Merge "Tweak sgrep to add cc and aidl files." into lmp-dev
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 4e90c90..3918fce 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -283,6 +283,12 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
 
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system)
+
+# Adding dalvik.vm.dex2oat-filter
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index 36d53e1..7b3dfe4 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -219,8 +219,6 @@
 			TARGET_CPU_ABI_LIST_64_BIT="$(TARGET_CPU_ABI_LIST_64_BIT)" \
 			TARGET_CPU_ABI="$(TARGET_CPU_ABI)" \
 			TARGET_CPU_ABI2="$(TARGET_CPU_ABI2)" \
-			TARGET_2ND_CPU_ABI="$(TARGET_2ND_CPU_ABI)" \
-			TARGET_2ND_CPU_ABI2="$(TARGET_2ND_CPU_ABI2)" \
 			TARGET_AAPT_CHARACTERISTICS="$(TARGET_AAPT_CHARACTERISTICS)" \
 	        bash $(BUILDINFO_SH) >> $@
 	$(hide) $(foreach file,$(system_prop_file), \
@@ -942,7 +940,11 @@
       skip_fsck=true)
   $(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH \
       ./build/tools/releasetools/build_image.py \
-      $(TARGET_OUT) $(systemimage_intermediates)/system_image_info.txt $(1)
+      $(TARGET_OUT) $(systemimage_intermediates)/system_image_info.txt $(1) \
+      || ( echo "Out of space? the tree size of $(TARGET_OUT) is (MB): " 1>&2 ;\
+           du -sm $(TARGET_OUT) 1>&2;\
+           echo "The max is $$(( $(BOARD_SYSTEMIMAGE_PARTITION_SIZE) / 1048576 )) MB." 1>&2 ;\
+           exit 1 )
 endef
 
 $(BUILT_SYSTEMIMAGE): $(FULL_SYSTEMIMAGE_DEPS) $(INSTALLED_FILES_FILE)
@@ -1415,6 +1417,7 @@
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="BOOT/RAMDISK/" } /^BOOT\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/boot_filesystem_config.txt
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="RECOVERY/RAMDISK/" } /^RECOVERY\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/recovery_filesystem_config.txt
 	$(hide) (cd $(zip_root) && zip -q ../$(notdir $@) META/*filesystem_config.txt)
+	$(hide) ./build/tools/releasetools/add_img_to_target_files $@
 
 .PHONY: target-files-package
 target-files-package: $(BUILT_TARGET_FILES_PACKAGE)
@@ -1644,6 +1647,8 @@
 sdk_atree_files += $(atree_dir)/sdk.atree
 endif
 
+include $(BUILD_SYSTEM)/sdk_font.mk
+
 deps := \
 	$(target_notice_file_txt) \
 	$(tools_notice_file_txt) \
@@ -1657,7 +1662,8 @@
 	$(ATREE_FILES) \
 	$(sdk_atree_files) \
 	$(HOST_OUT_EXECUTABLES)/atree \
-	$(HOST_OUT_EXECUTABLES)/line_endings
+	$(HOST_OUT_EXECUTABLES)/line_endings \
+	$(SDK_FONT_DEPS)
 
 INTERNAL_SDK_TARGET := $(sdk_dir)/$(sdk_name).zip
 $(INTERNAL_SDK_TARGET): PRIVATE_NAME := $(sdk_name)
@@ -1665,10 +1671,6 @@
 $(INTERNAL_SDK_TARGET): PRIVATE_DEP_FILE := $(sdk_dep_file)
 $(INTERNAL_SDK_TARGET): PRIVATE_INPUT_FILES := $(sdk_atree_files)
 
-sdk_font_temp_dir := $(call intermediates-dir-for,PACKAGING,sdk-fonts)
-sdk_font_input_list := frameworks/base/data/fonts external/noto-fonts external/google-fonts external/naver-fonts
-sdk_font_rename_script := frameworks/base/tools/layoutlib/rename_font/build_font.py
-
 # Set SDK_GNU_ERROR to non-empty to fail when a GNU target is built.
 #
 #SDK_GNU_ERROR := true
@@ -1684,9 +1686,7 @@
 	  fi; \
 	done; \
 	if [ $$FAIL ]; then exit 1; fi
-	$(hide) mkdir -p $(sdk_font_temp_dir)
-	$(hide) PYTHONPATH=$$PYTHONPATH:external/fonttools/Lib $(sdk_font_rename_script) $(sdk_font_input_list) \
-	        $(sdk_font_temp_dir)
+	$(hide) echo $(notdir $(SDK_FONT_DEPS)) | tr " " "\n"  > $(SDK_FONT_TEMP)/fontsInSdk.txt
 	$(hide) ( \
 		ATREE_STRIP="strip -x" \
 		$(HOST_OUT_EXECUTABLES)/atree \
@@ -1702,7 +1702,7 @@
 			-v "TARGET_ARCH=$(TARGET_ARCH)" \
 			-v "TARGET_CPU_ABI=$(TARGET_CPU_ABI)" \
 			-v "DLL_EXTENSION=$(HOST_SHLIB_SUFFIX)" \
-			-v "FONT_OUT=$(sdk_font_temp_dir)" \
+			-v "FONT_OUT=$(SDK_FONT_TEMP)" \
 			-o $(PRIVATE_DIR) && \
 		cp -f $(target_notice_file_txt) \
 				$(PRIVATE_DIR)/system-images/android-$(PLATFORM_VERSION)/$(TARGET_CPU_ABI)/NOTICE.txt && \
diff --git a/core/binary.mk b/core/binary.mk
index f5dac69..6ba6bec 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -113,6 +113,17 @@
 my_c_includes := $(LOCAL_C_INCLUDES)
 my_generated_sources := $(LOCAL_GENERATED_SOURCES)
 
+# MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because
+# all code is position independent, and then those warnings get promoted to
+# errors.
+ifeq ($(strip $(USE_MINGW)),)
+ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
+my_cflags += -fpie
+else
+my_cflags += -fPIC
+endif
+endif
+
 my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
 my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SHARED_LIBRARIES_$(my_32_64_bit_suffix))
 my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
@@ -316,6 +327,7 @@
 endif
 endif
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(my_cxx)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLANG := $(my_clang)
 
 # TODO: support a mix of standard extensions so that this isn't necessary
 LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION))
diff --git a/core/clang/TARGET_mips.mk b/core/clang/TARGET_mips.mk
index e70e254..0107519 100644
--- a/core/clang/TARGET_mips.mk
+++ b/core/clang/TARGET_mips.mk
@@ -3,7 +3,7 @@
 
 CLANG_CONFIG_mips_TARGET_TRIPLE := mipsel-linux-android
 CLANG_CONFIG_mips_TARGET_TOOLCHAIN_PREFIX := \
-  $($(clang_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/$(CLANG_CONFIG_mips_TARGET_TRIPLE)/bin
+  $($(clang_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/mips64el-linux-android/bin
 
 CLANG_CONFIG_mips_TARGET_EXTRA_ASFLAGS := \
   $(CLANG_CONFIG_EXTRA_ASFLAGS) \
@@ -43,7 +43,7 @@
   $(CLANG_CONFIG_mips_TARGET_EXTRA_CFLAGS)
 
 $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_CPPFLAGS := \
-  $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$(clang_2nd_arch_prefix)$(TARGET_GLOBAL_CPPFLAGS)) \
+  $(call $(clang_2nd_arch_prefix)convert-to-clang-flags,$($(clang_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS)) \
   $(CLANG_CONFIG_mips_TARGET_EXTRA_CPPFLAGS)
 
 $(clang_2nd_arch_prefix)CLANG_TARGET_GLOBAL_LDFLAGS := \
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 1de46f0..c1625f2 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -17,6 +17,17 @@
 CLANG_TBLGEN := $(HOST_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 LLVM_TBLGEN := $(HOST_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 
+# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
+ifdef CC_WRAPPER
+  ifneq ($(CC_WRAPPER),$(firstword $(CLANG)))
+    CLANG := $(CC_WRAPPER) $(CLANG)
+  endif
+endif
+ifdef CXX_WRAPPER
+  ifneq ($(CXX_WRAPPER),$(firstword $(CLANG_CXX)))
+    CLANG_CXX := $(CXX_WRAPPER) $(CLANG_CXX)
+  endif
+endif
 
 # Clang flags for all host or target rules
 CLANG_CONFIG_EXTRA_ASFLAGS :=
diff --git a/core/clang/mips.mk b/core/clang/mips.mk
index cef7823..1624b6f 100644
--- a/core/clang/mips.mk
+++ b/core/clang/mips.mk
@@ -7,18 +7,18 @@
 # Include common unknown flags
 CLANG_CONFIG_mips_UNKNOWN_CFLAGS := \
   $(CLANG_CONFIG_UNKNOWN_CFLAGS) \
-  -EL \
   -mips32 \
   -mips32r2 \
-  -mhard-float \
+  -mips32r6 \
+  -mfp32 \
+  -mfp64 \
+  -mfpxx \
+  -modd-spreg \
+  -mno-odd-spreg \
   -fno-strict-volatile-bitfields \
   -fgcse-after-reload \
   -frerun-cse-after-loop \
   -frename-registers \
-  -march=mips32r2 \
-  -mtune=mips32r2 \
-  -march=mips32 \
-  -mtune=mips32 \
   -msynci \
   -mno-fused-madd
 
diff --git a/core/clang/mips64.mk b/core/clang/mips64.mk
index 9d1117b..a76aa08 100644
--- a/core/clang/mips64.mk
+++ b/core/clang/mips64.mk
@@ -1,7 +1,5 @@
 # Clang flags for mips64 arch, target or host.
 
-$(warning Untested mips64 clang flags, fix me!)
-
 CLANG_CONFIG_mips64_EXTRA_ASFLAGS :=
 CLANG_CONFIG_mips64_EXTRA_CFLAGS :=
 CLANG_CONFIG_mips64_EXTRA_LDFLAGS :=
@@ -9,18 +7,11 @@
 # Include common unknown flags
 CLANG_CONFIG_mips64_UNKNOWN_CFLAGS := \
   $(CLANG_CONFIG_UNKNOWN_CFLAGS) \
-  -EL \
-  -mips32 \
-  -mips32r2 \
-  -mhard-float \
+  -mips64r6 \
   -fno-strict-volatile-bitfields \
   -fgcse-after-reload \
   -frerun-cse-after-loop \
   -frename-registers \
-  -march=mips32r2 \
-  -mtune=mips32r2 \
-  -march=mips32 \
-  -mtune=mips32 \
   -msynci \
   -mno-fused-madd
 
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index d11aaa8..df81cd5 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -95,7 +95,7 @@
 android_config_h := $(call select-android-config-h,linux-arm)
 
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
-			-msoft-float -fpic -fPIE \
+			-msoft-float \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -165,8 +165,6 @@
         $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-libgcc-file-name)
 $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) \
         $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a)
-target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
-        -print-file-name=libgcov.a)
 endif
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
@@ -198,7 +196,7 @@
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
-	-shared \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -209,7 +207,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -221,7 +218,7 @@
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
+$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
 	-Wl,-dynamic-linker,/system/bin/linker \
 	-Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
@@ -236,7 +233,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -263,7 +259,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index f43b1a0..07d3984 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -73,7 +73,6 @@
 android_config_h := $(call select-android-config-h,linux-arm64)
 
 TARGET_GLOBAL_CFLAGS += \
-			-fpic -fPIE \
 			-fstack-protector \
 			-ffunction-sections \
 			-fdata-sections \
@@ -163,7 +162,7 @@
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
-	-shared \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -174,7 +173,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -186,7 +184,7 @@
 endef
 
 define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
+$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
 	-Wl,-dynamic-linker,/system/bin/linker64 \
 	-Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
@@ -201,7 +199,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -228,7 +225,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index 96ec210..995e63c 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -38,7 +38,7 @@
 $(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
 else
 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -53,8 +53,8 @@
 
 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
 ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
-$(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mipsel-linux-android-$($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)
-$(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/mipsel-linux-android-
+$(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-android-$($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)
+$(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android-
 endif
 
 $(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
@@ -84,7 +84,6 @@
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
 			$(TARGET_mips_CFLAGS) \
 			-U__unix -U__unix__ -Umips \
-			-fpic -fPIE\
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -97,24 +96,6 @@
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
 
-# This warning causes dalvik not to build with gcc 4.6+ and -Werror.
-# We cannot turn it off blindly since the option is not available
-# in gcc-4.4.x.
-ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8, $($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)),)
-$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \
-                        -fno-strict-volatile-bitfields
-endif
-
-# This is to avoid the dreaded warning compiler message:
-#   note: the mangling of 'va_list' has changed in GCC 4.4
-#
-# The fact that the mangling changed does not affect the NDK ABI
-# very fortunately (since none of the exposed APIs used va_list
-# in their exported C++ functions). Also, GCC 4.5 has already
-# removed the warning from the compiler.
-#
-$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -Wno-psabi
-
 ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
 endif
@@ -156,8 +137,6 @@
 ifneq ($(LIBGCC_EH),libgcc_eh.a)
   $(combo_2nd_arch_prefix)TARGET_LIBGCC += $(LIBGCC_EH)
 endif
-target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
-        --print-file-name=libgcov.a)
 endif
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
@@ -189,7 +168,7 @@
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
-	-shared \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -200,7 +179,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -212,7 +190,7 @@
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
+$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
 	-Wl,-dynamic-linker,/system/bin/linker \
 	-Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
@@ -227,7 +205,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -254,7 +231,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index 6dd3280..938b11c 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -38,7 +38,7 @@
 TARGET_NDK_GCC_VERSION := 4.8
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-TARGET_GCC_VERSION := 4.8
+TARGET_GCC_VERSION := 4.9
 else
 TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -48,9 +48,6 @@
 $(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT))
 endif
 
-# TODO: Enable Clang when its mips64 prebuilt is added
-WITHOUT_TARGET_CLANG := true
-
 include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
 include $(BUILD_SYSTEM)/combo/fdo.mk
 
@@ -87,7 +84,6 @@
 TARGET_GLOBAL_CFLAGS += \
 			$(TARGET_mips_CFLAGS) \
 			-U__unix -U__unix__ -Umips \
-			-fpic -fPIE\
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -100,24 +96,6 @@
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
 
-# This warning causes dalvik not to build with gcc 4.6+ and -Werror.
-# We cannot turn it off blindly since the option is not available
-# in gcc-4.4.x.
-ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8, $(TARGET_GCC_VERSION)),)
-TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \
-                        -fno-strict-volatile-bitfields
-endif
-
-# This is to avoid the dreaded warning compiler message:
-#   note: the mangling of 'va_list' has changed in GCC 4.4
-#
-# The fact that the mangling changed does not affect the NDK ABI
-# very fortunately (since none of the exposed APIs used va_list
-# in their exported C++ functions). Also, GCC 4.5 has already
-# removed the warning from the compiler.
-#
-TARGET_GLOBAL_CFLAGS += -Wno-psabi
-
 ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
 TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
 endif
@@ -160,8 +138,6 @@
 ifneq ($(LIBGCC_EH),libgcc_eh.a)
   TARGET_LIBGCC += $(LIBGCC_EH)
 endif
-target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
-        --print-file-name=libgcov.a)
 endif
 
 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
@@ -196,7 +172,7 @@
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
-	-shared \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -207,7 +183,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -219,7 +194,7 @@
 endef
 
 define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
+$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
 	-Wl,-dynamic-linker,/system/bin/linker64 \
 	-Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
@@ -234,7 +209,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
@@ -261,7 +235,6 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 18331d5..0bb218f 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -62,8 +62,6 @@
 	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a)
 $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \
 	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libatomic.a)
-target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
-	-print-file-name=libgcov.a)
 endif
 
 $(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
@@ -154,7 +152,7 @@
 $(hide) $(PRIVATE_CXX) \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	 -nostdlib -Wl,-soname,$(notdir $@) \
-	 -shared \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -165,7 +163,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -180,7 +177,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	-nostdlib -Bdynamic \
 	-Wl,-z,nocopyreloc \
-	-fPIE -pie \
+	-pie \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
@@ -192,7 +189,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -216,7 +212,6 @@
 	-Wl,--no-whole-archive \
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index 4482a17..14fa5ed 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -62,8 +62,6 @@
 	$(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a)
 TARGET_LIBATOMIC := \
 	$(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a)
-target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
-	-print-file-name=libgcov.a)
 endif
 
 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
@@ -158,7 +156,7 @@
 $(hide) $(PRIVATE_CXX) \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	 -nostdlib -Wl,-soname,$(notdir $@) \
-	 -shared \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -169,7 +167,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -183,7 +180,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	-nostdlib -Bdynamic \
 	-Wl,-z,nocopyreloc \
-	-fPIE -pie \
+	-pie \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
@@ -195,7 +192,6 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
 	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
@@ -219,7 +215,6 @@
 	-Wl,--no-whole-archive \
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
diff --git a/core/combo/arch/mips/mips32-fp.mk b/core/combo/arch/mips/mips32-fp.mk
index e60bdac..8320e93 100644
--- a/core/combo/arch/mips/mips32-fp.mk
+++ b/core/combo/arch/mips/mips32-fp.mk
@@ -4,11 +4,9 @@
 ARCH_MIPS_HAS_FPU	:=true
 ARCH_HAVE_ALIGNED_DOUBLES :=true
 arch_variant_cflags := \
-    -EL \
-    -march=mips32 \
-    -mtune=mips32 \
     -mips32 \
-    -mhard-float
+    -mfp32 \
+    -modd-spreg \
 
 arch_variant_ldflags := \
-    -EL
+    -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips/mips32.mk b/core/combo/arch/mips/mips32.mk
deleted file mode 100644
index 35ef0d8..0000000
--- a/core/combo/arch/mips/mips32.mk
+++ /dev/null
@@ -1,12 +0,0 @@
-# Configuration for Android on MIPS.
-# Generating binaries for MIPS32/soft-float/little-endian
-
-arch_variant_cflags := \
-    -EL \
-    -march=mips32 \
-    -mtune=mips32 \
-    -mips32 \
-    -msoft-float
-
-arch_variant_ldflags := \
-    -EL
diff --git a/core/combo/arch/mips/mips32r2-fp-xburst.mk b/core/combo/arch/mips/mips32r2-fp-xburst.mk
index 8b0fef1..2b4f714 100644
--- a/core/combo/arch/mips/mips32r2-fp-xburst.mk
+++ b/core/combo/arch/mips/mips32r2-fp-xburst.mk
@@ -5,13 +5,11 @@
 ARCH_MIPS_HAS_FPU :=true
 ARCH_HAVE_ALIGNED_DOUBLES :=true
 arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
     -mips32r2 \
-    -mhard-float \
+    -mfp32 \
+    -modd-spreg \
     -mno-fused-madd \
     -Wa,-mmxu
 
 arch_variant_ldflags := \
-    -EL
+    -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips/mips32r2-fp.mk b/core/combo/arch/mips/mips32r2-fp.mk
index 08d91df..9acb018 100644
--- a/core/combo/arch/mips/mips32r2-fp.mk
+++ b/core/combo/arch/mips/mips32r2-fp.mk
@@ -4,12 +4,10 @@
 ARCH_MIPS_HAS_FPU	:=true
 ARCH_HAVE_ALIGNED_DOUBLES :=true
 arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
     -mips32r2 \
-    -mhard-float \
+    -mfp32 \
+    -modd-spreg \
     -msynci
 
 arch_variant_ldflags := \
-    -EL
+    -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips/mips32r2.mk b/core/combo/arch/mips/mips32r2.mk
deleted file mode 100644
index 16ce76f..0000000
--- a/core/combo/arch/mips/mips32r2.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-# Configuration for Android on MIPS.
-# Generating binaries for MIPS32R2/soft-float/little-endian
-
-arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
-    -mips32r2 \
-    -msoft-float \
-    -msynci
-
-arch_variant_ldflags := \
-    -EL
diff --git a/core/combo/arch/mips/mips32r2dsp-fp.mk b/core/combo/arch/mips/mips32r2dsp-fp.mk
index fe2b1fe..c4b49b6 100644
--- a/core/combo/arch/mips/mips32r2dsp-fp.mk
+++ b/core/combo/arch/mips/mips32r2dsp-fp.mk
@@ -6,13 +6,11 @@
 ARCH_MIPS_HAS_FPU       :=true
 ARCH_HAVE_ALIGNED_DOUBLES :=true
 arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
     -mips32r2 \
-    -mhard-float \
+    -mfp32 \
+    -modd-spreg \
     -mdsp \
     -msynci
 
 arch_variant_ldflags := \
-    -EL
+    -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips/mips32r2dsp.mk b/core/combo/arch/mips/mips32r2dsp.mk
deleted file mode 100644
index 8a8976c..0000000
--- a/core/combo/arch/mips/mips32r2dsp.mk
+++ /dev/null
@@ -1,17 +0,0 @@
-# Configuration for Android on MIPS.
-# Generating binaries for MIPS32R2/soft-float/little-endian/dsp
-
-ARCH_MIPS_HAS_DSP  	:=true
-ARCH_MIPS_DSP_REV	:=1
-
-arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
-    -mips32r2 \
-    -msoft-float \
-    -mdsp \
-    -msynci
-
-arch_variant_ldflags := \
-    -EL
diff --git a/core/combo/arch/mips/mips32r2dspr2-fp.mk b/core/combo/arch/mips/mips32r2dspr2-fp.mk
index 7e882b3..8b05ffc 100644
--- a/core/combo/arch/mips/mips32r2dspr2-fp.mk
+++ b/core/combo/arch/mips/mips32r2dspr2-fp.mk
@@ -6,13 +6,11 @@
 ARCH_MIPS_HAS_FPU       :=true
 ARCH_HAVE_ALIGNED_DOUBLES :=true
 arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
     -mips32r2 \
-    -mhard-float \
+    -mfp32 \
+    -modd-spreg \
     -mdspr2 \
     -msynci
 
 arch_variant_ldflags := \
-    -EL
+    -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips/mips32r2dspr2.mk b/core/combo/arch/mips/mips32r2dspr2.mk
deleted file mode 100644
index c311523..0000000
--- a/core/combo/arch/mips/mips32r2dspr2.mk
+++ /dev/null
@@ -1,17 +0,0 @@
-# Configuration for Android on MIPS.
-# Generating binaries for MIPS32R2/soft-float/little-endian/dsp
-
-ARCH_MIPS_HAS_DSP  	:=true
-ARCH_MIPS_DSP_REV	:=2
-
-arch_variant_cflags := \
-    -EL \
-    -march=mips32r2 \
-    -mtune=mips32r2 \
-    -mips32r2 \
-    -msoft-float \
-    -mdspr2 \
-    -msynci
-
-arch_variant_ldflags := \
-    -EL
diff --git a/core/combo/arch/mips/mips32r6.mk b/core/combo/arch/mips/mips32r6.mk
new file mode 100644
index 0000000..315aa60
--- /dev/null
+++ b/core/combo/arch/mips/mips32r6.mk
@@ -0,0 +1,12 @@
+# Configuration for Android on MIPS.
+# Generating binaries for MIPS32R6/hard-float/little-endian
+
+ARCH_MIPS_REV6 := true
+arch_variant_cflags := \
+    -mips32r6 \
+    -mfp64 \
+    -mno-odd-spreg \
+    -msynci
+
+arch_variant_ldflags := \
+    -Wl,-melf32ltsmip
diff --git a/core/combo/arch/mips64/mips64r2.mk b/core/combo/arch/mips64/mips64r2.mk
index 298aeaf..c5710d0 100644
--- a/core/combo/arch/mips64/mips64r2.mk
+++ b/core/combo/arch/mips64/mips64r2.mk
@@ -1,14 +1,10 @@
 # Configuration for Android on mips64r2.
 
+# This target is for temporary use only, until mips64r6 is supported by Android's qemu.
+
 ARCH_MIPS_HAS_FPU	:=true
 ARCH_HAVE_ALIGNED_DOUBLES :=true
 arch_variant_cflags := \
-    -EL \
-    -march=mips64r2 \
-    -mtune=mips64r2 \
     -mips64r2 \
-    -mhard-float \
     -msynci
 
-arch_variant_ldflags := \
-    -EL
diff --git a/core/combo/arch/mips64/mips64r6.mk b/core/combo/arch/mips64/mips64r6.mk
new file mode 100644
index 0000000..443de20
--- /dev/null
+++ b/core/combo/arch/mips64/mips64r6.mk
@@ -0,0 +1,7 @@
+# Configuration for Android on mips64r6.
+
+ARCH_MIPS_REV6 := true
+arch_variant_cflags := \
+    -mips64r6 \
+    -msynci
+
diff --git a/core/combo/fdo.mk b/core/combo/fdo.mk
index 26e842f..68959c3 100644
--- a/core/combo/fdo.mk
+++ b/core/combo/fdo.mk
@@ -17,23 +17,20 @@
 # Setup FDO related flags.
 
 $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
-$(combo_2nd_arch_prefix)TARGET_FDO_LIB:=
 
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
+ifeq ($(strip $(BUILD_FDO_INSTRUMENT)), true)
   # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
-  # The profile will be generated on /data/local/tmp/profile on the device.
-  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/fdo_profile -DANDROID_FDO
-  $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
+  # The profile will be generated on /sdcard/fdo_profile on the device.
+  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/sdcard/fdo_profile -DANDROID_FDO
 else
-  ifneq ($(strip $(BUILD_FDO_OPTIMIZE)),)
+  ifeq ($(strip $(BUILD_FDO_OPTIMIZE)), true)
     # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
     ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
-      $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo_profiles
+      $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := vendor/google_data/fdo_profile
     endif
 
     ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
       $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO -fprofile-correction -Wcoverage-mismatch -Wno-error
-      $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
     else
       $(warning Profile directory $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) does not exist. Turn off FDO.)
     endif
diff --git a/core/combo/select.mk b/core/combo/select.mk
index e18cb1b..d495c6f 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -82,6 +82,10 @@
   # on a workstation.
   export CCACHE_BASEDIR := /
 
+  # Workaround for ccache with clang.
+  # See http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
+  export CCACHE_CPP2 := true
+
   CCACHE_HOST_TAG := $(HOST_PREBUILT_TAG)
   # If we are cross-compiling Windows binaries on Linux
   # then use the linux ccache binary instead.
diff --git a/core/definitions.mk b/core/definitions.mk
index 6656591..13959aa 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -884,7 +884,7 @@
 	-Wl,-rpath,\$$ORIGIN/../lib \
 	$(dir $@)/$(notdir $(<:.bc=.o)) \
 	$(RS_PREBUILT_COMPILER_RT) \
-	-o $@ -L prebuilts/gcc/ \
+	-o $@ $(TARGET_GLOBAL_LDFLAGS) -L prebuilts/gcc/ \
 	-L $(TARGET_OUT_INTERMEDIATE_LIBRARIES) $(RS_PREBUILT_LIBPATH) \
 	-lRSSupport -lm -lc
 endef
@@ -1309,7 +1309,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
 	-Wl,-rpath,\$$ORIGIN/../lib \
-	-shared -Wl,-soname,$(notdir $@) \
+	-Wl,-shared -Wl,-soname,$(notdir $@) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -1413,7 +1413,7 @@
 ifdef BUILD_HOST_static
 HOST_FPIE_FLAGS :=
 else
-HOST_FPIE_FLAGS := -fPIE -pie
+HOST_FPIE_FLAGS := -pie
 endif
 
 ifneq ($(HOST_CUSTOM_LD_COMMAND),true)
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index 2d9c518..11b7406 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -90,5 +90,6 @@
 	--oat-file=$(2) \
 	--android-root=$(PRODUCT_OUT)/system \
 	--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
-	--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+	--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
+	--include-patch-information --runtime-arg -Xnorelocate
 endef
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index 7eefc0b..5390a36 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -53,4 +53,4 @@
 		--image=$@ --base=$(LIBART_IMG_TARGET_BASE_ADDRESS) \
 		--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
 		--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-		--android-root=$(PRODUCT_OUT)/system
+		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 613b058..10b41bd 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -32,6 +32,12 @@
 ifneq (,$(filter $(LOCAL_MODULE),$(PRODUCT_DEX_PREOPT_PACKAGES_IN_DATA)))
 LOCAL_DEX_PREOPT :=
 endif
+# if WITH_DEXPREOPT_BOOT_IMG_ONLY=true and module is not in boot class path skip
+ifeq (true,$(WITH_DEXPREOPT_BOOT_IMG_ONLY))
+ifeq ($(filter $(DEXPREOPT_BOOT_JARS_MODULES),$(LOCAL_MODULE)),)
+LOCAL_DEX_PREOPT :=
+endif
+endif
 
 built_odex :=
 installed_odex :=
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index 396199c..3d6ad4a 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -110,6 +110,15 @@
 $(strip_output): PRIVATE_READELF := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_READELF)
 $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
 	$(transform-to-stripped-keep-symbols)
+
+# A product may be configured to strip everything in some build variants.
+# We do the stripping as a post-install command so that LOCAL_BUILT_MODULE
+# is still with the symbols and we don't need to clean it (and relink) when
+# you switch build variant.
+ifneq ($(filter $(STRIP_EVERYTHING_BUILD_VARIANTS),$(TARGET_BUILD_VARIANT)),)
+$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := \
+  $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) --strip-all $(LOCAL_INSTALLED_MODULE)
+endif
 else
 # Don't strip the binary, just copy it.  We can't skip this step
 # because a copy of the binary must appear at LOCAL_BUILT_MODULE.
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 96044b3..124a91b 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -260,7 +260,11 @@
 
 # The default host library path.
 # It always points to the path where we build libraries in the default bitness.
-HOST_LIBRARY_PATH := $(HOST_OUT)/lib
+ifeq ($(HOST_PREFER_32_BIT),true)
+HOST_LIBRARY_PATH := $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES)
+else
+HOST_LIBRARY_PATH := $(HOST_OUT_SHARED_LIBRARIES)
+endif
 
 TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj
 TARGET_OUT_HEADERS := $(TARGET_OUT_INTERMEDIATES)/include
diff --git a/core/executable_internal.mk b/core/executable_internal.mk
index 2e380b6..ab4cf0e 100644
--- a/core/executable_internal.mk
+++ b/core/executable_internal.mk
@@ -28,7 +28,6 @@
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
-my_target_fdo_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_LIB)
 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
 my_target_crtbegin_dynamic_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_DYNAMIC_O)
@@ -48,7 +47,6 @@
 endif
 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
-$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(my_target_crtbegin_dynamic_o)
diff --git a/core/main.mk b/core/main.mk
index cdf3200..f33574b 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -374,9 +374,9 @@
           ro.setupwizard.mode=OPTIONAL
 endif
 # Don't even verify the image on eng builds to speed startup
-ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-flags=--compiler-filter=verify-none
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-filter=verify-none
 # Don't compile apps on eng builds to speed startup
-ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-flags=--compiler-filter=interpret-only
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-filter=interpret-only
 endif
 
 ## sdk ##
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 3f8bdfe..0d6f9ea 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -370,8 +370,12 @@
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
 else
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG := $(PRODUCT_AAPT_CONFIG)
+ifdef LOCAL_PACKAGE_SPLITS
+    $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
+else
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG := $(PRODUCT_AAPT_PREF_CONFIG)
 endif
+endif
 $(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
 	$(create-empty-package)
diff --git a/core/pathmap.mk b/core/pathmap.mk
index 30b1ab7..0e10ac1 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -121,8 +121,8 @@
 # A list of all source roots under frameworks/multidex.
 #
 FRAMEWORKS_MULTIDEX_SUBDIRS := \
-        multidex \
-        multidex/instrumentation
+        multidex/library/src \
+        multidex/instrumentation/src
 
 #
 # A version of FRAMEWORKS_SUPPORT_SUBDIRS that is expanded to full paths from
@@ -130,12 +130,13 @@
 #
 FRAMEWORKS_SUPPORT_JAVA_SRC_DIRS := \
 	$(addprefix frameworks/support/,$(FRAMEWORKS_SUPPORT_SUBDIRS)) \
-        $(addsuffix /src,$(addprefix frameworks/,$(FRAMEWORKS_MULTIDEX_SUBDIRS)))
+	$(addprefix frameworks/,$(FRAMEWORKS_MULTIDEX_SUBDIRS))
 
 #
 # A list of support library modules.
 #
 FRAMEWORKS_SUPPORT_JAVA_LIBRARIES := \
     $(foreach dir,$(FRAMEWORKS_SUPPORT_SUBDIRS),android-support-$(subst /,-,$(dir))) \
-    $(foreach dir,$(FRAMEWORKS_MULTIDEX_SUBDIRS),android-support-$(subst /,-,$(dir)))
+    android-support-multidex \
+    android-support-multidex-instrumentation
 
diff --git a/core/product.mk b/core/product.mk
index 89d5982..c9e22eb 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -262,7 +262,8 @@
 
 _product_stash_var_list += \
 	DEFAULT_SYSTEM_DEV_CERTIFICATE \
-	WITH_DEXPREOPT
+	WITH_DEXPREOPT \
+	WITH_DEXPREOPT_BOOT_IMG_ONLY
 
 #
 # Stash values of the variables in _product_stash_var_list.
diff --git a/core/sdk_font.mk b/core/sdk_font.mk
new file mode 100644
index 0000000..aa6b94d
--- /dev/null
+++ b/core/sdk_font.mk
@@ -0,0 +1,61 @@
+###############################################################################
+# Fonts shipped with the SDK need to be renamed for Java to handle them
+# properly. Hence, a special script is used to rename the fonts. We bundle all
+# the fonts that are shipped on a newer non-space-constrained device. However,
+# OpenType fonts used on these devices are not supported by Java. Their
+# replacements are added separately.
+###############################################################################
+
+
+# The script that renames the font.
+sdk_font_rename_script := frameworks/base/tools/layoutlib/rename_font/build_font_single.py
+
+# Location of the fonttools library that the above script depends on.
+fonttools_lib := external/fonttools/Lib
+
+# A temporary location to store the renamed fonts. atree picks all files in
+# this directory and bundles it with the SDK.
+SDK_FONT_TEMP := $(call intermediates-dir-for,PACKAGING,sdk-fonts,HOST,COMMON)
+
+# The font configuration files - system_fonts.xml, fallback_fonts.xml etc.
+sdk_font_config := $(wildcard frameworks/base/data/fonts/*.xml)
+sdk_font_config :=  $(addprefix $(SDK_FONT_TEMP)/, $(notdir $(sdk_font_config)))
+
+$(sdk_font_config): $(SDK_FONT_TEMP)/%.xml: \
+			frameworks/base/data/fonts/%.xml
+	$(hide) mkdir -p $(dir $@)
+	$(hide) cp -vf $< $@
+
+# List of fonts on the device that we want to ship. This is all .ttf fonts.
+sdk_fonts_device := $(filter $(TARGET_OUT)/fonts/%.ttf, $(INTERNAL_SYSTEMIMAGE_FILES))
+sdk_fonts_device := $(addprefix $(SDK_FONT_TEMP)/, $(notdir $(sdk_fonts_device)))
+
+# Macro to rename the font.
+sdk_rename_font = PYTHONPATH=$$PYTHONPATH:$(fonttools_lib) $(sdk_font_rename_script) \
+	    $1 $2
+
+# TODO: If the font file is a symlink, reuse the font renamed from the symlink
+# target.
+$(sdk_fonts_device): $(SDK_FONT_TEMP)/%.ttf: $(TARGET_OUT)/fonts/%.ttf \
+			$(sdk_font_rename_script)
+	$(hide) mkdir -p $(dir $@)
+	$(hide) $(call sdk_rename_font,$<,$@)
+
+# Extra fonts that are not part of the device build. These are used as a
+# replacement for the OpenType fonts.
+sdk_fonts_extra := NanumGothic.ttf DroidSansFallback.ttf
+sdk_fonts_extra := $(addprefix $(SDK_FONT_TEMP)/, $(sdk_fonts_extra))
+
+$(SDK_FONT_TEMP)/NanumGothic.ttf: external/naver-fonts/NanumGothic.ttf \
+			$(sdk_font_rename_script)
+	$(hide) mkdir -p $(dir $@)
+	$(hide) $(call sdk_rename_font,$<,$@)
+
+$(SDK_FONT_TEMP)/DroidSansFallback.ttf: frameworks/base/data/fonts/DroidSansFallbackFull.ttf \
+			$(sdk_font_rename_script)
+	$(hide) mkdir -p $(dir $@)
+	$(hide) $(call sdk_rename_font,$<,$@)
+
+# List of all dependencies - all fonts and configuration files.
+SDK_FONT_DEPS := $(sdk_fonts_device) $(sdk_fonts_extra) $(sdk_font_config)
+
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index abef11f..c01be37 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -40,7 +40,6 @@
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
-my_target_fdo_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_LIB)
 my_target_libgcc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCC)
 my_target_libatomic := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBATOMIC)
 my_target_crtbegin_so_o := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_CRTBEGIN_SO_O)
@@ -58,7 +57,6 @@
 endif
 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
-$(linked_module): PRIVATE_TARGET_FDO_LIB := $(my_target_fdo_lib)
 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
diff --git a/core/tasks/vendor_module_check.mk b/core/tasks/vendor_module_check.mk
index 793dd16..d8e8ec7 100644
--- a/core/tasks/vendor_module_check.mk
+++ b/core/tasks/vendor_module_check.mk
@@ -18,6 +18,7 @@
 _vendor_owner_whitelist := \
         asus \
         audience \
+        atmel \
         broadcom \
         csr \
         elan \
@@ -28,6 +29,7 @@
         intel \
         lge \
         moto \
+        mtk \
         nvidia \
         nxp \
         nxpsw \
@@ -35,6 +37,7 @@
         qti \
         samsung \
         samsung_arm \
+        sony \
         synaptics \
         ti \
         trusted_logic \
diff --git a/envsetup.sh b/envsetup.sh
index da7b6b3..42ac007 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -138,9 +138,7 @@
         arm64) toolchaindir=aarch64/aarch64-linux-android-$targetgccversion/bin;
                toolchaindir2=arm/arm-linux-androideabi-$targetgccversion2/bin
             ;;
-        mips) toolchaindir=mips/mipsel-linux-android-$targetgccversion/bin
-            ;;
-        mips64) toolchaindir=mips/mips64el-linux-android-$targetgccversion/bin
+        mips|mips64) toolchaindir=mips/mips64el-linux-android-$targetgccversion/bin
             ;;
         *)
             echo "Can't find toolchain for unknown architecture: $ARCH"
@@ -1003,8 +1001,7 @@
    case "$ARCH" in
        arm) GDB=arm-linux-androideabi-gdb;;
        arm64) GDB=arm-linux-androideabi-gdb; GDB64=aarch64-linux-android-gdb;;
-       mips) GDB=mipsel-linux-android-gdb;;
-       mips64) GDB=mipsel-linux-android-gdb;;
+       mips|mips64) GDB=mips64el-linux-android-gdb;;
        x86) GDB=x86_64-linux-android-gdb;;
        x86_64) GDB=x86_64-linux-android-gdb;;
        *) echo "Unknown arch $ARCH"; return 1;;
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 62303d6..3ae5860 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -87,3 +87,8 @@
         shell.te \
         surfaceflinger.te \
         system_server.te
+
+ifeq ($(TARGET_PRODUCT),sdk)
+  # include an expanded selection of fonts for the SDK.
+  EXTENDED_FONT_FOOTPRINT := true
+endif
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 1493bd9..f335aef 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -22,8 +22,8 @@
 TARGET_CPU_ABI := arm64-v8a
 
 TARGET_2ND_ARCH := arm
-TARGET_2ND_ARCH_VARIANT := armv7-a-neon
-TARGET_2ND_CPU_VARIANT := cortex-a15
+TARGET_2ND_ARCH_VARIANT := armv7-a
+TARGET_2ND_CPU_VARIANT := generic
 TARGET_2ND_CPU_ABI := armeabi-v7a
 TARGET_2ND_CPU_ABI2 := armeabi
 
diff --git a/target/board/generic_mips/Android.mk b/target/board/generic_mips/Android.mk
deleted file mode 100644
index abf8d57..0000000
--- a/target/board/generic_mips/Android.mk
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# 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.
-#
-
-LOCAL_PATH := $(call my-dir)
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index 7452978..5dc943a 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -30,9 +30,13 @@
 
 TARGET_2ND_ARCH := mips
 ifeq (,$(TARGET_2ND_ARCH_VARIANT))
+ifeq ($(TARGET_ARCH_VARIANT),mips64r6)
+TARGET_2ND_ARCH_VARIANT :=  mips32r6
+else
 TARGET_2ND_ARCH_VARIANT :=  mips32r2-fp
 endif
-TARGET_CPU_ABI  := mips
+endif
+TARGET_2ND_CPU_ABI  := mips
 
 # The emulator (qemu) uses the Goldfish devices
 HAVE_HTC_AUDIO_DRIVER := true
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 0c453dd..880a0fd 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -36,6 +36,8 @@
     com.android.location.provider.xml \
     com.android.media.remotedisplay \
     com.android.media.remotedisplay.xml \
+    com.android.mediadrm.signer \
+    com.android.mediadrm.signer.xml \
     drmserver \
     ethernet-service \
     framework-res \
@@ -92,7 +94,6 @@
     services \
     apache-xml \
     ethernet-service \
-    webviewchromium \
     wifi-service
 
 PRODUCT_RUNTIMES := runtime_libart_default
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index 6cb8818..8f5f24d 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -20,7 +20,8 @@
         core-libart \
         libart \
         dex2oat \
-        oatdump
+        oatdump \
+        patchoat
 
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     dalvik.vm.image-dex2oat-Xms=64m \
diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index 2767496..593e5b5 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -26,16 +26,9 @@
 # instead (see below).
 echo "# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,"
 echo "# use ro.product.cpu.abilist instead."
-if [ "$TARGET_2ND_CPU_ABI" = "armeabi-v7a" ] ; then
-  echo "ro.product.cpu.abi=$TARGET_2ND_CPU_ABI"
-  if [ -n "$TARGET_2ND_CPU_ABI2" ] ; then
-    echo "ro.product.cpu.abi2=$TARGET_2ND_CPU_ABI2"
-  fi
-else
-  echo "ro.product.cpu.abi=$TARGET_CPU_ABI"
-  if [ -n "$TARGET_CPU_ABI2" ] ; then
-    echo "ro.product.cpu.abi2=$TARGET_CPU_ABI2"
-  fi
+echo "ro.product.cpu.abi=$TARGET_CPU_ABI"
+if [ -n "$TARGET_CPU_ABI2" ] ; then
+  echo "ro.product.cpu.abi2=$TARGET_CPU_ABI2"
 fi
 echo "ro.product.cpu.abilist=$TARGET_CPU_ABI_LIST"
 echo "ro.product.cpu.abilist32=$TARGET_CPU_ABI_LIST_32_BIT"
diff --git a/tools/post_process_props.py b/tools/post_process_props.py
index e43ca59..030826d 100755
--- a/tools/post_process_props.py
+++ b/tools/post_process_props.py
@@ -19,9 +19,10 @@
 # Usage: post_process_props.py file.prop [blacklist_key, ...]
 # Blacklisted keys are removed from the property file, if present
 
-# See PROP_VALUE_MAX system_properties.h.
-# PROP_VALUE_MAX in system_properties.h includes the termination NUL,
-# so we decrease it by 1 here.
+# See PROP_NAME_MAX and PROP_VALUE_MAX system_properties.h.
+# The constants in system_properties.h includes the termination NUL,
+# so we decrease the values by 1 here.
+PROP_NAME_MAX = 31
 PROP_VALUE_MAX = 91
 
 # Put the modifications that you need to make into the /system/build.prop into this
@@ -59,6 +60,11 @@
                              "").startswith("eng")
   for key, value in buildprops.iteritems():
     # Check build properties' length.
+    if len(key) > PROP_NAME_MAX:
+      check_pass = False
+      sys.stderr.write("error: %s cannot exceed %d bytes: " %
+                       (key, PROP_NAME_MAX))
+      sys.stderr.write("%s (%d)\n" % (key, len(key)))
     if len(value) > PROP_VALUE_MAX:
       # If dev build, show a warning message, otherwise fail the
       # build with error message
diff --git a/tools/releasetools/add_img_to_target_files b/tools/releasetools/add_img_to_target_files
new file mode 120000
index 0000000..04323bd
--- /dev/null
+++ b/tools/releasetools/add_img_to_target_files
@@ -0,0 +1 @@
+add_img_to_target_files.py
\ No newline at end of file
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
new file mode 100755
index 0000000..568a3f1
--- /dev/null
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -0,0 +1,300 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2014 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.
+
+"""
+Given a target-files zipfile that does not contain images (ie, does
+not have an IMAGES/ top-level subdirectory), produce the images and
+add them to the zipfile.
+
+Usage:  add_img_to_target_files target_files
+"""
+
+import sys
+
+if sys.hexversion < 0x02070000:
+  print >> sys.stderr, "Python 2.7 or newer is required."
+  sys.exit(1)
+
+import errno
+import os
+import re
+import shutil
+import subprocess
+import tempfile
+import zipfile
+
+# missing in Python 2.4 and before
+if not hasattr(os, "SEEK_SET"):
+  os.SEEK_SET = 0
+
+import build_image
+import common
+
+OPTIONS = common.OPTIONS
+
+
+def AddSystem(output_zip, sparse=True, prefix="IMAGES/"):
+  """Turn the contents of SYSTEM into a system image and store it in
+  output_zip."""
+  block_list = tempfile.NamedTemporaryFile()
+  data = BuildSystem(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse,
+                     block_list=block_list.name)
+  common.ZipWriteStr(output_zip, prefix + "system.img", data)
+  with open(block_list.name, "rb") as f:
+    block_list_data = f.read()
+  common.ZipWriteStr(output_zip, prefix + "system.map", block_list_data)
+  block_list.close()
+
+def BuildSystem(input_dir, info_dict, sparse=True, map_file=None,
+                block_list=None):
+  return CreateImage(input_dir, info_dict, "system",
+                     sparse=sparse, map_file=map_file, block_list=block_list)
+
+def AddVendor(output_zip, sparse=True, prefix="IMAGES/"):
+  block_list = tempfile.NamedTemporaryFile()
+  data = BuildVendor(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse,
+                     block_list=block_list.name)
+  common.ZipWriteStr(output_zip, prefix + "vendor.img", data)
+  with open(block_list.name, "rb") as f:
+    block_list_data = f.read()
+  common.ZipWriteStr(output_zip, prefix + "vendor.map", block_list_data)
+  block_list.close()
+
+def BuildVendor(input_dir, info_dict, sparse=True, map_file=None,
+                block_list=None):
+  return CreateImage(input_dir, info_dict, "vendor",
+                     sparse=sparse, map_file=map_file, block_list=block_list)
+
+
+def CreateImage(input_dir, info_dict, what, sparse=True, map_file=None,
+                block_list=None):
+  print "creating " + what + ".img..."
+
+  img = tempfile.NamedTemporaryFile()
+
+  # The name of the directory it is making an image out of matters to
+  # mkyaffs2image.  It wants "system" but we have a directory named
+  # "SYSTEM", so create a symlink.
+  try:
+    os.symlink(os.path.join(input_dir, what.upper()),
+               os.path.join(input_dir, what))
+  except OSError, e:
+      # bogus error on my mac version?
+      #   File "./build/tools/releasetools/img_from_target_files", line 86, in AddSystem
+      #     os.path.join(OPTIONS.input_tmp, "system"))
+      # OSError: [Errno 17] File exists
+    if (e.errno == errno.EEXIST):
+      pass
+
+  image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
+  fstab = info_dict["fstab"]
+  if fstab:
+    image_props["fs_type" ] = fstab["/" + what].fs_type
+
+  if what == "system":
+    fs_config_prefix = ""
+  else:
+    fs_config_prefix = what + "_"
+
+  fs_config = os.path.join(
+      input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
+  if not os.path.exists(fs_config): fs_config = None
+
+  fc_config = os.path.join(input_dir, "BOOT/RAMDISK/file_contexts")
+  if not os.path.exists(fc_config): fc_config = None
+
+  succ = build_image.BuildImage(os.path.join(input_dir, what),
+                                image_props, img.name,
+                                fs_config=fs_config,
+                                fc_config=fc_config,
+                                block_list=block_list)
+  assert succ, "build " + what + ".img image failed"
+
+  mapdata = None
+
+  if sparse:
+    data = open(img.name).read()
+    img.close()
+  else:
+    success, name = build_image.UnsparseImage(img.name, replace=False)
+    if not success:
+      assert False, "unsparsing " + what + ".img failed"
+
+    if map_file:
+      mmap = tempfile.NamedTemporaryFile()
+      mimg = tempfile.NamedTemporaryFile(delete=False)
+      success = build_image.MappedUnsparseImage(
+          img.name, name, mmap.name, mimg.name)
+      if not success:
+        assert False, "creating sparse map failed"
+      os.unlink(name)
+      name = mimg.name
+
+      with open(mmap.name) as f:
+        mapdata = f.read()
+
+    try:
+      with open(name) as f:
+        data = f.read()
+    finally:
+      os.unlink(name)
+
+  if mapdata is None:
+    return data
+  else:
+    return mapdata, data
+
+
+def AddUserdata(output_zip, prefix="IMAGES/"):
+  """Create an empty userdata image and store it in output_zip."""
+
+  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
+                                                    "data")
+  # We only allow yaffs to have a 0/missing partition_size.
+  # Extfs, f2fs must have a size. Skip userdata.img if no size.
+  if (not image_props.get("fs_type", "").startswith("yaffs") and
+      not image_props.get("partition_size")):
+    return
+
+  print "creating userdata.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 "data", and build the image from that.
+  temp_dir = tempfile.mkdtemp()
+  user_dir = os.path.join(temp_dir, "data")
+  os.mkdir(user_dir)
+  img = tempfile.NamedTemporaryFile()
+
+  fstab = OPTIONS.info_dict["fstab"]
+  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, prefix + "userdata.img")
+  img.close()
+  os.rmdir(user_dir)
+  os.rmdir(temp_dir)
+
+
+def AddCache(output_zip, prefix="IMAGES/"):
+  """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, prefix + "cache.img")
+  img.close()
+  os.rmdir(user_dir)
+  os.rmdir(temp_dir)
+
+
+def AddImagesToTargetFiles(filename):
+  OPTIONS.input_tmp, input_zip = common.UnzipTemp(filename)
+  try:
+
+    for n in input_zip.namelist():
+      if n.startswith("IMAGES/"):
+        print "target_files appears to already contain images."
+        sys.exit(1)
+
+    try:
+      input_zip.getinfo("VENDOR/")
+      has_vendor = True
+    except KeyError:
+      has_vendor = False
+
+    OPTIONS.info_dict = common.LoadInfoDict(input_zip)
+    if "selinux_fc" in OPTIONS.info_dict:
+      OPTIONS.info_dict["selinux_fc"] = os.path.join(
+          OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
+
+    input_zip.close()
+    output_zip = zipfile.ZipFile(filename, "a",
+                                 compression=zipfile.ZIP_DEFLATED)
+
+    def banner(s):
+      print "\n\n++++ " + s + " ++++\n\n"
+
+    banner("boot")
+    boot_image = common.GetBootableImage(
+        "IMAGES/boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+    if boot_image:
+      boot_image.AddToZip(output_zip)
+
+    banner("recovery")
+    recovery_image = common.GetBootableImage(
+        "IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+    if recovery_image:
+      recovery_image.AddToZip(output_zip)
+
+    banner("system")
+    AddSystem(output_zip)
+    if has_vendor:
+      banner("vendor")
+      AddVendor(output_zip)
+    banner("userdata")
+    AddUserdata(output_zip)
+    banner("cache")
+    AddCache(output_zip)
+
+    output_zip.close()
+
+  finally:
+    shutil.rmtree(OPTIONS.input_tmp)
+
+
+def main(argv):
+  args = common.ParseOptions(argv, __doc__)
+
+  if len(args) != 1:
+    common.Usage(__doc__)
+    sys.exit(1)
+
+  AddImagesToTargetFiles(args[0])
+  print "done."
+
+if __name__ == '__main__':
+  try:
+    common.CloseInheritedPipes()
+    main(sys.argv[1:])
+  except common.ExternalError, e:
+    print
+    print "   ERROR: %s" % (e,)
+    print
+    sys.exit(1)
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 712e0cd..5ae8d3c 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -209,7 +209,8 @@
 
 def BuildImage(in_dir, prop_dict, out_file,
                fs_config=None,
-               fc_config=None):
+               fc_config=None,
+               block_list=None):
   """Build an image to out_file from in_dir with property prop_dict.
 
   Args:
@@ -252,6 +253,8 @@
       build_command.extend(["-T", str(prop_dict["timestamp"])])
     if fs_config is not None:
       build_command.extend(["-C", fs_config])
+    if block_list is not None:
+      build_command.extend(["-B", block_list])
     if fc_config is not None:
       build_command.append(fc_config)
     elif "selinux_fc" in prop_dict:
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index f2f35f4..947a9e4 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -303,6 +303,11 @@
 
   cmd = [mkbootimg, "--kernel", os.path.join(sourcedir, "kernel")]
 
+  fn = os.path.join(sourcedir, "second")
+  if os.access(fn, os.F_OK):
+    cmd.append("--second")
+    cmd.append(fn)
+
   fn = os.path.join(sourcedir, "cmdline")
   if os.access(fn, os.F_OK):
     cmd.append("--cmdline")
@@ -900,10 +905,26 @@
       cmd.append(ttemp.name)
       cmd.append(ptemp.name)
       p = Run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-      _, err = p.communicate()
+      err = []
+      def run():
+        _, e = p.communicate()
+        if e: err.append(e)
+      th = threading.Thread(target=run)
+      th.start()
+      th.join(timeout=300)   # 5 mins
+      if th.is_alive():
+        print "WARNING: diff command timed out"
+        p.terminate()
+        th.join(5)
+        if th.is_alive():
+          p.kill()
+          th.join()
+
       if err or p.returncode != 0:
-        print "WARNING: failure running %s:\n%s\n" % (diff_program, err)
-        return None
+        print "WARNING: failure running %s:\n%s\n" % (
+            diff_program, "".join(err))
+        self.patch = None
+        return None, None, None
       diff = ptemp.read()
     finally:
       ptemp.close()
@@ -1049,8 +1070,14 @@
   _, _, patch = d.ComputePatch()
   output_sink("recovery-from-boot.p", patch)
 
-  boot_type, boot_device = GetTypeAndDevice("/boot", info_dict)
-  recovery_type, recovery_device = GetTypeAndDevice("/recovery", info_dict)
+  td_pair = GetTypeAndDevice("/boot", info_dict)
+  if not td_pair:
+    return
+  boot_type, boot_device = td_pair
+  td_pair = GetTypeAndDevice("/recovery", info_dict)
+  if not td_pair:
+    return
+  recovery_type, recovery_device = td_pair
 
   sh = """#!/system/bin/sh
 if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(recovery_size)d:%(recovery_sha1)s; then
diff --git a/tools/releasetools/img_from_target_files.py b/tools/releasetools/img_from_target_files.py
index 9aab41c..4b88e73 100755
--- a/tools/releasetools/img_from_target_files.py
+++ b/tools/releasetools/img_from_target_files.py
@@ -20,9 +20,6 @@
 
 Usage:  img_from_target_files [flags] input_target_files output_image_zip
 
-  -b  (--board_config)  <file>
-      Deprecated.
-
   -z  (--bootable_zip)
       Include only the bootable images (eg 'boot' and 'recovery') in
       the output.
@@ -47,174 +44,11 @@
 if not hasattr(os, "SEEK_SET"):
   os.SEEK_SET = 0
 
-import build_image
 import common
 
 OPTIONS = common.OPTIONS
 
 
-def AddSystem(output_zip, sparse=True):
-  """Turn the contents of SYSTEM into a system image and store it in
-  output_zip."""
-  data = BuildSystem(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse)
-  common.ZipWriteStr(output_zip, "system.img", data)
-
-def BuildSystem(input_dir, info_dict, sparse=True, map_file=None):
-  return CreateImage(input_dir, info_dict, "system",
-                     sparse=sparse, map_file=map_file)
-
-def AddVendor(output_zip, sparse=True):
-  data = BuildVendor(OPTIONS.input_tmp, OPTIONS.info_dict, sparse=sparse)
-  common.ZipWriteStr(output_zip, "vendor.img", data)
-
-def BuildVendor(input_dir, info_dict, sparse=True, map_file=None):
-  return CreateImage(input_dir, info_dict, "vendor",
-                     sparse=sparse, map_file=map_file)
-
-
-def CreateImage(input_dir, info_dict, what, sparse=True, map_file=None):
-  print "creating " + what + ".img..."
-
-  img = tempfile.NamedTemporaryFile()
-
-  # The name of the directory it is making an image out of matters to
-  # mkyaffs2image.  It wants "system" but we have a directory named
-  # "SYSTEM", so create a symlink.
-  try:
-    os.symlink(os.path.join(input_dir, what.upper()),
-               os.path.join(input_dir, what))
-  except OSError, e:
-      # bogus error on my mac version?
-      #   File "./build/tools/releasetools/img_from_target_files", line 86, in AddSystem
-      #     os.path.join(OPTIONS.input_tmp, "system"))
-      # OSError: [Errno 17] File exists
-    if (e.errno == errno.EEXIST):
-      pass
-
-  image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
-  fstab = info_dict["fstab"]
-  if fstab:
-    image_props["fs_type" ] = fstab["/" + what].fs_type
-
-  if what == "system":
-    fs_config_prefix = ""
-  else:
-    fs_config_prefix = what + "_"
-
-  fs_config = os.path.join(
-      input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
-  if not os.path.exists(fs_config): fs_config = None
-
-  fc_config = os.path.join(input_dir, "BOOT/RAMDISK/file_contexts")
-  if not os.path.exists(fc_config): fc_config = None
-
-  succ = build_image.BuildImage(os.path.join(input_dir, what),
-                                image_props, img.name,
-                                fs_config=fs_config,
-                                fc_config=fc_config)
-  assert succ, "build " + what + ".img image failed"
-
-  mapdata = None
-
-  if sparse:
-    data = open(img.name).read()
-    img.close()
-  else:
-    success, name = build_image.UnsparseImage(img.name, replace=False)
-    if not success:
-      assert False, "unsparsing " + what + ".img failed"
-
-    if map_file:
-      mmap = tempfile.NamedTemporaryFile()
-      mimg = tempfile.NamedTemporaryFile(delete=False)
-      success = build_image.MappedUnsparseImage(
-          img.name, name, mmap.name, mimg.name)
-      if not success:
-        assert False, "creating sparse map failed"
-      os.unlink(name)
-      name = mimg.name
-
-      with open(mmap.name) as f:
-        mapdata = f.read()
-
-    try:
-      with open(name) as f:
-        data = f.read()
-    finally:
-      os.unlink(name)
-
-  if mapdata is None:
-    return data
-  else:
-    return mapdata, data
-
-
-def AddUserdata(output_zip):
-  """Create an empty userdata image and store it in output_zip."""
-
-  image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict,
-                                                    "data")
-  # We only allow yaffs to have a 0/missing partition_size.
-  # Extfs, f2fs must have a size. Skip userdata.img if no size.
-  if (not image_props.get("fs_type", "").startswith("yaffs") and
-      not image_props.get("partition_size")):
-    return
-
-  print "creating userdata.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 "data", and build the image from that.
-  temp_dir = tempfile.mkdtemp()
-  user_dir = os.path.join(temp_dir, "data")
-  os.mkdir(user_dir)
-  img = tempfile.NamedTemporaryFile()
-
-  fstab = OPTIONS.info_dict["fstab"]
-  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")
-  img.close()
-  os.rmdir(user_dir)
-  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 CopyInfo(output_zip):
   """Copy the android-info.txt file from the input to the output."""
   output_zip.write(os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
@@ -225,8 +59,6 @@
   bootable_only = [False]
 
   def option_handler(o, a):
-    if o in ("-b", "--board_config"):
-      pass       # deprecated
     if o in ("-z", "--bootable_zip"):
       bootable_only[0] = True
     else:
@@ -234,9 +66,8 @@
     return True
 
   args = common.ParseOptions(argv, __doc__,
-                             extra_opts="b:z",
-                             extra_long_opts=["board_config=",
-                                              "bootable_zip"],
+                             extra_opts="z",
+                             extra_long_opts=["bootable_zip"],
                              extra_option_handler=option_handler)
 
   bootable_only = bootable_only[0]
@@ -246,48 +77,70 @@
     sys.exit(1)
 
   OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
-  OPTIONS.info_dict = common.LoadInfoDict(input_zip)
-
-  # If this image was originally labelled with SELinux contexts, make sure we
-  # also apply the labels in our new image. During building, the "file_contexts"
-  # is in the out/ directory tree, but for repacking from target-files.zip it's
-  # in the root directory of the ramdisk.
-  if "selinux_fc" in OPTIONS.info_dict:
-    OPTIONS.info_dict["selinux_fc"] = os.path.join(OPTIONS.input_tmp, "BOOT", "RAMDISK",
-        "file_contexts")
-
   output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
+  CopyInfo(output_zip)
 
-  boot_image = common.GetBootableImage(
-      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
-  if boot_image:
-      boot_image.AddToZip(output_zip)
-  recovery_image = common.GetBootableImage(
-      "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
-  if recovery_image:
-    recovery_image.AddToZip(output_zip)
+  try:
+    done = False
+    images_path = os.path.join(OPTIONS.input_tmp, "IMAGES")
+    if os.path.exists(images_path):
+      # If this is a new target-files, it already contains the images,
+      # and all we have to do is copy them to the output zip.
+      images = os.listdir(images_path)
+      if images:
+        for i in images:
+          if bootable_only and i not in ("boot.img", "recovery.img"): continue
+          if not i.endswith(".img"): continue
+          with open(os.path.join(images_path, i), "r") as f:
+            common.ZipWriteStr(output_zip, i, f.read())
+        done = True
 
-  def banner(s):
-    print "\n\n++++ " + s + " ++++\n\n"
+    if not done:
+      # We have an old target-files that doesn't already contain the
+      # images, so build them.
+      import add_img_to_target_files
 
-  if not bootable_only:
-    banner("AddSystem")
-    AddSystem(output_zip)
-    try:
-      input_zip.getinfo("VENDOR/")
-      banner("AddVendor")
-      AddVendor(output_zip)
-    except KeyError:
-      pass   # no vendor partition for this device
-    banner("AddUserdata")
-    AddUserdata(output_zip)
-    banner("AddCache")
-    AddCache(output_zip)
-    CopyInfo(output_zip)
+      OPTIONS.info_dict = common.LoadInfoDict(input_zip)
 
-  print "cleaning up..."
-  output_zip.close()
-  shutil.rmtree(OPTIONS.input_tmp)
+      # If this image was originally labelled with SELinux contexts,
+      # make sure we also apply the labels in our new image. During
+      # building, the "file_contexts" is in the out/ directory tree,
+      # but for repacking from target-files.zip it's in the root
+      # directory of the ramdisk.
+      if "selinux_fc" in OPTIONS.info_dict:
+        OPTIONS.info_dict["selinux_fc"] = os.path.join(
+            OPTIONS.input_tmp, "BOOT", "RAMDISK", "file_contexts")
+
+      boot_image = common.GetBootableImage(
+          "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+      if boot_image:
+          boot_image.AddToZip(output_zip)
+      recovery_image = common.GetBootableImage(
+          "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+      if recovery_image:
+        recovery_image.AddToZip(output_zip)
+
+      def banner(s):
+        print "\n\n++++ " + s + " ++++\n\n"
+
+      if not bootable_only:
+        banner("AddSystem")
+        add_img_to_target_files.AddSystem(output_zip, prefix="")
+        try:
+          input_zip.getinfo("VENDOR/")
+          banner("AddVendor")
+          add_img_to_target_files.AddVendor(output_zip, prefix="")
+        except KeyError:
+          pass   # no vendor partition for this device
+        banner("AddUserdata")
+        add_img_to_target_files.AddUserdata(output_zip, prefix="")
+        banner("AddCache")
+        add_img_to_target_files.AddCache(output_zip, prefix="")
+
+  finally:
+    print "cleaning up..."
+    output_zip.close()
+    shutil.rmtree(OPTIONS.input_tmp)
 
   print "done."
 
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
index 5f2354c..9f70167 100755
--- a/tools/releasetools/ota_from_target_files
+++ b/tools/releasetools/ota_from_target_files
@@ -98,7 +98,6 @@
   from sha import sha as sha1
 
 import common
-import img_from_target_files
 import edify_generator
 import build_image
 
@@ -118,6 +117,7 @@
 OPTIONS.block_based = False
 OPTIONS.updater_binary = None
 OPTIONS.oem_source = None
+OPTIONS.fallback_to_full = True
 
 def MostPopularKey(d, default):
   """Given a dict, return the key corresponding to the largest
@@ -418,6 +418,63 @@
     GetOemProperty("ro.product.device", oem_props, oem_dict, info_dict),
     GetBuildProp("ro.build.thumbprint", info_dict))
 
+def GetImage(which, tmpdir, info_dict):
+  # Return (mapdata, data) for the given image.  which should be
+  # "system" or "vendor".
+
+  assert which in ("system", "vendor")
+
+  path = os.path.join(tmpdir, "IMAGES", which + ".img")
+  if os.path.exists(path):
+    print "using %s.img from target-files" % (which,)
+
+    # This is a 'new' target-files, which already has the image in it.
+    # The image is a sparse image, though, so we need to unsparse it
+    # and extract the map data.
+
+    success, name = build_image.UnsparseImage(path, replace=False)
+    if not success:
+      assert False, "unsparsing " + which + ".img failed"
+
+    mmap = tempfile.NamedTemporaryFile()
+    mimg = tempfile.NamedTemporaryFile(delete=False)
+    success = build_image.MappedUnsparseImage(
+        path, name, mmap.name, mimg.name)
+    if not success:
+      assert False, "creating sparse map failed"
+    os.unlink(name)
+    name = mimg.name
+
+    with open(mmap.name) as f:
+      mapdata = f.read()
+
+    try:
+      with open(name) as f:
+        data = f.read()
+    finally:
+      os.unlink(name)
+
+    print "unsparsed data sha1 is " + sha1(data).hexdigest()
+    return mapdata, data
+
+  else:
+    print "building %s.img from target-files" % (which,)
+
+    # This is an 'old' target-files, which does not contain images
+    # already built.  Build them.
+
+    import add_img_to_target_files
+    if which == "system":
+      mapdata, data = add_img_to_target_files.BuildSystem(
+          tmpdir, info_dict, sparse=False, map_file=True)
+    elif which == "vendor":
+      mapdata, data = add_img_to_target_files.BuildVendor(
+          tmpdir, info_dict, sparse=False, map_file=True)
+
+    print "built data sha1 is " + sha1(data).hexdigest()
+    return mapdata, data
+
+
 def WriteFullOTAPackage(input_zip, output_zip):
   # TODO: how to determine this?  We don't know what version it will
   # be installed on top of.  For now, we expect the API just won't
@@ -514,9 +571,7 @@
   system_items = ItemSet("system", "META/filesystem_config.txt")
   script.ShowProgress(system_progress, 0)
   if block_based:
-    mapdata, data = img_from_target_files.BuildSystem(
-        OPTIONS.input_tmp, OPTIONS.info_dict,
-        sparse=False, map_file=True)
+    mapdata, data = GetImage("system", OPTIONS.input_tmp, OPTIONS.info_dict)
 
     common.ZipWriteStr(output_zip, "system.map", mapdata)
     common.ZipWriteStr(output_zip, "system.muimg", data)
@@ -551,9 +606,7 @@
     script.ShowProgress(0.1, 0)
 
     if block_based:
-      mapdata, data = img_from_target_files.BuildVendor(
-          OPTIONS.input_tmp, OPTIONS.info_dict,
-          sparse=False, map_file=True)
+      mapdata, data = GetImage("vendor", OPTIONS.input_tmp, OPTIONS.info_dict)
 
       common.ZipWriteStr(output_zip, "vendor.map", mapdata)
       common.ZipWriteStr(output_zip, "vendor.muimg", data)
@@ -647,14 +700,14 @@
     dirs.pop()
 
 class BlockDifference:
-  def __init__(self, partition, builder, output_zip):
+  def __init__(self, partition, output_zip):
     with tempfile.NamedTemporaryFile() as src_file:
       with tempfile.NamedTemporaryFile() as tgt_file:
         print "building source " + partition + " image..."
         src_file = tempfile.NamedTemporaryFile()
-        src_mapdata, src_data = builder(OPTIONS.source_tmp,
-                                        OPTIONS.source_info_dict,
-                                        sparse=False, map_file=True)
+        src_mapdata, src_data = GetImage(partition,
+                                         OPTIONS.source_tmp,
+                                         OPTIONS.source_info_dict)
 
         self.src_sha1 = sha1(src_data).hexdigest()
         print "source " + partition + " sha1:", self.src_sha1
@@ -662,9 +715,9 @@
 
         print "building target " + partition + " image..."
         tgt_file = tempfile.NamedTemporaryFile()
-        tgt_mapdata, tgt_data = builder(OPTIONS.target_tmp,
-                                        OPTIONS.target_info_dict,
-                                        sparse=False, map_file=True)
+        tgt_mapdata, tgt_data = GetImage(partition,
+                                         OPTIONS.target_tmp,
+                                         OPTIONS.target_info_dict)
         self.tgt_sha1 = sha1(tgt_data).hexdigest()
         print "target " + partition + " sha1:", self.tgt_sha1
         tgt_len = len(tgt_data)
@@ -731,13 +784,11 @@
       "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
   updating_recovery = (source_recovery.data != target_recovery.data)
 
-  system_diff = BlockDifference("system", img_from_target_files.BuildSystem,
-                                output_zip)
+  system_diff = BlockDifference("system", output_zip)
   if HasVendorPartition(target_zip):
     if not HasVendorPartition(source_zip):
       raise RuntimeError("can't generate incremental that adds /vendor")
-    vendor_diff = BlockDifference("vendor", img_from_target_files.BuildVendor,
-                                  output_zip)
+    vendor_diff = BlockDifference("vendor", output_zip)
 
   oem_props = OPTIONS.target_info_dict.get("oem_fingerprint_properties")
   oem_dict = None
@@ -802,19 +853,24 @@
         GetBuildProp("ro.build.thumbprint", OPTIONS.source_info_dict))
 
   if updating_boot:
+    boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
     d = common.Difference(target_boot, source_boot)
     _, _, d = d.ComputePatch()
-    print "boot      target: %d  source: %d  diff: %d" % (
-        target_boot.size, source_boot.size, len(d))
+    if d is None:
+      include_full_boot = True
+      common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
+    else:
+      include_full_boot = False
 
-    common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
+      print "boot      target: %d  source: %d  diff: %d" % (
+          target_boot.size, source_boot.size, len(d))
 
-    boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
+      common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
 
-    script.PatchCheck("%s:%s:%d:%s:%d:%s" %
-                      (boot_type, boot_device,
-                       source_boot.size, source_boot.sha1,
-                       target_boot.size, target_boot.sha1))
+      script.PatchCheck("%s:%s:%d:%s:%d:%s" %
+                        (boot_type, boot_device,
+                         source_boot.size, source_boot.sha1,
+                         target_boot.size, target_boot.sha1))
 
   device_specific.IncrementalOTA_VerifyEnd()
 
@@ -855,19 +911,24 @@
 
   if not OPTIONS.two_step:
     if updating_boot:
-      # Produce the boot image by applying a patch to the current
-      # contents of the boot partition, and write it back to the
-      # partition.
-      script.Print("Patching boot image...")
-      script.ShowProgress(0.1, 10)
-      script.ApplyPatch("%s:%s:%d:%s:%d:%s"
-                        % (boot_type, boot_device,
-                           source_boot.size, source_boot.sha1,
-                           target_boot.size, target_boot.sha1),
-                        "-",
-                        target_boot.size, target_boot.sha1,
-                        source_boot.sha1, "patch/boot.img.p")
-      print "boot image changed; including."
+      if include_full_boot:
+        print "boot image changed; including full."
+        script.Print("Installing boot image...")
+        script.WriteRawImage("/boot", "boot.img")
+      else:
+        # Produce the boot image by applying a patch to the current
+        # contents of the boot partition, and write it back to the
+        # partition.
+        print "boot image changed; including patch."
+        script.Print("Patching boot image...")
+        script.ShowProgress(0.1, 10)
+        script.ApplyPatch("%s:%s:%d:%s:%d:%s"
+                          % (boot_type, boot_device,
+                             source_boot.size, source_boot.sha1,
+                             target_boot.size, target_boot.sha1),
+                          "-",
+                          target_boot.size, target_boot.sha1,
+                          source_boot.sha1, "patch/boot.img.p")
     else:
       print "boot image unchanged; skipping."
 
@@ -1439,6 +1500,8 @@
       OPTIONS.block_based = True
     elif o in ("-b", "--binary"):
       OPTIONS.updater_binary = a
+    elif o in ("--no_fallback_to_full",):
+      OPTIONS.fallback_to_full = False
     else:
       return False
     return True
@@ -1458,6 +1521,7 @@
                                               "block",
                                               "binary=",
                                               "oem_settings=",
+                                              "no_fallback_to_full",
                                               ],
                              extra_option_handler=option_handler)
 
@@ -1504,35 +1568,47 @@
   if OPTIONS.device_specific is not None:
     OPTIONS.device_specific = os.path.abspath(OPTIONS.device_specific)
 
-  if OPTIONS.no_signing:
-    output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
-  else:
-    temp_zip_file = tempfile.NamedTemporaryFile()
-    output_zip = zipfile.ZipFile(temp_zip_file, "w",
-                                 compression=zipfile.ZIP_DEFLATED)
+  while True:
 
-  if OPTIONS.incremental_source is None:
-    WriteFullOTAPackage(input_zip, output_zip)
-    if OPTIONS.package_key is None:
-      OPTIONS.package_key = OPTIONS.info_dict.get(
-          "default_system_dev_certificate",
-          "build/target/product/security/testkey")
-  else:
-    print "unzipping source target-files..."
-    OPTIONS.source_tmp, source_zip = common.UnzipTemp(OPTIONS.incremental_source)
-    OPTIONS.target_info_dict = OPTIONS.info_dict
-    OPTIONS.source_info_dict = common.LoadInfoDict(source_zip)
-    if "selinux_fc" in OPTIONS.source_info_dict:
-      OPTIONS.source_info_dict["selinux_fc"] = os.path.join(OPTIONS.source_tmp, "BOOT", "RAMDISK",
-                                                            "file_contexts")
-    if OPTIONS.package_key is None:
-      OPTIONS.package_key = OPTIONS.source_info_dict.get(
-          "default_system_dev_certificate",
-          "build/target/product/security/testkey")
-    if OPTIONS.verbose:
-      print "--- source info ---"
-      common.DumpInfoDict(OPTIONS.source_info_dict)
-    WriteIncrementalOTAPackage(input_zip, source_zip, output_zip)
+    if OPTIONS.no_signing:
+      if os.path.exists(args[1]): os.unlink(args[1])
+      output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
+    else:
+      temp_zip_file = tempfile.NamedTemporaryFile()
+      output_zip = zipfile.ZipFile(temp_zip_file, "w",
+                                   compression=zipfile.ZIP_DEFLATED)
+
+    if OPTIONS.incremental_source is None:
+      WriteFullOTAPackage(input_zip, output_zip)
+      if OPTIONS.package_key is None:
+        OPTIONS.package_key = OPTIONS.info_dict.get(
+            "default_system_dev_certificate",
+            "build/target/product/security/testkey")
+      break
+
+    else:
+      print "unzipping source target-files..."
+      OPTIONS.source_tmp, source_zip = common.UnzipTemp(OPTIONS.incremental_source)
+      OPTIONS.target_info_dict = OPTIONS.info_dict
+      OPTIONS.source_info_dict = common.LoadInfoDict(source_zip)
+      if "selinux_fc" in OPTIONS.source_info_dict:
+        OPTIONS.source_info_dict["selinux_fc"] = os.path.join(OPTIONS.source_tmp, "BOOT", "RAMDISK",
+                                                              "file_contexts")
+      if OPTIONS.package_key is None:
+        OPTIONS.package_key = OPTIONS.source_info_dict.get(
+            "default_system_dev_certificate",
+            "build/target/product/security/testkey")
+      if OPTIONS.verbose:
+        print "--- source info ---"
+        common.DumpInfoDict(OPTIONS.source_info_dict)
+      try:
+        WriteIncrementalOTAPackage(input_zip, source_zip, output_zip)
+        break
+      except ValueError:
+        if not OPTIONS.fallback_to_full: raise
+        print "--- failed to build incremental; falling back to full ---"
+        OPTIONS.incremental_source = None
+        output_zip.close()
 
   output_zip.close()
 
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
index 0ecb906..cba0668 100755
--- a/tools/releasetools/sign_target_files_apks
+++ b/tools/releasetools/sign_target_files_apks
@@ -82,6 +82,7 @@
 import tempfile
 import zipfile
 
+import add_img_to_target_files
 import common
 
 OPTIONS = common.OPTIONS
@@ -166,6 +167,8 @@
           f.write(data)
 
   for info in input_tf_zip.infolist():
+    if info.filename.startswith("IMAGES/"): continue
+
     data = input_tf_zip.read(info.filename)
     out_info = copy.copy(info)
 
@@ -448,6 +451,8 @@
   input_zip.close()
   output_zip.close()
 
+  add_img_to_target_files.AddImagesToTargetFiles(args[1])
+
   print "done."