From 4c710cbe7f5786c3df396ea4283da920fd5c351b Mon Sep 17 00:00:00 2001
From: Zach Jang <zachjang@google.com>
Date: Fri, 11 Sep 2015 17:27:09 -0700
Subject: [PATCH] DO NOT MERGE - Backport of ag/748221 - Security Patch Level
 in Settings CL#2/3

b/23946860

Change-Id: I42a2aaf26cf458d1775b11029789330cdd85b3a3
---
 CleanSpec.mk             |  3 +++
 core/Makefile            |  2 ++
 core/version_defaults.mk | 17 +++++++++++++++++
 tools/buildinfo.sh       |  2 ++
 4 files changed, 24 insertions(+)

diff --git a/CleanSpec.mk b/CleanSpec.mk
index dcf40949ea..a7bc1e0cfa 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -217,6 +217,9 @@ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 # 4.4.4
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
+# Added new build props
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index 882c138933..c5ea43e256 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -181,6 +181,8 @@ $(INSTALLED_BUILD_PROP_TARGET): $(BUILDINFO_SH) $(INTERNAL_BUILD_ID_MAKEFILE) $(
 			BUILD_DISPLAY_ID="$(BUILD_DISPLAY_ID)" \
 			BUILD_NUMBER="$(BUILD_NUMBER)" \
 			PLATFORM_VERSION="$(PLATFORM_VERSION)" \
+			PLATFORM_SECURITY_PATCH="$(PLATFORM_SECURITY_PATCH)" \
+			PLATFORM_BASE_OS="$(PLATFORM_BASE_OS)" \
 			PLATFORM_SDK_VERSION="$(PLATFORM_SDK_VERSION)" \
 			PLATFORM_VERSION_CODENAME="$(PLATFORM_VERSION_CODENAME)" \
 			BUILD_VERSION_TAGS="$(BUILD_VERSION_TAGS)" \
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 51a83829fb..7cf6387947 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -24,6 +24,7 @@
 #     DEFAULT_APP_TARGET_SDK
 #     BUILD_ID
 #     BUILD_NUMBER
+#     SECURITY_PATCH
 #
 
 # Look for an optional file containing overrides of the defaults,
@@ -62,6 +63,22 @@ ifeq "" "$(PLATFORM_VERSION_CODENAME)"
   PLATFORM_VERSION_CODENAME := REL
 endif
 
+ifeq "" "$(PLATFORM_SECURITY_PATCH)"
+  # Used to indicate the security patch that has been applied to the device.
+  # Can be an arbitrary string, but must be a single word.
+  #
+  # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
+  PLATFORM_SECURITY_PATCH := 2015-11-01
+endif
+
+ifeq "" "$(PLATFORM_BASE_OS)"
+  # Used to indicate the base os applied to the device.
+  # Can be an arbitrary string, but must be a single word.
+  #
+  # If there is no $PLATFORM_BASE_OS set, keep it empty.
+  PLATFORM_BASE_OS :=
+endif
+
 ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
   # This is the default minSdkVersion and targetSdkVersion to use for
   # all .apks created by the build system.  It can be overridden by explicitly
diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index e3fe99c111..b7557106ba 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -9,6 +9,8 @@ echo "ro.build.version.incremental=$BUILD_NUMBER"
 echo "ro.build.version.sdk=$PLATFORM_SDK_VERSION"
 echo "ro.build.version.codename=$PLATFORM_VERSION_CODENAME"
 echo "ro.build.version.release=$PLATFORM_VERSION"
+echo "ro.build.version.security_patch=$PLATFORM_SECURITY_PATCH"
+echo "ro.build.version.base_os=$PLATFORM_BASE_OS"
 echo "ro.build.date=`date`"
 echo "ro.build.date.utc=`date +%s`"
 echo "ro.build.type=$TARGET_BUILD_TYPE"