Merge "Add HOST_PREFER_32_BIT to support 32-bit-by-default multilib build"
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 227169d..9c5311d 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -34,9 +34,14 @@
 
 CLANG_CONFIG_UNKNOWN_CFLAGS := \
   -funswitch-loops \
+  -fno-tree-sra \
+  -finline-limit=64 \
   -Wno-psabi \
   -Wno-unused-but-set-variable \
   -Wno-unused-but-set-parameter \
+  -Wmaybe-uninitialized \
+  -Wno-maybe-uninitialized \
+  -Wno-error=maybe-uninitialized \
   -fno-canonical-system-headers
 
 # Clang flags for all host rules
diff --git a/core/config.mk b/core/config.mk
index b91ff7f..7150380 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -579,6 +579,9 @@
 # This is the standard way to name a directory containing prebuilt target
 # objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
 TARGET_PREBUILT_TAG := android-$(TARGET_ARCH)
+ifdef TARGET_2ND_ARCH
+TARGET_2ND_PREBUILT_TAG := android-$(TARGET_2ND_ARCH)
+endif
 
 # Set up RS prebuilt variables for compatibility library
 
diff --git a/core/definitions.mk b/core/definitions.mk
index 44336f2..e35d36f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1680,10 +1680,10 @@
 # so we need to give it something.
 define create-empty-package
 @mkdir -p $(dir $@)
-$(hide) touch $(dir $@)/dummy
+$(hide) touch $(dir $@)dummy
 $(hide) (cd $(dir $@) && jar cf $(notdir $@) dummy)
 $(hide) zip -qd $@ dummy
-$(hide) rm $(dir $@)/dummy
+$(hide) rm $(dir $@)dummy
 endef
 
 #TODO: we kinda want to build different asset packages for
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 6d70dde..db23140 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -103,11 +103,10 @@
 my_dex_preopt_image_location := $($(LOCAL_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_BUILT_IMAGE_LOCATION)
 endif
 my_dex_preopt_image_filename := $(call get-image-file-path,$($(LOCAL_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH),$(my_dex_preopt_image_location))
-# $(built_odex) is byproduct of $(LOCAL_BUILT_MODULE)
-$(LOCAL_BUILT_MODULE) $(built_odex): PRIVATE_2ND_ARCH_VAR_PREFIX := $(LOCAL_2ND_ARCH_VAR_PREFIX)
-$(LOCAL_BUILT_MODULE) $(built_odex): PRIVATE_DEX_LOCATION := $(patsubst $(PRODUCT_OUT)%,%,$(LOCAL_INSTALLED_MODULE))
-$(LOCAL_BUILT_MODULE) $(built_odex): PRIVATE_DEX_PREOPT_IMAGE_LOCATION := $(my_dex_preopt_image_location)
-$(LOCAL_BUILT_MODULE) $(built_odex) : $($(LOCAL_2ND_ARCH_VAR_PREFIX)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT) \
+$(built_odex): PRIVATE_2ND_ARCH_VAR_PREFIX := $(LOCAL_2ND_ARCH_VAR_PREFIX)
+$(built_odex): PRIVATE_DEX_LOCATION := $(patsubst $(PRODUCT_OUT)%,%,$(LOCAL_INSTALLED_MODULE))
+$(built_odex): PRIVATE_DEX_PREOPT_IMAGE_LOCATION := $(my_dex_preopt_image_location)
+$(built_odex) : $($(LOCAL_2ND_ARCH_VAR_PREFIX)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT) \
                 $(DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS) \
                 $(my_dex_preopt_image_filename)
 installed_odex := $(call get-odex-file-path,$($(LOCAL_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH),$(LOCAL_INSTALLED_MODULE))
@@ -116,13 +115,11 @@
 endif # boot jar
 
 ifdef built_odex
-# We need $(LOCAL_BUILT_MODULE) in the deps to enforce reinstallation
-# even if $(built_odex) is byproduct of $(LOCAL_BUILT_MODULE), such as in package.mk.
 # Use pattern rule - we may have multiple installed odex files.
 # Ugly syntax - See the definition get-odex-file-path.
 $(installed_odex) : $(dir $(LOCAL_INSTALLED_MODULE))%/$(notdir $(word 1,$(installed_odex))) \
                   : $(dir $(LOCAL_BUILT_MODULE))%/$(notdir $(word 1,$(built_odex))) \
-    $(LOCAL_BUILT_MODULE) | $(ACP)
+    | $(ACP)
 	@echo "Install: $@"
 	$(copy-file-to-target)
 endif
diff --git a/core/package_internal.mk b/core/package_internal.mk
index f8d2f43..cb1e424 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -336,12 +336,6 @@
 
 # Define the rule to build the actual package.
 $(LOCAL_BUILT_MODULE): $(AAPT) | $(ZIPALIGN)
-ifdef LOCAL_DEX_PREOPT
-$(LOCAL_BUILT_MODULE): PRIVATE_BUILT_ODEX := $(built_odex)
-
-# built_odex is byproduct of LOCAL_BUILT_MODULE without its own build recipe.
-$(built_odex) : $(LOCAL_BUILT_MODULE)
-endif
 $(LOCAL_BUILT_MODULE): PRIVATE_JNI_SHARED_LIBRARIES := $(jni_shared_libraries)
 $(LOCAL_BUILT_MODULE): PRIVATE_JNI_SHARED_LIBRARIES_ABI := $(jni_shared_libraries_abi)
 ifneq ($(TARGET_BUILD_APPS),)
@@ -371,7 +365,6 @@
 endif
 	$(sign-package)
 ifdef LOCAL_DEX_PREOPT
-	$(call dexpreopt-one-file,$@,$(PRIVATE_BUILT_ODEX))
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
 	$(call dexpreopt-remove-classes.dex,$@)
 endif
@@ -379,6 +372,18 @@
 	@# Alignment must happen after all other zip operations.
 	$(align-package)
 
+###############################
+## Rule to build the odex file
+ifdef LOCAL_DEX_PREOPT
+$(built_odex): PRIVATE_DEX_FILE := $(built_dex)
+$(built_odex) : $(built_dex)
+	$(create-empty-package)
+	$(add-dex-to-package)
+	$(hide) mv $@ $@.input
+	$(call dexpreopt-one-file,$@.input,$@)
+	$(hide) rm $@.input
+endif
+
 # Save information about this package
 PACKAGES.$(LOCAL_PACKAGE_NAME).OVERRIDES := $(strip $(LOCAL_OVERRIDES_PACKAGES))
 PACKAGES.$(LOCAL_PACKAGE_NAME).RESOURCE_FILES := $(all_resources)
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index 6fe9818..7229b3a 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -162,11 +162,6 @@
 # defines built_odex along with rule to install odex
 include $(BUILD_SYSTEM)/dex_preopt_odex_install.mk
 #######################################
-ifdef LOCAL_DEX_PREOPT
-$(built_module): PRIVATE_BUILT_ODEX := $(built_odex)
-# built_odex is byproduct of LOCAL_BUILT_MODULE without its own build recipe.
-$(built_odex) : $(LOCAL_BUILT_MODULE)
-endif # LOCAL_DEX_PREOPT
 # Sign and align non-presigned .apks.
 $(built_module) : $(my_prebuilt_src_file) | $(ACP) $(ZIPALIGN) $(SIGNAPK_JAR)
 	$(transform-prebuilt-to-target)
@@ -177,10 +172,19 @@
 	$(sign-package)
 endif
 ifdef LOCAL_DEX_PREOPT
-	$(call dexpreopt-one-file,$@,$(PRIVATE_BUILT_ODEX))
+ifneq (nostripping,$(LOCAL_DEX_PREOPT))
+	$(call dexpreopt-remove-classes.dex,$@)
+endif
 endif
 	$(align-package)
 
+###############################
+## Rule to build the odex file
+ifdef LOCAL_DEX_PREOPT
+$(built_odex) : $(my_prebuilt_src_file)
+	$(call dexpreopt-one-file,$<,$@)
+endif
+
 else # LOCAL_MODULE_CLASS != APPS
 ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
 $(built_module) : $(my_prebuilt_src_file)
diff --git a/core/shared_library.mk b/core/shared_library.mk
index 178e625..71a3bb2 100644
--- a/core/shared_library.mk
+++ b/core/shared_library.mk
@@ -1,3 +1,12 @@
+my_prefix := TARGET_
+include $(BUILD_SYSTEM)/multilib.mk
+
+ifndef my_module_multilib
+# libraries default to building for both architecturess
+my_module_multilib := both
+endif
+
+ifeq ($(my_module_multilib),both)
 ifneq ($(LOCAL_MODULE_PATH),)
 ifneq ($(TARGET_2ND_ARCH),)
 $(warning $(LOCAL_MODULE): LOCAL_MODULE_PATH for shared libraries is unsupported in multiarch builds, use LOCAL_MODULE_RELATIVE_PATH instead)
@@ -9,14 +18,8 @@
 $(warning $(LOCAL_MODULE): LOCAL_UNSTRIPPED_PATH for shared libraries is unsupported in multiarch builds)
 endif
 endif
+endif # my_module_multilib == both
 
-my_prefix := TARGET_
-include $(BUILD_SYSTEM)/multilib.mk
-
-ifndef my_module_multilib
-# libraries default to building for both architecturess
-my_module_multilib := both
-endif
 
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 include $(BUILD_SYSTEM)/module_arch_supported.mk
diff --git a/envsetup.sh b/envsetup.sh
index 9670a7f..6c25ebe 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -120,6 +120,7 @@
 
     # defined in core/config.mk
     targetgccversion=$(get_build_var TARGET_GCC_VERSION)
+    targetgccversion2=$(get_build_var 2ND_TARGET_GCC_VERSION)
     export TARGET_GCC_VERSION=$targetgccversion
 
     # The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it.
@@ -134,7 +135,7 @@
         arm) toolchaindir=arm/arm-linux-androideabi-$targetgccversion/bin
             ;;
         arm64) toolchaindir=aarch64/aarch64-linux-android-$targetgccversion/bin;
-               toolchaindir2=arm/arm-linux-androideabi-$targetgccversion/bin
+               toolchaindir2=arm/arm-linux-androideabi-$targetgccversion2/bin
             ;;
         mips) toolchaindir=mips/mipsel-linux-android-$targetgccversion/bin
             ;;
@@ -170,7 +171,7 @@
 
     export ANDROID_QTOOLS=$T/development/emulator/qtools
     export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools
-    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
+    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
 
     # If prebuilts/android-emulator/<system>/ exists, prepend it to our PATH
     # to ensure that the corresponding 'emulator' binaries are used.
@@ -976,6 +977,7 @@
    local OUT_ROOT=$(get_abs_build_var PRODUCT_OUT)
    local OUT_SYMBOLS=$(get_abs_build_var TARGET_OUT_UNSTRIPPED)
    local OUT_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)
+   local OUT_VENDOR_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_VENDOR_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=$(get_build_var TARGET_ARCH)
@@ -1040,7 +1042,7 @@
        OUT_SO_SYMBOLS=$OUT_SO_SYMBOLS$USE64BIT
 
        echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $OUT_SYMBOLS"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx"
+       echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl"
        echo >>"$OUT_ROOT/gdbclient.cmds" "source $ANDROID_BUILD_TOP/development/scripts/gdb/dalvik.gdb"
        echo >>"$OUT_ROOT/gdbclient.cmds" "target remote $PORT"
        echo >>"$OUT_ROOT/gdbclient.cmds" ""
diff --git a/target/product/base.mk b/target/product/base.mk
index 0bc1366..8aa3bc0 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -56,7 +56,6 @@
     libmedia_jni \
     libmediaplayerservice \
     libmtp \
-    libnetd_client \
     libnetlink \
     libnetutils \
     libpac \
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 60a19da..5d86861 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -38,7 +38,6 @@
     libGLESv2 \
     libbinder \
     libc \
-    libctest \
     libcutils \
     libdl \
     libgui \