Mike Dodd | d3b009a | 2015-08-11 11:16:59 -0700 | [diff] [blame] | 1 | # Copyright (C) 2015 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 | # Check to see if we need to force proguard to re-run, typically after using tapas to |
| 16 | # switch to/from eng builds. This is determined by comparing the flag files used in the previous |
| 17 | # build. If the flag files have changed, proguard is rerun. |
| 18 | |
| 19 | # If the LOCAL_MODULE being setup isn't a build target, then don't run ForceProguard. |
| 20 | ifneq (,$(findstring $(LOCAL_MODULE), $(TARGET_BUILD_APPS))) |
| 21 | |
| 22 | PREVIOUS_FLAG_FILES_USED_DIR := $(call local-intermediates-dir,1) |
| 23 | |
| 24 | # If the local intermediates dir doesn't exist, ForceProguard won't work. |
| 25 | ifneq ($(wildcard $(PREVIOUS_FLAG_FILES_USED_DIR)),) |
| 26 | PREVIOUS_FLAG_FILES_USED_FILE := $(PREVIOUS_FLAG_FILES_USED_DIR)/previous_proguard_flag_files |
| 27 | PREVIOUS_FLAG_FILES_USED := $(if $(wildcard $(PREVIOUS_FLAG_FILES_USED_FILE)), \ |
| 28 | $(shell cat $(PREVIOUS_FLAG_FILES_USED_FILE))) |
| 29 | |
| 30 | ifneq ($(strip $(PREVIOUS_FLAG_FILES_USED)), $(strip $(LOCAL_PROGUARD_FLAG_FILES))) |
| 31 | $(info *** Flag files used for proguard have changed; forcing proguard to rerun.) |
| 32 | $(shell touch $(LOCAL_PATH)/proguard.flags) |
| 33 | $(shell echo $(LOCAL_PROGUARD_FLAG_FILES) > $(PREVIOUS_FLAG_FILES_USED_FILE)) |
| 34 | endif |
| 35 | |
| 36 | endif |
| 37 | # End local intermediates directory existence check |
| 38 | |
| 39 | endif |
| 40 | # End LOCAL_MODULE is a build target check |