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authorMike Dodd <mdodd@google.com>2015-08-11 11:16:59 -0700
committerMike Dodd <mdodd@google.com>2015-08-12 08:58:28 -0700
commit461a34b466cb4b13dbbc2ec6330b31e217b2ac4e (patch)
treebc4b489af52d0e2521e21167d2ad76a47256f348 /ForceProguard.mk
parent8b3e2b9c1b0a09423a7ba5d1091b9192106502f8 (diff)
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Initial checkin of AOSP Messaging app.
b/23110861 Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a
Diffstat (limited to 'ForceProguard.mk')
-rwxr-xr-xForceProguard.mk40
1 files changed, 40 insertions, 0 deletions
diff --git a/ForceProguard.mk b/ForceProguard.mk
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+# 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