Merge changes from topics 'soong_ui_installclean', 'soong_ui_version',...

# Soong module variant change, remove obsolete intermediates

$(call add-clean-step, rm -rf $(OUT_DIR)/soong/.intermediates)

# Version checking moving to Soong

$(call add-clean-step, rm -rf $(OUT_DIR)/versions_checked.mk)

# ************************************************

# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST

# ************************************************

#

# Don't bother with the cleanspecs if you are running mm/mmm

ifeq ($(ONE_SHOT_MAKEFILE)$(dont_bother),)

ifeq ($(ONE_SHOT_MAKEFILE)$(dont_bother)$(NO_ANDROID_CLEANSPEC),)

INTERNAL_CLEAN_STEPS :=

INTERNAL_CLEAN_STEPS :=

INTERNAL_CLEAN_BUILD_VERSION :=

endif  # if not ONE_SHOT_MAKEFILE dont_bother

# Since products and build variants (unfortunately) share the same

# PRODUCT_OUT staging directory, things can get out of sync if different

# build configurations are built in the same tree.  The following logic

# will notice when the configuration has changed and remove the files

# necessary to keep things consistent.

previous_build_config_file := $(PRODUCT_OUT)/previous_build_config.mk

current_build_config_file := $(PRODUCT_OUT)/current_build_config.mk

current_build_config := \

    $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)

force_installclean := false

# Read the current state from the file, if present.

# Will set PREVIOUS_BUILD_CONFIG.

#

PREVIOUS_BUILD_CONFIG :=

-include $(previous_build_config_file)

PREVIOUS_BUILD_CONFIG := $(strip $(PREVIOUS_BUILD_CONFIG))

ifdef PREVIOUS_BUILD_CONFIG

  ifneq ($(current_build_config),$(PREVIOUS_BUILD_CONFIG))

    $(info *** Build configuration changed: "$(PREVIOUS_BUILD_CONFIG)" -> "$(current_build_config)")

    ifneq ($(DISABLE_AUTO_INSTALLCLEAN),true)

      force_installclean := true

    else

      $(info DISABLE_AUTO_INSTALLCLEAN is set; skipping auto-clean. Your tree may be in an inconsistent state.)

    endif

  endif

endif  # else, this is the first build, so no need to clean.

# Write the new state to the file.

#

$(shell \

  mkdir -p $(dir $(current_build_config_file)) && \

  echo "PREVIOUS_BUILD_CONFIG := $(current_build_config)" > \

      $(current_build_config_file) \

 )

$(shell cmp $(current_build_config_file) $(previous_build_config_file) > /dev/null 2>&1 || \

  mv -f $(current_build_config_file) $(previous_build_config_file))

PREVIOUS_BUILD_CONFIG :=

previous_build_config_file :=

current_build_config_file :=

current_build_config :=

endif  # if not ONE_SHOT_MAKEFILE dont_bother NO_ANDROID_CLEANSPEC

#

# installclean logic

	$(hide) rm -rf $(FILES)

	@echo "Deleted images and staging directories."

ifeq ($(force_installclean),true)

  $(info *** Forcing "make installclean"...)

  $(info *** rm -rf $(dataclean_files) $(installclean_files))

  $(shell rm -rf $(dataclean_files) $(installclean_files))

  $(info *** Done with the cleaning, now starting the real build.)

endif

force_installclean :=

###########################################################

.PHONY: clean-jack-files

# These goals don't need to collect and include Android.mks/CleanSpec.mks

# in the source tree.

dont_bother_goals := clean clobber dataclean installclean \

dont_bother_goals := dataclean installclean \

    help out \

    snod systemimage-nodeps \

    stnod systemtarball-nodeps \

# Include the google-specific config

-include vendor/google/build/config.mk

VERSION_CHECK_SEQUENCE_NUMBER := 6

JAVA_NOT_REQUIRED_CHECKED :=

-include $(OUT_DIR)/versions_checked.mk

ifneq ($(VERSION_CHECK_SEQUENCE_NUMBER)$(JAVA_NOT_REQUIRED),$(VERSIONS_CHECKED)$(JAVA_NOT_REQUIRED_CHECKED))

$(info Checking build tools versions...)

# check for a case sensitive file system

ifneq (a,$(shell mkdir -p $(OUT_DIR) ; \

                echo a > $(OUT_DIR)/casecheck.txt; \

                    echo B > $(OUT_DIR)/CaseCheck.txt; \

                cat $(OUT_DIR)/casecheck.txt))

$(warning ************************************************************)

$(warning You are building on a case-insensitive filesystem.)

$(warning Please move your source tree to a case-sensitive filesystem.)

$(warning ************************************************************)

$(error Case-insensitive filesystems not supported)

endif

# Make sure that there are no spaces in the absolute path; the

# build system can't deal with them.

ifneq ($(words $(shell pwd)),1)

$(warning ************************************************************)

$(warning You are building in a directory whose absolute path contains)

$(warning a space character:)

$(warning $(space))

$(warning "$(shell pwd)")

$(warning $(space))

$(warning Please move your source tree to a path that does not contain)

$(warning any spaces.)

$(warning ************************************************************)

$(error Directory names containing spaces not supported)

endif

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)

# Check for the correct version of java, should be 1.8 by

# default and only 1.7 if LEGACY_USE_JAVA7 is set.

ifeq ($(LEGACY_USE_JAVA7),) # if LEGACY_USE_JAVA7 == ''

required_version := "1.8.x"

required_javac_version := "1.8"

java_version := $(shell echo '$(java_version_str)' | grep '[ "]1\.8[\. "$$]')

javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.8[\. "$$]')

else

required_version := "1.7.x"

required_javac_version := "1.7"

java_version := $(shell echo '$(java_version_str)' | grep '^java .*[ "]1\.7[\. "$$]')

javac_version := $(shell echo '$(javac_version_str)' | grep '[ "]1\.7[\. "$$]')

endif # if LEGACY_USE_JAVA7 == ''

ifeq ($(strip $(java_version)),)

$(info ************************************************************)

$(info You are attempting to build with the incorrect version)

$(info of java.)

$(info $(space))

$(info Your version is: $(java_version_str).)

$(info The required version is: $(required_version))

$(info $(space))

$(info Please follow the machine setup instructions at)

$(info $(space)$(space)$(space)$(space)https://source.android.com/source/initializing.html)

$(info ************************************************************)

$(error stop)

endif

# Check for the current JDK.

#

# For Java 1.7/1.8, we require OpenJDK on linux and Oracle JDK on Mac OS.

requires_openjdk := false

ifeq ($(BUILD_OS),linux)

requires_openjdk := true

endif

# Check for the current jdk

ifeq ($(requires_openjdk), true)

# The user asked for openjdk, so check that the host

# java version is really openjdk and not some other JDK.

ifeq ($(shell echo '$(java_version_str)' | grep -i openjdk),)

$(info ************************************************************)

$(info You asked for an OpenJDK based build but your version is)

$(info $(java_version_str).)

$(info ************************************************************)

$(error stop)

endif # java version is not OpenJdk

else # if requires_openjdk

ifneq ($(shell echo '$(java_version_str)' | grep -i openjdk),)

$(info ************************************************************)

$(info You are attempting to build with an unsupported JDK.)

$(info $(space))

$(info You use OpenJDK but only Sun/Oracle JDK is supported.)

$(info Please follow the machine setup instructions at)

$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)

$(info ************************************************************)

$(error stop)

endif # java version is not Sun Oracle JDK

endif # if requires_openjdk

KNOWN_INCOMPATIBLE_JAVAC_VERSIONS := google

incompat_javac := $(foreach v,$(KNOWN_INCOMPATIBLE_JAVAC_VERSIONS),$(findstring $(v),$(javac_version_str)))

ifneq ($(incompat_javac),)

javac_version :=

endif

# Check for the correct version of javac

ifeq ($(strip $(javac_version)),)

$(info ************************************************************)

$(info You are attempting to build with the incorrect version)

$(info of javac.)

$(info $(space))

$(info Your version is: $(javac_version_str).)

ifneq ($(incompat_javac),)

$(info This '$(incompat_javac)' version is not supported for Android platform builds.)

$(info Use a publicly available JDK and make sure you have run envsetup.sh / lunch.)

else

$(info The required version is: $(required_javac_version))

endif

$(info $(space))

$(info Please follow the machine setup instructions at)

$(info $(space)$(space)$(space)$(space)https://source.android.com/source/download.html)

$(info ************************************************************)

$(error stop)

endif

endif # if JAVA_NOT_REQUIRED

ifndef BUILD_EMULATOR

  # Emulator binaries are now provided under prebuilts/android-emulator/

  BUILD_EMULATOR := false

endif

$(shell echo 'VERSIONS_CHECKED := $(VERSION_CHECK_SEQUENCE_NUMBER)' \

        > $(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

# change the behavior of the build.

# (must be defined before including definitions.make)

.PHONY: findbugs

findbugs: $(INTERNAL_FINDBUGS_HTML_TARGET) $(INTERNAL_FINDBUGS_XML_TARGET)

.PHONY: clean

clean:

	@rm -rf $(OUT_DIR)/*

	@echo "Entire build directory removed."

.PHONY: clobber

clobber: clean

# The rules for dataclean and installclean are defined in cleanbuild.mk.

#xxx scrape this from ALL_MODULE_NAME_TAGS