Merge "Clean intermediate files if SANITIZE_TARGET has changed."

current_build_config := \

    $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)-{$(aapt_config_list)}

current_sanitize_target := $(strip $(SANITIZE_TARGET))

ifeq (,$(current_sanitize_target))

  current_sanitize_target := false

endif

aapt_config_list :=

force_installclean := false

force_objclean := false

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

# Will set PREVIOUS_BUILD_CONFIG.

#

PREVIOUS_BUILD_CONFIG :=

PREVIOUS_SANITIZE_TARGET :=

-include $(previous_build_config_file)

PREVIOUS_BUILD_CONFIG := $(strip $(PREVIOUS_BUILD_CONFIG))

PREVIOUS_SANITIZE_TARGET := $(strip $(PREVIOUS_SANITIZE_TARGET))

ifdef PREVIOUS_BUILD_CONFIG

  ifneq "$(current_build_config)" "$(PREVIOUS_BUILD_CONFIG)"

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

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

PREVIOUS_BUILD_CONFIG :=

ifdef PREVIOUS_SANITIZE_TARGET

  ifneq "$(current_sanitize_target)" "$(PREVIOUS_SANITIZE_TARGET)"

    $(info *** SANITIZE_TARGET changed: "$(PREVIOUS_SANITIZE_TARGET)" -> "$(current_sanitize_target)")

    force_objclean := true

  endif

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

PREVIOUS_SANITIZE_TARGET :=

# Write the new state to the file.

#

$(shell \

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

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

      $(previous_build_config_file) && \

  echo "PREVIOUS_SANITIZE_TARGET := $(current_sanitize_target)" >> \

      $(previous_build_config_file) \

 )

previous_build_config_file :=

	$(PRODUCT_OUT)/data-qemu/* \

	$(PRODUCT_OUT)/userdata-qemu.img

# The files/dirs to delete during an objclean, which removes any files

# in the staging and emulator data partitions.

objclean_files := \

	$(TARGET_OUT_INTERMEDIATES) \

	$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES)

# make sure *_OUT is set so that we won't result in deleting random parts

# of the filesystem.

ifneq (2,$(words $(HOST_OUT) $(PRODUCT_OUT)))

	$(hide) rm -rf $(FILES)

	@echo "Deleted images and staging directories."

.PHONY: objclean

objclean: FILES := $(objclean_files)

objclean:

	$(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))

endif

force_installclean :=

ifeq "$(force_objclean)" "true"

  $(info *** Forcing cleanup of intermediate files...)

  $(info *** rm -rf $(objclean_files))

  $(shell rm -rf $(objclean_files))

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

endif

force_objclean :=

.PHONY: clean-jack-files

clean-jack-files: clean-dex-files

	$(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f