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diff --git a/include/c++/stl/stl/_stdexcept_base.h b/include/c++/stl/stl/_stdexcept_base.h
new file mode 100644
index 0000000..3bcd849
--- /dev/null
+++ b/include/c++/stl/stl/_stdexcept_base.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+#ifndef _STLP_INTERNAL_STDEXCEPT_BASE
+#define _STLP_INTERNAL_STDEXCEPT_BASE
+
+#if !defined (_STLP_USE_NATIVE_STDEXCEPT) || defined (_STLP_USE_OWN_NAMESPACE)
+
+#  ifndef _STLP_INTERNAL_EXCEPTION
+#    include <stl/_exception.h>
+#  endif
+
+#  if defined(_STLP_USE_EXCEPTIONS) || \
+    !(defined(_MIPS_SIM) && defined(_ABIO32) && (_MIPS_SIM == _ABIO32))
+
+#    ifndef _STLP_INTERNAL_CSTRING
+#      include <stl/_cstring.h>
+#    endif
+
+#    ifndef _STLP_STRING_FWD_H
+#      include <stl/_string_fwd.h>
+#    endif
+
+#    ifndef _STLP_USE_NO_IOSTREAMS
+#      define _STLP_OWN_STDEXCEPT 1
+#    endif
+
+_STLP_BEGIN_NAMESPACE
+
+/* We disable the 4275 warning for
+ *  - WinCE where there are only static version of the native C++ runtime.
+ *  - The MSVC compilers when the STLport user wants to make an STLport dll linked to
+ *    the static C++ native runtime. In this case the std::exception base class is no more
+ *    exported from native dll but is used as a base class for the exported __Named_exception
+ *    class.
+ */
+#    if defined (_STLP_WCE_NET) || \
+        defined (_STLP_USE_DYNAMIC_LIB) && defined (_STLP_USING_CROSS_NATIVE_RUNTIME_LIB)
+#      define _STLP_DO_WARNING_POP
+#      pragma warning (push)
+#      pragma warning (disable: 4275) // Non dll interface class 'exception' used as base
+                                      // for dll-interface class '__Named_exception'
+#    endif
+
+#    if !defined (_STLP_NO_EXCEPTION_HEADER)
+#      if !defined (_STLP_EXCEPTION_BASE) && !defined (_STLP_BROKEN_EXCEPTION_CLASS) && \
+           defined (_STLP_USE_NAMESPACES) &&  defined (_STLP_USE_OWN_NAMESPACE)
+using _STLP_VENDOR_EXCEPT_STD::exception;
+#      endif
+#    endif
+#    define _STLP_EXCEPTION_BASE exception
+
+class _STLP_CLASS_DECLSPEC __Named_exception : public _STLP_EXCEPTION_BASE {
+public:
+  __Named_exception(const string& __str)
+#    ifndef _STLP_USE_NO_IOSTREAMS
+    ;
+  const char* what() const _STLP_NOTHROW_INHERENTLY;
+  ~__Named_exception() _STLP_NOTHROW_INHERENTLY;
+#    else
+  {
+#      if !defined (_STLP_USE_SAFE_STRING_FUNCTIONS)
+    strncpy(_M_name, _STLP_PRIV __get_c_string(__str), _S_bufsize);
+    _M_name[_S_bufsize - 1] = '\0';
+#      else
+    strncpy_s(_STLP_ARRAY_AND_SIZE(_M_name), _STLP_PRIV __get_c_string(__str), _TRUNCATE);
+#      endif
+  }
+  const char* what() const _STLP_NOTHROW_INHERENTLY { return _M_name; }
+#    endif
+
+private:
+  enum { _S_bufsize = 256 };
+  char _M_name[_S_bufsize];
+};
+
+#    if defined (_STLP_DO_WARNING_POP)
+#      pragma warning (pop)
+#      undef _STLP_DO_WARNING_POP
+#    endif
+
+_STLP_END_NAMESPACE
+
+#  endif /* Not o32, and no exceptions */
+#endif /* _STLP_STDEXCEPT_SEEN */
+
+#endif /* _STLP_INTERNAL_STDEXCEPT_BASE */