From 55f149263c93ba3d6ee77367c51c67db8a499b42 Mon Sep 17 00:00:00 2001
From: Calin Juravle <calin@google.com>
Date: Thu, 15 Feb 2018 12:51:08 -0800
Subject: [PATCH] Record the compilation reson in oat files for prebuilts

Test: build
Bug: 73102540
Change-Id: Ia2ba0670f36b3eeb481bc7b2ae44a1c89777bfc1
---
 core/dex_preopt_odex_install.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index e3372799e..88aefae67 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -260,6 +260,10 @@ ifeq (true, $(my_system_server_debug_info))
   endif
 endif
 
+# Set the compiler reason to 'prebuilt' to identify the oat files produced
+# during the build, as opposed to compiled on the device.
+LOCAL_DEX_PREOPT_FLAGS += --compilation-reason=prebuilt
+
 $(built_odex): PRIVATE_DEX_PREOPT_FLAGS := $(LOCAL_DEX_PREOPT_FLAGS)
 $(built_vdex): $(built_odex)
 $(built_art): $(built_odex)