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