diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index f7722d2..c5b15bc 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -248,6 +248,7 @@
 	$(PRODUCT_OUT)/obj/JAVA_LIBRARIES \
 	$(PRODUCT_OUT)/obj/FAKE \
 	$(PRODUCT_OUT)/obj/EXECUTABLES/adbd_intermediates \
+	$(PRODUCT_OUT)/obj/EXECUTABLES/logd_intermediates \
 	$(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libfs_mgr_intermediates \
 	$(PRODUCT_OUT)/obj/EXECUTABLES/init_intermediates \
 	$(PRODUCT_OUT)/obj/ETC/mac_permissions.xml_intermediates \
diff --git a/core/definitions.mk b/core/definitions.mk
index 4a6ec02..c40e6bc 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -501,7 +501,7 @@
     $(eval _idf2ndArchPrefix := $(if $(strip $(5)),$(TARGET_2ND_ARCH_VAR_PREFIX))) \
     $(if $(filter $(_idfPrefix)-$(_idfClass),$(COMMON_MODULE_CLASSES))$(4), \
         $(eval _idfIntBase := $($(_idfPrefix)_OUT_COMMON_INTERMEDIATES)) \
-      ,$(if $(filter $(_idfClass),SHARED_LIBRARIES STATIC_LIBRARIES EXECUTABLES GYP),\
+      ,$(if $(filter $(_idfClass),$(PER_ARCH_MODULE_CLASSES)),\
           $(eval _idfIntBase := $($(_idf2ndArchPrefix)$(_idfPrefix)_OUT_INTERMEDIATES)) \
        ,$(eval _idfIntBase := $($(_idfPrefix)_OUT_INTERMEDIATES)) \
        ) \
diff --git a/core/envsetup.mk b/core/envsetup.mk
index ae63ae7..4456809 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -237,6 +237,7 @@
 
 HOST_OUT_EXECUTABLES := $(HOST_OUT)/bin
 HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib64
+HOST_OUT_RENDERSCRIPT_BITCODE := $(HOST_OUT_SHARED_LIBRARIES)
 HOST_OUT_JAVA_LIBRARIES := $(HOST_OUT)/framework
 HOST_OUT_SDK_ADDON := $(HOST_OUT)/sdk_addon
 
@@ -309,6 +310,7 @@
 else
 TARGET_OUT_SHARED_LIBRARIES := $(target_out_shared_libraries_base)/lib
 endif
+TARGET_OUT_RENDERSCRIPT_BITCODE := $(TARGET_OUT_SHARED_LIBRARIES)
 TARGET_OUT_JAVA_LIBRARIES := $(TARGET_OUT)/framework
 TARGET_OUT_APPS := $(TARGET_OUT)/app
 TARGET_OUT_APPS_PRIVILEGED := $(TARGET_OUT)/priv-app
@@ -324,6 +326,7 @@
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj_$(TARGET_2ND_ARCH)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES)/lib
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES := $(target_out_shared_libraries_base)/lib
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_RENDERSCRIPT_BITCODE := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_EXECUTABLES := $(TARGET_OUT_EXECUTABLES)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_APPS := $(TARGET_OUT_APPS)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_APPS_PRIVILEGED := $(TARGET_OUT_APPS_PRIVILEGED)
@@ -431,6 +434,7 @@
 TARGET_INSTALLER_SYSTEM_OUT := $(TARGET_INSTALLER_OUT)/root/system
 
 COMMON_MODULE_CLASSES := TARGET-NOTICE_FILES HOST-NOTICE_FILES HOST-JAVA_LIBRARIES
+PER_ARCH_MODULE_CLASSES := SHARED_LIBRARIES STATIC_LIBRARIES EXECUTABLES GYP RENDERSCRIPT_BITCODE
 
 ifeq (,$(strip $(DIST_DIR)))
   DIST_DIR := $(OUT_DIR)/dist
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 683b8b8..c506969 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -125,7 +125,7 @@
 $(built_dex): PRIVATE_CLASSES_JACK := $(full_classes_jack)
 $(built_dex): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
 $(built_dex): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
-$(built_dex): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
+$(built_dex): $(java_sources) $(java_resource_sources) $(full_jack_deps) \
         $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK) | setup-jack-server
 	@echo Building with Jack: $@
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index 47ca002..e6638be 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -47,7 +47,7 @@
 $(full_classes_jack): \
 	PRIVATE_JACK_INCREMENTAL_DIR :=
 endif
-$(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
+$(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_deps) \
         $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
         $(JACK) | setup-jack-server
diff --git a/core/java.mk b/core/java.mk
index 9b8ee12..705860b 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -466,6 +466,7 @@
     $(error invalid value for LOCAL_PROGUARD_ENABLED: $(LOCAL_PROGUARD_ENABLED))
 endif
 proguard_dictionary := $(intermediates.COMMON)/proguard_dictionary
+jack_dictionary := $(intermediates.COMMON)/jack_dictionary
 
 # Hack: see b/20667396
 # When an app's LOCAL_SDK_VERSION is lower than the support library's LOCAL_SDK_VERSION,
@@ -489,9 +490,11 @@
 
 # jack already has the libraries in its classpath and doesn't support jars
 legacy_proguard_flags := $(addprefix -libraryjars ,$(my_support_library_sdk_raise) $(full_shared_java_libs))
-common_proguard_flags :=  \
-                  -forceprocessing \
-                  -printmapping $(proguard_dictionary)
+
+legacy_proguard_flags += -printmapping $(proguard_dictionary)
+jack_proguard_flags := -printmapping $(jack_dictionary)
+
+common_proguard_flags := -forceprocessing
 
 ifeq ($(filter nosystem,$(LOCAL_PROGUARD_ENABLED)),)
 common_proguard_flags += -include $(BUILD_SYSTEM)/proguard.flags
@@ -534,9 +537,9 @@
     -applymapping $(link_instr_intermediates_dir.COMMON)/proguard_dictionary \
     -verbose \
     $(legacy_proguard_flags)
-# not supported with jack
 ifdef LOCAL_JACK_ENABLED
-    $(error $(LOCAL_MODULE): Build with jack of instrumentation when obfuscating is not yet supported)
+jack_proguard_flags += -applymapping $(link_instr_intermediates_dir.COMMON)/jack_dictionary
+full_jack_deps += $(link_instr_intermediates_dir.COMMON)/jack_dictionary
 endif
 
 # Sometimes (test + main app) uses different keep rules from the main app -
@@ -645,7 +648,13 @@
     $(error $(LOCAL_MODULE): Build with jack when LOCAL_TEST_MODULE_TO_PROGUARD_WITH is defined is not yet implemented)
 endif
 
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS := $(common_proguard_flags) $(LOCAL_JACK_PROGUARD_FLAGS)
+# $(jack_dictionary) is just by-product of $(built_dex_intermediate).
+# The dummy command was added because, without it, make misses the fact the $(built_dex) also
+# change $(jack_dictionary).
+$(jack_dictionary): $(full_classes_jack)
+	$(hide) touch $@
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS := $(common_proguard_flags) $(jack_proguard_flags) $(LOCAL_JACK_PROGUARD_FLAGS)
 else  # LOCAL_PROGUARD_ENABLED not defined
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS :=
 endif # LOCAL_PROGUARD_ENABLED defined
@@ -653,7 +662,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
 
-jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
+jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_deps) \
         $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) $(proguard_flag_files) \
         $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
         $(LOCAL_MODULE_MAKEFILE_DEP) $(JACK)
diff --git a/core/java_common.mk b/core/java_common.mk
index 34c67dc..ddf2958 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -302,10 +302,10 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(my_bootclasspath)
 
 full_shared_jack_libs := $(call jack-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_jack_lib_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+full_jack_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
 # Turn off .toc optimization for apps build as we cannot build dexdump.
 ifeq (,$(TARGET_BUILD_APPS))
-full_jack_lib_deps := $(patsubst %.jack, %.dex.toc, $(full_jack_lib_deps))
+full_jack_deps := $(patsubst %.jack, %.dex.toc, $(full_jack_deps))
 endif
 
 else # LOCAL_IS_HOST_MODULE
@@ -317,16 +317,18 @@
 my_bootclasspath := $(call jack-lib-files,core-oj-hostdex,$(LOCAL_IS_HOST_MODULE)):$(call jack-lib-files,core-libart-hostdex,$(LOCAL_IS_HOST_MODULE))
 endif
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(my_bootclasspath)
+# Compiling against the final jack library. If we want to add support for obfuscated library
+# we'll need to change that to compile against the not obfuscated jack library.
 full_shared_jack_libs := $(call jack-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_jack_lib_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+full_jack_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
 else
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES :=
 full_shared_jack_libs := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_jack_lib_deps := $(full_shared_jack_libs)
+full_jack_deps := $(full_shared_jack_libs)
 endif # USE_CORE_LIB_BOOTCLASSPATH
 endif # !LOCAL_IS_HOST_MODULE
 full_jack_libs := $(full_shared_jack_libs) $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
-full_jack_lib_deps += $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
+full_jack_deps += $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
 
 ifndef LOCAL_IS_HOST_MODULE
 # This is set by packages that are linking to other packages that export
@@ -340,7 +342,7 @@
   # link against the jar with full original names (before proguard processing).
   full_shared_jack_libs += $(link_apk_jack_libraries)
   full_jack_libs += $(link_apk_jack_libraries)
-  full_jack_lib_deps += $(link_apk_jack_libraries)
+  full_jack_deps += $(link_apk_jack_libraries)
 endif
 
 # This is set by packages that contain instrumentation, allowing them to
@@ -350,7 +352,7 @@
    # link against the jar with full original names (before proguard processing).
    link_instr_classes_jack := $(link_instr_intermediates_dir.COMMON)/classes.noshrob.jack
    full_jack_libs += $(link_instr_classes_jack)
-   full_jack_lib_deps += $(link_instr_classes_jack)
+   full_jack_deps += $(link_instr_classes_jack)
 endif  # LOCAL_INSTRUMENTATION_FOR
 endif  # !LOCAL_IS_HOST_MODULE
 
diff --git a/tools/brillo-clang-format b/tools/brillo-clang-format
new file mode 100644
index 0000000..a69d9d2
--- /dev/null
+++ b/tools/brillo-clang-format
@@ -0,0 +1,37 @@
+#
+# Copyright (C) 2016 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.
+#
+
+### DO NOT COPY THIS FILE TO YOUR PROJECT. ###
+
+#
+# This is the .clang-format file used by all Brillo projects, conforming to the
+# style guide defined by Brillo. To use this file create a *relative* symlink in
+# your project pointing to this file, as this repository is expected to be
+# present in all manifests.
+#
+# See go/brillo-c++-style for details about the style guide.
+#
+
+BasedOnStyle: Google
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+BinPackArguments: false
+BinPackParameters: false
+CommentPragmas: NOLINT:.*
+DerivePointerAlignment: false
+PointerAlignment: Left
+TabWidth: 2
diff --git a/tools/makeparallel/makeparallel.cpp b/tools/makeparallel/makeparallel.cpp
index cf125fa..3c39846 100644
--- a/tools/makeparallel/makeparallel.cpp
+++ b/tools/makeparallel/makeparallel.cpp
@@ -341,6 +341,8 @@
     error(errno, errno, "fork failed");
   } else if (pid == 0) {
     // child
+    unsetenv("MAKEFLAGS");
+    unsetenv("MAKELEVEL");
     int ret = execvp(path, args.data());
     if (ret < 0) {
       error(errno, errno, "exec %s failed", path);