1 # Copyright (C) 2012 The Android Open Source Project
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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.
15 # Clean steps that need global knowledge of individual modules.
16 # This file must be included after all Android.mks have been loaded.
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
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
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)' >> $(current_package_overlay_config))))
33 ifneq (,$(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 :=
45 packages_overlay_changed :=
48 # Now current becomes previous.
49 $(shell mv -f $(current_package_overlay_config) $(previous_package_overlay_config))
51 previous_package_overlay_config :=
52 current_package_overlay_config :=
53 current_all_packages_config :=