diff --git a/ap/build/uClibc/libpthread/linuxthreads/errno.c b/ap/build/uClibc/libpthread/linuxthreads/errno.c
new file mode 100644
index 0000000..03c23f8
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/errno.c
@@ -0,0 +1,48 @@
+/* Linuxthreads - a simple clone()-based implementation of Posix        */
+/* threads for Linux.                                                   */
+/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr)              */
+/*                                                                      */
+/* This program is free software; you can redistribute it and/or        */
+/* modify it under the terms of the GNU Library General Public License  */
+/* as published by the Free Software Foundation; either version 2       */
+/* of the License, or (at your option) any later version.               */
+/*                                                                      */
+/* This program is distributed in the hope that it will be useful,      */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of       */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        */
+/* GNU Library General Public License for more details.                 */
+
+/* Define the location of errno for the remainder of the C library */
+
+#include <errno.h>
+#include <netdb.h>
+#include <resolv.h>
+#include "pthread.h"
+#include "internals.h"
+
+#if !USE_TLS || !HAVE___THREAD
+/* The definition in libc is sufficient if we use TLS.  */
+int *
+__errno_location (void)
+{
+  pthread_descr self = thread_self();
+  return THREAD_GETMEM (self, p_errnop);
+}
+
+int *
+__h_errno_location (void)
+{
+  pthread_descr self = thread_self();
+  return THREAD_GETMEM (self, p_h_errnop);
+}
+
+#if 0
+/* Return thread specific resolver state.  */
+struct __res_state *
+__res_state (void)
+{
+  pthread_descr self = thread_self();
+  return THREAD_GETMEM (self, p_resp);
+}
+#endif
+#endif