 if (dst + (dst / 10) > src) {
-                    LOGD("insufficient compression (src=%ld dst=%ld), storing\n",
+                    ALOGD("insufficient compression (src=%ld dst=%ld), storing\n",
                         src, dst);
                     failed = true;
                 }
@@ -449,7 +449,7 @@
             }
             if (result != NO_ERROR) {
                 // don't need to truncate; happens in CDE rewrite
-                LOGD("failed copying data in\n");
+                ALOGD("failed copying data in\n");
                 goto bail;
             }
         }
@@ -468,14 +468,14 @@
         scanResult = ZipUtils::examineGzip(inputFp, &method, &uncompressedLen,
                         &compressedLen, &crc);
         if (!scanResult || method != ZipEntry::kCompressDeflated) {
-            LOGD("this isn't a deflated gzip file?");
+            ALOGD("this isn't a deflated gzip file?");
             result = UNKNOWN_ERROR;
             goto bail;
         }
 
         result = copyPartialFpToFp(mZipFp, inputFp, compressedLen, NULL);
         if (result != NO_ERROR) {
-            LOGD("failed copying gzip data in\n");
+            ALOGD("failed copying gzip data in\n");
             goto bail;
         }
     } else {
@@ -603,7 +603,7 @@
     if (copyPartialFpToFp(mZipFp, pSourceZip->mZipFp, copyLen, NULL)
         != NO_ERROR)
     {
-        LOGW("copy of '%s' failed\n", pEntry->mCDE.mFileName);
+        ALOGW("copy of '%s' failed\n", pEntry->mCDE.mFileName);
         result = UNKNOWN_ERROR;
         goto bail;
     }
@@ -660,7 +660,7 @@
         *pCRC32 = crc32(*pCRC32, tmpBuf, count);
 
         if (fwrite(tmpBuf, 1, count, dstFp) != count) {
-            LOGD("fwrite %d bytes failed\n", (int) count);
+            ALOGD("fwrite %d bytes failed\n", (int) count);
             return UNKNOWN_ERROR;
         }
     }
@@ -682,7 +682,7 @@
     if (size > 0) {
         *pCRC32 = crc32(*pCRC32, (const unsigned char*)data, size);
         if (fwrite(data, 1, size, dstFp) != size) {
-            LOGD("fwrite %d bytes failed\n", (int) size);
+            ALOGD("fwrite %d bytes failed\n", (int) size);
             return UNKNOWN_ERROR;
         }
     }
@@ -716,7 +716,7 @@
 
         count = fread(tmpBuf, 1, readSize, srcFp);
         if ((long) count != readSize) {     // error or unexpected EOF
-            LOGD("fread %d bytes failed\n", (int) readSize);
+            ALOGD("fread %d bytes failed\n", (int) readSize);
             return UNKNOWN_ERROR;
         }
 
@@ -724,7 +724,7 @@
             *pCRC32 = crc32(*pCRC32, tmpBuf, count);
 
         if (fwrite(tmpBuf, 1, count, dstFp) != count) {
-            LOGD("fwrite %d bytes failed\n", (int) count);
+            ALOGD("fwrite %d bytes failed\n", (int) count);
             return UNKNOWN_ERROR;
         }
 
@@ -780,10 +780,10 @@
     if (zerr != Z_OK) {
         result = UNKNOWN_ERROR;
         if (zerr == Z_VERSION_ERROR) {
-            LOGE("Installed zlib is not compatible with linked version (%s)\n",
+            ALOGE("Installed zlib is not compatible with linked version (%s)\n",
                 ZLIB_VERSION);
         } else {
-            LOGD("Call to deflateInit2 failed (zerr=%d)\n", zerr);
+            ALOGD("Call to deflateInit2 failed (zerr=%d)\n", zerr);
         }
         goto bail;
     }
@@ -799,7 +799,7 @@
 
         /* only read if the input buffer is empty */
         if (zstream.avail_in == 0 && !atEof) {
-            LOGV("+++ reading %d bytes\n", (int)kBufSize);
+            ALOGV("+++ reading %d bytes\n", (int)kBufSize);
             if (data) {
                 getSize = size > kBufSize ? kBufSize : size;
                 memcpy(inBuf, data, getSize);
@@ -808,12 +808,12 @@
             } else {
                 getSize = fread(inBuf, 1, kBufSize, srcFp);
                 if (ferror(srcFp)) {
-                    LOGD("deflate read failed (errno=%d)\n", errno);
+                    ALOGD("deflate read failed (errno=%d)\n", errno);
                     goto z_bail;
                 }
             }
             if (getSize < kBufSize) {
-                LOGV("+++  got %d bytes, EOF reached\n",
+                ALOGV("+++  got %d bytes, EOF reached\n",
                     (int)getSize);
                 atEof = true;
             }
@@ -831,7 +831,7 @@
 
         zerr = deflate(&zstream, flush);
         if (zerr != Z_OK && zerr != Z_STREAM_END) {
-            LOGD("zlib deflate call failed (zerr=%d)\n", zerr);
+            ALOGD("zlib deflate call failed (zerr=%d)\n", zerr);
             result = UNKNOWN_ERROR;
             goto z_bail;
         }
@@ -840,11 +840,11 @@
         if (zstream.avail_out == 0 ||
             (zerr == Z_STREAM_END && zstream.avail_out != (uInt) kBufSize))
         {
-            LOGV("+++ writing %d bytes\n", (int) (zstream.next_out - outBuf));
+            ALOGV("+++ writing %d bytes\n", (int) (zstream.next_out - outBuf));
             if (fwrite(outBuf, 1, zstream.next_out - outBuf, dstFp) !=
                 (size_t)(zstream.next_out - outBuf))
             {
-                LOGD("write %d failed in deflate\n",
+                ALOGD("write %d failed in deflate\n",
                     (int) (zstream.next_out - outBuf));
                 goto z_bail;
             }
@@ -931,7 +931,7 @@
      * of wasted space at the end of the file.  Remove it now.
      */
     if (ftruncate(fileno(mZipFp), ftell(mZipFp)) != 0) {
-        LOGW("ftruncate failed %ld: %s\n", ftell(mZipFp), strerror(errno));
+        ALOGW("ftruncate failed %ld: %s\n", ftell(mZipFp), strerror(errno));
         // not fatal
     }
 
@@ -1019,7 +1019,7 @@
                         pEntry->getLFHOffset(), span);
             if (result != NO_ERROR) {
                 /* this is why you use a temp file */
-                LOGE("error during crunch - archive is toast\n");
+                ALOGE("error during crunch - archive is toast\n");
                 return result;
             }
 
@@ -1061,23 +1061,23 @@
                 getSize = n;
 
             if (fseek(fp, (long) src, SEEK_SET) != 0) {
-                LOGD("filemove src seek %ld failed\n", (long) src);
+                ALOGD("filemove src seek %ld failed\n", (long) src);
                 return UNKNOWN_ERROR;
             }
 
             if (fread(readBuf, 1, getSize, fp) != getSize) {
-                LOGD("filemove read %ld off=%ld failed\n",
+                ALOGD("filemove read %ld off=%ld failed\n",
                     (long) getSize, (long) src);
                 return UNKNOWN_ERROR;
             }
 
             if (fseek(fp, (long) dst, SEEK_SET) != 0) {
-                LOGD("filemove dst seek %ld failed\n", (long) dst);
+                ALOGD("filemove dst seek %ld failed\n", (long) dst);
                 return UNKNOWN_ERROR;
             }
 
             if (fwrite(readBuf, 1, getSize, fp) != getSize) {
-                LOGD("filemove write %ld off=%ld failed\n",
+                ALOGD("filemove write %ld off=%ld failed\n",
                     (long) getSize, (long) dst);
                 return UNKNOWN_ERROR;
             }
@@ -1104,7 +1104,7 @@
     struct stat sb;
 
     if (fstat(fd, &sb) < 0) {
-        LOGD("HEY: fstat on fd %d failed\n", fd);
+        ALOGD("HEY: fstat on fd %d failed\n", fd);
         return (time_t) -1;
     }
 
@@ -1129,7 +1129,7 @@
     int fd;
     fd = dup(fileno(mZipFp));
     if (fd < 0) {
-        LOGD("didn't work, errno=%d\n", errno);
+        ALOGD("didn't work, errno=%d\n", errno);
     }
 
     return fd;
@@ -1224,7 +1224,7 @@
 
     if (len < kEOCDLen) {
         /* looks like ZIP file got truncated */
-        LOGD(" Zip EOCD: expected >= %d bytes, found %d\n",
+        ALOGD(" Zip EOCD: expected >= %d bytes, found %d\n",
             kEOCDLen, len);
         return INVALID_OPERATION;
     }
@@ -1245,7 +1245,7 @@
 
     if (mCommentLen > 0) {
         if (kEOCDLen + mCommentLen > len) {
-            LOGD("EOCD(%d) + comment(%d) exceeds len (%d)\n",
+            ALOGD("EOCD(%d) + comment(%d) exceeds len (%d)\n",
                 kEOCDLen, mCommentLen, len);
             return UNKNOWN_ERROR;
         }
@@ -1288,10 +1288,10 @@
  */
 void ZipFile::EndOfCentralDir::dump(void) const
 {
-    LOGD(" EndOfCentralDir contents:\n");
-    LOGD("  diskNum=%u diskWCD=%u numEnt=%u totalNumEnt=%u\n",
+    ALOGD(" EndOfCentralDir contents:\n");
+    ALOGD("  diskNum=%u diskWCD=%u numEnt=%u totalNumEnt=%u\n",
         mDiskNumber, mDiskWithCentralDir, mNumEntries, mTotalNumEntries);
-    LOGD("  centDirSize=%lu centDirOff=%lu commentLen=%u\n",
+    ALOGD("  centDirSize=%lu centDirOff=%lu commentLen=%u\n",
         mCentralDirSize, mCentralDirOffset, mCommentLen);
 }