diff --git a/core/binary.mk b/core/binary.mk
index ebda48b..eff4072 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -978,7 +978,7 @@
 
 $(vts_gen_cpp) : PRIVATE_MODULE := $(LOCAL_MODULE)
 $(vts_gen_cpp) : PRIVATE_HEADER_OUTPUT_DIR := $(vts_gen_include_root)
-$(vts_gen_cpp) : PRIVATE_VTS_FLAGS := $(addprefix -I,$(LOCAL_VTS_INCLUDES))
+$(vts_gen_cpp) : PRIVATE_VTS_FLAGS := $(addprefix -I,$(LOCAL_VTS_INCLUDES)) $(addprefix -m,$(LOCAL_VTS_MODE))
 
 # Add generated headers to include paths.
 my_c_includes += $(vts_gen_include_root)
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 09032b2..1994e18 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -107,6 +107,7 @@
 LOCAL_MANIFEST_INSTRUMENTATION_FOR:=
 LOCAL_AIDL_INCLUDES:=
 LOCAL_VTS_INCLUDES:=
+LOCAL_VTS_MODE:=
 LOCAL_JARJAR_RULES:=
 LOCAL_ADDITIONAL_JAVA_DIR:=
 LOCAL_ALLOW_UNDEFINED_SYMBOLS:=