Index: test/scudo/lit.cfg
===================================================================
--- test/scudo/lit.cfg
+++ test/scudo/lit.cfg
@@ -33,6 +33,7 @@
 # Android doesn't want -lrt.
 if not config.android:
   c_flags += ["-lrt"]
+  cxx_flags += ["-lrt"]
 
 def build_invocation(compile_flags):                                            
   return " " + " ".join([config.compile_wrapper, config.clang] + compile_flags) + " "