diff --git a/core/config.mk b/core/config.mk
index d8d7871..be2c23b 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -443,4 +443,10 @@
 # objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
 TARGET_PREBUILT_TAG := android-$(TARGET_ARCH)
 
-include $(BUILD_SYSTEM)/dumpvar.mk
+# Set up RS prebuilt variables for compatibility library
+
+RS_PREBUILT_CLCORE := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/libclcore.bc
+RS_PREBUILT_LIBPATH := -L prebuilts/ndk/8/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
+RS_PREBUILT_COMPILER_RT := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/libcompiler_rt.a
+
+include $(BUILD_SYSTEM)/dumpvar.mk
\ No newline at end of file