From b3113da54236b93957a3dde639d896149bc2d5dd Mon Sep 17 00:00:00 2001
From: Jaewoong Jung <jungjw@google.com>
Date: Wed, 28 Nov 2018 15:19:46 -0800
Subject: [PATCH] Use debug mode when running R8 for eng builds.

Bug: 119601874
Test: Built for different variants.
Change-Id: Icaf300c944b1d0594f524a11999cc5a8229919eb
---
 core/definitions.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/core/definitions.mk b/core/definitions.mk
index 0d4b6c492..38ff62bd8 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2752,6 +2752,14 @@ endef
 ###########################################################
 ## Commands to call R8
 ###########################################################
+
+# Use --debug flag for eng builds by default
+ifeq (eng,$(TARGET_BUILD_VARIANT))
+R8_DEBUG_MODE := --debug
+else
+R8_DEBUG_MODE :=
+endif
+
 define transform-jar-to-dex-r8
 @echo R8: $@
 $(hide) rm -f $(PRIVATE_PROGUARD_DICTIONARY)
@@ -2759,6 +2767,7 @@ $(hide) $(R8_COMPAT_PROGUARD) -injars '$<' \
     --min-api $(PRIVATE_MIN_SDK_VERSION) \
     --no-data-resources \
     --force-proguard-compatibility --output $(subst classes.dex,,$@) \
+    $(R8_DEBUG_MODE) \
     $(PRIVATE_PROGUARD_FLAGS) \
     $(addprefix -injars , $(PRIVATE_EXTRA_INPUT_JAR)) \
     $(PRIVATE_DX_FLAGS)