Index: /trunk/src/VBox/GuestHost/SharedClipboard/x11-clipboard.cpp
===================================================================
--- /trunk/src/VBox/GuestHost/SharedClipboard/x11-clipboard.cpp	(revision 20136)
+++ /trunk/src/VBox/GuestHost/SharedClipboard/x11-clipboard.cpp	(revision 20137)
@@ -1965,8 +1965,22 @@
     *pcbActual = g_completedActual;
 }
-
+#ifdef RT_OS_SOLARIS_10
+char XtStrings [] = "";
+_WidgetClassRec* applicationShellWidgetClass;
+char XtShellStrings [] = "";
+int XmbTextPropertyToTextList(
+    Display*            /* display */,
+    XTextProperty*      /* text_prop */,
+    char***             /* list_return */,
+    int*                /* count_return */
+)
+{
+  return 0;
+}
+#else
 const char XtStrings [] = "";
 _WidgetClassRec* applicationShellWidgetClass;
 const char XtShellStrings [] = "";
+#endif
 
 #define MAX_BUF_SIZE 256