Add #pragma system_header to header files.

From-SVN: r39896

52 files changed, 170 insertions, 14 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 629c73c..c415d73 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,57 @@
+2001-02-19  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
+
+	* include/bits/basic_file.h: Add #pragma system_header
+	* include/bits/basic_ios.h: Ditto.
+	* include/bits/basic_string.h: Ditto.
+	* include/bits/char_traits.h: Ditto.
+	* include/bits/codecvt.h: Ditto.
+	* include/bits/cpp_type_traits.h:  Ditto.
+	* include/bits/fpos.h: Ditto.
+	* include/bits/gslice.h: Ditto.
+	* include/bits/gslice_array.h: Ditto.
+	* include/bits/indirect_array.h: Ditto.
+	* include/bits/ios_base.h: Ditto.
+	* include/bits/limits_generic.h: Ditto.
+	* include/bits/locale_facets.h: Ditto.
+	* include/bits/localefwd.h: Ditto.
+	* include/bits/mask_array.h: Ditto.
+	* include/bits/sbuf_iter.h: Ditto.
+	* include/bits/sequence_concepts.h: Ditto.
+	* include/bits/slice.h: Ditto.
+	* include/bits/slice_array.h: Ditto.
+	* include/bits/std_algorithm.h: Likewise.
+	* include/bits/std_bitset.h: Likewise.
+	* include/bits/std_complex.h: Likewise.
+	* include/bits/std_deque.h: Likewise.
+	* include/bits/std_fstream.h: Likewise.
+	* include/bits/std_functional.h: Likewise.
+	* include/bits/std_iomanip.h: Likewise.
+	* include/bits/std_ios.h: Likewise.
+	* include/bits/std_iosfwd.h: Likewise.
+	* include/bits/std_iostream.h: Likewise.
+	* include/bits/std_istream.h: Likewise.
+	* include/bits/std_iterator.h: Likewise.
+	* include/bits/std_list.h: Likewise.
+	* include/bits/std_locale.h: Likewise.
+	* include/bits/std_map.h: Likewise.
+	* include/bits/std_memory.h: Likewise.
+	* include/bits/std_numeric.h: Likewise.
+	* include/bits/std_ostream.h: Likewise.
+	* include/bits/std_queue.h: Likewise.
+	* include/bits/std_set.h: Likewise.
+	* include/bits/std_sstream.h: Likewise.
+	* include/bits/std_stack.h: Likewise.
+	* include/bits/std_stdexcept.h: Likewise.
+	* include/bits/std_streambuf.h: Likewise.
+	* include/bits/std_string.h: Likewise.
+	* include/bits/std_utility.h: Likewise.
+	* include/bits/std_valarray.h: Likewise.
+	* include/bits/std_vector.h: Likewise.
+	* include/bits/stringfwd.h: Likewise.
+	* include/bits/type_traits.h: Likewise.
+	* include/bits/valarray_array.h: Likewise.
+	* include/bits/valarray_meta.h: Likewise.
+
 2001-02-19  Andreas Jaeger  <aj@suse.de>
 
      	* config/cpu/sparc/sparc64/bits/atomicity.h (__compare_and_swap):
diff --git a/libstdc++-v3/include/bits/basic_file.h b/libstdc++-v3/include/bits/basic_file.h
index f3fb473..1f9a3f5 100644
--- a/libstdc++-v3/include/bits/basic_file.h
+++ b/libstdc++-v3/include/bits/basic_file.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BASIC_FILE
 #define _CPP_BASIC_FILE		1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_ios.h>
 
diff --git a/libstdc++-v3/include/bits/basic_ios.h b/libstdc++-v3/include/bits/basic_ios.h
index d03e656..9019e2b 100644
--- a/libstdc++-v3/include/bits/basic_ios.h
+++ b/libstdc++-v3/include/bits/basic_ios.h
@@ -30,6 +30,8 @@
 #ifndef _CPP_BITS_BASICIOS_H
 #define _CPP_BITS_BASICIOS_H 1
 
+#pragma GCC system_header
+
 #include <bits/sbuf_iter.h>
 #include <bits/locale_facets.h>
 
diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h
index c173d56..af83114 100644
--- a/libstdc++-v3/include/bits/basic_string.h
+++ b/libstdc++-v3/include/bits/basic_string.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BITS_STRING_H
 #define _CPP_BITS_STRING_H	1
 
+#pragma GCC system_header
+
 #include <bits/atomicity.h>
 
 namespace std {
diff --git a/libstdc++-v3/include/bits/char_traits.h b/libstdc++-v3/include/bits/char_traits.h
index 43dee93..bb8b371 100644
--- a/libstdc++-v3/include/bits/char_traits.h
+++ b/libstdc++-v3/include/bits/char_traits.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BITS_CHAR_TRAITS_H
 #define _CPP_BITS_CHAR_TRAITS_H 1
 
+#pragma GCC system_header
+
 #include <bits/std_cwchar.h> 	// For mbstate_t.
 #include <bits/std_cstring.h> 	// For memmove, memset, memchr
 #include <bits/fpos.h> 		// For streamoff, streamsize
diff --git a/libstdc++-v3/include/bits/codecvt.h b/libstdc++-v3/include/bits/codecvt.h
index a023102..68ff5e6 100644
--- a/libstdc++-v3/include/bits/codecvt.h
+++ b/libstdc++-v3/include/bits/codecvt.h
@@ -38,6 +38,8 @@
 #ifndef _CPP_BITS_CODECVT_H
 #define _CPP_BITS_CODECVT_H	1
 
+#pragma GCC system_header
+
   // XXX 
   // __enc_traits may need to move up the locale header hierarchy,
   // depending on if ctype ends up using it.
diff --git a/libstdc++-v3/include/bits/cpp_type_traits.h b/libstdc++-v3/include/bits/cpp_type_traits.h
index ae232ad..61cc45d 100644
--- a/libstdc++-v3/include/bits/cpp_type_traits.h
+++ b/libstdc++-v3/include/bits/cpp_type_traits.h
@@ -1,6 +1,6 @@
 // The  -*- C++ -*- type traits classes for internal use in libstdc++
 
-// Copyright (C) 2000 Free Software Foundation, Inc.
+// Copyright (C) 2000-2001 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
@@ -32,6 +32,8 @@
 #ifndef _CPP_BITS_CPP_TYPE_TRAITS_H
 #define _CPP_BITS_CPP_TYPE_TRAITS_H 1
 
+#pragma GCC system_header
+
 //
 // This file provides some compile-time information about various types.
 // These representations were designed, on purpose, to be constant-expressions
diff --git a/libstdc++-v3/include/bits/fpos.h b/libstdc++-v3/include/bits/fpos.h
index 197b80e..f8b3cb6 100644
--- a/libstdc++-v3/include/bits/fpos.h
+++ b/libstdc++-v3/include/bits/fpos.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BITS_FPOS_H
 #define _CPP_BITS_FPOS_H 1
 
+#pragma GCC system_header
+
 // Need this here as well as in std_ios because fpos is used in
 // char_traits, and char_traits is used by string, which may or may
 // not have included the std_ios file.
diff --git a/libstdc++-v3/include/bits/gslice.h b/libstdc++-v3/include/bits/gslice.h
index 737254c..df8ecbe 100644
--- a/libstdc++-v3/include/bits/gslice.h
+++ b/libstdc++-v3/include/bits/gslice.h
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- gslice class.
 
-// Copyright (C) 1997-1999 Free Software Foundation, Inc.
+// Copyright (C) 1997-2001 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
@@ -30,7 +30,9 @@
 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
 
 #ifndef _CPP_BITS_GSLICE_H
-#define _CPP_BITS_GSLICE_H
+#define _CPP_BITS_GSLICE_H 1
+
+#pragma GCC system_header
 
 namespace std {
     
diff --git a/libstdc++-v3/include/bits/gslice_array.h b/libstdc++-v3/include/bits/gslice_array.h
index 23a1f6d..3e2d12f 100644
--- a/libstdc++-v3/include/bits/gslice_array.h
+++ b/libstdc++-v3/include/bits/gslice_array.h
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- gslice_array class.
 
-// Copyright (C) 1997-1999, 2000 Free Software Foundation, Inc.
+// Copyright (C) 1997-2001 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
@@ -32,6 +32,8 @@
 #ifndef _CPP_BITS_GSLICE_ARRAY
 #define _CPP_BITS_GSLICE_ARRAY 1
 
+#pragma GCC system_header
+
 namespace std {
 
     template<typename _Tp> class gslice_array
diff --git a/libstdc++-v3/include/bits/indirect_array.h b/libstdc++-v3/include/bits/indirect_array.h
index 1ad3b91..e0324b3 100644
--- a/libstdc++-v3/include/bits/indirect_array.h
+++ b/libstdc++-v3/include/bits/indirect_array.h
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- indirect_array class.
 
-// Copyright (C) 1997-1999, 2000 Free Software Foundation, Inc.
+// Copyright (C) 1997-2001 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
@@ -30,7 +30,9 @@
 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
 
 #ifndef _CPP_BITS_INDIRECT_ARRAY_H
-#define _CPP_BITS_INDIRECT_ARRAY_H
+#define _CPP_BITS_INDIRECT_ARRAY_H 1
+
+#pragma GCC system_header
 
 namespace std {
 
diff --git a/libstdc++-v3/include/bits/ios_base.h b/libstdc++-v3/include/bits/ios_base.h
index 12177da..8010115 100644
--- a/libstdc++-v3/include/bits/ios_base.h
+++ b/libstdc++-v3/include/bits/ios_base.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BITS_IOSBASE_H
 #define _CPP_BITS_IOSBASE_H 1
 
+#pragma GCC system_header
+
 namespace std {
 
   // The following definitions of bitmask types are enums, not ints,
diff --git a/libstdc++-v3/include/bits/limits_generic.h b/libstdc++-v3/include/bits/limits_generic.h
index 45fcccb..e25b672 100644
--- a/libstdc++-v3/include/bits/limits_generic.h
+++ b/libstdc++-v3/include/bits/limits_generic.h
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- numeric_limits classes.
 
-// Copyright (C) 2000 Free Software Foundation, Inc.
+// Copyright (C) 2000-2001 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
@@ -38,6 +38,8 @@
 #ifndef _CPP_NUMERIC_LIMITS
 #define _CPP_NUMERIC_LIMITS 1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_cfloat.h>
 #include <bits/std_climits.h>
diff --git a/libstdc++-v3/include/bits/locale_facets.h b/libstdc++-v3/include/bits/locale_facets.h
index 6d71b81..23409736 100644
--- a/libstdc++-v3/include/bits/locale_facets.h
+++ b/libstdc++-v3/include/bits/locale_facets.h
@@ -36,6 +36,8 @@
 #ifndef _CPP_BITS_LOCFACETS_H
 #define _CPP_BITS_LOCFACETS_H	1
 
+#pragma GCC system_header
+
 #include <bits/std_ctime.h>	// For struct tm
 #include <bits/std_ios.h>	// For ios_base
 #ifdef _GLIBCPP_USE_WCHAR_T
diff --git a/libstdc++-v3/include/bits/localefwd.h b/libstdc++-v3/include/bits/localefwd.h
index d15afd9..6a14638 100644
--- a/libstdc++-v3/include/bits/localefwd.h
+++ b/libstdc++-v3/include/bits/localefwd.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BITS_LOCCORE_H
 #define _CPP_BITS_LOCCORE_H	1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/c++locale.h>     // Defines __c_locale.
 #include <bits/std_climits.h>	// For CHAR_BIT
diff --git a/libstdc++-v3/include/bits/mask_array.h b/libstdc++-v3/include/bits/mask_array.h
index 5a15f7a..2693564 100644
--- a/libstdc++-v3/include/bits/mask_array.h
+++ b/libstdc++-v3/include/bits/mask_array.h
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- mask_array class.
 
-// Copyright (C) 1997-1999, 2000 Free Software Foundation, Inc.
+// Copyright (C) 1997-2001, 2000 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
@@ -32,6 +32,8 @@
 #ifndef _CPP_BITS_MASK_ARRAY_H
 #define _CPP_BITS_MASK_ARRAY_H 1
 
+#pragma GCC system_header
+
 namespace std {
 
     template <class _Tp> class mask_array
diff --git a/libstdc++-v3/include/bits/sbuf_iter.h b/libstdc++-v3/include/bits/sbuf_iter.h
index 7a0e1d5..351c8c9 100644
--- a/libstdc++-v3/include/bits/sbuf_iter.h
+++ b/libstdc++-v3/include/bits/sbuf_iter.h
@@ -1,6 +1,6 @@
 // Streambuf iterators
 
-// Copyright (C) 1997-1999 Free Software Foundation, Inc.
+// Copyright (C) 1997-2001 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
@@ -32,6 +32,8 @@
 #ifndef _CPP_BITS_SBUF_ITER_H
 #define _CPP_BITS_SBUF_ITER_H 1
 
+#pragma GCC system_header
+
 namespace std
 {
 
diff --git a/libstdc++-v3/include/bits/sequence_concepts.h b/libstdc++-v3/include/bits/sequence_concepts.h
index af582fb..f251e2e 100644
--- a/libstdc++-v3/include/bits/sequence_concepts.h
+++ b/libstdc++-v3/include/bits/sequence_concepts.h
@@ -11,8 +11,10 @@
  * purpose.  It is provided "as is" without express or implied warranty.
  */
 
-#ifndef STL_SEQUENCE_CONCEPTS_H
-#define STL_SEQUENCE_CONCEPTS_H
+#ifndef _STL_SEQUENCE_CONCEPTS_H
+#define _STL_SEQUENCE_CONCEPTS_H 1
+
+#pragma GCC system_header
 
 #include <bits/container_concepts.h>
 
@@ -201,4 +203,4 @@ _BackInsertionSequence_requirement_violation(_BackInsertionSequence __s) {
 #endif /* if __STL_USE_CONCEPT_CHECKS */
 
 
-#endif /* STL_SEQUENCE_CONCEPTS_H */
+#endif /* _STL_SEQUENCE_CONCEPTS_H */
diff --git a/libstdc++-v3/include/bits/slice.h b/libstdc++-v3/include/bits/slice.h
index 3e4f7a7..113ff9b 100644
--- a/libstdc++-v3/include/bits/slice.h
+++ b/libstdc++-v3/include/bits/slice.h
@@ -30,7 +30,9 @@
 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
 
 #ifndef _CPP_BITS_SLICE_H
-#define _CPP_BITS_SLICE_H
+#define _CPP_BITS_SLICE_H 1
+
+#pragma GCC system_header
 
 namespace std {
 
diff --git a/libstdc++-v3/include/bits/slice_array.h b/libstdc++-v3/include/bits/slice_array.h
index 4681cb5..d016a06 100644
--- a/libstdc++-v3/include/bits/slice_array.h
+++ b/libstdc++-v3/include/bits/slice_array.h
@@ -32,6 +32,8 @@
 #ifndef _CPP_BITS_SLICE_ARRAY_H
 #define _CPP_BITS_SLICE_ARRAY_H 1
 
+#pragma GCC system_header
+
 namespace std {
     
     template<typename _Tp>
diff --git a/libstdc++-v3/include/bits/std_algorithm.h b/libstdc++-v3/include/bits/std_algorithm.h
index 3f08426..4079cf3 100644
--- a/libstdc++-v3/include/bits/std_algorithm.h
+++ b/libstdc++-v3/include/bits/std_algorithm.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_ALGORITHM
 #define _CPP_ALGORITHM 1
 
+#pragma GCC system_header
+
 #include <bits/stl_algobase.h>
 #include <bits/stl_construct.h>
 #include <bits/stl_uninitialized.h>
diff --git a/libstdc++-v3/include/bits/std_bitset.h b/libstdc++-v3/include/bits/std_bitset.h
index d4bf10c..0614e01 100644
--- a/libstdc++-v3/include/bits/std_bitset.h
+++ b/libstdc++-v3/include/bits/std_bitset.h
@@ -14,6 +14,8 @@
 #ifndef __SGI_STL_BITSET
 #define __SGI_STL_BITSET
 
+#pragma GCC system_header
+
 // A bitset of size N has N % (sizeof(unsigned long) * CHAR_BIT) unused 
 // bits.  (They are the high- order bits in the highest word.)  It is
 // a class invariant of class bitset<> that those unused bits are
diff --git a/libstdc++-v3/include/bits/std_complex.h b/libstdc++-v3/include/bits/std_complex.h
index 1cc836e..463cd6c 100644
--- a/libstdc++-v3/include/bits/std_complex.h
+++ b/libstdc++-v3/include/bits/std_complex.h
@@ -37,6 +37,8 @@
 #ifndef _CPP_COMPLEX
 #define _CPP_COMPLEX	1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_cmath.h>
 #include <bits/std_iosfwd.h>
diff --git a/libstdc++-v3/include/bits/std_deque.h b/libstdc++-v3/include/bits/std_deque.h
index 9276294..f8760a5 100644
--- a/libstdc++-v3/include/bits/std_deque.h
+++ b/libstdc++-v3/include/bits/std_deque.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_DEQUE
 #define _CPP_DEQUE 1
 
+#pragma GCC system_header
+
 #include <bits/functexcept.h>
 #include <bits/stl_algobase.h>
 #include <bits/stl_alloc.h>
diff --git a/libstdc++-v3/include/bits/std_fstream.h b/libstdc++-v3/include/bits/std_fstream.h
index 0860650..98740f5 100644
--- a/libstdc++-v3/include/bits/std_fstream.h
+++ b/libstdc++-v3/include/bits/std_fstream.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_FSTREAM
 #define _CPP_FSTREAM	1
 
+#pragma GCC system_header
+
 #include <bits/std_istream.h>
 #include <bits/std_ostream.h>
 #include <bits/basic_file.h>
diff --git a/libstdc++-v3/include/bits/std_functional.h b/libstdc++-v3/include/bits/std_functional.h
index 0336c2a..0205335 100644
--- a/libstdc++-v3/include/bits/std_functional.h
+++ b/libstdc++-v3/include/bits/std_functional.h
@@ -13,7 +13,9 @@
  */
 
 #ifndef _CPP_FUNCTIONAL
-#define _CPP_FUNCTIONAL
+#define _CPP_FUNCTIONAL 1
+
+#pragma GCC system_header
 
 #include <bits/stl_config.h>
 #include <bits/std_cstddef.h>
diff --git a/libstdc++-v3/include/bits/std_iomanip.h b/libstdc++-v3/include/bits/std_iomanip.h
index 6fa4938..0134a63 100644
--- a/libstdc++-v3/include/bits/std_iomanip.h
+++ b/libstdc++-v3/include/bits/std_iomanip.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_IOMANIP
 #define _CPP_IOMANIP 1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_istream.h>
 #include <bits/std_functional.h>
diff --git a/libstdc++-v3/include/bits/std_ios.h b/libstdc++-v3/include/bits/std_ios.h
index 1471c1c..b88f4fc 100644
--- a/libstdc++-v3/include/bits/std_ios.h
+++ b/libstdc++-v3/include/bits/std_ios.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_IOS
 #define _CPP_IOS	1
 
+#pragma GCC system_header
+
 #include <bits/std_iosfwd.h>
 #include <exception> 		// For ios_base::failure
 #include <bits/char_traits.h> 	// For char_traits, streamoff, streamsize, fpos
diff --git a/libstdc++-v3/include/bits/std_iosfwd.h b/libstdc++-v3/include/bits/std_iosfwd.h
index dc28c86..9d5146c 100644
--- a/libstdc++-v3/include/bits/std_iosfwd.h
+++ b/libstdc++-v3/include/bits/std_iosfwd.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_IOSFWD
 #define _CPP_IOSFWD 1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_cwchar.h> // For mbstate_t
 #include <bits/stringfwd.h> // For string forward declarations.
diff --git a/libstdc++-v3/include/bits/std_iostream.h b/libstdc++-v3/include/bits/std_iostream.h
index 191e09d..8c1411f 100644
--- a/libstdc++-v3/include/bits/std_iostream.h
+++ b/libstdc++-v3/include/bits/std_iostream.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_IOSTREAM
 #define _CPP_IOSTREAM	1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_ostream.h>
 #include <bits/std_istream.h>
diff --git a/libstdc++-v3/include/bits/std_istream.h b/libstdc++-v3/include/bits/std_istream.h
index 4a0f660..4c93f56 100644
--- a/libstdc++-v3/include/bits/std_istream.h
+++ b/libstdc++-v3/include/bits/std_istream.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_ISTREAM
 #define _CPP_ISTREAM	1
 
+#pragma GCC system_header
+
 #include <bits/std_ios.h>
 #include <bits/std_limits.h> // For numeric_limits
 
diff --git a/libstdc++-v3/include/bits/std_iterator.h b/libstdc++-v3/include/bits/std_iterator.h
index 65eda06..bbb7505 100644
--- a/libstdc++-v3/include/bits/std_iterator.h
+++ b/libstdc++-v3/include/bits/std_iterator.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_ITERATOR
 #define _CPP_ITERATOR 1
 
+#pragma GCC system_header
+
 #include <bits/stl_config.h>
 #include <bits/std_cstddef.h>
 #include <bits/std_iosfwd.h>
diff --git a/libstdc++-v3/include/bits/std_list.h b/libstdc++-v3/include/bits/std_list.h
index eaf1258..23cbf7b 100644
--- a/libstdc++-v3/include/bits/std_list.h
+++ b/libstdc++-v3/include/bits/std_list.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_LIST
 #define _CPP_LIST 1
 
+#pragma GCC system_header
+
 #include <bits/stl_algobase.h>
 #include <bits/stl_alloc.h>
 #include <bits/stl_construct.h>
diff --git a/libstdc++-v3/include/bits/std_locale.h b/libstdc++-v3/include/bits/std_locale.h
index 739e755..1b3b58f2 100644
--- a/libstdc++-v3/include/bits/std_locale.h
+++ b/libstdc++-v3/include/bits/std_locale.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_LOCALE
 #define _CPP_LOCALE	1
 
+#pragma GCC system_header
+
 #include <bits/localefwd.h>
 #include <bits/locale_facets.h>
 #include <bits/locale_facets.tcc>
diff --git a/libstdc++-v3/include/bits/std_map.h b/libstdc++-v3/include/bits/std_map.h
index d7fe92d..45f75ef 100644
--- a/libstdc++-v3/include/bits/std_map.h
+++ b/libstdc++-v3/include/bits/std_map.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_MAP
 #define _CPP_MAP 1
 
+#pragma GCC system_header
+
 #ifndef _CPP_BITS_STL_TREE_H  
 #include <bits/stl_tree.h>
 #endif
diff --git a/libstdc++-v3/include/bits/std_memory.h b/libstdc++-v3/include/bits/std_memory.h
index 5ee126b..49b08ad 100644
--- a/libstdc++-v3/include/bits/std_memory.h
+++ b/libstdc++-v3/include/bits/std_memory.h
@@ -15,6 +15,8 @@
 #ifndef _CPP_MEMORY
 #define _CPP_MEMORY 1
 
+#pragma GCC system_header
+
 #include <bits/stl_algobase.h>
 #include <bits/stl_alloc.h>
 #include <bits/stl_construct.h>
diff --git a/libstdc++-v3/include/bits/std_numeric.h b/libstdc++-v3/include/bits/std_numeric.h
index e9cd42d..795cdd2 100644
--- a/libstdc++-v3/include/bits/std_numeric.h
+++ b/libstdc++-v3/include/bits/std_numeric.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_NUMERIC
 #define _CPP_NUMERIC 1
 
+#pragma GCC system_header
+
 #include <bits/stl_config.h>
 #include <bits/std_cstddef.h>
 #include <bits/std_iterator.h>
diff --git a/libstdc++-v3/include/bits/std_ostream.h b/libstdc++-v3/include/bits/std_ostream.h
index bec1f15..2666b3c 100644
--- a/libstdc++-v3/include/bits/std_ostream.h
+++ b/libstdc++-v3/include/bits/std_ostream.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_OSTREAM
 #define _CPP_OSTREAM	1
 
+#pragma GCC system_header
+
 #include <bits/std_ios.h>
 
 namespace std {
diff --git a/libstdc++-v3/include/bits/std_queue.h b/libstdc++-v3/include/bits/std_queue.h
index 198b2c0..e15a3a2 100644
--- a/libstdc++-v3/include/bits/std_queue.h
+++ b/libstdc++-v3/include/bits/std_queue.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_QUEUE
 #define _CPP_QUEUE 1
 
+#pragma GCC system_header
+
 #include <bits/stl_algobase.h>
 #include <bits/stl_alloc.h>
 #include <bits/stl_construct.h>
diff --git a/libstdc++-v3/include/bits/std_set.h b/libstdc++-v3/include/bits/std_set.h
index 7a5f5c5..ea8c8d9 100644
--- a/libstdc++-v3/include/bits/std_set.h
+++ b/libstdc++-v3/include/bits/std_set.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_SET
 #define _CPP_SET 1
 
+#pragma GCC system_header
+
 #ifndef _CPP_BITS_STL_TREE_H  /* XXX is this guard needed? */
 #include <bits/stl_tree.h>
 #endif
diff --git a/libstdc++-v3/include/bits/std_sstream.h b/libstdc++-v3/include/bits/std_sstream.h
index f320711..bb00ba5 100644
--- a/libstdc++-v3/include/bits/std_sstream.h
+++ b/libstdc++-v3/include/bits/std_sstream.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_SSTREAM
 #define _CPP_SSTREAM	1
 
+#pragma GCC system_header
+
 #include <bits/std_istream.h>
 #include <bits/std_ostream.h>
 
diff --git a/libstdc++-v3/include/bits/std_stack.h b/libstdc++-v3/include/bits/std_stack.h
index 53e7e21..2ba0d8c 100644
--- a/libstdc++-v3/include/bits/std_stack.h
+++ b/libstdc++-v3/include/bits/std_stack.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_STACK
 #define _CPP_STACK 1
 
+#pragma GCC system_header
+
 #include <bits/stl_algobase.h>
 #include <bits/stl_alloc.h>
 #include <bits/stl_construct.h>
diff --git a/libstdc++-v3/include/bits/std_stdexcept.h b/libstdc++-v3/include/bits/std_stdexcept.h
index b9c5dcc..b354487 100644
--- a/libstdc++-v3/include/bits/std_stdexcept.h
+++ b/libstdc++-v3/include/bits/std_stdexcept.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_STDEXCEPT
 #define _CPP_STDEXCEPT 	  1
 
+#pragma GCC system_header
+
 #include <exception>
 #include <bits/stringfwd.h>
 
diff --git a/libstdc++-v3/include/bits/std_streambuf.h b/libstdc++-v3/include/bits/std_streambuf.h
index 2e3c6dc..e1b0784 100644
--- a/libstdc++-v3/include/bits/std_streambuf.h
+++ b/libstdc++-v3/include/bits/std_streambuf.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_STREAMBUF
 #define _CPP_STREAMBUF	1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_iosfwd.h>
 #include <bits/std_cstdio.h> 	// For SEEK_SET, SEEK_CUR, SEEK_END
diff --git a/libstdc++-v3/include/bits/std_string.h b/libstdc++-v3/include/bits/std_string.h
index 0a2da3a..a4b6d9e 100644
--- a/libstdc++-v3/include/bits/std_string.h
+++ b/libstdc++-v3/include/bits/std_string.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_STRING
 #define _CPP_STRING	1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/stringfwd.h>
 #include <bits/char_traits.h>
diff --git a/libstdc++-v3/include/bits/std_utility.h b/libstdc++-v3/include/bits/std_utility.h
index e10dae3..055acf1 100644
--- a/libstdc++-v3/include/bits/std_utility.h
+++ b/libstdc++-v3/include/bits/std_utility.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_UTILITY
 #define _CPP_UTILITY 1
 
+#pragma GCC system_header
+
 #include <bits/stl_config.h>
 #include <bits/stl_relops.h>
 #include <bits/stl_pair.h>
diff --git a/libstdc++-v3/include/bits/std_valarray.h b/libstdc++-v3/include/bits/std_valarray.h
index 9b45cdf..45bd8fb 100644
--- a/libstdc++-v3/include/bits/std_valarray.h
+++ b/libstdc++-v3/include/bits/std_valarray.h
@@ -32,6 +32,8 @@
 #ifndef _CPP_VALARRAY
 #define _CPP_VALARRAY 1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/std_cstddef.h>
 #include <bits/std_cmath.h>
diff --git a/libstdc++-v3/include/bits/std_vector.h b/libstdc++-v3/include/bits/std_vector.h
index e3613c3..6b846ad 100644
--- a/libstdc++-v3/include/bits/std_vector.h
+++ b/libstdc++-v3/include/bits/std_vector.h
@@ -27,6 +27,8 @@
 #ifndef _CPP_VECTOR
 #define _CPP_VECTOR 1
 
+#pragma GCC system_header
+
 #include <bits/functexcept.h>
 #include <bits/stl_algobase.h>
 #include <bits/stl_alloc.h>
diff --git a/libstdc++-v3/include/bits/stringfwd.h b/libstdc++-v3/include/bits/stringfwd.h
index 0202574..44f9a77 100644
--- a/libstdc++-v3/include/bits/stringfwd.h
+++ b/libstdc++-v3/include/bits/stringfwd.h
@@ -34,6 +34,8 @@
 #ifndef _CPP_BITS_STRINGFWD_H
 #define _CPP_BITS_STRINGFWD_H	1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 
 namespace std
diff --git a/libstdc++-v3/include/bits/type_traits.h b/libstdc++-v3/include/bits/type_traits.h
index dbcaa2a..fa61137 100644
--- a/libstdc++-v3/include/bits/type_traits.h
+++ b/libstdc++-v3/include/bits/type_traits.h
@@ -15,6 +15,8 @@
 #ifndef _CPP_BITS_TYPE_TRAITS_H
 #define _CPP_BITS_TYPE_TRAITS_H 1
 
+#pragma GCC system_header
+
 #ifndef _CPP_BITS_STL_CONFIG_H
 #include <bits/stl_config.h>
 #endif
diff --git a/libstdc++-v3/include/bits/valarray_array.h b/libstdc++-v3/include/bits/valarray_array.h
index a97bec9..741f646 100644
--- a/libstdc++-v3/include/bits/valarray_array.h
+++ b/libstdc++-v3/include/bits/valarray_array.h
@@ -32,6 +32,8 @@
 #ifndef _CPP_BITS_ARRAY_H
 #define _CPP_BITS_ARRAY_H 1
 
+#pragma GCC system_header
+
 #include <bits/c++config.h>
 #include <bits/cpp_type_traits.h>
 #include <bits/std_cstdlib.h>
diff --git a/libstdc++-v3/include/bits/valarray_meta.h b/libstdc++-v3/include/bits/valarray_meta.h
index da4c93f..be6a30a 100644
--- a/libstdc++-v3/include/bits/valarray_meta.h
+++ b/libstdc++-v3/include/bits/valarray_meta.h
@@ -32,6 +32,8 @@
 #ifndef _CPP_VALARRAY_META_H
 #define _CPP_VALARRAY_META_H 1
 
+#pragma GCC system_header
+
 namespace std {
 
     //