1 # Copyright (C) 2012 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 # Clean steps that need global knowledge of individual modules. 16 # This file must be included after all Android.mks have been loaded. 17 18 # Checks the current build configurations against the previous build, 19 # clean artifacts in TARGET_COMMON_OUT_ROOT if necessary. 20 # If a package's resource overlay has been changed, its R class needs to be 21 # regenerated. 22 previous_package_overlay_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS/previous_overlays.txt 23 current_package_overlay_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS/current_overlays.txt 24 current_all_packages_config := $(dir $(current_package_overlay_config))current_packages.txt 25 26 $(shell rm -rf $(current_package_overlay_config) \ 27 && mkdir -p $(dir $(current_package_overlay_config)) \ 28 && touch $(current_package_overlay_config)) 29 $(shell echo '$(PACKAGES)' > $(current_all_packages_config)) 30 $(foreach p, $(PACKAGES), $(if $(PACKAGES.$(p).RESOURCE_OVERLAYS), \ 31 $(shell echo '$(p)' '$(PACKAGES.$(p).RESOURCE_OVERLAYS)' >> $(current_package_overlay_config)))) 32 33 ifneq (,$(wildcard $(previous_package_overlay_config))) 34 packages_overlay_changed := $(shell build/tools/diff_package_overlays.py \ 35 $(current_all_packages_config) $(current_package_overlay_config) \ 36 $(previous_package_overlay_config)) 37 ifneq (,$(packages_overlay_changed)) 38 overlay_cleanup_cmd := $(strip rm -rf $(foreach p, $(packages_overlay_changed),\ 39 $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS/$(p)_intermediates)) 40 $(info *** Overlay change detected, clean shared intermediate files...) 41 $(info *** $(overlay_cleanup_cmd)) 42 $(shell $(overlay_cleanup_cmd)) 43 overlay_cleanup_cmd := 44 endif 45 packages_overlay_changed := 46 endif 47 48 # Now current becomes previous. 49 $(shell mv -f $(current_package_overlay_config) $(previous_package_overlay_config)) 50 51 previous_package_overlay_config := 52 current_package_overlay_config := 53 current_all_packages_config := 54
