re PR libstdc++/13884 (Protect sstream.tcc from extern template use)

2004-01-27  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/13884
	* include/bits/sstream.tcc: Guard use of extern template.

From-SVN: r76698

libstdc++-v3/ChangeLog

 2004-01-27  Paolo Carlini  <pcarlini@suse.de>
 
+	PR libstdc++/13884
+	* include/bits/sstream.tcc: Guard use of extern template.
+	
+2004-01-27  Paolo Carlini  <pcarlini@suse.de>
+
 	* include/bits/basic_string.tcc
 	(basic_string(const basic_string&, size_type, size_type),
 	basic_string(const basic_string&, size_type, size_type,

libstdc++-v3/include/bits/sstream.tcc

@@ -205,6 +205,7 @@ namespace std
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.  
   // NB:  This syntax is a GNU extension.
+#if _GLIBCXX_EXTERN_TEMPLATE
   extern template class basic_stringbuf<char>;
   extern template class basic_istringstream<char>;
   extern template class basic_ostringstream<char>;
@@ -216,6 +217,7 @@ namespace std
   extern template class basic_ostringstream<wchar_t>;
   extern template class basic_stringstream<wchar_t>;
 #endif
+#endif
 } // namespace std
 
 #endif