From fd626f2d21a55aec9133424f4303d5450ad9622e Mon Sep 17 00:00:00 2001
From: Ying Wang <wangying@google.com>
Date: Mon, 12 Dec 2011 12:57:38 -0800
Subject: [PATCH] Collect the GPL source files.

Bug: 5693205
Change-Id: I045b83949f8b29d7c5cf5c0ab32c5b83cf398e71
---
 core/base_rules.mk                |  4 +++-
 core/definitions.mk               |  3 +++
 core/tasks/collect_gpl_sources.mk | 30 ++++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 core/tasks/collect_gpl_sources.mk

diff --git a/core/base_rules.mk b/core/base_rules.mk
index 242b53d55..66d246526 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -110,8 +110,10 @@ endif
 # find files like MODULE_LICENSE_GPL_AND_AFL but exclude files like
 # MODULE_LICENSE_LGPL.
 #
-ifneq ($(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL*),)
+gpl_license_file := $(call find-parent-file,$(LOCAL_PATH),MODULE_LICENSE*_GPL* MODULE_LICENSE*_MPL*)
+ifneq ($(gpl_license_file),)
   LOCAL_MODULE_TAGS += gnu
+  ALL_GPL_MODULE_LICENSE_FILES := $(sort $(ALL_GPL_MODULE_LICENSE_FILES) $(gpl_license_file))
 endif
 
 #
diff --git a/core/definitions.mk b/core/definitions.mk
index 154c026e6..3f70a0574 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -78,6 +78,9 @@ INTERNAL_DALVIK_MODULES:=
 # All findbugs xml files
 ALL_FINDBUGS_FILES:=
 
+# GPL module license files
+ALL_GPL_MODULE_LICENSE_FILES:=
+
 ###########################################################
 ## Debugging; prints a variable list to stdout
 ###########################################################
diff --git a/core/tasks/collect_gpl_sources.mk b/core/tasks/collect_gpl_sources.mk
new file mode 100644
index 000000000..3c7afcc3b
--- /dev/null
+++ b/core/tasks/collect_gpl_sources.mk
@@ -0,0 +1,30 @@
+# Copyright (C) 2011 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.
+
+gpl_source_tgz := $(call intermediates-dir-for,PACKAGING,gpl_source,HOST,COMMON)/gpl_source.tgz
+
+$(gpl_source_tgz): PRIVATE_PATHS := $(sort $(patsubst %/, %, $(dir $(ALL_GPL_MODULE_LICENSE_FILES))))
+$(gpl_source_tgz) : $(ALL_GPL_MODULE_LICENSE_FILES)
+	@echo Package gpl sources: $@
+	@rm -rf $(dir $@) && mkdir -p $(dir $@)
+	$(hide) tar cfz $@ --exclude ".git*" $(PRIVATE_PATHS)
+
+
+.PHONY: gpl_source_tgz
+gpl_source_tgz : $(gpl_source_tgz)
+
+# Dist the tgz only if we are doing a full build
+ifeq (,$(TARGET_BUILD_APPS))
+$(call dist-for-goals, droidcore, $(gpl_source_tgz))
+endif