diff --git a/core/Makefile b/core/Makefile
index c41bedd..b25fd9e 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -678,7 +678,7 @@
 $(target_notice_file_html_gz): $(target_notice_file_html) | $(MINIGZIP)
 	$(hide) $(MINIGZIP) -9 < $< > $@
 installed_notice_html_gz := $(TARGET_OUT)/etc/NOTICE.html.gz
-$(installed_notice_html_gz): $(target_notice_file_html_gz) | $(ACP)
+$(installed_notice_html_gz): $(target_notice_file_html_gz)
 	$(copy-file-to-target)
 
 # if we've been run my mm, mmm, etc, don't reinstall this every time
@@ -1158,7 +1158,7 @@
 endif
 
 
-$(INSTALLED_SYSTEMIMAGE): $(BUILT_SYSTEMIMAGE) $(RECOVERY_FROM_BOOT_PATCH) | $(ACP)
+$(INSTALLED_SYSTEMIMAGE): $(BUILT_SYSTEMIMAGE) $(RECOVERY_FROM_BOOT_PATCH)
 	@echo "Install system fs image: $@"
 	$(copy-file-to-target)
 	$(hide) $(call assert-max-image-size,$@ $(RECOVERY_FROM_BOOT_PATCH),$(BOARD_SYSTEMIMAGE_PARTITION_SIZE))
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 6722af4..f6ca64d 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -56,7 +56,6 @@
   my_module_tags :=
 endif
 
-ifdef BUILDING_WITH_NINJA
 # Ninja has an implicit dependency on the command being run, and kati will
 # regenerate the ninja manifest if any read makefile changes, so there is no
 # need to have dependencies on makefiles.
@@ -64,7 +63,6 @@
 # a .mk file, because a few users of LOCAL_ADDITIONAL_DEPENDENCIES don't include
 # base_rules.mk, but it will fix the most common ones.
 LOCAL_ADDITIONAL_DEPENDENCIES := $(filter-out %.mk,$(LOCAL_ADDITIONAL_DEPENDENCIES))
-endif
 
 ###########################################################
 ## Validate and define fallbacks for input LOCAL_* variables.
@@ -301,45 +299,30 @@
 ## Module installation rule
 ###########################################################
 
-# Some hosts do not have ACP; override the LOCAL version if that's the case.
-ifneq ($(strip $(HOST_ACP_UNAVAILABLE)),)
-  LOCAL_ACP_UNAVAILABLE := $(strip $(HOST_ACP_UNAVAILABLE))
-endif
-
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
-  # Define a copy rule to install the module.
-  # acp and libraries that it uses can't use acp for
-  # installation;  hence, LOCAL_ACP_UNAVAILABLE.
 $(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := $(LOCAL_POST_INSTALL_CMD)
-ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
-$(LOCAL_INSTALLED_MODULE): $(LOCAL_BUILT_MODULE) | $(ACP)
+$(LOCAL_INSTALLED_MODULE): $(LOCAL_BUILT_MODULE)
 	@echo "Install: $@"
 	$(copy-file-to-new-target)
 	$(PRIVATE_POST_INSTALL_CMD)
-else
-$(LOCAL_INSTALLED_MODULE): $(LOCAL_BUILT_MODULE)
-	@echo "Install: $@"
-	$(copy-file-to-target-with-cp)
-endif
 
 # Rule to install the module's companion init.rc.
-my_init_rc := $(LOCAL_INIT_RC_$(my_32_64_bit_suffix))
-my_init_rc_src :=
 my_init_rc_installed :=
-ifndef my_init_rc
-my_init_rc := $(LOCAL_INIT_RC)
+my_init_rc_pairs :=
+my_init_rc := $(LOCAL_INIT_RC_$(my_32_64_bit_suffix))
+ifneq ($(my_init_rc),)
+my_init_rc_pairs += $(LOCAL_PATH)/$(my_init_rc):$(TARGET_OUT$(partition_tag)_ETC)/init/$(notdir $(my_init_rc))
+endif
+ifneq ($(LOCAL_INIT_RC),)
+my_init_rc_pairs += $(LOCAL_PATH)/$(LOCAL_INIT_RC):$(TARGET_OUT$(partition_tag)_ETC)/init/$(notdir $(LOCAL_INIT_RC))
 # Make sure we don't define the rule twice in multilib module.
 LOCAL_INIT_RC :=
 endif
-ifdef my_init_rc
-my_init_rc_src := $(LOCAL_PATH)/$(my_init_rc)
-my_init_rc_installed := $(TARGET_OUT$(partition_tag)_ETC)/init/$(notdir $(my_init_rc_src))
-$(my_init_rc_installed) : $(my_init_rc_src) | $(ACP)
-	@echo "Install: $@"
-	$(copy-file-to-new-target)
+ifneq ($(my_init_rc_pairs),)
+my_init_rc_installed := $(call copy-many-files,$(my_init_rc_pairs))
 
 $(my_register_name) : $(my_init_rc_installed)
-endif # my_init_rc
+endif # my_init_rc_pairs
 endif # !LOCAL_UNINSTALLABLE_MODULE
 
 ###########################################################
@@ -436,7 +419,7 @@
 ALL_MODULES.$(my_register_name).BUILT_INSTALLED := \
     $(strip $(ALL_MODULES.$(my_register_name).BUILT_INSTALLED) \
     $(LOCAL_BUILT_MODULE):$(LOCAL_INSTALLED_MODULE) \
-    $(addprefix $(my_init_rc_src):,$(my_init_rc_installed)))
+    $(my_init_rc_pairs))
 endif
 ifdef LOCAL_PICKUP_FILES
 # Files or directories ready to pick up by the build system
diff --git a/core/binary.mk b/core/binary.mk
index d128c79..6943ac0 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -53,7 +53,7 @@
 my_c_includes := $(LOCAL_C_INCLUDES)
 my_generated_sources := $(LOCAL_GENERATED_SOURCES)
 my_native_coverage := $(LOCAL_NATIVE_COVERAGE)
-my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+my_additional_dependencies := $(LOCAL_ADDITIONAL_DEPENDENCIES)
 my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
 
 ifdef LOCAL_IS_HOST_MODULE
@@ -530,7 +530,7 @@
 
 my_gen_sources_copy := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(filter $(generated_sources_dir)/%,$(my_generated_sources)))
 
-$(my_gen_sources_copy): $(intermediates)/% : $(generated_sources_dir)/% | $(ACP)
+$(my_gen_sources_copy): $(intermediates)/% : $(generated_sources_dir)/%
 	@echo "Copy: $@"
 	$(copy-file-to-target)
 
@@ -679,7 +679,7 @@
 else
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 endif
--include $(proto_generated_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(proto_generated_objects))
 
 my_c_includes += $(my_proto_c_includes)
 # Auto-export the generated proto source dir.
@@ -894,7 +894,7 @@
     $(yacc_cpps) $(proto_generated_headers) \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
--include $(cpp_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(cpp_objects))
 endif
 
 cpp_objects += $(dotdot_arm_objects) $(dotdot_objects)
@@ -917,7 +917,7 @@
     $(proto_generated_headers) \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
--include $(gen_cpp_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(gen_cpp_objects))
 endif
 
 ###########################################################
@@ -932,7 +932,7 @@
 $(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o)
--include $(gen_S_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(gen_S_objects))
 endif
 
 gen_s_sources := $(filter %.s,$(my_generated_sources))
@@ -943,7 +943,6 @@
 $(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
--include $(gen_s_objects:%.o=%.P)
 endif
 
 gen_asm_objects := $(gen_S_objects) $(gen_s_objects)
@@ -997,7 +996,7 @@
 $(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(proto_generated_headers) \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)c-to-o)
--include $(c_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(c_objects))
 endif
 
 c_objects += $(dotdot_arm_objects) $(dotdot_objects)
@@ -1018,7 +1017,7 @@
 $(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(proto_generated_headers) \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)c-to-o)
--include $(gen_c_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(gen_c_objects))
 endif
 
 ###########################################################
@@ -1033,7 +1032,7 @@
 $(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(proto_generated_headers) \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)m-to-o)
--include $(objc_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(objc_objects))
 endif
 
 ###########################################################
@@ -1048,7 +1047,7 @@
 $(objcpp_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.mm $(yacc_cpps) $(proto_generated_headers) \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)mm-to-o)
--include $(objcpp_objects:%.o=%.P)
+$(call include-depfiles-for-objs, $(objcpp_objects))
 endif
 
 ###########################################################
@@ -1072,7 +1071,7 @@
 $(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S \
     $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o)
--include $(asm_objects_S:%.o=%.P)
+$(call include-depfiles-for-objs, $(asm_objects))
 endif
 
 asm_sources_s := $(filter %.s,$(my_src_files))
@@ -1145,7 +1144,7 @@
     $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \
       $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes))
 $(import_includes): PRIVATE_IMPORT_EXPORT_INCLUDES := $(import_includes_deps)
-$(import_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(import_includes_deps)
+$(import_includes) : $(import_includes_deps)
 	@echo Import includes file: $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef import_includes_deps
@@ -1212,11 +1211,7 @@
 # that custom build rules which generate .o files don't consume other generated
 # sources as input (or if they do they take care of that dependency themselves).
 $(normal_objects) : | $(my_generated_sources)
-ifeq ($(BUILDING_WITH_NINJA),true)
 $(all_objects) : $(import_includes)
-else
-$(all_objects) : | $(import_includes)
-endif
 ALL_C_CPP_ETC_OBJECTS += $(all_objects)
 
 
@@ -1348,6 +1343,21 @@
 my_cppflags := $(filter-out $(my_illegal_flags),$(my_cppflags))
 my_conlyflags := $(filter-out $(my_illegal_flags),$(my_conlyflags))
 
+# We can enforce some rules more strictly in the code we own. my_strict
+# indicates if this is code that we can be stricter with. If we have rules that
+# we want to apply to *our* code (but maybe can't for vendor/device specific
+# things), we could extend this to be a ternary value.
+my_strict := true
+ifneq ($(filter external/%,$(LOCAL_PATH)),)
+    my_strict := false
+endif
+
+# Can be used to make some annotations stricter for code we can fix (such as
+# when we mark functions as deprecated).
+ifeq ($(my_strict),true)
+    my_cflags += -DANDROID_STRICT
+endif
+
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(my_asflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CONLYFLAGS := $(my_conlyflags)
@@ -1389,29 +1399,32 @@
 ###########################################################
 export_includes := $(intermediates)/export_includes
 $(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(my_export_c_include_dirs)
+export_include_deps := $(strip \
+   $(foreach l,$(my_whole_static_libraries), \
+     $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes))
+$(export_includes): PRIVATE_REEXPORTED_INCLUDES := $(export_include_deps)
 # Make sure .pb.h are already generated before any dependent source files get compiled.
 # Similarly, the generated DBus headers need to exist before we export their location.
 # People are not going to consume the aidl generated cpp file, but the cpp file is
 # generated after the headers, so this is a convenient way to ensure the headers exist.
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(proto_generated_headers) $(dbus_generated_headers) $(aidl_gen_cpp)
+$(export_includes) : $(proto_generated_headers) $(dbus_generated_headers) $(aidl_gen_cpp) $(export_include_deps)
 	@echo Export includes file: $< -- $@
-	$(hide) mkdir -p $(dir $@) && rm -f $@.tmp
+	$(hide) mkdir -p $(dir $@) && rm -f $@.tmp && touch $@.tmp
 ifdef my_export_c_include_dirs
 	$(hide) for d in $(PRIVATE_EXPORT_C_INCLUDE_DIRS); do \
 	        echo "-I $$d" >> $@.tmp; \
 	        done
-else
-	$(hide) touch $@.tmp
 endif
-ifeq ($(BUILDING_WITH_NINJA),true)
+ifdef export_include_deps
+	$(hide) for f in $(PRIVATE_REEXPORTED_INCLUDES); do \
+		cat $$f >> $@.tmp; \
+		done
+endif
 	$(hide) if cmp -s $@.tmp $@ ; then \
 	  rm $@.tmp ; \
 	else \
 	  mv $@.tmp $@ ; \
 	fi
-else
-	mv $@.tmp $@ ;
-endif
 
 # Kati adds restat=1 to ninja. GNU make does nothing for this.
 .KATI_RESTAT: $(export_includes)
diff --git a/core/clang/config.mk b/core/clang/config.mk
index e1ad3ce..cb0a790 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -90,7 +90,6 @@
   -Wunused-but-set-parameter \
   -Wunused-but-set-variable \
   -fdiagnostics-color \
-  -fdebug-prefix-map=/proc/self/cwd=
 
 # Clang flags for all host rules
 CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index 0d6a406..f61e3f7 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -246,15 +246,7 @@
 	$(PRODUCT_OUT)/oem \
 	$(PRODUCT_OUT)/dex_bootjars \
 	$(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 \
-	$(PRODUCT_OUT)/obj/ETC/sepolicy_intermediates \
-	$(PRODUCT_OUT)/obj/ETC/sepolicy.recovery_intermediates \
-	$(PRODUCT_OUT)/obj/ETC/init.environ.rc_intermediates
+	$(PRODUCT_OUT)/obj/FAKE
 
 # The files/dirs to delete during a dataclean, which removes any files
 # in the staging and emulator data partitions.
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 4610a7f..effa600 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -25,7 +25,6 @@
 LOCAL_MANIFEST_PACKAGE_NAME:=
 LOCAL_PACKAGE_SPLITS:=
 LOCAL_REQUIRED_MODULES:=
-LOCAL_ACP_UNAVAILABLE:=
 LOCAL_MODULE_TAGS:=
 LOCAL_SRC_FILES:=
 LOCAL_SRC_FILES_EXCLUDE:=
diff --git a/core/combo/HOST_darwin-x86.mk b/core/combo/HOST_darwin-x86.mk
index fc56e52..076815b 100644
--- a/core/combo/HOST_darwin-x86.mk
+++ b/core/combo/HOST_darwin-x86.mk
@@ -32,7 +32,7 @@
 include $(BUILD_COMBOS)/mac_version.mk
 
 $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_ROOT := prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1
-$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_ROOT)/bin/i686-apple-darwin$(gcc_darwin_version)
+$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_ROOT)/bin/i686-apple-darwin11
 $(combo_2nd_arch_prefix)HOST_CC  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)-gcc
 $(combo_2nd_arch_prefix)HOST_CXX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)-g++
 
@@ -47,7 +47,6 @@
 $(combo_2nd_arch_prefix)HOST_AR := $(AR)
 
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -isysroot $(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version) -DMACOSX_DEPLOYMENT_TARGET=$(mac_sdk_version)
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CPPFLAGS += -isystem $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1
 $(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -isysroot $(mac_sdk_root) -Wl,-syslibroot,$(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version)
 
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -fPIC -funwind-tables
@@ -58,6 +57,10 @@
 
 $(combo_2nd_arch_prefix)HOST_GLOBAL_ARFLAGS := cqs
 
+# Use Darwin's libc++, as Darwin's libstdc++ is old and does not support C++11
+$(combo_2nd_arch_prefix)HOST_SYSTEMCPP_CPPFLAGS := -isystem $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1
+$(combo_2nd_arch_prefix)HOST_SYSTEMCPP_LDFLAGS := -stdlib=libc++
+
 ############################################################
 ## Macros after this line are shared by the 64-bit config.
 
diff --git a/core/combo/HOST_darwin-x86_64.mk b/core/combo/HOST_darwin-x86_64.mk
index 251455f..a8541ee 100644
--- a/core/combo/HOST_darwin-x86_64.mk
+++ b/core/combo/HOST_darwin-x86_64.mk
@@ -32,7 +32,7 @@
 include $(BUILD_COMBOS)/mac_version.mk
 
 HOST_TOOLCHAIN_ROOT := prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1
-HOST_TOOLCHAIN_PREFIX := $(HOST_TOOLCHAIN_ROOT)/bin/i686-apple-darwin$(gcc_darwin_version)
+HOST_TOOLCHAIN_PREFIX := $(HOST_TOOLCHAIN_ROOT)/bin/i686-apple-darwin11
 HOST_CC  := $(HOST_TOOLCHAIN_PREFIX)-gcc
 HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)-g++
 
@@ -47,7 +47,6 @@
 HOST_AR := $(AR)
 
 HOST_GLOBAL_CFLAGS += -isysroot $(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version) -DMACOSX_DEPLOYMENT_TARGET=$(mac_sdk_version)
-HOST_GLOBAL_CPPFLAGS += -isystem $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1
 HOST_GLOBAL_LDFLAGS += -isysroot $(mac_sdk_root) -Wl,-syslibroot,$(mac_sdk_root) -mmacosx-version-min=$(mac_sdk_version)
 
 HOST_GLOBAL_CFLAGS += -fPIC -funwind-tables
@@ -58,6 +57,10 @@
 
 HOST_GLOBAL_ARFLAGS := cqs
 
+# Use Darwin's libc++, as Darwin's libstdc++ is old and does not support C++11
+HOST_SYSTEMCPP_CPPFLAGS := -isystem $(mac_sdk_path)/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1
+HOST_SYSTEMCPP_LDFLAGS := -stdlib=libc++
+
 # We Reuse the following functions with the same name from HOST_darwin-x86.mk:
 # transform-host-o-to-shared-lib-inner
 # transform-host-o-to-executable-inner
diff --git a/core/combo/arch/x86/sandybridge.mk b/core/combo/arch/x86/sandybridge.mk
index bca5953..830e1db 100644
--- a/core/combo/arch/x86/sandybridge.mk
+++ b/core/combo/arch/x86/sandybridge.mk
@@ -5,13 +5,13 @@
 ARCH_X86_HAVE_SSE4   := true
 ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
-ARCH_X86_HAVE_AES_NI := true
-ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_AES_NI := false
+ARCH_X86_HAVE_AVX    := false
 ARCH_X86_HAVE_POPCNT := true
 ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
-	-march=corei7-avx \
+	-march=corei7 \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86_64/sandybridge.mk b/core/combo/arch/x86_64/sandybridge.mk
index 865548c..574ec8a 100644
--- a/core/combo/arch/x86_64/sandybridge.mk
+++ b/core/combo/arch/x86_64/sandybridge.mk
@@ -5,11 +5,11 @@
 ARCH_X86_HAVE_SSE4   := true
 ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
-ARCH_X86_HAVE_AES_NI := true
-ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_AES_NI := false
+ARCH_X86_HAVE_AVX    := false
 ARCH_X86_HAVE_POPCNT := true
 ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
-	-march=corei7-avx
+	-march=corei7
diff --git a/core/combo/mac_version.mk b/core/combo/mac_version.mk
index 51394c6..fb05e59 100644
--- a/core/combo/mac_version.mk
+++ b/core/combo/mac_version.mk
@@ -5,6 +5,13 @@
 #   mac_sdk_root
 #   gcc_darwin_version
 
+# You can no longer install older SDKs in newer xcode versions, so it appears
+# to be expected to use the newer SDKs, but set command line flags in order to
+# target older Mac OS X versions.
+#
+# We'll use the oldest SDK we can find, and then use the -mmacosx-version-min
+# and MACOSX_DEPLOYMENT_TARGET flags to set our minimum version.
+
 ifndef build_mac_version
 
 build_mac_version := $(shell sw_vers -productVersion)
@@ -32,21 +39,13 @@
 #  or /Volume/Xcode/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.?.sdk
 mac_sdk_root := $(mac_sdk_path)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX$(mac_sdk_version).sdk
 ifeq ($(wildcard $(mac_sdk_root)),)
-# try legacy /Developer/SDKs/MacOSX10.?.sdk
-$(warning no SDK $(mac_sdk_version) at $(mac_sdk_root), trying legacy dir)
-mac_sdk_root := /Developer/SDKs/MacOSX$(mac_sdk_version).sdk
-endif
-ifeq ($(wildcard $(mac_sdk_root)),)
 $(warning *****************************************************)
 $(warning * Can not find SDK $(mac_sdk_version) at $(mac_sdk_root))
 $(warning *****************************************************)
 $(error Stop.)
 endif
 
-ifeq ($(mac_sdk_version),10.6)
-  gcc_darwin_version := 10
-else
-  gcc_darwin_version := 11
-endif
+# Set to the minimum version of OS X that we want to run on.
+mac_sdk_version := $(firstword $(mac_sdk_versions_supported))
 
 endif  # ifndef build_mac_version
diff --git a/core/config.mk b/core/config.mk
index 7099525..b447da9 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -41,7 +41,6 @@
 endif
 
 # Standard source directories.
-SRC_DOCS:= $(TOPDIR)docs
 # TODO: Enforce some kind of layering; only add include paths
 #       when a module links against a particular library.
 # TODO: See if we can remove most of these from the global list.
@@ -56,9 +55,6 @@
 	$(TOPDIR)frameworks/native/opengl/include \
 	$(TOPDIR)frameworks/av/include \
 	$(TOPDIR)frameworks/base/include
-SRC_HOST_HEADERS:=$(TOPDIR)tools/include
-SRC_LIBRARIES:= $(TOPDIR)libs
-SRC_SERVERS:= $(TOPDIR)servers
 SRC_TARGET_DIR := $(TOPDIR)build/target
 SRC_API_DIR := $(TOPDIR)prebuilts/sdk/api
 SRC_SYSTEM_API_DIR := $(TOPDIR)prebuilts/sdk/system-api
@@ -454,6 +450,8 @@
 #
 # Tools that are prebuilts for TARGET_BUILD_APPS
 #
+prebuilt_sdk_tools := prebuilts/sdk/tools
+prebuilt_sdk_tools_bin := $(prebuilt_sdk_tools)/$(HOST_OS)/bin
 
 ACP := $(HOST_OUT_EXECUTABLES)/acp
 AIDL := $(HOST_OUT_EXECUTABLES)/aidl
@@ -468,13 +466,14 @@
 DX := $(HOST_OUT_EXECUTABLES)/dx
 MAINDEXCLASSES := $(HOST_OUT_EXECUTABLES)/mainDexClasses
 
+# Always use prebuilts for ckati and makeparallel
+CKATI := $(prebuilt_sdk_tools_bin)/ckati
+MAKEPARALLEL := $(prebuilt_sdk_tools_bin)/makeparallel
+
 USE_PREBUILT_SDK_TOOLS_IN_PLACE := true
 
 # Override the definitions above for unbundled and PDK builds
 ifneq (,$(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)))
-prebuilt_sdk_tools := prebuilts/sdk/tools
-prebuilt_sdk_tools_bin := $(prebuilt_sdk_tools)/$(HOST_OS)/bin
-
 ACP := $(prebuilt_sdk_tools_bin)/acp
 AIDL := $(prebuilt_sdk_tools_bin)/aidl
 AAPT := $(prebuilt_sdk_tools_bin)/aapt
@@ -493,6 +492,8 @@
 BCC_COMPAT := $(prebuilt_sdk_tools_bin)/bcc_compat
 endif # TARGET_BUILD_PDK
 endif # TARGET_BUILD_APPS || TARGET_BUILD_PDK
+prebuilt_sdk_tools :=
+prebuilt_sdk_tools_bin :=
 
 
 # ---------------------------------------------------------------
@@ -548,7 +549,6 @@
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 MKTARBALL := build/tools/mktarball.sh
 TUNE2FS := $(HOST_OUT_EXECUTABLES)/tune2fs$(HOST_EXECUTABLE_SUFFIX)
-E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 JARJAR := $(HOST_OUT_JAVA_LIBRARIES)/jarjar.jar
 DATA_BINDING_COMPILER := $(HOST_OUT_JAVA_LIBRARIES)/databinding-compiler.jar
 
@@ -714,7 +714,7 @@
 HOST_GLOBAL_LD_DIRS += -L$(HOST_OUT_INTERMEDIATE_LIBRARIES)
 TARGET_GLOBAL_LD_DIRS += -L$(TARGET_OUT_INTERMEDIATE_LIBRARIES)
 
-HOST_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $(HOST_OUT_HEADERS)
+HOST_PROJECT_INCLUDES:= $(SRC_HEADERS) $(HOST_OUT_HEADERS)
 TARGET_PROJECT_INCLUDES:= $(SRC_HEADERS) $(TARGET_OUT_HEADERS) \
 		$(TARGET_DEVICE_KERNEL_HEADERS) $(TARGET_BOARD_KERNEL_HEADERS) \
 		$(TARGET_PRODUCT_KERNEL_HEADERS)
@@ -759,7 +759,7 @@
 HOST_CROSS_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
 HOST_CROSS_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
 HOST_CROSS_GLOBAL_LD_DIRS += -L$(HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES)
-HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $(HOST_CROSS_OUT_HEADERS)
+HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $(HOST_CROSS_OUT_HEADERS)
 HOST_CROSS_GLOBAL_CFLAGS += $(HOST_CROSS_RELEASE_CFLAGS)
 HOST_CROSS_GLOBAL_CPPFLAGS += $(HOST_CROSS_RELEASE_CPPFLAGS)
 
@@ -769,7 +769,7 @@
 $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CPPFLAGS += $(COMMON_GLOBAL_CPPFLAGS)
 $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CPPFLAGS += $(COMMON_RELEASE_CPPFLAGS)
 $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_LD_DIRS += -L$($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_INTERMEDIATE_LIBRARIES)
-$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $(SRC_HOST_HEADERS) $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_HEADERS)
+$(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_PROJECT_INCLUDES:= $(SRC_HEADERS) $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_OUT_HEADERS)
 $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CFLAGS += $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CFLAGS)
 $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_GLOBAL_CPPFLAGS += $($(HOST_CROSS_2ND_ARCH_VAR_PREFIX)HOST_CROSS_RELEASE_CPPFLAGS)
 endif
@@ -873,4 +873,12 @@
 RSCOMPAT_32BIT_ONLY_API_LEVELS := 8 9 10 11 12 13 14 15 16 17 18 19 20
 RSCOMPAT_NO_USAGEIO_API_LEVELS := 8 9 10 11 12 13
 
+ifeq ($(JAVA_NOT_REQUIRED),true)
+# Remove java and tools from our path so that we make sure nobody uses them.
+unexport ANDROID_JAVA_HOME
+unexport JAVA_HOME
+export ANDROID_BUILD_PATHS:=$(abspath $(BUILD_SYSTEM)/no_java_path):$(ANDROID_BUILD_PATHS)
+export PATH:=$(abspath $(BUILD_SYSTEM)/no_java_path):$(PATH)
+endif
+
 include $(BUILD_SYSTEM)/dumpvar.mk
diff --git a/core/cxx_stl_setup.mk b/core/cxx_stl_setup.mk
index 37be1f7..0777645 100644
--- a/core/cxx_stl_setup.mk
+++ b/core/cxx_stl_setup.mk
@@ -110,8 +110,11 @@
     ifndef LOCAL_IS_HOST_MODULE
         my_c_includes += bionic/libstdc++/include
         my_system_shared_libraries += libstdc++
+    else
+        # Host builds will use the system C++. libc++ on Darwin, GNU libstdc++ everywhere else
+        my_cppflags += $($(my_prefix)SYSTEMCPP_CPPFLAGS)
+        my_ldflags += $($(my_prefix)SYSTEMCPP_LDFLAGS)
     endif
-    # Host builds will use GNU libstdc++.
 else ifeq ($(my_cxx_stl),none)
     ifdef LOCAL_IS_HOST_MODULE
         my_cppflags += -nostdinc++
diff --git a/core/definitions.mk b/core/definitions.mk
index fad50b5..b674d1d 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -133,7 +133,6 @@
 define my-dir
 $(strip \
   $(eval LOCAL_MODULE_MAKEFILE := $$(lastword $$(MAKEFILE_LIST))) \
-  $(eval LOCAL_MODULE_MAKEFILE_DEP := $(if $(BUILDING_WITH_NINJA),,$$(LOCAL_MODULE_MAKEFILE))) \
   $(if $(filter $(BUILD_SYSTEM)/% $(OUT_DIR)/%,$(LOCAL_MODULE_MAKEFILE)), \
     $(error my-dir must be called before including any other makefile.) \
    , \
@@ -882,15 +881,14 @@
 ###########################################################
 # $(1): the .P file
 # $(2): the main build target
-ifeq ($(BUILDING_WITH_NINJA),true)
 define include-depfile
 $(eval $(2) : .KATI_DEPFILE := $1)
 endef
-else
-define include-depfile
-$(eval -include $1)
+
+# $(1): object files
+define include-depfiles-for-objs
+$(foreach obj, $(1), $(call include-depfile, $(obj:%.o=%.P), $(obj)))
 endef
-endif
 
 ###########################################################
 ## Track source files compiled to objects
@@ -1289,13 +1287,12 @@
 	    $(PRIVATE_HOST_GLOBAL_CONLYFLAGS) \
 	 ) \
 	$(1) \
-	$(PRIVATE_CFLAGS_NO_OVERRIDE) \
 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
 endef
 
 define transform-host-c-to-o-no-deps
 @echo "$($(PRIVATE_PREFIX)DISPLAY) C: $(PRIVATE_MODULE) <= $<"
-$(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_CONLYFLAGS) $(PRIVATE_DEBUG_CFLAGS))
+$(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_CONLYFLAGS) $(PRIVATE_DEBUG_CFLAGS) $(PRIVATE_CFLAGS_NO_OVERRIDE))
 endef
 
 define transform-host-s-to-o-no-deps
@@ -1319,7 +1316,7 @@
 
 define transform-host-m-to-o-no-deps
 @echo "$($(PRIVATE_PREFIX)DISPLAY) ObjC: $(PRIVATE_MODULE) <= $<"
-$(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_DEBUG_CFLAGS))
+$(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_CFLAGS) $(PRIVATE_DEBUG_CFLAGS) $(PRIVATE_CFLAGS_NO_OVERRIDE))
 endef
 
 define transform-host-m-to-o
@@ -2124,9 +2121,7 @@
 # Moves $1.tmp to $1 if necessary. This is designed to be used with
 # .KATI_RESTAT. For kati, this function doesn't update the timestamp
 # of $1 when $1.tmp is identical to $1 so that ninja won't rebuild
-# targets which depend on $1. For GNU make, this function simply
-# copies $1.tmp to $1.
-ifeq ($(BUILDING_WITH_NINJA),true)
+# targets which depend on $1.
 define commit-change-for-toc
 $(hide) if cmp -s $1.tmp $1 ; then \
  rm $1.tmp ; \
@@ -2134,12 +2129,6 @@
  mv $1.tmp $1 ; \
 fi
 endef
-else
-define commit-change-for-toc
-@# make doesn't support restat. We always update .toc files so the dependents will always be updated too.
-$(hide) mv $1.tmp $1
-endef
-endif
 
 ## Rule to create a table of contents from a .jar file.
 ## Must be called with $(eval).
@@ -2487,7 +2476,7 @@
 # $(1): source file
 # $(2): destination file
 define copy-one-file
-$(2): $(1) | $(ACP)
+$(2): $(1)
 	@echo "Copy: $$@"
 	$$(copy-file-to-target)
 endef
@@ -2508,7 +2497,7 @@
 # $(1): source file
 # $(2): destination file, must end with .xml.
 define copy-xml-file-checked
-$(2): $(1) | $(ACP)
+$(2): $(1)
 	@echo "Copy xml: $$@"
 	$(hide) xmllint $$< >/dev/null  # Don't print the xml file to stdout.
 	$$(copy-file-to-target)
@@ -2523,24 +2512,29 @@
 # Copy a single file from one place to another,
 # preserving permissions and overwriting any existing
 # file.
-# We disable the "-t" option for acp cannot handle
-# high resolution timestamp correctly on file systems like ext4.
-# Therefore copy-file-to-target is the same as copy-file-to-new-target.
+# When we used acp, it could not handle high resolution timestamps
+# on file systems like ext4. Because of that, '-t' option was disabled
+# and copy-file-to-target was identical to copy-file-to-new-target.
+# Keep the behavior until we audit and ensure that switching this back
+# won't break anything.
 define copy-file-to-target
 @mkdir -p $(dir $@)
-$(hide) $(ACP) -fp $< $@
+$(hide) rm -f $@
+$(hide) cp $< $@
 endef
 
 # The same as copy-file-to-target, but use the local
 # cp command instead of acp.
 define copy-file-to-target-with-cp
 @mkdir -p $(dir $@)
-$(hide) cp -fp $< $@
+$(hide) rm -f $@
+$(hide) cp -p $< $@
 endef
 
 # The same as copy-file-to-target, but use the zipalign tool to do so.
 define copy-file-to-target-with-zipalign
 @mkdir -p $(dir $@)
+$(hide) rm -f $@
 $(hide) $(ZIPALIGN) -f 4 $< $@
 endef
 
@@ -2548,6 +2542,7 @@
 # comments (for config files and such).
 define copy-file-to-target-strip-comments
 @mkdir -p $(dir $@)
+$(hide) rm -f $@
 $(hide) sed -e 's/#.*$$//' -e 's/[ \t]*$$//' -e '/^$$/d' < $< > $@
 endef
 
@@ -2555,14 +2550,16 @@
 # the old modification time.
 define copy-file-to-new-target
 @mkdir -p $(dir $@)
-$(hide) $(ACP) -fp $< $@
+$(hide) rm -f $@
+$(hide) cp $< $@
 endef
 
 # The same as copy-file-to-new-target, but use the local
 # cp command instead of acp.
 define copy-file-to-new-target-with-cp
 @mkdir -p $(dir $@)
-$(hide) cp -f $< $@
+$(hide) rm -f $@
+$(hide) cp $< $@
 endef
 
 # Copy a prebuilt file to a target location.
@@ -2691,7 +2688,7 @@
 endef
 define add-radio-file-internal
 INSTALLED_RADIOIMAGE_TARGET += $$(PRODUCT_OUT)/$(2)
-$$(PRODUCT_OUT)/$(2) : $$(LOCAL_PATH)/$(1) | $$(ACP)
+$$(PRODUCT_OUT)/$(2) : $$(LOCAL_PATH)/$(1)
 	$$(transform-prebuilt-to-target)
 endef
 
@@ -2706,7 +2703,7 @@
 define add-radio-file-checked-internal
 INSTALLED_RADIOIMAGE_TARGET += $$(PRODUCT_OUT)/$(2)
 BOARD_INFO_CHECK += $(3):$(LOCAL_PATH)/$(1)
-$$(PRODUCT_OUT)/$(2) : $$(LOCAL_PATH)/$(1) | $$(ACP)
+$$(PRODUCT_OUT)/$(2) : $$(LOCAL_PATH)/$(1)
 	$$(transform-prebuilt-to-target)
 endef
 
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index a36d4f9..457f1d4 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -53,7 +53,7 @@
 _dbj_jar_no_dex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1)_nodex.jar
 _dbj_src_jar := $(call intermediates-dir-for,JAVA_LIBRARIES,$(1),,COMMON)/javalib.jar
 
-$$(_dbj_jar_no_dex) : $$(_dbj_src_jar) | $(ACP)
+$$(_dbj_jar_no_dex) : $$(_dbj_src_jar)
 	$$(call copy-file-to-target)
 ifneq ($(DEX_PREOPT_DEFAULT),nostripping)
 	$$(call dexpreopt-remove-classes.dex,$$@)
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 4e486d5..c3279f6 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -104,8 +104,7 @@
 # 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))) \
-    | $(ACP)
+                  : $(dir $(LOCAL_BUILT_MODULE))%$(notdir $(word 1,$(built_odex)))
 	@echo "Install: $@"
 	$(copy-file-to-target)
 endif
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index f143579..f98df12 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -165,7 +165,6 @@
         $(droiddoc) \
         $(html_dir_files) \
         $(full_java_lib_deps) \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	@echo Docs droiddoc: $(PRIVATE_OUT_DIR)
 	$(hide) mkdir -p $(dir $@)
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index 91fd271..7ed5c35 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -69,10 +69,10 @@
 
 ifeq (true,$(my_pack_module_relocations))
 # Pack relocations
-$(relocation_packer_output): $(relocation_packer_input) | $(ACP)
+$(relocation_packer_output): $(relocation_packer_input)
 	$(pack-elf-relocations)
 else
-$(relocation_packer_output): $(relocation_packer_input) | $(ACP)
+$(relocation_packer_output): $(relocation_packer_input)
 	@echo "target Unpacked: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
 endif
@@ -87,7 +87,7 @@
 endif
 symbolic_input := $(relocation_packer_output)
 symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
-$(symbolic_output) : $(symbolic_input) | $(ACP)
+$(symbolic_output) : $(symbolic_input)
 	@echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
 
@@ -148,18 +148,9 @@
 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.
-#
-# If the binary we're copying is acp or a prerequisite,
-# use cp(1) instead.
-ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
-$(strip_output): $(strip_input) | $(ACP)
-	@echo "target Unstripped: $(PRIVATE_MODULE) ($@)"
-	$(copy-file-to-target)
-else
 $(strip_output): $(strip_input)
 	@echo "target Unstripped: $(PRIVATE_MODULE) ($@)"
-	$(copy-file-to-target-with-cp)
-endif
+	$(copy-file-to-target)
 endif # my_strip_module
 
 $(cleantarget): PRIVATE_CLEAN_FILES += \
diff --git a/core/envsetup.mk b/core/envsetup.mk
index e8fa6a7..1840b7e 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -371,6 +371,7 @@
 endif
 TARGET_OUT_VENDOR_JAVA_LIBRARIES := $(TARGET_OUT_VENDOR)/framework
 TARGET_OUT_VENDOR_APPS := $(TARGET_OUT_VENDOR)/app
+TARGET_OUT_VENDOR_APPS_PRIVILEGED := $(TARGET_OUT_VENDOR)/priv-app
 TARGET_OUT_VENDOR_ETC := $(TARGET_OUT_VENDOR)/etc
 
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_EXECUTABLES := $(TARGET_OUT_VENDOR_EXECUTABLES)
diff --git a/core/executable_prefer_symlink.mk b/core/executable_prefer_symlink.mk
index 931550f..1640b32 100644
--- a/core/executable_prefer_symlink.mk
+++ b/core/executable_prefer_symlink.mk
@@ -42,7 +42,7 @@
 # $(my_symlink) doesn't need to depend on $(PRIVATE_SRC_BINARY_NAME): we can generate symlink to nonexistent file.
 # If you add the dependency, make would compare the timestamp of a file against that of its symlink:
 # they are always equal, because make follows symlink.
-$(my_symlink): $(LOCAL_MODULE_MAKEFILE_DEP)
+$(my_symlink):
 	@echo "Symlink: $@ -> $(PRIVATE_SRC_BINARY_NAME)"
 	@mkdir -p $(dir $@)
 	@rm -rf $@
diff --git a/core/goma.mk b/core/goma.mk
index 6535b3e..982160b 100644
--- a/core/goma.mk
+++ b/core/goma.mk
@@ -16,16 +16,6 @@
 
 # Notice: this works only with Google's Goma build infrastructure.
 ifneq ($(filter-out false,$(USE_GOMA)),)
-  # Check if USE_NINJA is not false because GNU make won't work well
-  # with goma. Note this file is evaluated twice, once by GNU make and
-  # once by kati with USE_NINJA=false. We do this check in the former
-  # pass.
-  ifndef KATI
-    ifeq ($(USE_NINJA),false)
-      $(error USE_GOMA=true is not compatible with USE_NINJA=false)
-    endif
-  endif
-
   # Goma requires a lot of processes and file descriptors.
   ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1)
     $(warning Max user processes and/or open files are insufficient)
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 0d32559..3ace592 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -81,7 +81,6 @@
         $(full_java_lib_deps) \
         $(jar_manifest_file) \
         $(proto_java_sources_file_stamp) \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
 
@@ -130,7 +129,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
 
 jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_deps) \
-        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(jar_manifest_file) $(proto_java_sources_file_stamp) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK)
 $(built_dex): PRIVATE_CLASSES_JACK := $(full_classes_jack)
 $(built_dex): $(jack_all_deps) | setup-jack-server
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index d86c6ca..df61722 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -48,7 +48,7 @@
 	PRIVATE_JACK_INCREMENTAL_DIR :=
 endif
 $(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_deps) \
-        $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(jar_manifest_file) $(layers_file) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
         $(JACK) | setup-jack-server
 	@echo Building with Jack: $@
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 97079fd..9a13439 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -66,7 +66,6 @@
         $(full_java_lib_deps) \
         $(jar_manifest_file) \
         $(proto_java_sources_file_stamp) \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
 
diff --git a/core/host_shared_library_internal.mk b/core/host_shared_library_internal.mk
index 272e76f..bfbde21 100644
--- a/core/host_shared_library_internal.mk
+++ b/core/host_shared_library_internal.mk
@@ -44,7 +44,6 @@
 $(LOCAL_BUILT_MODULE): \
         $(all_objects) \
         $(all_libraries) \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-o-to-shared-lib)
 
diff --git a/core/host_test_internal.mk b/core/host_test_internal.mk
index 7f6aff0..e4fa4c5 100644
--- a/core/host_test_internal.mk
+++ b/core/host_test_internal.mk
@@ -9,6 +9,5 @@
 LOCAL_LDLIBS_darwin += -lpthread
 
 LOCAL_CFLAGS += -DGTEST_HAS_STD_STRING -O0 -g
-LOCAL_C_INCLUDES +=  external/gtest/include
 
 LOCAL_STATIC_LIBRARIES += libgtest_main_host libgtest_host
diff --git a/core/java.mk b/core/java.mk
index 173db79..2a28653 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -312,7 +312,6 @@
 
 $(aidl_java_sources): $(intermediates.COMMON)/src/%.java: \
         $(LOCAL_PATH)/%.aidl \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) \
         $(AIDL) \
         $(aidl_preprocess_import)
@@ -425,7 +424,6 @@
         $(layers_file) \
         $(RenderScript_file_stamp) \
         $(proto_java_sources_file_stamp) \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-java-to-classes.jar)
 
@@ -459,7 +457,7 @@
 	$(transform-classes.jar-to-emma)
 
 else
-$(full_classes_emma_jar): $(full_classes_jarjar_jar) | $(ACP)
+$(full_classes_emma_jar): $(full_classes_jarjar_jar)
 	@echo Copying: $@
 	$(copy-file-to-target)
 endif
@@ -575,11 +573,11 @@
 endif
 $(full_classes_proguard_jar): PRIVATE_EXTRA_INPUT_JAR := $(extra_input_jar)
 $(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(legacy_proguard_flags) $(common_proguard_flags) $(LOCAL_PROGUARD_FLAGS)
-$(full_classes_proguard_jar) : $(full_classes_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(proguard_flag_files) | $(ACP) $(PROGUARD)
+$(full_classes_proguard_jar) : $(full_classes_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(proguard_flag_files) | $(PROGUARD)
 	$(call transform-jar-to-proguard)
 
 else  # LOCAL_PROGUARD_ENABLED not defined
-$(full_classes_proguard_jar) : $(full_classes_jar)
+$(full_classes_proguard_jar) : $(full_classes_jar) | $(ACP)
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@
 
@@ -681,7 +679,7 @@
 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)
+        $(JACK)
 
 $(jack_check_timestamp): $(jack_all_deps)
 	@echo Checking build with Jack: $@
diff --git a/core/java_common.mk b/core/java_common.mk
index 71f5710..803cebd 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -19,7 +19,12 @@
   ifneq (,$(filter $(LOCAL_SDK_VERSION), $(private_sdk_versions_without_any_java_18_support)))
     LOCAL_JAVA_LANGUAGE_VERSION := 1.7
   else
-    LOCAL_JAVA_LANGUAGE_VERSION := 1.8
+    # This retains 1.7 for ART build bots only. http://b/27583810
+    ifeq (,$(LEGACY_USE_JAVA7))
+      LOCAL_JAVA_LANGUAGE_VERSION := 1.8
+    else
+      LOCAL_JAVA_LANGUAGE_VERSION := 1.7
+    endif
   endif
 endif
 LOCAL_JAVACFLAGS += -source $(LOCAL_JAVA_LANGUAGE_VERSION) -target $(LOCAL_JAVA_LANGUAGE_VERSION)
diff --git a/core/java_library.mk b/core/java_library.mk
index 81a4a6a..8edba55 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -103,7 +103,7 @@
 ifneq ($(dexpreopt_boot_jar_module),) # boot jar
 # boot jar's rules are defined in dex_preopt.mk
 dexpreopted_boot_jar := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(dexpreopt_boot_jar_module)_nodex.jar
-$(LOCAL_BUILT_MODULE) : $(dexpreopted_boot_jar) | $(ACP)
+$(LOCAL_BUILT_MODULE) : $(dexpreopted_boot_jar)
 	$(call copy-file-to-target)
 
 # For libart boot jars, we don't have .odex files.
@@ -114,7 +114,7 @@
 	@echo "Dexpreopt Jar: $(PRIVATE_MODULE) ($@)"
 	$(call dexpreopt-one-file,$<,$@)
 
-$(LOCAL_BUILT_MODULE) : $(common_javalib.jar) | $(ACP)
+$(LOCAL_BUILT_MODULE) : $(common_javalib.jar)
 	$(call copy-file-to-target)
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
 	$(call dexpreopt-remove-classes.dex,$@)
@@ -123,7 +123,7 @@
 endif # ! boot jar
 
 else # LOCAL_DEX_PREOPT
-$(LOCAL_BUILT_MODULE) : $(common_javalib.jar) | $(ACP)
+$(LOCAL_BUILT_MODULE) : $(common_javalib.jar)
 	$(call copy-file-to-target)
 
 endif # LOCAL_DEX_PREOPT
diff --git a/core/main.mk b/core/main.mk
index 197cf27..36f1ae2 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -57,9 +57,6 @@
 
 BUILD_SYSTEM := $(TOPDIR)build/core
 
-# Ensure JAVA_NOT_REQUIRED is not set externally.
-JAVA_NOT_REQUIRED := false
-
 # This is the default target.  It must be the first declared target.
 .PHONY: droid
 DEFAULT_GOAL := droid
@@ -99,22 +96,15 @@
 # and host information.
 include $(BUILD_SYSTEM)/config.mk
 
-relaunch_with_ninja :=
-ifneq ($(USE_NINJA),false)
-ifndef BUILDING_WITH_NINJA
-relaunch_with_ninja := true
-endif
+ifndef KATI
+ifdef USE_NINJA
+$(warning USE_NINJA is ignored. Ninja is always used.)
 endif
 
-ifeq ($(relaunch_with_ninja),true)
 # Mark this is a ninja build.
 $(shell mkdir -p $(OUT_DIR) && touch $(OUT_DIR)/ninja_build)
 include build/core/ninja.mk
-else # !relaunch_with_ninja
-ifndef BUILDING_WITH_NINJA
-# Remove ninja build mark if it exists.
-$(shell rm -f $(OUT_DIR)/ninja_build)
-endif
+else # KATI
 
 # With these files findleaves.py won't be unnecessarily slower even if
 # there is a user creates a copy of $(OUT_DIR).
@@ -150,8 +140,9 @@
 -include vendor/google/build/config.mk
 
 VERSION_CHECK_SEQUENCE_NUMBER := 6
+JAVA_NOT_REQUIRED_CHECKED :=
 -include $(OUT_DIR)/versions_checked.mk
-ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER),$(VERSIONS_CHECKED))
+ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER)$(JAVA_NOT_REQUIRED),$(VERSIONS_CHECKED)$(JAVA_NOT_REQUIRED_CHECKED))
 
 $(info Checking build tools versions...)
 
@@ -182,7 +173,7 @@
 $(error Directory names containing spaces not supported)
 endif
 
-ifeq ($(JAVA_NOT_REQUIRED), false)
+ifneq ($(JAVA_NOT_REQUIRED),true)
 java_version_str := $(shell unset _JAVA_OPTIONS && java -version 2>&1)
 javac_version_str := $(shell unset _JAVA_OPTIONS && javac -version 2>&1)
 
@@ -273,6 +264,8 @@
         > $(OUT_DIR)/versions_checked.mk)
 $(shell echo 'BUILD_EMULATOR ?= $(BUILD_EMULATOR)' \
         >> $(OUT_DIR)/versions_checked.mk)
+$(shell echo 'JAVA_NOT_REQUIRED_CHECKED := $(JAVA_NOT_REQUIRED)' \
+        >> $(OUT_DIR)/versions_checked.mk)
 endif
 
 # These are the modifier targets that don't do anything themselves, but
@@ -1119,4 +1112,4 @@
 .PHONY: nothing
 nothing:
 	@echo Successfully read the makefiles.
-endif # !relaunch_with_ninja
+endif # KATI
diff --git a/core/ninja.mk b/core/ninja.mk
index d2e882d..e8ff3bd 100644
--- a/core/ninja.mk
+++ b/core/ninja.mk
@@ -1,14 +1,7 @@
 NINJA ?= prebuilts/ninja/$(HOST_PREBUILT_TAG)/ninja
 
 ifeq ($(USE_SOONG),true)
-USE_SOONG_FOR_KATI := true
-endif
-
-ifeq ($(USE_SOONG_FOR_KATI),true)
 include $(BUILD_SYSTEM)/soong.mk
-else
-KATI ?= $(HOST_OUT_EXECUTABLES)/ckati
-MAKEPARALLEL ?= $(HOST_OUT_EXECUTABLES)/makeparallel
 endif
 
 KATI_OUTPUT_PATTERNS := $(OUT_DIR)/build%.ninja $(OUT_DIR)/ninja%.sh
@@ -27,6 +20,7 @@
 	ECLIPSE-% \
 	PRODUCT-% \
 	boottarball-nodeps \
+	brillo_tests \
 	btnod \
 	build-art% \
 	build_kernel-nodeps \
@@ -69,7 +63,7 @@
 -include vendor/google/build/ninja_config.mk
 
 # Any Android goals that need to be built.
-ANDROID_GOALS := $(filter-out $(KATI_OUTPUT_PATTERNS) $(KATI) $(MAKEPARALLEL),\
+ANDROID_GOALS := $(filter-out $(KATI_OUTPUT_PATTERNS) $(CKATI) $(MAKEPARALLEL),\
     $(sort $(ORIGINAL_MAKECMDGOALS) $(MAKECMDGOALS)))
 # Goals we need to pass to Ninja.
 NINJA_GOALS := $(filter-out $(NINJA_EXCLUDE_GOALS), $(ANDROID_GOALS))
@@ -117,6 +111,10 @@
 NINJA_ARGS += "-v"
 endif
 
+# Make multiple rules to generate the same target an error instead of
+# proceeding with undefined behavior.
+NINJA_ARGS += -w dupbuild=err
+
 ifdef USE_GOMA
 KATI_MAKEPARALLEL := $(MAKEPARALLEL)
 # Ninja runs remote jobs (i.e., commands which contain gomacc) with
@@ -145,39 +143,15 @@
 .PHONY: ninja_wrapper
 ninja_wrapper: $(COMBINED_BUILD_NINJA) $(MAKEPARALLEL)
 	@echo Starting build with ninja
-	+$(hide) export NINJA_STATUS="$(NINJA_STATUS)" && source $(KATI_ENV_SH) && $(NINJA_MAKEPARALLEL) $(NINJA) $(NINJA_GOALS) -C $(TOP) -f $(COMBINED_BUILD_NINJA) $(NINJA_ARGS)
+	+$(hide) export NINJA_STATUS="$(NINJA_STATUS)" && source $(KATI_ENV_SH) && $(NINJA_MAKEPARALLEL) $(NINJA) -d keepdepfile $(NINJA_GOALS) -C $(TOP) -f $(COMBINED_BUILD_NINJA) $(NINJA_ARGS)
 
 KATI_FIND_EMULATOR := --use_find_emulator
 ifeq ($(KATI_EMULATE_FIND),false)
   KATI_FIND_EMULATOR :=
 endif
-$(KATI_BUILD_NINJA): $(KATI) $(MAKEPARALLEL) $(SOONG_ANDROID_MK) FORCE
+$(KATI_BUILD_NINJA): $(CKATI) $(MAKEPARALLEL) $(SOONG_ANDROID_MK) FORCE
 	@echo Running kati to generate build$(KATI_NINJA_SUFFIX).ninja...
-	+$(hide) $(KATI_MAKEPARALLEL) $(KATI) --ninja --ninja_dir=$(OUT_DIR) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --no_ignore_dirty=$(SOONG_ANDROID_MK) --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo $(KATI_FIND_EMULATOR) -f build/core/main.mk $(KATI_GOALS) --gen_all_targets BUILDING_WITH_NINJA=true SOONG_ANDROID_MK=$(SOONG_ANDROID_MK)
-
-ifneq ($(USE_SOONG_FOR_KATI),true)
-KATI_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
-KATI_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
-# Build static ckati. Unfortunately Mac OS X doesn't officially support static exectuables.
-ifeq ($(BUILD_OS),linux)
-KATI_LD += -static
-endif
-
-KATI_INTERMEDIATES_PATH := $(HOST_OUT_INTERMEDIATES)/EXECUTABLES/ckati_intermediates
-KATI_BIN_PATH := $(HOST_OUT_EXECUTABLES)
-include build/kati/Makefile.ckati
-
-MAKEPARALLEL_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
-MAKEPARALLEL_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
-# Build static makeparallel. Unfortunately Mac OS X doesn't officially support static exectuables.
-ifeq ($(BUILD_OS),linux)
-MAKEPARALLEL_LD += -static
-endif
-
-MAKEPARALLEL_INTERMEDIATES_PATH := $(HOST_OUT_INTERMEDIATES)/EXECUTABLES/makeparallel_intermediates
-MAKEPARALLEL_BIN_PATH := $(HOST_OUT_EXECUTABLES)
-include build/tools/makeparallel/Makefile
-endif
+	+$(hide) $(KATI_MAKEPARALLEL) $(CKATI) --ninja --ninja_dir=$(OUT_DIR) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --no_ignore_dirty=$(SOONG_ANDROID_MK) --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo $(KATI_FIND_EMULATOR) -f build/core/main.mk $(KATI_GOALS) --gen_all_targets BUILDING_WITH_NINJA=true SOONG_ANDROID_MK=$(SOONG_ANDROID_MK)
 
 .PHONY: FORCE
 FORCE:
diff --git a/core/no_java_path/jar b/core/no_java_path/jar
new file mode 120000
index 0000000..8586397
--- /dev/null
+++ b/core/no_java_path/jar
@@ -0,0 +1 @@
+java
\ No newline at end of file
diff --git a/core/no_java_path/jarsigner b/core/no_java_path/jarsigner
new file mode 120000
index 0000000..8586397
--- /dev/null
+++ b/core/no_java_path/jarsigner
@@ -0,0 +1 @@
+java
\ No newline at end of file
diff --git a/core/no_java_path/java b/core/no_java_path/java
new file mode 100755
index 0000000..f3422f3
--- /dev/null
+++ b/core/no_java_path/java
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo "Error: JAVA_NOT_REQUIRED=true, $(basename $0) is unavailable." 1>&2
+exit 1
diff --git a/core/no_java_path/javac b/core/no_java_path/javac
new file mode 120000
index 0000000..8586397
--- /dev/null
+++ b/core/no_java_path/javac
@@ -0,0 +1 @@
+java
\ No newline at end of file
diff --git a/core/no_java_path/keytool b/core/no_java_path/keytool
new file mode 120000
index 0000000..8586397
--- /dev/null
+++ b/core/no_java_path/keytool
@@ -0,0 +1 @@
+java
\ No newline at end of file
diff --git a/core/package_internal.mk b/core/package_internal.mk
index fb21c2b..d67b78d 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -605,7 +605,7 @@
 	$(sign-package)
 
 # Rules to install the splits
-$(installed_apk_splits) : $(my_module_path)/$(LOCAL_MODULE)_%.apk : $(built_module_path)/package_%.apk | $(ACP)
+$(installed_apk_splits) : $(my_module_path)/$(LOCAL_MODULE)_%.apk : $(built_module_path)/package_%.apk
 	@echo "Install: $@"
 	$(copy-file-to-new-target)
 
diff --git a/core/phony_package.mk b/core/phony_package.mk
index 866b13c..b534335 100644
--- a/core/phony_package.mk
+++ b/core/phony_package.mk
@@ -7,7 +7,7 @@
 
 include $(BUILD_SYSTEM)/base_rules.mk
 
-$(LOCAL_BUILT_MODULE): $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(hide) echo "Fake: $@"
 	$(hide) mkdir -p $(dir $@)
 	$(hide) touch $@
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index a3f169b..675ce32 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -111,7 +111,7 @@
 ifdef prebuilt_module_is_a_library
 export_includes := $(intermediates)/export_includes
 $(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE_DEP)
+$(export_includes) :
 	@echo Export includes file: $< -- $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef LOCAL_EXPORT_C_INCLUDE_DIRS
@@ -221,7 +221,7 @@
 #######################################
 ifneq ($(LOCAL_REPLACE_PREBUILT_APK_INSTALLED),)
 # There is a replacement for the prebuilt .apk we can install without any processing.
-$(built_module) : $(LOCAL_REPLACE_PREBUILT_APK_INSTALLED) | $(ACP)
+$(built_module) : $(LOCAL_REPLACE_PREBUILT_APK_INSTALLED)
 	$(transform-prebuilt-to-target)
 
 else  # ! LOCAL_REPLACE_PREBUILT_APK_INSTALLED
@@ -239,7 +239,7 @@
 endif
 $(built_module): PRIVATE_EMBEDDED_JNI_LIBS := $(embedded_prebuilt_jni_libs)
 
-$(built_module) : $(my_prebuilt_src_file) | $(ACP) $(ZIPALIGN) $(SIGNAPK_JAR) $(AAPT)
+$(built_module) : $(my_prebuilt_src_file) | $(ZIPALIGN) $(SIGNAPK_JAR) $(AAPT)
 	$(transform-prebuilt-to-target)
 	$(uncompress-shared-libs)
 ifdef LOCAL_DEX_PREOPT
@@ -285,12 +285,12 @@
 
 $(built_apk_splits) : PRIVATE_PRIVATE_KEY := $(LOCAL_CERTIFICATE).pk8
 $(built_apk_splits) : PRIVATE_CERTIFICATE := $(LOCAL_CERTIFICATE).x509.pem
-$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk | $(ACP) $(AAPT)
+$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk | $(AAPT)
 	$(copy-file-to-new-target)
 	$(sign-package)
 
 # Rules to install the split apks.
-$(installed_apk_splits) : $(my_module_path)/%.apk : $(built_module_path)/%.apk | $(ACP)
+$(installed_apk_splits) : $(my_module_path)/%.apk : $(built_module_path)/%.apk
 	@echo "Install: $@"
 	$(copy-file-to-new-target)
 
@@ -315,7 +315,7 @@
 ifneq ($(dexpreopt_boot_jar_module),) # boot jar
 # boot jar's rules are defined in dex_preopt.mk
 dexpreopted_boot_jar := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(dexpreopt_boot_jar_module)_nodex.jar
-$(built_module) : $(dexpreopted_boot_jar) | $(ACP)
+$(built_module) : $(dexpreopted_boot_jar)
 	$(call copy-file-to-target)
 
 # For libart boot jars, we don't have .odex files.
@@ -326,27 +326,27 @@
 	@echo "Dexpreopt Jar: $(PRIVATE_MODULE) ($@)"
 	$(call dexpreopt-one-file,$<,$@)
 
-$(built_module) : $(my_prebuilt_src_file) | $(ACP)
+$(built_module) : $(my_prebuilt_src_file)
 	$(call copy-file-to-target)
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
 	$(call dexpreopt-remove-classes.dex,$@)
 endif
 endif # boot jar
 else # ! LOCAL_DEX_PREOPT
-$(built_module) : $(my_prebuilt_src_file) | $(ACP)
+$(built_module) : $(my_prebuilt_src_file)
 	$(call copy-file-to-target)
 endif # LOCAL_DEX_PREOPT
 
 else  # ! prebuilt_module_is_dex_javalib
 ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
 $(built_module) : $(my_prebuilt_src_file)
+ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
 	$(transform-prebuilt-to-target-strip-comments)
-else ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
-$(built_module) : $(my_prebuilt_src_file) | $(ACP)
-	$(transform-prebuilt-to-target)
 else
-$(built_module) : $(my_prebuilt_src_file)
-	$(copy-file-to-target-with-cp)
+	$(transform-prebuilt-to-target)
+endif
+ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
+	$(hide) chmod +x $@
 endif
 endif # ! prebuilt_module_is_dex_javalib
 endif # LOCAL_MODULE_CLASS != APPS
@@ -363,7 +363,7 @@
 
 ifeq ($(prebuilt_module_is_dex_javalib),true)
 # For prebuilt shared Java library we don't have classes.jar.
-$(common_javalib_jar) : $(my_src_jar) | $(ACP)
+$(common_javalib_jar) : $(my_src_jar)
 	$(transform-prebuilt-to-target)
 
 else  # ! prebuilt_module_is_dex_javalib
@@ -381,10 +381,10 @@
 
 endif
 
-$(common_classes_jar) : $(my_src_jar) | $(ACP)
+$(common_classes_jar) : $(my_src_jar)
 	$(transform-prebuilt-to-target)
 
-$(common_javalib_jar) : $(common_classes_jar) | $(ACP)
+$(common_javalib_jar) : $(common_classes_jar)
 	$(transform-prebuilt-to-target)
 
 $(call define-jar-to-toc-rule, $(common_classes_jar))
@@ -432,7 +432,7 @@
 
 # We may be building classes.jack from a host jar for host dalvik Java library.
 $(intermediates.COMMON)/classes.jack : PRIVATE_JACK_FLAGS:=$(LOCAL_JACK_FLAGS)
-$(intermediates.COMMON)/classes.jack : $(my_src_jar) $(LOCAL_MODULE_MAKEFILE_DEP) \
+$(intermediates.COMMON)/classes.jack : $(my_src_jar) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK) | setup-jack-server
 	$(transform-jar-to-jack)
 
@@ -444,6 +444,6 @@
 endif # ! prebuilt_module_is_dex_javalib
 endif # JAVA_LIBRARIES
 
-$(built_module) : $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(built_module) : $(LOCAL_ADDITIONAL_DEPENDENCIES)
 
 my_prebuilt_src_file :=
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index b9a5e3e..6fec460 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -76,7 +76,6 @@
         $(all_libraries) \
         $(my_target_crtbegin_so_o) \
         $(my_target_crtend_so_o) \
-        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-o-to-shared-lib)
 
diff --git a/core/soong.mk b/core/soong.mk
index 578aac9..e070d6b 100644
--- a/core/soong.mk
+++ b/core/soong.mk
@@ -1,18 +1,24 @@
 SOONG_OUT_DIR := $(OUT_DIR)/soong
+
+# This needs to exist before the realpath checks below
+$(shell mkdir -p $(SOONG_OUT_DIR))
+
+ifeq (,$(filter /%,$(SOONG_OUT_DIR)))
+SOONG_TOP_RELPATH := $(shell python -c "import os; print os.path.relpath('$(TOP)', '$(SOONG_OUT_DIR)')")
+# Protect against out being a symlink and relative paths not working
+ifneq ($(realpath $(SOONG_OUT_DIR)/$(SOONG_TOP_RELPATH)),$(realpath $(TOP)))
+SOONG_OUT_DIR := $(abspath $(SOONG_OUT_DIR))
+SOONG_TOP_RELPATH := $(abspath $(TOP))
+endif
+else
+SOONG_TOP_RELPATH := $(abspath $(TOP))
+endif
+
 SOONG := $(SOONG_OUT_DIR)/soong
 SOONG_BUILD_NINJA := $(SOONG_OUT_DIR)/build.ninja
 SOONG_ANDROID_MK := $(SOONG_OUT_DIR)/Android.mk
 SOONG_VARIABLES := $(SOONG_OUT_DIR)/soong.variables
 SOONG_IN_MAKE := $(SOONG_OUT_DIR)/.soong.in_make
-SOONG_HOST_EXECUTABLES := $(SOONG_OUT_DIR)/host/$(HOST_PREBUILT_TAG)/bin
-KATI := $(SOONG_HOST_EXECUTABLES)/ckati
-MAKEPARALLEL := $(SOONG_HOST_EXECUTABLES)/makeparallel
-
-ifeq (,$(filter /%,$(SOONG_OUT_DIR)))
-SOONG_TOP_RELPATH := $(shell python -c "import os; print os.path.relpath('$(TOP)', '$(SOONG_OUT_DIR)')")
-else
-SOONG_TOP_RELPATH := $(realpath $(TOP))
-endif
 
 # Bootstrap soong.  Run only the first time for clean builds
 $(SOONG):
@@ -26,11 +32,10 @@
 	$(hide) mkdir -p $(dir $@)
 	$(hide) (\
 	echo '{'; \
-	echo '    "Device_uses_jemalloc": $(if $(filter true,$(MALLOC_SVELTE)),false,true),'; \
-	echo '    "Device_uses_dlmalloc": $(if $(filter true,$(MALLOC_SVELTE)),true,false),'; \
 	echo '    "Platform_sdk_version": $(PLATFORM_SDK_VERSION),'; \
 	echo '    "Unbundled_build": $(if $(TARGET_BUILD_APPS),true,false),'; \
 	echo '    "Brillo": $(if $(BRILLO),true,false),'; \
+	echo '    "Malloc_not_svelte": $(if $(filter true,$(MALLOC_SVELTE)),false,true),'; \
 	echo ''; \
 	echo '    "DeviceName": "$(TARGET_DEVICE)",'; \
 	echo '    "DeviceArch": "$(TARGET_ARCH)",'; \
@@ -64,7 +69,4 @@
 
 # Build an Android.mk listing all soong outputs as prebuilts
 $(SOONG_ANDROID_MK): $(SOONG) $(SOONG_VARIABLES) $(SOONG_IN_MAKE) FORCE
-	$(hide) $(SOONG) $(KATI) $(MAKEPARALLEL) $(NINJA_ARGS)
-
-$(KATI): $(SOONG_ANDROID_MK)
-$(MAKEPARALLEL): $(SOONG_ANDROID_MK)
+	$(hide) $(SOONG) $(SOONG_BUILD_NINJA) $(NINJA_ARGS)
diff --git a/core/static_library_internal.mk b/core/static_library_internal.mk
index cabe823..2b49046 100644
--- a/core/static_library_internal.mk
+++ b/core/static_library_internal.mk
@@ -20,14 +20,6 @@
 
 include $(BUILD_SYSTEM)/binary.mk
 
-ifeq ($(LOCAL_RAW_STATIC_LIBRARY),true)
-LOCAL_RAW_STATIC_LIBRARY:=
-$(all_objects) : PRIVATE_TARGET_PROJECT_INCLUDES :=
-$(all_objects) : PRIVATE_TARGET_C_INCLUDES :=
-$(all_objects) : PRIVATE_TARGET_GLOBAL_CFLAGS :=
-$(all_objects) : PRIVATE_TARGET_GLOBAL_CPPFLAGS :=
-endif
-
 $(LOCAL_BUILT_MODULE) : $(built_whole_libraries)
 $(LOCAL_BUILT_MODULE) : $(all_objects)
 	$(transform-o-to-static-lib)
diff --git a/core/target_test_internal.mk b/core/target_test_internal.mk
index 4715fe8..030ca40 100644
--- a/core/target_test_internal.mk
+++ b/core/target_test_internal.mk
@@ -4,8 +4,6 @@
 
 LOCAL_CFLAGS += -DGTEST_OS_LINUX_ANDROID -DGTEST_HAS_STD_STRING
 
-LOCAL_C_INCLUDES += external/gtest/include
-
 ifndef LOCAL_SDK_VERSION
 LOCAL_STATIC_LIBRARIES += libgtest_main libgtest
 else
diff --git a/envsetup.sh b/envsetup.sh
index 8153224..b1aab34 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -715,11 +715,18 @@
     local T="$1"
     test "$WITH_STATIC_ANALYZER" = "0" && unset WITH_STATIC_ANALYZER
     if [ -n "$WITH_STATIC_ANALYZER" ]; then
+        # Use scan-build to collect all static analyzer reports into directory
+        # /tmp/scan-build-yyyy-mm-dd-hhmmss-*
+        # The clang compiler passed by --use-analyzer here is not important.
+        # build/core/binary.mk will set CLANG_CXX and CLANG before calling
+        # c++-analyzer and ccc-analyzer.
+        local CLANG_VERSION=$(get_build_var LLVM_PREBUILTS_VERSION)
+        local BUILD_OS=$(get_build_var BUILD_OS)
+        local CLANG_DIR="$T/prebuilts/clang/host/${BUILD_OS}-x86/${CLANG_VERSION}"
         echo "\
-$T/prebuilts/misc/linux-x86/analyzer/tools/scan-build/scan-build \
---use-analyzer $T/prebuilts/misc/linux-x86/analyzer/bin/analyzer \
---status-bugs \
---top=$T"
+${CLANG_DIR}/tools/scan-build/bin/scan-build \
+--use-analyzer ${CLANG_DIR}/bin/clang \
+--status-bugs"
     fi
 }
 
@@ -1022,7 +1029,7 @@
         return;
     fi;
     echo "Setting core limit for $PID to infinite...";
-    adb shell prlimit $PID 4 -1 -1
+    adb shell /system/bin/ulimit -p $PID -c unlimited
 }
 
 # core - send SIGV and pull the core for process
diff --git a/libs/host/Android.mk b/libs/host/Android.mk
index bc25e4b..5e6a291 100644
--- a/libs/host/Android.mk
+++ b/libs/host/Android.mk
@@ -12,10 +12,6 @@
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
 LOCAL_CXX_STL := none
 
-# acp uses libhost, so we can't use
-# acp to install libhost.
-LOCAL_ACP_UNAVAILABLE:= true
-
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 # Include toolchain prebuilt modules if they exist.
diff --git a/tools/acp/Android.mk b/tools/acp/Android.mk
index eec9c9d..56aac14 100644
--- a/tools/acp/Android.mk
+++ b/tools/acp/Android.mk
@@ -11,7 +11,6 @@
 
 LOCAL_STATIC_LIBRARIES := libhost
 LOCAL_MODULE := acp
-LOCAL_ACP_UNAVAILABLE := true
 LOCAL_CXX_STL := none
 
 include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/apicheck/Android.mk b/tools/apicheck/Android.mk
index 1674a17..b547058 100644
--- a/tools/apicheck/Android.mk
+++ b/tools/apicheck/Android.mk
@@ -15,26 +15,15 @@
 ifneq ($(TARGET_BUILD_PDK),true)
 LOCAL_PATH := $(call my-dir)
 
-# We use copy-file-to-new-target so that the installed
-# script file's timestamp is at least as new as the
-# .jar file it wraps.
-
-#TODO(dbort): add a template to do this stuff; share with jx
-
 # the hat script
 # ============================================================
 include $(CLEAR_VARS)
 LOCAL_IS_HOST_MODULE := true
 LOCAL_MODULE_CLASS := EXECUTABLES
 LOCAL_MODULE := apicheck
-
-include $(BUILD_SYSTEM)/base_rules.mk
-
-$(LOCAL_BUILT_MODULE): $(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/etc/apicheck | $(ACP)
-	@echo "Copy: $(PRIVATE_MODULE) ($@)"
-	$(copy-file-to-new-target)
-	$(hide) chmod 755 $@
+LOCAL_SRC_FILES := etc/apicheck
+LOCAL_REQUIRED_MODULES := doclava
+include $(BUILD_PREBUILT)
 
 # Apicheck is now part of Doclava -- See external/doclava.
 endif
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/fs_config/Android.mk b/tools/fs_config/Android.mk
index 34a3522..be140b5 100644
--- a/tools/fs_config/Android.mk
+++ b/tools/fs_config/Android.mk
@@ -37,6 +37,13 @@
 ANDROID_FS_CONFIG_H := android_filesystem_config.h
 
 ifneq ($(TARGET_ANDROID_FILESYSTEM_CONFIG_H),)
+
+# One and only one file can be specified.
+ifneq ($(words $(TARGET_ANDROID_FILESYSTEM_CONFIG_H)),1)
+$(error Multiple fs_config files specified, \
+ see "$(TARGET_ANDROID_FILESYSTEM_CONFIG_H)".)
+endif
+
 ifeq ($(filter %/$(ANDROID_FS_CONFIG_H),$(TARGET_ANDROID_FILESYSTEM_CONFIG_H)),)
 $(error TARGET_ANDROID_FILESYSTEM_CONFIG_H file name must be $(ANDROID_FS_CONFIG_H), \
  see "$(notdir $(TARGET_ANDROID_FILESYSTEM_CONFIG_H))".)
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 4d0d8a5..a5c0165 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -1077,7 +1077,8 @@
   if oem_props is not None and len(oem_props) > 0:
     if OPTIONS.oem_source is None:
       raise common.ExternalError("OEM source required for this build")
-    script.Mount("/oem", recovery_mount_options)
+    if not OPTIONS.oem_no_mount:
+      script.Mount("/oem", recovery_mount_options)
     oem_dict = common.LoadDictionaryFromLines(
         open(OPTIONS.oem_source).readlines())
 
diff --git a/tools/releasetools/target_files_diff.py b/tools/releasetools/target_files_diff.py
index 196d2e8..2cf9051 100755
--- a/tools/releasetools/target_files_diff.py
+++ b/tools/releasetools/target_files_diff.py
@@ -51,10 +51,6 @@
               'RECOVERY/RAMDISK/selinux_version']:
     return True
 
-  # b/26956807 .odex files are not deterministic
-  if name.endswith('.odex'):
-    return True
-
   return False