diff --git a/libs/libxx/Makefile b/libs/libxx/Makefile
index 18cbaa2833d..87cf1960566 100644
--- a/libs/libxx/Makefile
+++ b/libs/libxx/Makefile
@@ -37,6 +37,10 @@ include $(TOPDIR)/Make.defs
 
 CXXSRCS = libxx_cxa_atexit.cxx libxx_eabi_atexit.cxx
 
+ifeq ($(CONFIG_CXX_LIBSUPCXX),y)
+CXXSRCS += libxx_impure.cxx
+endif
+
 # Include the uClibc++ Make.defs file if selected.  If it is included,
 # the uClibc++/Make.defs file will add its files to the source file list,
 # add its DEPPATH info, and will add the appropriate paths to the VPATH
diff --git a/libs/libxx/libxx_impure.cxx b/libs/libxx/libxx_impure.cxx
new file mode 100644
index 00000000000..92d92f1d10c
--- /dev/null
+++ b/libs/libxx/libxx_impure.cxx
@@ -0,0 +1,61 @@
+//***************************************************************************
+// libs/libxx/libxx_impure.cxx
+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.  The
+// ASF licenses this file to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance with the
+// License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+// License for the specific language governing permissions and limitations
+// under the License.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#if defined(__has_include) && __has_include(<reent.h>)
+
+#include <reent.h>
+
+//***************************************************************************
+// Pre-processor Definitions
+//***************************************************************************
+
+#ifndef __ATTRIBUTE_IMPURE_PTR__
+#define __ATTRIBUTE_IMPURE_PTR__
+#endif
+
+#ifndef __ATTRIBUTE_IMPURE_DATA__
+#define __ATTRIBUTE_IMPURE_DATA__
+#endif
+
+//***************************************************************************
+// Public Data
+//***************************************************************************
+
+extern "C"
+{
+   #ifdef _REENT_SMALL
+   extern const struct __sFILE_fake __sf_fake_stdin _ATTRIBUTE ((weak));
+   extern const struct __sFILE_fake __sf_fake_stdout _ATTRIBUTE ((weak));
+   extern const struct __sFILE_fake __sf_fake_stderr _ATTRIBUTE ((weak));
+   #endif
+
+   static struct _reent __ATTRIBUTE_IMPURE_DATA__ impure_data = _REENT_INIT (impure_data);
+   #ifdef __CYGWIN__
+   extern struct _reent reent_data __attribute__ ((alias("impure_data")));
+   #endif
+   struct _reent *__ATTRIBUTE_IMPURE_PTR__ _impure_ptr = &impure_data;
+   struct _reent *const __ATTRIBUTE_IMPURE_PTR__ _global_impure_ptr = &impure_data;
+}
+
+#endif