LOCAL_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_PROGUARD_FLAGS)
-ifeq ($(strip $(LOCAL_USE_JACK)),true)
+ifeq ($(LOCAL_USE_JACK),true)
ifndef LOCAL_JACK_PROGUARD_FLAGS
LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
endif
$(hide) find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name R.java | xargs cat > $@
$(LOCAL_BUILT_MODULE): $(R_file_stamp)
-ifeq ($(strip $(LOCAL_USE_JACK)),true)
+ifeq ($(LOCAL_USE_JACK),true)
$(noshrob_classes_jack): $(R_file_stamp)
$(full_classes_jack): $(R_file_stamp)
endif # LOCAL_USE_JACK