2006-07-20 Benjamin Kosnik <bkoz@redhat.com>

	    Jakub Jelinek  <jakub@redhat.com>
	
	PR libstdc++/19664 round 1
	* acinclude.m4 (GLIBCXX_ENABLE_VISIBILITY): Check it.
	* configure.ac: Use it.
	* configure: Regenerate.
	* docs/html/configopts.html: Document it.
	* include/Makefile.am: Slip in to c++config.
	* include/Makefile.in: Regenerate.
	* include/bits/c++config (_GLIBCXX_VISIBILITY): New.
	(_GLIBCXX_BEGIN_NAMESPACE): Use it.
	(_GLIBCXX_END_NAMESPACE): Use it.
	(_GLIBCXX_BEGIN_NESTED_NAMESPACE): Use it.
	(_GLIBCXX_END_NESTED_NAMESPACE): Use it.		
	* src/debug.cc: Mark __gnu_internal namespace with hidden
	visibility attribute.
	* src/ext-inst.cc: Same.
	* src/globals_io.cc: Same.
	* src/globals_locale.cc: Same.
	* src/ios_init.cc: Same.
	* src/locale.cc: Same.
	* src/mt_allocator.cc: Same.
	* src/pool_allocator.cc: Same.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@115632 138bc75d-0d04-0410-961f-82ee72b054a4

10 files changed, 18 insertions, 15 deletions

diff --git a/libstdc++-v3/src/Makefile.in b/libstdc++-v3/src/Makefile.in
index 053ebc602ac..187da8eb7a8 100644
--- a/libstdc++-v3/src/Makefile.in
+++ b/libstdc++-v3/src/Makefile.in
@@ -157,6 +157,8 @@ ENABLE_SYMVERS_GNU_NAMESPACE_FALSE = @ENABLE_SYMVERS_GNU_NAMESPACE_FALSE@
 ENABLE_SYMVERS_GNU_NAMESPACE_TRUE = @ENABLE_SYMVERS_GNU_NAMESPACE_TRUE@
 ENABLE_SYMVERS_GNU_TRUE = @ENABLE_SYMVERS_GNU_TRUE@
 ENABLE_SYMVERS_TRUE = @ENABLE_SYMVERS_TRUE@
+ENABLE_VISIBILITY_FALSE = @ENABLE_VISIBILITY_FALSE@
+ENABLE_VISIBILITY_TRUE = @ENABLE_VISIBILITY_TRUE@
 EXEEXT = @EXEEXT@
 EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
 GLIBCXX_BUILD_DEBUG_FALSE = @GLIBCXX_BUILD_DEBUG_FALSE@
diff --git a/libstdc++-v3/src/debug.cc b/libstdc++-v3/src/debug.cc
index 8505f1e9bdc..8becf330dd9 100644
--- a/libstdc++-v3/src/debug.cc
+++ b/libstdc++-v3/src/debug.cc
@@ -39,7 +39,7 @@
 
 using namespace std;
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   static __glibcxx_mutex_define_initialized(iterator_base_mutex);
 } // namespace __gnu_internal
diff --git a/libstdc++-v3/src/ext-inst.cc b/libstdc++-v3/src/ext-inst.cc
index 0396ba45439..35f0b16f2ad 100644
--- a/libstdc++-v3/src/ext-inst.cc
+++ b/libstdc++-v3/src/ext-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2004, 2006 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -34,7 +34,7 @@
 #include <ext/rope>
 #include <ext/stdio_filebuf.h>
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   const int min_len = __gnu_cxx::_Rope_constants::_S_max_rope_depth + 1;
 }
diff --git a/libstdc++-v3/src/globals_io.cc b/libstdc++-v3/src/globals_io.cc
index e53152321e0..9c02899b2c6 100644
--- a/libstdc++-v3/src/globals_io.cc
+++ b/libstdc++-v3/src/globals_io.cc
@@ -1,4 +1,5 @@
-// Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
+// Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -75,7 +76,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 
 _GLIBCXX_END_NAMESPACE
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   using namespace std;
   using namespace __gnu_cxx;
diff --git a/libstdc++-v3/src/globals_locale.cc b/libstdc++-v3/src/globals_locale.cc
index 17622c07d01..56420ef40fc 100644
--- a/libstdc++-v3/src/globals_locale.cc
+++ b/libstdc++-v3/src/globals_locale.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -43,7 +43,7 @@
 // In macro form:
 // _GLIBCXX_ASM_SYMVER(currentname, oldname, GLIBCXX_3.2)
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   using namespace std;
 
diff --git a/libstdc++-v3/src/ios_init.cc b/libstdc++-v3/src/ios_init.cc
index 680efddaabf..955a1f5cdff 100644
--- a/libstdc++-v3/src/ios_init.cc
+++ b/libstdc++-v3/src/ios_init.cc
@@ -40,7 +40,7 @@
 #include <ext/stdio_filebuf.h>
 #include <ext/stdio_sync_filebuf.h>
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   using namespace __gnu_cxx;
 
diff --git a/libstdc++-v3/src/locale.cc b/libstdc++-v3/src/locale.cc
index 22d8ab0a675..93f5bc09740 100644
--- a/libstdc++-v3/src/locale.cc
+++ b/libstdc++-v3/src/locale.cc
@@ -35,7 +35,7 @@
 #include <bits/atomicity.h>
 #include <bits/concurrence.h>
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   // Mutex object for cache access
   static __glibcxx_mutex_define_initialized(locale_cache_mutex);
diff --git a/libstdc++-v3/src/locale_init.cc b/libstdc++-v3/src/locale_init.cc
index e7fe6207ebf..6d6493e64f3 100644
--- a/libstdc++-v3/src/locale_init.cc
+++ b/libstdc++-v3/src/locale_init.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -35,7 +35,7 @@
 #include <bits/atomicity.h>
 #include <bits/concurrence.h>
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   // Defined in globals.cc.
   extern std::locale 		c_locale;
diff --git a/libstdc++-v3/src/mt_allocator.cc b/libstdc++-v3/src/mt_allocator.cc
index 332cb173368..fa09ead1efd 100644
--- a/libstdc++-v3/src/mt_allocator.cc
+++ b/libstdc++-v3/src/mt_allocator.cc
@@ -1,6 +1,6 @@
 // Allocator details.
 
-// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -35,7 +35,7 @@
 #include <bits/concurrence.h>
 #include <ext/mt_allocator.h>
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
 #ifdef __GTHREADS
   struct __freelist
diff --git a/libstdc++-v3/src/pool_allocator.cc b/libstdc++-v3/src/pool_allocator.cc
index bdcf130f36b..e9c770e83eb 100644
--- a/libstdc++-v3/src/pool_allocator.cc
+++ b/libstdc++-v3/src/pool_allocator.cc
@@ -1,6 +1,6 @@
 // Allocator details.
 
-// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -35,7 +35,7 @@
 #include <cstdlib>
 #include <ext/pool_allocator.h>
 
-namespace __gnu_internal
+namespace __gnu_internal _GLIBCXX_VISIBILITY(hidden)
 {
   static __glibcxx_mutex_define_initialized(palloc_init_mutex);
 }