Index: libcxxabi/test/test_exception_storage.pass.cpp
===================================================================
--- libcxxabi/test/test_exception_storage.pass.cpp
+++ libcxxabi/test/test_exception_storage.pass.cpp
@@ -9,13 +9,16 @@
 #include <algorithm>
 #include <cstdio>
 #include <cstdlib>
+
+#include "test_macros.h"
+
+#ifndef TEST_HAS_NO_THREADS
 #include <__threading_support>
 #include <unistd.h>
+#endif
 
 #include "../src/cxa_exception.h"
 
-#include "test_macros.h"
-
 typedef __cxxabiv1::__cxa_eh_globals globals_t ;
 
 void *thread_code (void *parm) {