dex_preopt.mk revision a20910f49587fba5fe84dd94eb25aa6d5399e2c4 
1####################################
2# dexpreopt support - typically used on user builds to run dexopt (for Dalvik) or dex2oat (for ART) ahead of time
3#
4####################################
5
6# list of boot classpath jars for dexpreopt
7DEXPREOPT_BOOT_JARS := $(subst $(space),:,$(PRODUCT_BOOT_JARS))
8DEXPREOPT_BOOT_JARS_MODULES := $(PRODUCT_BOOT_JARS)
9PRODUCT_BOOTCLASSPATH := $(subst $(space),:,$(foreach m,$(DEXPREOPT_BOOT_JARS_MODULES),/system/framework/$(m).jar))
10
11PRODUCT_SYSTEM_SERVER_CLASSPATH := $(subst $(space),:,$(foreach m,$(PRODUCT_SYSTEM_SERVER_JARS),/system/framework/$(m).jar))
12
13DEXPREOPT_BUILD_DIR := $(OUT_DIR)
14DEXPREOPT_PRODUCT_DIR_FULL_PATH := $(PRODUCT_OUT)/dex_bootjars
15DEXPREOPT_PRODUCT_DIR := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(DEXPREOPT_PRODUCT_DIR_FULL_PATH))
16DEXPREOPT_BOOT_JAR_DIR := system/framework
17DEXPREOPT_BOOT_JAR_DIR_FULL_PATH := $(DEXPREOPT_PRODUCT_DIR_FULL_PATH)/$(DEXPREOPT_BOOT_JAR_DIR)
18
19# The default value for LOCAL_DEX_PREOPT
20DEX_PREOPT_DEFAULT ?= true
21
22# The default values for pre-opting: always preopt PIC.
23# Conditional to building on linux, as dex2oat currently does not work on darwin.
24ifeq ($(HOST_OS),linux)
25  WITH_DEXPREOPT_PIC ?= true
26  WITH_DEXPREOPT ?= true
27# For an eng build only pre-opt the boot image. This gives reasonable performance and still
28# allows a simple workflow: building in frameworks/base and syncing.
29  ifeq (eng,$(TARGET_BUILD_VARIANT))
30    WITH_DEXPREOPT_BOOT_IMG_ONLY ?= true
31  endif
32# Add mini-debug-info to the boot classpath unless explicitly asked not to.
33  ifneq (false,$(WITH_DEXPREOPT_DEBUG_INFO))
34    PRODUCT_DEX_PREOPT_BOOT_FLAGS += --generate-mini-debug-info
35  endif
36endif
37
38GLOBAL_DEXPREOPT_FLAGS :=
39ifeq ($(WITH_DEXPREOPT_PIC),true)
40# Compile boot.oat as position-independent code if WITH_DEXPREOPT_PIC=true
41GLOBAL_DEXPREOPT_FLAGS += --compile-pic
42endif
43
44# $(1): the .jar or .apk to remove classes.dex
45define dexpreopt-remove-classes.dex
46$(hide) zip --quiet --delete $(1) classes.dex; \
47dex_index=2; \
48while zip --quiet --delete $(1) classes$${dex_index}.dex > /dev/null; do \
49  let dex_index=dex_index+1; \
50done
51endef
52
53# Special rules for building stripped boot jars that override java_library.mk rules
54
55# $(1): boot jar module name
56define _dexpreopt-boot-jar-remove-classes.dex
57_dbj_jar_no_dex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1)_nodex.jar
58_dbj_src_jar := $(call intermediates-dir-for,JAVA_LIBRARIES,$(1),,COMMON)/javalib.jar
59
60$$(_dbj_jar_no_dex) : $$(_dbj_src_jar) | $(ACP)
61	$$(call copy-file-to-target)
62ifneq ($(DEX_PREOPT_DEFAULT),nostripping)
63	$$(call dexpreopt-remove-classes.dex,$$@)
64endif
65
66_dbj_jar_no_dex :=
67_dbj_src_jar :=
68endef
69
70$(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-jar-remove-classes.dex,$(b))))
71
72include $(BUILD_SYSTEM)/dex_preopt_libart.mk
73
74# Define dexpreopt-one-file based on current default runtime.
75# $(1): the input .jar or .apk file
76# $(2): the output .odex file
77define dexpreopt-one-file
78$(call dex2oat-one-file,$(1),$(2))
79endef
80
81DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS := $(DEX2OAT_DEPENDENCY)
82DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $(DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
83ifdef TARGET_2ND_ARCH
84$(TARGET_2ND_ARCH_VAR_PREFIX)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $($(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
85endif  # TARGET_2ND_ARCH
86