Merge "Only run Kati twice on a clean build due to clean_steps.mk"

# If the clean_steps.mk file is missing (usually after a clean build)

# then we won't do anything.

CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)

CURRENT_CLEAN_BUILD_VERSION := MISSING

CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)

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

clean_steps_file := $(PRODUCT_OUT)/clean_steps.mk

-include $(clean_steps_file)

ifneq ($(CURRENT_CLEAN_BUILD_VERSION),$(INTERNAL_CLEAN_BUILD_VERSION))

ifeq ($(CURRENT_CLEAN_BUILD_VERSION),MISSING)

  # Do nothing

else ifneq ($(CURRENT_CLEAN_BUILD_VERSION),$(INTERNAL_CLEAN_BUILD_VERSION))

  # The major clean version is out-of-date.  Do a full clean, and

  # don't even bother with the clean steps.

  $(info *** A clean build is required because of a recent change.)

# Write the new state to the file.

#

rewrite_clean_steps_file :=

ifneq ($(CURRENT_CLEAN_BUILD_VERSION)-$(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_BUILD_VERSION)-$(INTERNAL_CLEAN_STEPS))

rewrite_clean_steps_file := true

endif

ifeq ($(wildcard $(clean_steps_file)),)

# This is the first build.

rewrite_clean_steps_file := true

endif

ifeq ($(rewrite_clean_steps_file),true)

$(shell \

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

  echo "CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)" > \

      $(clean_steps_file) ;\

  echo "CURRENT_CLEAN_STEPS := $(wordlist 1,500,$(INTERNAL_CLEAN_STEPS))" >> $(clean_steps_file) \

 )

define -cs-write-clean-steps-if-arg1-not-empty

$(if $(1),$(shell echo "CURRENT_CLEAN_STEPS += $(1)" >> $(clean_steps_file)))

endef

$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 501,1000,$(INTERNAL_CLEAN_STEPS)))

$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1001,1500,$(INTERNAL_CLEAN_STEPS)))

$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1501,2000,$(INTERNAL_CLEAN_STEPS)))

$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2001,2500,$(INTERNAL_CLEAN_STEPS)))

$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2501,3000,$(INTERNAL_CLEAN_STEPS)))

$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 3001,99999,$(INTERNAL_CLEAN_STEPS)))

$(shell mkdir -p $(dir $(clean_steps_file)))

$(file >$(clean_steps_file).tmp,CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)$(newline)CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)$(newline))

$(shell if ! cmp -s $(clean_steps_file).tmp $(clean_steps_file); then \

          mv $(clean_steps_file).tmp $(clean_steps_file); \

        else \

          rm $(clean_steps_file).tmp; \

        fi)

endif

CURRENT_CLEAN_BUILD_VERSION :=

CURRENT_CLEAN_STEPS :=

clean_steps_file :=

rewrite_clean_steps_file :=

INTERNAL_CLEAN_STEPS :=

INTERNAL_CLEAN_BUILD_VERSION :=