1d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# Copyright (C) 2015 The Android Open Source Project 2d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# 3d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# Licensed under the Apache License, Version 2.0 (the "License"); 4d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# you may not use this file except in compliance with the License. 5d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# You may obtain a copy of the License at 6d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# 7d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# http://www.apache.org/licenses/LICENSE-2.0 8d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# 9d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# Unless required by applicable law or agreed to in writing, software 10d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# distributed under the License is distributed on an "AS IS" BASIS, 11d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# See the License for the specific language governing permissions and 13d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# limitations under the License. 14d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 15d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# Check to see if we need to force proguard to re-run, typically after using tapas to 16d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# switch to/from eng builds. This is determined by comparing the flag files used in the previous 17d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# build. If the flag files have changed, proguard is rerun. 18d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 19d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# If the LOCAL_MODULE being setup isn't a build target, then don't run ForceProguard. 20d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddifneq (,$(findstring $(LOCAL_MODULE), $(TARGET_BUILD_APPS))) 21d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 22d3b009ae55651f1e60950342468e3c37fdeb0796Mike DoddPREVIOUS_FLAG_FILES_USED_DIR := $(call local-intermediates-dir,1) 23d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 24d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# If the local intermediates dir doesn't exist, ForceProguard won't work. 25d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddifneq ($(wildcard $(PREVIOUS_FLAG_FILES_USED_DIR)),) 26d3b009ae55651f1e60950342468e3c37fdeb0796Mike DoddPREVIOUS_FLAG_FILES_USED_FILE := $(PREVIOUS_FLAG_FILES_USED_DIR)/previous_proguard_flag_files 27d3b009ae55651f1e60950342468e3c37fdeb0796Mike DoddPREVIOUS_FLAG_FILES_USED := $(if $(wildcard $(PREVIOUS_FLAG_FILES_USED_FILE)), \ 28d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd $(shell cat $(PREVIOUS_FLAG_FILES_USED_FILE))) 29d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 30d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddifneq ($(strip $(PREVIOUS_FLAG_FILES_USED)), $(strip $(LOCAL_PROGUARD_FLAG_FILES))) 31d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd$(info *** Flag files used for proguard have changed; forcing proguard to rerun.) 32d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd$(shell touch $(LOCAL_PATH)/proguard.flags) 33d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd$(shell echo $(LOCAL_PROGUARD_FLAG_FILES) > $(PREVIOUS_FLAG_FILES_USED_FILE)) 34d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddendif 35d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 36d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddendif 37d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# End local intermediates directory existence check 38d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 39d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddendif 40d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd# End LOCAL_MODULE is a build target check 41