Integrate dexpreopt into the build system.
Change-Id: Id67f85d0f5c8674f5bc22e431114ca73625811ef
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
new file mode 100644
index 0000000..b036443
--- /dev/null
+++ b/core/dex_preopt.mk
@@ -0,0 +1,73 @@
+####################################
+# Dexpreopt on the boot jars
+#
+####################################
+
+# TODO: replace it with device's BOOTCLASSPATH
+DEXPREOPT_BOOT_JARS := core:bouncycastle:ext:framework:android.policy:services:core-junit
+DEXPREOPT_BOOT_JARS_MODULES := $(subst :, ,$(DEXPREOPT_BOOT_JARS))
+
+DEXPREOPT_BUILD_DIR := $(OUT_DIR)
+DEXPREOPT_PRODUCT_DIR := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(PRODUCT_OUT))/dex_bootjars
+DEXPREOPT_BOOT_JAR_DIR := system/framework
+DEXPREOPT_DEXOPT := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(DEXOPT))
+
+DEXPREOPT_BOOT_JAR_DIR_FULL_PATH := $(DEXPREOPT_BUILD_DIR)/$(DEXPREOPT_PRODUCT_DIR)/$(DEXPREOPT_BOOT_JAR_DIR)
+
+DEXPREOPT_BOOT_ODEXS := $(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),\
+ $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(b).odex)
+
+# $(1): the .jar or .apk to remove classes.dex
+define dexpreopt-remove-classes.dex
+$(hide) $(AAPT) remove $(1) classes.dex
+endef
+
+# $(1): the input .jar or .apk file
+# $(2): the output .odex file
+define dexpreopt-one-file
+$(hide) $(DEXPREOPT) --dexopt=$(DEXPREOPT_DEXOPT) --build-dir=$(DEXPREOPT_BUILD_DIR) \
+ --product-dir=$(DEXPREOPT_PRODUCT_DIR) --boot-dir=$(DEXPREOPT_BOOT_JAR_DIR) \
+ --boot-jars=$(DEXPREOPT_BOOT_JARS) \
+ $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(1)) \
+ $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(2))
+endef
+
+# $(1): boot jar module name
+define _dexpreopt-boot-jar
+$(eval _dbj_jar := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1).jar)
+$(eval _dbj_odex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1).odex)
+$(eval _dbj_jar_no_dex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1)_nodex.jar)
+$(eval _dbj_src_jar := $(call intermediates-dir-for,JAVA_LIBRARIES,$(1),,COMMON)/javalib.dex.jar)
+$(eval $(_dbj_odex): PRIVATE_DBJ_JAR := $(_dbj_jar))
+$(_dbj_odex) : $(_dbj_src_jar) | $(ACP) $(DEXPREOPT) $(DEXOPT)
+ @echo "Dexpreopt Boot Jar: $$@"
+ $(hide) rm -f $$@
+ $(hide) mkdir -p $$(dir $$@)
+ $(hide) $(ACP) -fpt $$< $$(PRIVATE_DBJ_JAR)
+ $$(call dexpreopt-one-file,$$(PRIVATE_DBJ_JAR),$$@)
+
+$(_dbj_jar_no_dex) : $(_dbj_src_jar) | $(ACP) $(AAPT)
+ $$(call copy-file-to-target)
+ $$(call dexpreopt-remove-classes.dex,$$@)
+
+$(eval _dbj_jar :=)
+$(eval _dbj_odex :=)
+$(eval _dbj_src_jar :=)
+endef
+
+$(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-jar,$(b))))
+
+# $(1): the rest list of boot jars
+define _build-dexpreopt-boot-jar-dependency-pair
+$(if $(filter 1,$(words $(1)))$(filter 0,$(words $(1))),,\
+ $(eval _bdbjdp_target := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(word 2,$(1)).odex) \
+ $(eval _bdbjdp_dep := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(word 1,$(1)).odex) \
+ $(eval $(call add-dependency,$(_bdbjdp_target),$(_bdbjdp_dep))) \
+ $(eval $(call _build-dexpreopt-boot-jar-dependency-pair,$(wordlist 2,999,$(1)))))
+endef
+
+define _build-dexpreopt-boot-jar-dependency
+$(call _build-dexpreopt-boot-jar-dependency-pair,$(DEXPREOPT_BOOT_JARS_MODULES))
+endef
+
+$(eval $(call _build-dexpreopt-boot-jar-dependency))