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      1 # Copyright (C) 2007 The Android Open Source Project
      2 #
      3 # Licensed under the Apache License, Version 2.0 (the "License");
      4 # you may not use this file except in compliance with the License.
      5 # You may obtain a copy of the License at
      6 #
      7 #      http://www.apache.org/licenses/LICENSE-2.0
      8 #
      9 # Unless required by applicable law or agreed to in writing, software
     10 # distributed under the License is distributed on an "AS IS" BASIS,
     11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 # See the License for the specific language governing permissions and
     13 # limitations under the License.
     14 #
     15 
     16 # Don't bother with the cleanspecs if you are running mm/mmm
     17 ifeq ($(ONE_SHOT_MAKEFILE)$(dont_bother)$(NO_ANDROID_CLEANSPEC),)
     18 
     19 INTERNAL_CLEAN_STEPS :=
     20 
     21 # Builds up a list of clean steps.  Creates a unique
     22 # id for each step by taking makefile path, INTERNAL_CLEAN_BUILD_VERSION
     23 # and appending an increasing number of '@' characters.
     24 #
     25 # $(1): shell command to run
     26 # $(2): indicate to not use makefile path as part of step id if not empty.
     27 #       $(2) should only be used in build/core/cleanspec.mk: just for compatibility.
     28 define _add-clean-step
     29   $(if $(strip $(INTERNAL_CLEAN_BUILD_VERSION)),, \
     30       $(error INTERNAL_CLEAN_BUILD_VERSION not set))
     31   $(eval _acs_makefile_prefix := $(lastword $(MAKEFILE_LIST)))
     32   $(eval _acs_makefile_prefix := $(subst /,_,$(_acs_makefile_prefix)))
     33   $(eval _acs_makefile_prefix := $(subst .,-,$(_acs_makefile_prefix)))
     34   $(eval _acs_makefile_prefix := $(_acs_makefile_prefix)_acs)
     35   $(if $($(_acs_makefile_prefix)),,\
     36       $(eval $(_acs_makefile_prefix) := $(INTERNAL_CLEAN_BUILD_VERSION)))
     37   $(eval $(_acs_makefile_prefix) := $($(_acs_makefile_prefix))@)
     38   $(if $(strip $(2)),$(eval _acs_id := $($(_acs_makefile_prefix))),\
     39       $(eval _acs_id := $(_acs_makefile_prefix)$($(_acs_makefile_prefix))))
     40   $(eval INTERNAL_CLEAN_STEPS += $(_acs_id))
     41   $(eval INTERNAL_CLEAN_STEP.$(_acs_id) := $(1))
     42   $(eval _acs_id :=)
     43   $(eval _acs_makefile_prefix :=)
     44 endef
     45 define add-clean-step
     46 $(eval # for build/core/cleanspec.mk, dont use makefile path as part of step id) \
     47 $(if $(filter %/cleanspec.mk,$(lastword $(MAKEFILE_LIST))),\
     48     $(eval $(call _add-clean-step,$(1),true)),\
     49     $(eval $(call _add-clean-step,$(1))))
     50 endef
     51 
     52 # Defines INTERNAL_CLEAN_BUILD_VERSION and the individual clean steps.
     53 # cleanspec.mk is outside of the core directory so that more people
     54 # can have permission to touch it.
     55 include $(BUILD_SYSTEM)/cleanspec.mk
     56 INTERNAL_CLEAN_BUILD_VERSION := $(strip $(INTERNAL_CLEAN_BUILD_VERSION))
     57 INTERNAL_CLEAN_STEPS := $(strip $(INTERNAL_CLEAN_STEPS))
     58 
     59 # If the clean_steps.mk file is missing (usually after a clean build)
     60 # then we won't do anything.
     61 CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)
     62 CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)
     63 
     64 # Read the current state from the file, if present.
     65 # Will set CURRENT_CLEAN_BUILD_VERSION and CURRENT_CLEAN_STEPS.
     66 #
     67 clean_steps_file := $(PRODUCT_OUT)/clean_steps.mk
     68 -include $(clean_steps_file)
     69 
     70 ifneq ($(CURRENT_CLEAN_BUILD_VERSION),$(INTERNAL_CLEAN_BUILD_VERSION))
     71   # The major clean version is out-of-date.  Do a full clean, and
     72   # don't even bother with the clean steps.
     73   $(info *** A clean build is required because of a recent change.)
     74   $(shell rm -rf $(OUT_DIR))
     75   $(info *** Done with the cleaning, now starting the real build.)
     76 else
     77   # The major clean version is correct.  Find the list of clean steps
     78   # that we need to execute to get up-to-date.
     79   steps := \
     80       $(filter-out $(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_STEPS))
     81   $(foreach step,$(steps), \
     82     $(info Clean step: $(INTERNAL_CLEAN_STEP.$(step))) \
     83     $(shell $(INTERNAL_CLEAN_STEP.$(step))) \
     84    )
     85 
     86   # Rewrite the clean step for the second arch.
     87   ifdef TARGET_2ND_ARCH
     88   # $(1): the clean step cmd
     89   # $(2): the prefix to search for
     90   # $(3): the prefix to replace with
     91   define -cs-rewrite-cleanstep
     92   $(if $(filter $(2)/%,$(1)),\
     93     $(eval _crs_new_cmd := $(patsubst $(2)/%,$(3)/%,$(1)))\
     94     $(info Clean step: $(_crs_new_cmd))\
     95     $(shell $(_crs_new_cmd)))
     96   endef
     97   $(foreach step,$(steps), \
     98     $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_INTERMEDIATES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES))\
     99     $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES))\
    100     $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES))\
    101     $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES),$(TARGET_OUT_INTERMEDIATES))\
    102     $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES),$(TARGET_OUT_SHARED_LIBRARIES))\
    103     $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES))\
    104     )
    105   endif
    106   _crs_new_cmd :=
    107   steps :=
    108 endif
    109 
    110 # Write the new state to the file.
    111 #
    112 rewrite_clean_steps_file :=
    113 ifneq ($(CURRENT_CLEAN_BUILD_VERSION)-$(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_BUILD_VERSION)-$(INTERNAL_CLEAN_STEPS))
    114 rewrite_clean_steps_file := true
    115 endif
    116 ifeq ($(wildcard $(clean_steps_file)),)
    117 # This is the first build.
    118 rewrite_clean_steps_file := true
    119 endif
    120 ifeq ($(rewrite_clean_steps_file),true)
    121 $(shell \
    122   mkdir -p $(dir $(clean_steps_file)) && \
    123   echo "CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)" > \
    124       $(clean_steps_file) ;\
    125   echo "CURRENT_CLEAN_STEPS := $(wordlist 1,500,$(INTERNAL_CLEAN_STEPS))" >> $(clean_steps_file) \
    126  )
    127 define -cs-write-clean-steps-if-arg1-not-empty
    128 $(if $(1),$(shell echo "CURRENT_CLEAN_STEPS += $(1)" >> $(clean_steps_file)))
    129 endef
    130 $(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 501,1000,$(INTERNAL_CLEAN_STEPS)))
    131 $(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1001,1500,$(INTERNAL_CLEAN_STEPS)))
    132 $(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1501,2000,$(INTERNAL_CLEAN_STEPS)))
    133 $(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2001,2500,$(INTERNAL_CLEAN_STEPS)))
    134 $(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2501,3000,$(INTERNAL_CLEAN_STEPS)))
    135 $(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 3001,99999,$(INTERNAL_CLEAN_STEPS)))
    136 endif
    137 
    138 CURRENT_CLEAN_BUILD_VERSION :=
    139 CURRENT_CLEAN_STEPS :=
    140 clean_steps_file :=
    141 rewrite_clean_steps_file :=
    142 INTERNAL_CLEAN_STEPS :=
    143 INTERNAL_CLEAN_BUILD_VERSION :=
    144 
    145 endif  # if not ONE_SHOT_MAKEFILE dont_bother NO_ANDROID_CLEANSPEC
    146 
    147 ###########################################################
    148 
    149 .PHONY: clean-jack-files
    150 clean-jack-files: clean-dex-files
    151 	$(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f
    152 	$(hide) find $(OUT_DIR) -type d -name "jack" | xargs rm -rf
    153 	@echo "All jack files have been removed."
    154 
    155 .PHONY: clean-dex-files
    156 clean-dex-files:
    157 	$(hide) find $(OUT_DIR) -name "*.dex" ! -path "*/jack-incremental/*" | xargs rm -f
    158 	$(hide) for i in `find $(OUT_DIR) -name "*.jar" -o -name "*.apk"` ; do ((unzip -l $$i 2> /dev/null | \
    159 				grep -q "\.dex$$" && rm -f $$i) || continue ) ; done
    160 	@echo "All dex files and archives containing dex files have been removed."
    161 
    162 .PHONY: clean-jack-incremental
    163 clean-jack-incremental:
    164 	$(hide) find $(OUT_DIR) -name "jack-incremental" -type d | xargs rm -rf
    165 	@echo "All jack incremental dirs have been removed."
    166