Index: src/Standard/Standard_StackTrace.cxx
--- src/Standard/Standard_StackTrace.cxx.orig
+++ src/Standard/Standard_StackTrace.cxx
@@ -196,6 +196,11 @@ Standard_Boolean Standard::StackTrace (char* theBuffer
     return false;
   }
 
+#if defined(__OpenBSD__)
+  Message::SendTrace ("Standard::StackTrace() is not implemented for this platform");
+  return false;
+#endif
+
 #if defined(__EMSCRIPTEN__)
   // theNbTraces is ignored
   // EM_LOG_JS_STACK?
