Index: uspace/lib/cpp/src/__bits/runtime.cpp
===================================================================
--- uspace/lib/cpp/src/__bits/runtime.cpp	(revision d276424ff3b4c7e2bd255ed96a237055ea6f3d8b)
+++ uspace/lib/cpp/src/__bits/runtime.cpp	(revision d3ba97d6e61083813fb07c4f7839ef6fa7cbc03c)
@@ -207,3 +207,9 @@
     extern "C" void __cxa_end_cleanup()
     { /* DUMMY BODY */ }
+
+    extern "C" int __cxa_thread_atexit(void(*)(void*), void*, void*)
+    {
+        // TODO: needed for thread_local variables
+        return 0;
+    }
 }