diff --git a/runtime/Android.mk b/runtime/Android.mk
index a602c83..4683543 100644
--- a/runtime/Android.mk
+++ b/runtime/Android.mk
@@ -226,7 +226,11 @@
 	arch/mips/quick_entrypoints_mips.S \
 	arch/mips/thread_mips.cc
 else # TARGET_ARCH != mips
+ifeq ($(TARGET_ARCH),aarch64)
+$(info TODOAArch64: $(LOCAL_PATH)/Android.mk Add AArch64 specific runtime files)
+else
 $(error unsupported TARGET_ARCH=$(TARGET_ARCH))
+endif # TARGET_ARCH != aarch64
 endif # TARGET_ARCH != mips
 endif # TARGET_ARCH != x86
 endif # TARGET_ARCH != x86_64