path: root/gcc47-libstdc.patch

--- origsrc/gcc-4.7.2/libstdc++-v3/config/os/mingw32/os_defines.h	2011-12-16 18:43:06.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/config/os/mingw32/os_defines.h	2012-10-31 16:49:35.703125000 +0000
@@ -72,4 +72,10 @@
 #define _GLIBCXX_CDTOR_CALLABI __thiscall
 #endif
 
+#ifdef _DLL
+#define _GLIBCXX_IMPORT __attribute__((dllimport))
+#else
+#define _GLIBCXX_IMPORT
+#endif
+
 #endif
--- origsrc/gcc-4.7.2/libstdc++-v3/config/os/newlib/os_defines.h	2011-01-03 20:52:22.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/config/os/newlib/os_defines.h	2012-10-31 16:49:35.734375000 +0000
@@ -35,6 +35,8 @@
 
 #ifdef __CYGWIN__
 #define _GLIBCXX_GTHREAD_USE_WEAK 0
+#define __GXX_MERGED_TYPEINFO_NAMES 0
+#define __GXX_TYPEINFO_EQUALITY_INLINE 0
 
 #if defined (_GLIBCXX_DLL)
 #define _GLIBCXX_PSEUDO_VISIBILITY_default __attribute__ ((__dllimport__))
@@ -47,6 +49,13 @@
 
 // See libstdc++/20806.
 #define _GLIBCXX_HAVE_DOS_BASED_FILESYSTEM 1
+
+#ifdef _DLL
+#define _GLIBCXX_IMPORT __attribute__((dllimport))
+#else
+#define _GLIBCXX_IMPORT
+#endif
+
 #endif
 
 #endif
--- origsrc/gcc-4.7.2/libstdc++-v3/include/backward/strstream	2011-02-01 01:31:42.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/backward/strstream	2012-10-31 16:49:37.468750000 +0000
@@ -62,7 +62,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   // Class strstreambuf, a streambuf class that manages an array of char.
   // Note that this class is not a template.
-  class strstreambuf : public basic_streambuf<char, char_traits<char> >
+  class _GLIBCXX_IMPORT strstreambuf : public basic_streambuf<char, char_traits<char> >
   {
   public:
     // Types.
@@ -124,7 +124,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   };
 
   // Class istrstream, an istream that manages a strstreambuf.
-  class istrstream : public basic_istream<char>
+  class _GLIBCXX_IMPORT istrstream : public basic_istream<char>
   {
   public:
     explicit istrstream(char*);
@@ -141,7 +141,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   };
 
   // Class ostrstream
-  class ostrstream : public basic_ostream<char>
+  class _GLIBCXX_IMPORT ostrstream : public basic_ostream<char>
   {
   public:
     ostrstream();
@@ -158,7 +158,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   };
 
   // Class strstream
-  class strstream : public basic_iostream<char>
+  class _GLIBCXX_IMPORT strstream : public basic_iostream<char>
   {
   public:
     typedef char                        char_type;
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/basic_ios.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/basic_ios.tcc	2012-10-31 16:49:37.468750000 +0000
@@ -176,10 +176,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class basic_ios<char>;
+  extern template class _GLIBCXX_IMPORT basic_ios<char>;
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class basic_ios<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_ios<wchar_t>;
 #endif
 #endif
 
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/c++config	2011-11-02 04:23:33.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/c++config	2012-10-31 16:54:57.125000000 +0000
@@ -225,6 +225,9 @@ namespace __gnu_cxx
 # define _GLIBCXX_END_NAMESPACE_VERSION
 #endif
 
+#ifndef _GLIBCXX_IMPORT
+#define _GLIBCXX_IMPORT
+#endif
 
 // Inline namespaces for special modes: debug, parallel, profile.
 #if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PARALLEL) \
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/codecvt.h	2011-10-14 01:12:40.000000000 +0100
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/codecvt.h	2012-10-31 16:49:37.484375000 +0000
@@ -479,7 +479,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class codecvt_byname<char, char, mbstate_t>;
+  extern template class _GLIBCXX_IMPORT codecvt_byname<char, char, mbstate_t>;
 
   extern template
     const codecvt<char, char, mbstate_t>&
@@ -490,7 +490,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     has_facet<codecvt<char, char, mbstate_t> >(const locale&);
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class codecvt_byname<wchar_t, char, mbstate_t>;
+  extern template class _GLIBCXX_IMPORT codecvt_byname<wchar_t, char, mbstate_t>;
 
   extern template
     const codecvt<wchar_t, char, mbstate_t>&
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/fstream.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/fstream.tcc	2012-10-31 16:49:37.484375000 +0000
@@ -965,16 +965,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class basic_filebuf<char>;
-  extern template class basic_ifstream<char>;
-  extern template class basic_ofstream<char>;
-  extern template class basic_fstream<char>;
+  extern template class _GLIBCXX_IMPORT basic_filebuf<char>;
+  extern template class _GLIBCXX_IMPORT basic_ifstream<char>;
+  extern template class _GLIBCXX_IMPORT basic_ofstream<char>;
+  extern template class _GLIBCXX_IMPORT basic_fstream<char>;
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class basic_filebuf<wchar_t>;
-  extern template class basic_ifstream<wchar_t>;
-  extern template class basic_ofstream<wchar_t>;
-  extern template class basic_fstream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_filebuf<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_ifstream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_ofstream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_fstream<wchar_t>;
 #endif
 #endif
 
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/ios_base.h	2011-08-07 08:27:06.000000000 +0100
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/ios_base.h	2012-10-31 16:49:37.484375000 +0000
@@ -198,7 +198,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  people will only see @c ios_base when they need to specify the full
    *  name of the various I/O flags (e.g., the openmodes).
   */
-  class ios_base
+  class _GLIBCXX_IMPORT ios_base
   {
   public:
 
@@ -208,7 +208,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
      *
      *  27.4.2.1.1  Class ios_base::failure
      */
-    class failure : public exception
+    class _GLIBCXX_IMPORT failure : public exception
     {
     public:
       // _GLIBCXX_RESOLVE_LIB_DEFECTS
@@ -532,7 +532,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     // Used to initialize standard streams. In theory, g++ could use
     // -finit-priority to order this stuff correctly without going
     // through these machinations.
-    class Init
+    class _GLIBCXX_IMPORT Init
     {
       friend class ios_base;
     public:
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/istream.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/istream.tcc	2012-10-31 16:49:37.484375000 +0000
@@ -1039,7 +1039,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class basic_istream<char>;
+  extern template class _GLIBCXX_IMPORT basic_istream<char>;
   extern template istream& ws(istream&);
   extern template istream& operator>>(istream&, char&);
   extern template istream& operator>>(istream&, char*);
@@ -1062,10 +1062,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   extern template istream& istream::_M_extract(long double&);
   extern template istream& istream::_M_extract(void*&);
 
-  extern template class basic_iostream<char>;
+  extern template class _GLIBCXX_IMPORT basic_iostream<char>;
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class basic_istream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_istream<wchar_t>;
   extern template wistream& ws(wistream&);
   extern template wistream& operator>>(wistream&, wchar_t&);
   extern template wistream& operator>>(wistream&, wchar_t*);
@@ -1084,7 +1084,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   extern template wistream& wistream::_M_extract(long double&);
   extern template wistream& wistream::_M_extract(void*&);
 
-  extern template class basic_iostream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_iostream<wchar_t>;
 #endif
 #endif
 
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/locale_classes.h	2011-12-10 15:33:06.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/locale_classes.h	2012-10-31 16:49:37.484375000 +0000
@@ -61,7 +61,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  This library supports efficient construction and copying of locales
    *  through a reference counting implementation of the locale class.
   */
-  class locale
+  class _GLIBCXX_IMPORT locale
   {
   public:
     // Types:
@@ -69,9 +69,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     typedef int	category;
 
     // Forward decls and friends:
-    class facet;
-    class id;
-    class _Impl;
+    class _GLIBCXX_IMPORT facet;
+    class _GLIBCXX_IMPORT id;
+    class _GLIBCXX_IMPORT _Impl;
 
     friend class facet;
     friend class _Impl;
@@ -337,7 +337,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *
    *  Facets may not be copied or assigned.
   */
-  class locale::facet
+  class _GLIBCXX_IMPORT locale::facet
   {
   private:
     friend class locale;
@@ -435,7 +435,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  cannot be used in a locale.  The locale::id ensures that each class
    *  type gets a unique identifier.
   */
-  class locale::id
+  class _GLIBCXX_IMPORT locale::id
   {
   private:
     friend class locale;
@@ -474,7 +474,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
 
   // Implementation object for locale.
-  class locale::_Impl
+  class _GLIBCXX_IMPORT locale::_Impl
   {
   public:
     // Friends.
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/locale_classes.tcc	2011-12-10 15:33:06.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/locale_classes.tcc	2012-10-31 16:49:37.500000000 +0000
@@ -265,8 +265,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class collate<char>;
-  extern template class collate_byname<char>;
+  extern template class _GLIBCXX_IMPORT collate<char>;
+  extern template class _GLIBCXX_IMPORT collate_byname<char>;
 
   extern template
     const collate<char>&
@@ -277,8 +277,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     has_facet<collate<char> >(const locale&);
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class collate<wchar_t>;
-  extern template class collate_byname<wchar_t>;
+  extern template class _GLIBCXX_IMPORT collate<wchar_t>;
+  extern template class _GLIBCXX_IMPORT collate_byname<wchar_t>;
 
   extern template
     const collate<wchar_t>&
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/locale_facets.h	2012-02-23 22:14:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/locale_facets.h	2012-10-31 16:49:37.500000000 +0000
@@ -673,7 +673,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  optimizations as well.
   */
   template<>
-    class ctype<char> : public locale::facet, public ctype_base
+    class _GLIBCXX_IMPORT ctype<char> : public locale::facet, public ctype_base
     {
     public:
       // Types:
@@ -1174,7 +1174,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  __ctype_abstract_base<wchar_t>.
   */
   template<>
-    class ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
+    class _GLIBCXX_IMPORT ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
     {
     public:
       // Types:
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/locale_facets.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/locale_facets.tcc	2012-10-31 17:00:42.531250000 +0000
@@ -1277,11 +1277,11 @@ _GLIBCXX_END_NAMESPACE_LDBL
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class numpunct<char>;
-  extern template class numpunct_byname<char>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL num_get<char>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL num_put<char>;
-  extern template class ctype_byname<char>;
+  extern template class _GLIBCXX_IMPORT numpunct<char>;
+  extern template class _GLIBCXX_IMPORT numpunct_byname<char>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL num_get<char>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL num_put<char>;
+  extern template class _GLIBCXX_IMPORT ctype_byname<char>;
 
   extern template
     const ctype<char>&
@@ -1316,11 +1316,11 @@ _GLIBCXX_END_NAMESPACE_LDBL
     has_facet<num_get<char> >(const locale&);
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class numpunct<wchar_t>;
-  extern template class numpunct_byname<wchar_t>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL num_get<wchar_t>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL num_put<wchar_t>;
-  extern template class ctype_byname<wchar_t>;
+  extern template class _GLIBCXX_IMPORT numpunct<wchar_t>;
+  extern template class _GLIBCXX_IMPORT numpunct_byname<wchar_t>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL num_get<wchar_t>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL num_put<wchar_t>;
+  extern template class _GLIBCXX_IMPORT ctype_byname<wchar_t>;
 
   extern template
     const ctype<wchar_t>&
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/locale_facets_nonio.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/locale_facets_nonio.tcc	2012-10-31 17:00:42.546875000 +0000
@@ -1216,19 +1216,19 @@ _GLIBCXX_END_NAMESPACE_LDBL
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class moneypunct<char, false>;
-  extern template class moneypunct<char, true>;
-  extern template class moneypunct_byname<char, false>;
-  extern template class moneypunct_byname<char, true>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL money_get<char>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL money_put<char>;
-  extern template class __timepunct<char>;
-  extern template class time_put<char>;
-  extern template class time_put_byname<char>;
-  extern template class time_get<char>;
-  extern template class time_get_byname<char>;
-  extern template class messages<char>;
-  extern template class messages_byname<char>;
+  extern template class _GLIBCXX_IMPORT moneypunct<char, false>;
+  extern template class _GLIBCXX_IMPORT moneypunct<char, true>;
+  extern template class _GLIBCXX_IMPORT moneypunct_byname<char, false>;
+  extern template class _GLIBCXX_IMPORT moneypunct_byname<char, true>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL money_get<char>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL money_put<char>;
+  extern template class _GLIBCXX_IMPORT __timepunct<char>;
+  extern template class _GLIBCXX_IMPORT time_put<char>;
+  extern template class _GLIBCXX_IMPORT time_put_byname<char>;
+  extern template class _GLIBCXX_IMPORT time_get<char>;
+  extern template class _GLIBCXX_IMPORT time_get_byname<char>;
+  extern template class _GLIBCXX_IMPORT messages<char>;
+  extern template class _GLIBCXX_IMPORT messages_byname<char>;
 
   extern template
     const moneypunct<char, true>&
@@ -1291,19 +1291,19 @@ _GLIBCXX_END_NAMESPACE_LDBL
     has_facet<messages<char> >(const locale&);
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class moneypunct<wchar_t, false>;
-  extern template class moneypunct<wchar_t, true>;
-  extern template class moneypunct_byname<wchar_t, false>;
-  extern template class moneypunct_byname<wchar_t, true>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL money_get<wchar_t>;
-  extern template class _GLIBCXX_NAMESPACE_LDBL money_put<wchar_t>;
-  extern template class __timepunct<wchar_t>;
-  extern template class time_put<wchar_t>;
-  extern template class time_put_byname<wchar_t>;
-  extern template class time_get<wchar_t>;
-  extern template class time_get_byname<wchar_t>;
-  extern template class messages<wchar_t>;
-  extern template class messages_byname<wchar_t>;
+  extern template class _GLIBCXX_IMPORT moneypunct<wchar_t, false>;
+  extern template class _GLIBCXX_IMPORT moneypunct<wchar_t, true>;
+  extern template class _GLIBCXX_IMPORT moneypunct_byname<wchar_t, false>;
+  extern template class _GLIBCXX_IMPORT moneypunct_byname<wchar_t, true>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL money_get<wchar_t>;
+  extern template class _GLIBCXX_IMPORT _GLIBCXX_NAMESPACE_LDBL money_put<wchar_t>;
+  extern template class _GLIBCXX_IMPORT __timepunct<wchar_t>;
+  extern template class _GLIBCXX_IMPORT time_put<wchar_t>;
+  extern template class _GLIBCXX_IMPORT time_put_byname<wchar_t>;
+  extern template class _GLIBCXX_IMPORT time_get<wchar_t>;
+  extern template class _GLIBCXX_IMPORT time_get_byname<wchar_t>;
+  extern template class _GLIBCXX_IMPORT messages<wchar_t>;
+  extern template class _GLIBCXX_IMPORT messages_byname<wchar_t>;
 
   extern template
     const moneypunct<wchar_t, true>&
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/ostream.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/ostream.tcc	2012-10-31 16:49:37.515625000 +0000
@@ -358,7 +358,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class basic_ostream<char>;
+  extern template class _GLIBCXX_IMPORT basic_ostream<char>;
   extern template ostream& endl(ostream&);
   extern template ostream& ends(ostream&);
   extern template ostream& flush(ostream&);
@@ -381,7 +381,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   extern template ostream& ostream::_M_insert(const void*);
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class basic_ostream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_ostream<wchar_t>;
   extern template wostream& endl(wostream&);
   extern template wostream& ends(wostream&);
   extern template wostream& flush(wostream&);
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/sstream.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/sstream.tcc	2012-10-31 16:49:37.515625000 +0000
@@ -271,16 +271,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class basic_stringbuf<char>;
-  extern template class basic_istringstream<char>;
-  extern template class basic_ostringstream<char>;
-  extern template class basic_stringstream<char>;
+  extern template class _GLIBCXX_IMPORT basic_stringbuf<char>;
+  extern template class _GLIBCXX_IMPORT basic_istringstream<char>;
+  extern template class _GLIBCXX_IMPORT basic_ostringstream<char>;
+  extern template class _GLIBCXX_IMPORT basic_stringstream<char>;
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class basic_stringbuf<wchar_t>;
-  extern template class basic_istringstream<wchar_t>;
-  extern template class basic_ostringstream<wchar_t>;
-  extern template class basic_stringstream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_stringbuf<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_istringstream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_ostringstream<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_stringstream<wchar_t>;
 #endif
 #endif
 
--- origsrc/gcc-4.7.2/libstdc++-v3/include/bits/streambuf.tcc	2011-03-04 21:51:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/bits/streambuf.tcc	2012-10-31 16:49:37.515625000 +0000
@@ -147,7 +147,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
 #if _GLIBCXX_EXTERN_TEMPLATE
-  extern template class basic_streambuf<char>;
+  extern template class _GLIBCXX_IMPORT basic_streambuf<char>;
   extern template
     streamsize
     __copy_streambufs(basic_streambuf<char>*,
@@ -158,7 +158,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 			  basic_streambuf<char>*, bool&);
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern template class basic_streambuf<wchar_t>;
+  extern template class _GLIBCXX_IMPORT basic_streambuf<wchar_t>;
   extern template
     streamsize
     __copy_streambufs(basic_streambuf<wchar_t>*,
--- origsrc/gcc-4.7.2/libstdc++-v3/include/ext/concurrence.h	2012-07-16 23:34:13.000000000 +0100
+++ src/gcc-4.7.2/libstdc++-v3/include/ext/concurrence.h	2012-10-31 16:49:37.515625000 +0000
@@ -65,7 +65,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   // NB: As this is used in libsupc++, need to only depend on
   // exception. No stdexception classes, no use of std::string.
-  class __concurrence_lock_error : public std::exception
+  class _GLIBCXX_IMPORT __concurrence_lock_error : public std::exception
   {
   public:
     virtual char const*
@@ -73,7 +73,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     { return "__gnu_cxx::__concurrence_lock_error"; }
   };
 
-  class __concurrence_unlock_error : public std::exception
+  class _GLIBCXX_IMPORT __concurrence_unlock_error : public std::exception
   {
   public:
     virtual char const*
--- origsrc/gcc-4.7.2/libstdc++-v3/include/std/iostream	2011-01-30 22:39:36.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/std/iostream	2012-10-31 16:53:39.078125000 +0000
@@ -58,16 +58,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  linked to above.
   */
   //@{
-  extern istream cin;		/// Linked to standard input
-  extern ostream cout;		/// Linked to standard output
-  extern ostream cerr;		/// Linked to standard error (unbuffered)
-  extern ostream clog;		/// Linked to standard error (buffered)
+  extern _GLIBCXX_IMPORT istream cin;		/// Linked to standard input
+  extern _GLIBCXX_IMPORT ostream cout;		/// Linked to standard output
+  extern _GLIBCXX_IMPORT ostream cerr;		/// Linked to standard error (unbuffered)
+  extern _GLIBCXX_IMPORT ostream clog;		/// Linked to standard error (buffered)
 
 #ifdef _GLIBCXX_USE_WCHAR_T
-  extern wistream wcin;		/// Linked to standard input
-  extern wostream wcout;	/// Linked to standard output
-  extern wostream wcerr;	/// Linked to standard error (unbuffered)
-  extern wostream wclog;	/// Linked to standard error (buffered)
+  extern _GLIBCXX_IMPORT wistream wcin;		/// Linked to standard input
+  extern _GLIBCXX_IMPORT wostream wcout;	/// Linked to standard output
+  extern _GLIBCXX_IMPORT wostream wcerr;	/// Linked to standard error (unbuffered)
+  extern _GLIBCXX_IMPORT wostream wclog;	/// Linked to standard error (buffered)
 #endif
   //@}
 
--- origsrc/gcc-4.7.2/libstdc++-v3/include/std/stdexcept	2011-12-06 20:03:25.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/include/std/stdexcept	2012-10-31 17:02:54.890625000 +0000
@@ -53,7 +53,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  program runs (e.g., violations of class invariants).
    *  @brief One of two subclasses of exception.
    */
-  class logic_error : public exception 
+  class _GLIBCXX_IMPORT logic_error : public exception
   {
     string _M_msg;
 
@@ -72,7 +72,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   /** Thrown by the library, or by you, to report domain errors (domain in
    *  the mathematical sense).  */
-  class domain_error : public logic_error 
+  class _GLIBCXX_IMPORT domain_error : public logic_error 
   {
   public:
     explicit domain_error(const string& __arg);
@@ -80,7 +80,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   };
 
   /** Thrown to report invalid arguments to functions.  */
-  class invalid_argument : public logic_error 
+  class _GLIBCXX_IMPORT invalid_argument : public logic_error 
   {
   public:
     explicit invalid_argument(const string& __arg);
@@ -89,7 +89,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   /** Thrown when an object is constructed that would exceed its maximum
    *  permitted size (e.g., a basic_string instance).  */
-  class length_error : public logic_error 
+  class _GLIBCXX_IMPORT length_error : public logic_error
   {
   public:
     explicit length_error(const string& __arg);
@@ -98,7 +98,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   /** This represents an argument whose value is not within the expected
    *  range (e.g., boundary checks in basic_string).  */
-  class out_of_range : public logic_error 
+  class _GLIBCXX_IMPORT out_of_range : public logic_error
   {
   public:
     explicit out_of_range(const string& __arg);
@@ -110,7 +110,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    *  the program executes.
    *  @brief One of two subclasses of exception.
    */
-  class runtime_error : public exception 
+  class _GLIBCXX_IMPORT runtime_error : public exception
   {
     string _M_msg;
 
@@ -128,7 +128,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   };
 
   /** Thrown to indicate range errors in internal computations.  */
-  class range_error : public runtime_error 
+  class _GLIBCXX_IMPORT range_error : public runtime_error
   {
   public:
     explicit range_error(const string& __arg);
@@ -144,7 +144,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   };
 
   /** Thrown to indicate arithmetic underflow.  */
-  class underflow_error : public runtime_error 
+  class _GLIBCXX_IMPORT underflow_error : public runtime_error
   {
   public:
     explicit underflow_error(const string& __arg);
--- origsrc/gcc-4.7.2/libstdc++-v3/libsupc++/exception	2011-12-07 04:03:25.000000000 +0800
+++ src/gcc-4.7.2/libstdc++-v3/libsupc++/exception	2013-02-26 19:27:32.575916600 +0800
@@ -59,7 +59,7 @@ namespace std
    *  your own %exception classes, or use a different hierarchy, or to
    *  throw non-class data (e.g., fundamental types).
    */
-  class exception
+  class _GLIBCXX_IMPORT exception
   {
   public:
     exception() _GLIBCXX_USE_NOEXCEPT { }
@@ -72,7 +72,7 @@ namespace std
 
   /** If an %exception is thrown which is not listed in a function's
    *  %exception specification, one of these may be thrown.  */
-  class bad_exception : public exception
+  class _GLIBCXX_IMPORT bad_exception : public exception
   {
   public:
     bad_exception() _GLIBCXX_USE_NOEXCEPT { }
--- origsrc/gcc-4.7.2/libstdc++-v3/libsupc++/new	2011-10-12 19:40:58.000000000 +0100
+++ src/gcc-4.7.2/libstdc++-v3/libsupc++/new	2012-10-31 16:49:37.578125000 +0000
@@ -53,7 +53,7 @@ namespace std
    *
    *  @c bad_alloc (or classes derived from it) is used to report allocation
    *  errors from the throwing forms of @c new.  */
-  class bad_alloc : public exception 
+  class _GLIBCXX_IMPORT bad_alloc : public exception
   {
   public:
     bad_alloc() throw() { }
--- origsrc/gcc-4.7.2/libstdc++-v3/libsupc++/typeinfo	2012-01-27 19:38:56.000000000 +0000
+++ src/gcc-4.7.2/libstdc++-v3/libsupc++/typeinfo	2012-10-31 17:07:07.796875000 +0000
@@ -87,7 +87,7 @@ namespace std
    *  The @c type_info class describes type information generated by
    *  an implementation.
   */
-  class type_info
+  class _GLIBCXX_IMPORT type_info
   {
   public:
     /** Destructor first. Being the first non-inline virtual function, this
@@ -186,7 +186,7 @@ namespace std
    *
    *  If you attempt an invalid @c dynamic_cast expression, an instance of
    *  this class (or something derived from this class) is thrown.  */
-  class bad_cast : public exception
+  class _GLIBCXX_IMPORT bad_cast : public exception
   {
   public:
     bad_cast() _GLIBCXX_USE_NOEXCEPT { }
@@ -203,7 +203,7 @@ namespace std
    *  @brief Thrown when a NULL pointer in a @c typeid expression is used.
    *  @ingroup exceptions
    */
-  class bad_typeid : public exception
+  class _GLIBCXX_IMPORT bad_typeid : public exception
   {
   public:
     bad_typeid () _GLIBCXX_USE_NOEXCEPT { }
--- origsrc/gcc-4.7.2/libstdc++-v3/testsuite/lib/libstdc++.exp	2012-08-06 22:34:27.000000000 +0800
+++ src/gcc-4.7.2/libstdc++-v3/testsuite/lib/libstdc++.exp	2013-02-26 19:31:07.934763700 +0800
@@ -146,6 +146,9 @@ proc libstdc++_init { testfile } {
         set gccdir [file dirname $gccdir]
 	append ld_library_path_tmp ":${gccdir}"
     }
+    if { [string match "*-*-cygwin*" $target_triplet] } {
+	append ld_library_path_tmp ":${blddir}/../libgcc"
+    }
     v3track gccdir 3
 
     # Locate libgomp. This is only required for parallel mode.