| # Copyright (C) 2015 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # Check to see if we need to force proguard to re-run, typically after using tapas to |
| # switch to/from eng builds. This is determined by comparing the flag files used in the previous |
| # build. If the flag files have changed, proguard is rerun. |
| |
| # If the LOCAL_MODULE being setup isn't a build target, then don't run ForceProguard. |
| ifneq (,$(findstring $(LOCAL_MODULE), $(TARGET_BUILD_APPS))) |
| |
| PREVIOUS_FLAG_FILES_USED_DIR := $(call local-intermediates-dir,1) |
| |
| # If the local intermediates dir doesn't exist, ForceProguard won't work. |
| ifneq ($(wildcard $(PREVIOUS_FLAG_FILES_USED_DIR)),) |
| PREVIOUS_FLAG_FILES_USED_FILE := $(PREVIOUS_FLAG_FILES_USED_DIR)/previous_proguard_flag_files |
| PREVIOUS_FLAG_FILES_USED := $(if $(wildcard $(PREVIOUS_FLAG_FILES_USED_FILE)), \ |
| $(shell cat $(PREVIOUS_FLAG_FILES_USED_FILE))) |
| |
| ifneq ($(strip $(PREVIOUS_FLAG_FILES_USED)), $(strip $(LOCAL_PROGUARD_FLAG_FILES))) |
| $(info *** Flag files used for proguard have changed; forcing proguard to rerun.) |
| $(shell touch $(LOCAL_PATH)/proguard.flags) |
| $(shell echo $(LOCAL_PROGUARD_FLAG_FILES) > $(PREVIOUS_FLAG_FILES_USED_FILE)) |
| endif |
| |
| endif |
| # End local intermediates directory existence check |
| |
| endif |
| # End LOCAL_MODULE is a build target check |