diff -uNr trunk/libstdc++-v3.orig/config/abi/compatibility.h trunk/libstdc++-v3/config/abi/compatibility.h
--- trunk/libstdc++-v3.orig/config/abi/compatibility.h	2005-11-30 11:40:19.000000000 +0100
+++ trunk/libstdc++-v3/config/abi/compatibility.h	2006-07-17 21:12:17.069452000 +0200
@@ -37,7 +37,7 @@
 _ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEppEv
 _ZNSt19istreambuf_iteratorIwSt11char_traitsIwEEppEv
  */
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
 _GLIBCXX_APPLY_SYMVER(_ZNSt21istreambuf_iteratorXXIcSt11char_traitsIcEEppEv,
 		      _ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEppEv)
@@ -77,7 +77,7 @@
 _ZNSt11char_traitsIcE2eqERKcS2_
 _ZNSt11char_traitsIwE2eqERKwS2_
  */
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
 _GLIBCXX_APPLY_SYMVER(_ZNSt11char_traitsIcE4eqXXERKcS2_,
 		      _ZNSt11char_traitsIcE2eqERKcS2_)
diff -uNr trunk/libstdc++-v3.orig/config/cpu/generic/atomicity_mutex/atomicity.h trunk/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h
--- trunk/libstdc++-v3.orig/config/cpu/generic/atomicity_mutex/atomicity.h	2006-07-16 23:17:16.000000000 +0200
+++ trunk/libstdc++-v3/config/cpu/generic/atomicity_mutex/atomicity.h	2006-07-17 21:11:24.858189000 +0200
@@ -31,7 +31,7 @@
 #include <bits/atomicity.h>
 #include <bits/concurrence.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   __glibcxx_mutex_define_initialized(atomic_mutex);
 } // namespace __gnu_internal
diff -uNr trunk/libstdc++-v3.orig/config/cpu/sh/atomicity.h trunk/libstdc++-v3/config/cpu/sh/atomicity.h
--- trunk/libstdc++-v3.orig/config/cpu/sh/atomicity.h	2006-03-22 10:41:01.000000000 +0100
+++ trunk/libstdc++-v3/config/cpu/sh/atomicity.h	2006-07-17 21:09:51.844376000 +0200
@@ -77,7 +77,7 @@
 #include <bits/atomicity.h>
 #include <bits/concurrence.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   __glibcxx_mutex_define_initialized(atomic_mutex);
 } // namespace __gnu_internal
diff -uNr trunk/libstdc++-v3.orig/config/io/basic_file_stdio.cc trunk/libstdc++-v3/config/io/basic_file_stdio.cc
--- trunk/libstdc++-v3.orig/config/io/basic_file_stdio.cc	2006-03-22 10:41:01.000000000 +0100
+++ trunk/libstdc++-v3/config/io/basic_file_stdio.cc	2006-07-17 21:11:55.404098000 +0200
@@ -70,7 +70,7 @@
 
 #include <limits> // For <off_t>::max() and min() and <streamsize>::max()
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   // Map ios_base::openmode flags to a string for use in fopen().
   // Table of valid combinations as given in [lib.filebuf.members]/2.
diff -uNr trunk/libstdc++-v3.orig/include/bits/cpp_type_traits.h trunk/libstdc++-v3/include/bits/cpp_type_traits.h
--- trunk/libstdc++-v3.orig/include/bits/cpp_type_traits.h	2006-03-22 10:40:54.000000000 +0100
+++ trunk/libstdc++-v3/include/bits/cpp_type_traits.h	2006-07-17 21:12:42.387034250 +0200
@@ -72,7 +72,7 @@
 
 // NB: g++ can not compile these if declared within the class
 // __is_pod itself.
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   typedef char __one;
   typedef char __two[2];
diff -uNr trunk/libstdc++-v3.orig/include/tr1/cmath trunk/libstdc++-v3/include/tr1/cmath
--- trunk/libstdc++-v3.orig/include/tr1/cmath	2006-03-22 10:40:55.000000000 +0100
+++ trunk/libstdc++-v3/include/tr1/cmath	2006-07-17 21:14:00.131893000 +0200
@@ -147,7 +147,7 @@
 #undef truncl
 
 // Workaround for c++/21682.
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   template<typename _Tp, typename _Up>
     inline typename
diff -uNr trunk/libstdc++-v3.orig/libsupc++/eh_globals.cc trunk/libstdc++-v3/libsupc++/eh_globals.cc
--- trunk/libstdc++-v3.orig/libsupc++/eh_globals.cc	2006-07-16 23:17:16.000000000 +0200
+++ trunk/libstdc++-v3/libsupc++/eh_globals.cc	2006-07-17 21:14:27.629611500 +0200
@@ -49,7 +49,7 @@
 
 #if _GLIBCXX_HAVE_TLS
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   using namespace abi;
   using namespace std;
diff -uNr trunk/libstdc++-v3.orig/src/debug.cc trunk/libstdc++-v3/src/debug.cc
--- trunk/libstdc++-v3.orig/src/debug.cc	2006-03-22 10:40:57.000000000 +0100
+++ trunk/libstdc++-v3/src/debug.cc	2006-07-17 21:16:34.933567500 +0200
@@ -39,7 +39,7 @@
 
 using namespace std;
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   static __glibcxx_mutex_define_initialized(iterator_base_mutex);
 } // namespace __gnu_internal
diff -uNr trunk/libstdc++-v3.orig/src/ext-inst.cc trunk/libstdc++-v3/src/ext-inst.cc
--- trunk/libstdc++-v3.orig/src/ext-inst.cc	2006-03-22 10:40:57.000000000 +0100
+++ trunk/libstdc++-v3/src/ext-inst.cc	2006-07-17 21:16:09.611985000 +0200
@@ -34,7 +34,7 @@
 #include <ext/rope>
 #include <ext/stdio_filebuf.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   const int min_len = __gnu_cxx::_Rope_constants::_S_max_rope_depth + 1;
 }
diff -uNr trunk/libstdc++-v3.orig/src/globals_io.cc trunk/libstdc++-v3/src/globals_io.cc
--- trunk/libstdc++-v3.orig/src/globals_io.cc	2006-03-22 10:40:57.000000000 +0100
+++ trunk/libstdc++-v3/src/globals_io.cc	2006-07-17 21:15:55.995134000 +0200
@@ -75,7 +75,7 @@
 
 _GLIBCXX_END_NAMESPACE
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   using namespace std;
   using namespace __gnu_cxx;
diff -uNr trunk/libstdc++-v3.orig/src/globals_locale.cc trunk/libstdc++-v3/src/globals_locale.cc
--- trunk/libstdc++-v3.orig/src/globals_locale.cc	2005-11-30 11:38:29.000000000 +0100
+++ trunk/libstdc++-v3/src/globals_locale.cc	2006-07-17 21:14:48.446912500 +0200
@@ -43,7 +43,7 @@
 // In macro form:
 // _GLIBCXX_ASM_SYMVER(currentname, oldname, GLIBCXX_3.2)
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   using namespace std;
 
diff -uNr trunk/libstdc++-v3.orig/src/ios_init.cc trunk/libstdc++-v3/src/ios_init.cc
--- trunk/libstdc++-v3.orig/src/ios_init.cc	2006-05-30 12:19:02.000000000 +0200
+++ trunk/libstdc++-v3/src/ios_init.cc	2006-07-17 21:16:21.916754000 +0200
@@ -40,7 +40,7 @@
 #include <ext/stdio_filebuf.h>
 #include <ext/stdio_sync_filebuf.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   using namespace __gnu_cxx;
 
diff -uNr trunk/libstdc++-v3.orig/src/locale.cc trunk/libstdc++-v3/src/locale.cc
--- trunk/libstdc++-v3.orig/src/locale.cc	2006-05-30 12:19:02.000000000 +0200
+++ trunk/libstdc++-v3/src/locale.cc	2006-07-17 21:15:26.933317750 +0200
@@ -35,7 +35,7 @@
 #include <bits/atomicity.h>
 #include <bits/concurrence.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   // Mutex object for cache access
   static __glibcxx_mutex_define_initialized(locale_cache_mutex);
diff -uNr trunk/libstdc++-v3.orig/src/locale_init.cc trunk/libstdc++-v3/src/locale_init.cc
--- trunk/libstdc++-v3.orig/src/locale_init.cc	2006-03-22 10:40:57.000000000 +0100
+++ trunk/libstdc++-v3/src/locale_init.cc	2006-07-17 21:15:23.845124750 +0200
@@ -35,7 +35,7 @@
 #include <bits/atomicity.h>
 #include <bits/concurrence.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   // Defined in globals.cc.
   extern std::locale 		c_locale;
diff -uNr trunk/libstdc++-v3.orig/src/mt_allocator.cc trunk/libstdc++-v3/src/mt_allocator.cc
--- trunk/libstdc++-v3.orig/src/mt_allocator.cc	2006-03-22 10:40:57.000000000 +0100
+++ trunk/libstdc++-v3/src/mt_allocator.cc	2006-07-17 21:15:05.643987250 +0200
@@ -35,7 +35,7 @@
 #include <bits/concurrence.h>
 #include <ext/mt_allocator.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
 #ifdef __GTHREADS
   struct __freelist
diff -uNr trunk/libstdc++-v3.orig/src/pool_allocator.cc trunk/libstdc++-v3/src/pool_allocator.cc
--- trunk/libstdc++-v3.orig/src/pool_allocator.cc	2006-03-22 10:40:57.000000000 +0100
+++ trunk/libstdc++-v3/src/pool_allocator.cc	2006-07-17 21:15:01.427723750 +0200
@@ -35,7 +35,7 @@
 #include <cstdlib>
 #include <ext/pool_allocator.h>
 
-namespace __gnu_internal
+namespace __gnu_internal __attribute__((visibility("hidden")))
 {
   static __glibcxx_mutex_define_initialized(palloc_init_mutex);
 }