| Ying Wang | 71004f8 | 2012-05-24 21:05:19 -0700 | [diff] [blame] | 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 := |