core/dex_preopt.mk

####################################
# dexpreopt support - typically used on user builds to run dexopt (for Dalvik) or dex2oat (for ART) ahead of time
#
####################################

# list of boot classpath jars for dexpreopt
DEXPREOPT_BOOT_JARS := $(subst $(space),:,$(PRODUCT_BOOT_JARS))
DEXPREOPT_BOOT_JARS_MODULES := $(PRODUCT_BOOT_JARS)
PRODUCT_BOOTCLASSPATH := $(subst $(space),:,$(foreach m,$(DEXPREOPT_BOOT_JARS_MODULES),/system/framework/$(m).jar))

PRODUCT_SYSTEM_SERVER_CLASSPATH := $(subst $(space),:,$(foreach m,$(PRODUCT_SYSTEM_SERVER_JARS),/system/framework/$(m).jar))

DEXPREOPT_BUILD_DIR := $(OUT_DIR)
DEXPREOPT_PRODUCT_DIR_FULL_PATH := $(PRODUCT_OUT)/dex_bootjars
DEXPREOPT_PRODUCT_DIR := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(DEXPREOPT_PRODUCT_DIR_FULL_PATH))
DEXPREOPT_BOOT_JAR_DIR := system/framework
DEXPREOPT_BOOT_JAR_DIR_FULL_PATH := $(DEXPREOPT_PRODUCT_DIR_FULL_PATH)/$(DEXPREOPT_BOOT_JAR_DIR)

# The default value for LOCAL_DEX_PREOPT
DEX_PREOPT_DEFAULT ?= true

# The default values for pre-opting: always preopt PIC.
# Conditional to building on linux, as dex2oat currently does not work on darwin.
ifeq ($(HOST_OS),linux)
  WITH_DEXPREOPT_PIC ?= true
  WITH_DEXPREOPT ?= true
# For an eng build only pre-opt the boot image. This gives reasonable performance and still
# allows a simple workflow: building in frameworks/base and syncing.
  ifeq (eng,$(TARGET_BUILD_VARIANT))
    WITH_DEXPREOPT_BOOT_IMG_ONLY ?= true
  endif
# Add mini-debug-info to the boot classpath unless explicitly asked not to.
  ifneq (false,$(WITH_DEXPREOPT_DEBUG_INFO))
    PRODUCT_DEX_PREOPT_BOOT_FLAGS += --generate-mini-debug-info
  endif
endif

GLOBAL_DEXPREOPT_FLAGS :=
ifeq ($(WITH_DEXPREOPT_PIC),true)
# Compile boot.oat as position-independent code if WITH_DEXPREOPT_PIC=true
GLOBAL_DEXPREOPT_FLAGS += --compile-pic
endif

# $(1): the .jar or .apk to remove classes.dex
define dexpreopt-remove-classes.dex
$(hide) zip --quiet --delete $(1) classes.dex; \
dex_index=2; \
while zip --quiet --delete $(1) classes$${dex_index}.dex > /dev/null; do \
  let dex_index=dex_index+1; \
done
endef

# Special rules for building stripped boot jars that override java_library.mk rules

# $(1): boot jar module name
define _dexpreopt-boot-jar-remove-classes.dex
_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)
	$$(call copy-file-to-target)
ifneq ($(DEX_PREOPT_DEFAULT),nostripping)
	$$(call dexpreopt-remove-classes.dex,$$@)
endif

_dbj_jar_no_dex :=
_dbj_src_jar :=
endef

$(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-jar-remove-classes.dex,$(b))))

include $(BUILD_SYSTEM)/dex_preopt_libart.mk

# Define dexpreopt-one-file based on current default runtime.
# $(1): the input .jar or .apk file
# $(2): the output .odex file
define dexpreopt-one-file
$(call dex2oat-one-file,$(1),$(2))
endef

DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS := $(DEX2OAT_DEPENDENCY)
DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $(DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
ifdef TARGET_2ND_ARCH
$(TARGET_2ND_ARCH_VAR_PREFIX)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $($(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
endif  # TARGET_2ND_ARCH