Merge "Enable stripping of java debug information when required."
diff --git a/core/java.mk b/core/java.mk
index e456993..704ab29 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -425,6 +425,16 @@
LOCAL_JAVACFLAGS += $(LOCAL_ERROR_PRONE_FLAGS)
endif
+# For user / userdebug builds, strip the local variable table and the local variable
+# type table. This has no bearing on stack traces, but will leave less information
+# available via JDWP.
+ifneq (,$(PRODUCT_MINIMIZE_JAVA_DEBUG_INFO))
+ifneq (,$(filter userdebug user,$(TARGET_BUILD_VARIANT)))
+LOCAL_JAVACFLAGS+= -g:source,lines
+LOCAL_JACK_FLAGS+= -D jack.dex.debug.vars=false -D jack.dex.debug.vars.synthetic=false
+endif
+endif
+
$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
diff --git a/core/product.mk b/core/product.mk
index ab65ea5..5e943ce 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -134,6 +134,7 @@
PRODUCT_ART_USE_READ_BARRIER \
PRODUCT_IOT \
PRODUCT_SYSTEM_HEADROOM \
+ PRODUCT_MINIMIZE_JAVA_DEBUG_INFO \
diff --git a/core/product_config.mk b/core/product_config.mk
index d27bdf3..71a342d 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -427,3 +427,7 @@
# Add reserved headroom to a system image.
PRODUCT_SYSTEM_HEADROOM := \
$(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SYSTEM_HEADROOM))
+
+# Whether to save disk space by minimizing java debug info
+PRODUCT_MINIMIZE_JAVA_DEBUG_INFO := \
+ $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_MINIMIZE_JAVA_DEBUG_INFO))