import of gcc-4.2.1, the last gcc release under GPLv2

36 files changed, 2530 insertions, 0 deletions

diff --git a/gnu/gcc/libstdc++-v3/include/backward/algo.h b/gnu/gcc/libstdc++-v3/include/backward/algo.h
new file mode 100644
index 00000000000..247460105a4
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/algo.h
@@ -0,0 +1,145 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_ALGO_H
+#define _BACKWARD_ALGO_H 1
+
+#include "backward_warning.h"
+#include "algobase.h"
+#include "tempbuf.h"
+#include "iterator.h"
+#include <bits/stl_algo.h>
+#include <bits/stl_numeric.h>
+#include <ext/algorithm>
+#include <ext/numeric>
+
+// Names from <stl_algo.h>
+using std::for_each;
+using std::find;
+using std::find_if;
+using std::adjacent_find;
+using std::count;
+using std::count_if;
+using std::search;
+using std::search_n;
+using std::swap_ranges;
+using std::transform;
+using std::replace;
+using std::replace_if;
+using std::replace_copy;
+using std::replace_copy_if;
+using std::generate;
+using std::generate_n;
+using std::remove;
+using std::remove_if;
+using std::remove_copy;
+using std::remove_copy_if;
+using std::unique;
+using std::unique_copy;
+using std::reverse;
+using std::reverse_copy;
+using std::rotate;
+using std::rotate_copy;
+using std::random_shuffle;
+using std::partition;
+using std::stable_partition;
+using std::sort;
+using std::stable_sort;
+using std::partial_sort;
+using std::partial_sort_copy;
+using std::nth_element;
+using std::lower_bound;
+using std::upper_bound;
+using std::equal_range;
+using std::binary_search;
+using std::merge;
+using std::inplace_merge;
+using std::includes;
+using std::set_union;
+using std::set_intersection;
+using std::set_difference;
+using std::set_symmetric_difference;
+using std::min_element;
+using std::max_element;
+using std::next_permutation;
+using std::prev_permutation;
+using std::find_first_of;
+using std::find_end;
+
+// Names from stl_heap.h
+using std::push_heap;
+using std::pop_heap;
+using std::make_heap;
+using std::sort_heap;
+
+// Names from stl_numeric.h
+using std::accumulate;
+using std::inner_product;
+using std::partial_sum;
+using std::adjacent_difference;
+
+// Names from ext/algorithm
+using __gnu_cxx::random_sample;
+using __gnu_cxx::random_sample_n;
+using __gnu_cxx::is_sorted;
+using __gnu_cxx::is_heap;
+using __gnu_cxx::count;   // Extension returning void
+using __gnu_cxx::count_if;   // Extension returning void
+
+// Names from ext/numeric
+using __gnu_cxx::power;
+using __gnu_cxx::iota;
+
+#endif /* _BACKWARD_ALGO_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/algobase.h b/gnu/gcc/libstdc++-v3/include/backward/algobase.h
new file mode 100644
index 00000000000..289e9886d1c
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/algobase.h
@@ -0,0 +1,91 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_ALGOBASE_H
+#define _BACKWARD_ALGOBASE_H 1
+
+#include "backward_warning.h"
+#include "pair.h"
+#include "iterator.h"
+#include <bits/stl_algobase.h>
+#include <bits/stl_uninitialized.h>
+#include <ext/algorithm>
+#include <ext/memory>
+
+// Names from stl_algobase.h
+using std::iter_swap;
+using std::swap;
+using std::min;
+using std::max;
+using std::copy;
+using std::copy_backward;
+using std::fill;
+using std::fill_n;
+using std::mismatch;
+using std::equal;
+using std::lexicographical_compare;
+
+// Names from stl_uninitialized.h
+using std::uninitialized_copy;
+using std::uninitialized_fill;
+using std::uninitialized_fill_n;
+
+// Names from ext/algorithm
+using __gnu_cxx::copy_n;
+using __gnu_cxx::lexicographical_compare_3way;
+
+// Names from ext/memory
+using __gnu_cxx::uninitialized_copy_n;
+
+#endif /* _BACKWARD_ALGOBASE_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/alloc.h b/gnu/gcc/libstdc++-v3/include/backward/alloc.h
new file mode 100644
index 00000000000..40a0af1f999
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/alloc.h
@@ -0,0 +1,52 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 2001, 2003, 2004 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1996-1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_ALLOC_H
+#define _BACKWARD_ALLOC_H 1
+
+#include "backward_warning.h"
+#include <bits/c++config.h>
+#include <bits/allocator.h>
+
+using std::allocator;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/backward_warning.h b/gnu/gcc/libstdc++-v3/include/backward/backward_warning.h
new file mode 100644
index 00000000000..80eabfe878c
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/backward_warning.h
@@ -0,0 +1,39 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_BACKWARD_WARNING_H
+#define _BACKWARD_BACKWARD_WARNING_H 1
+
+#ifdef __DEPRECATED
+#warning This file includes at least one deprecated or antiquated header. \
+Please consider using one of the 32 headers found in section 17.4.1.2 of the \
+C++ standard. Examples include substituting the <X> header for the <X.h> \
+header for C++ includes, or <iostream> instead of the deprecated header \
+<iostream.h>. To disable this warning use -Wno-deprecated.
+#endif
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/bvector.h b/gnu/gcc/libstdc++-v3/include/backward/bvector.h
new file mode 100644
index 00000000000..9a2c44da144
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/bvector.h
@@ -0,0 +1,64 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 2001, 2004 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_BVECTOR_H
+#define _BACKWARD_BVECTOR_H 1
+
+#include "backward_warning.h"
+#include <vector>
+
+typedef std::vector<bool, std::allocator<bool> > bit_vector;
+
+#endif /* _BACKWARD_BVECTOR_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/complex.h b/gnu/gcc/libstdc++-v3/include/backward/complex.h
new file mode 100644
index 00000000000..7972cf7303f
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/complex.h
@@ -0,0 +1,39 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_COMPLEX_H
+#define _BACKWARD_COMPLEX_H 1
+
+#include "backward_warning.h"
+#include <complex>
+
+using std::complex;
+typedef complex<float>		float_complex;
+typedef complex<double>		double_complex;
+typedef complex<long double>	long_double_complex;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/defalloc.h b/gnu/gcc/libstdc++-v3/include/backward/defalloc.h
new file mode 100644
index 00000000000..ffa9b16828b
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/defalloc.h
@@ -0,0 +1,117 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+// Inclusion of this file is DEPRECATED.  This is the original HP
+// default allocator.  It is provided only for backward compatibility.
+// This file WILL BE REMOVED in a future release.
+//
+// DO NOT USE THIS FILE unless you have an old container implementation
+// that requires an allocator with the HP-style interface.
+//
+// Standard-conforming allocators have a very different interface.  The
+// standard default allocator is declared in the header <memory>.
+
+#ifndef _BACKWARD_DEFALLOC_H
+#define _BACKWARD_DEFALLOC_H 1
+
+#include "backward_warning.h"
+#include "new.h"
+#include <stddef.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "iostream.h"
+#include "algobase.h"
+
+
+template <class _Tp>
+inline _Tp* allocate(ptrdiff_t __size, _Tp*) {
+    set_new_handler(0);
+    _Tp* __tmp = (_Tp*)(::operator new((size_t)(__size * sizeof(_Tp))));
+    if (__tmp == 0) {
+	cerr << "out of memory" << endl;
+	exit(1);
+    }
+    return __tmp;
+}
+
+
+template <class _Tp>
+inline void deallocate(_Tp* __buffer) {
+    ::operator delete(__buffer);
+}
+
+template <class _Tp>
+class allocator {
+public:
+    typedef _Tp value_type;
+    typedef _Tp* pointer;
+    typedef const _Tp* const_pointer;
+    typedef _Tp& reference;
+    typedef const _Tp& const_reference;
+    typedef size_t size_type;
+    typedef ptrdiff_t difference_type;
+    pointer allocate(size_type __n) {
+	return ::allocate((difference_type)__n, (pointer)0);
+    }
+    void deallocate(pointer __p) { ::deallocate(__p); }
+    pointer address(reference __x) { return (pointer)&__x; }
+    const_pointer const_address(const_reference __x) {
+	return (const_pointer)&__x;
+    }
+    size_type init_page_size() {
+	return max(size_type(1), size_type(4096/sizeof(_Tp)));
+    }
+    size_type max_size() const {
+	return max(size_type(1), size_type(UINT_MAX/sizeof(_Tp)));
+    }
+};
+
+class allocator<void> {
+public:
+    typedef void* pointer;
+};
+
+
+
+#endif /* _BACKWARD_DEFALLOC_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/deque.h b/gnu/gcc/libstdc++-v3/include/backward/deque.h
new file mode 100644
index 00000000000..a4a6b418117
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/deque.h
@@ -0,0 +1,66 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_DEQUE_H
+#define _BACKWARD_DEQUE_H 1
+
+#include "backward_warning.h"
+#include "algobase.h"
+#include "alloc.h"
+#include <deque>
+
+using std::deque;
+
+#endif /* _BACKWARD_DEQUE_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/fstream.h b/gnu/gcc/libstdc++-v3/include/backward/fstream.h
new file mode 100644
index 00000000000..92835f9b844
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/fstream.h
@@ -0,0 +1,48 @@
+// 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_FSTREAM_H
+#define _BACKWARD_FSTREAM_H 1
+
+#include "backward_warning.h"
+#include <fstream>
+
+using std::filebuf;
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+using std::streampos;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+using std::wfilebuf;
+using std::wifstream;
+using std::wofstream;
+using std::wfstream;
+using std::wstreampos;
+#endif
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/function.h b/gnu/gcc/libstdc++-v3/include/backward/function.h
new file mode 100644
index 00000000000..b5be371d8cd
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/function.h
@@ -0,0 +1,126 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_FUNCTION_H
+#define _BACKWARD_FUNCTION_H 1
+
+#include "backward_warning.h"
+#include <bits/c++config.h>
+#include <stddef.h>
+#include <bits/stl_function.h>
+#include <ext/functional>
+
+// Names from stl_function.h
+using std::unary_function;
+using std::binary_function;
+using std::plus;
+using std::minus;
+using std::multiplies;
+using std::divides;
+using std::modulus;
+using std::negate;
+using std::equal_to;
+using std::not_equal_to;
+using std::greater;
+using std::less;
+using std::greater_equal;
+using std::less_equal;
+using std::logical_and;
+using std::logical_or;
+using std::logical_not;
+using std::unary_negate;
+using std::binary_negate;
+using std::not1;
+using std::not2;
+using std::binder1st;
+using std::binder2nd;
+using std::bind1st;
+using std::bind2nd;
+using std::pointer_to_unary_function;
+using std::pointer_to_binary_function;
+using std::ptr_fun;
+using std::mem_fun_t;
+using std::const_mem_fun_t;
+using std::mem_fun_ref_t;
+using std::const_mem_fun_ref_t;
+using std::mem_fun1_t;
+using std::const_mem_fun1_t;
+using std::mem_fun1_ref_t;
+using std::const_mem_fun1_ref_t;
+using std::mem_fun;
+using std::mem_fun_ref;
+
+// Names from ext/functional
+using __gnu_cxx::identity_element;
+using __gnu_cxx::unary_compose;
+using __gnu_cxx::binary_compose;
+using __gnu_cxx::compose1;
+using __gnu_cxx::compose2;
+using __gnu_cxx::identity;
+using __gnu_cxx::select1st;
+using __gnu_cxx::select2nd;
+using __gnu_cxx::project1st;
+using __gnu_cxx::project2nd;
+using __gnu_cxx::constant_void_fun;
+using __gnu_cxx::constant_unary_fun;
+using __gnu_cxx::constant_binary_fun;
+using __gnu_cxx::constant0;
+using __gnu_cxx::constant1;
+using __gnu_cxx::constant2;
+using __gnu_cxx::subtractive_rng;
+using __gnu_cxx::mem_fun1;
+using __gnu_cxx::mem_fun1_ref;
+
+#endif /* _BACKWARD_FUNCTION_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/hash_map.h b/gnu/gcc/libstdc++-v3/include/backward/hash_map.h
new file mode 100644
index 00000000000..aa1452200a3
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/hash_map.h
@@ -0,0 +1,68 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+#ifndef _BACKWARD_HASH_MAP_H
+#define _BACKWARD_HASH_MAP_H 1
+
+#include "backward_warning.h"
+#include "algobase.h"
+#include <ext/hash_map>
+
+using __gnu_cxx::hash;
+using __gnu_cxx::hashtable;
+using __gnu_cxx::hash_map;
+using __gnu_cxx::hash_multimap;
+
+#endif /* _BACKWARD_HASH_MAP_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/hash_set.h b/gnu/gcc/libstdc++-v3/include/backward/hash_set.h
new file mode 100644
index 00000000000..c2c6e393e42
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/hash_set.h
@@ -0,0 +1,69 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+#ifndef _BACKWARD_HASH_SET_H
+#define _BACKWARD_HASH_SET_H 1
+
+#include "backward_warning.h"
+#include "algobase.h"
+#include <ext/hash_set>
+
+using __gnu_cxx::hash;
+using __gnu_cxx::hashtable;
+using __gnu_cxx::hash_set;
+using __gnu_cxx::hash_multiset;
+
+#endif /* _BACKWARD_HASH_SET_H */
+
diff --git a/gnu/gcc/libstdc++-v3/include/backward/hashtable.h b/gnu/gcc/libstdc++-v3/include/backward/hashtable.h
new file mode 100644
index 00000000000..7b7511b832c
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/hashtable.h
@@ -0,0 +1,72 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+/* NOTE: This is an internal header file, included by other STL headers.
+ *   You should not attempt to use it directly.
+ */
+
+#ifndef _BACKWARD_HASHTABLE_H
+#define _BACKWARD_HASHTABLE_H 1
+
+#include "backward_warning.h"
+#include <ext/hashtable.h>
+#include "algo.h"
+#include "alloc.h"
+#include "vector.h"
+
+using __gnu_cxx::hash;
+using __gnu_cxx::hashtable;
+
+#endif /* _BACKWARD_HASHTABLE_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/heap.h b/gnu/gcc/libstdc++-v3/include/backward/heap.h
new file mode 100644
index 00000000000..ef2e68475aa
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/heap.h
@@ -0,0 +1,67 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * Copyright (c) 1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_HEAP_H
+#define _BACKWARD_HEAP_H 1
+
+#include "backward_warning.h"
+#include <bits/c++config.h>
+#include <bits/stl_heap.h>
+
+using std::push_heap;
+using std::pop_heap;
+using std::make_heap;
+using std::sort_heap;
+
+#endif /* _BACKWARD_HEAP_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/iomanip.h b/gnu/gcc/libstdc++-v3/include/backward/iomanip.h
new file mode 100644
index 00000000000..a4099a7bec4
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/iomanip.h
@@ -0,0 +1,66 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_IOMANIP_H
+#define _BACKWARD_IOMANIP_H 1
+
+#include "backward_warning.h"
+#include "iostream.h"
+#include <iomanip>
+
+// These are from <ios> as per [27.4].
+using std::boolalpha;
+using std::noboolalpha;
+using std::showbase;
+using std::noshowbase;
+using std::showpoint;
+using std::noshowpoint;
+using std::showpos;
+using std::noshowpos;
+using std::skipws;
+using std::noskipws;
+using std::uppercase;
+using std::nouppercase;
+using std::internal;
+using std::left;
+using std::right;
+using std::dec;
+using std::hex;
+using std::oct;
+using std::fixed;
+using std::scientific;
+
+// These are from <iomanip> as per [27.6].  Manipulators from <istream>
+// and <ostream> (e.g., endl) are made available via <iostream.h>.
+using std::resetiosflags;
+using std::setiosflags;
+using std::setbase;
+using std::setfill;
+using std::setprecision;
+using std::setw;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/iostream.h b/gnu/gcc/libstdc++-v3/include/backward/iostream.h
new file mode 100644
index 00000000000..ed275ffa98d
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/iostream.h
@@ -0,0 +1,56 @@
+// Copyright (C) 1997-1999, 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_IOSTREAM_H
+#define _BACKWARD_IOSTREAM_H 1
+
+#include "backward_warning.h"
+#include <iostream>
+
+using std::iostream;
+using std::ostream;
+using std::istream;
+using std::ios;
+using std::streambuf;
+
+using std::cout;
+using std::cin;
+using std::cerr;
+using std::clog;
+#ifdef _GLIBCXX_USE_WCHAR_T
+using std::wcout;
+using std::wcin;
+using std::wcerr;
+using std::wclog;
+#endif
+
+using std::ws;
+using std::endl;
+using std::ends;
+using std::flush;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/istream.h b/gnu/gcc/libstdc++-v3/include/backward/istream.h
new file mode 100644
index 00000000000..b1c55d18991
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/istream.h
@@ -0,0 +1,34 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_ISTREAM_H
+#define _BACKWARD_ISTREAM_H 1
+
+#include "backward_warning.h"
+#include "iostream.h"
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/iterator.h b/gnu/gcc/libstdc++-v3/include/backward/iterator.h
new file mode 100644
index 00000000000..89496fb8fff
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/iterator.h
@@ -0,0 +1,187 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 2001, 2004 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_ITERATOR_H
+#define _BACKWARD_ITERATOR_H 1
+
+#include "backward_warning.h"
+#include "function.h"
+#include <stddef.h>
+#include "iostream.h"
+#include <iterator>
+
+#include <bits/stl_construct.h>
+#include <bits/stl_raw_storage_iter.h>
+
+#include <ext/iterator> // For 3-parameter distance extension
+
+// Names from stl_iterator.h
+using std::input_iterator_tag;
+using std::output_iterator_tag;
+using std::forward_iterator_tag;
+using std::bidirectional_iterator_tag;
+using std::random_access_iterator_tag;
+
+#if 0
+using std::iterator;
+#endif
+
+// The base classes input_iterator, output_iterator, forward_iterator,
+// bidirectional_iterator, and random_access_iterator are not part of
+// the C++ standard.  (They have been replaced by struct iterator.)
+// They are included for backward compatibility with the HP STL.
+template<typename _Tp, typename _Distance>
+  struct input_iterator {
+    typedef input_iterator_tag iterator_category;
+    typedef _Tp                value_type;
+    typedef _Distance          difference_type;
+    typedef _Tp*               pointer;
+    typedef _Tp&               reference;
+  };
+
+struct output_iterator {
+  typedef output_iterator_tag iterator_category;
+  typedef void                value_type;
+  typedef void                difference_type;
+  typedef void                pointer;
+  typedef void                reference;
+};
+
+template<typename _Tp, typename _Distance>
+  struct forward_iterator {
+    typedef forward_iterator_tag iterator_category;
+    typedef _Tp                  value_type;
+    typedef _Distance            difference_type;
+    typedef _Tp*                 pointer;
+    typedef _Tp&                 reference;
+  };
+
+template<typename _Tp, typename _Distance>
+  struct bidirectional_iterator {
+    typedef bidirectional_iterator_tag iterator_category;
+    typedef _Tp                        value_type;
+    typedef _Distance                  difference_type;
+    typedef _Tp*                       pointer;
+    typedef _Tp&                       reference;
+  };
+
+template<typename _Tp, typename _Distance>
+  struct random_access_iterator {
+    typedef random_access_iterator_tag iterator_category;
+    typedef _Tp                        value_type;
+    typedef _Distance                  difference_type;
+    typedef _Tp*                       pointer;
+    typedef _Tp&                       reference;
+  };
+
+using std::iterator_traits;
+
+template <class _Iter>
+  inline typename iterator_traits<_Iter>::iterator_category
+  iterator_category(const _Iter& __i)
+  { return __iterator_category(__i); }
+
+template <class _Iter>
+  inline typename iterator_traits<_Iter>::difference_type*
+  distance_type(const _Iter&)
+  { return static_cast<typename iterator_traits<_Iter>::difference_type*>(0); }
+
+template<class _Iter>
+  inline typename iterator_traits<_Iter>::value_type*
+  value_type(const _Iter& __i)
+  { return static_cast<typename iterator_traits<_Iter>::value_type*>(0); }
+
+using std::distance;
+using __gnu_cxx::distance; // 3-parameter extension
+using std::advance;
+
+using std::insert_iterator;
+using std::front_insert_iterator;
+using std::back_insert_iterator;
+using std::inserter;
+using std::front_inserter;
+using std::back_inserter;
+
+using std::reverse_iterator;
+
+using std::istream_iterator;
+using std::ostream_iterator;
+
+// Names from stl_construct.h
+template<class _T1, class _T2>
+  inline void
+  construct(_T1* __p, const _T2& __value)
+  { std::_Construct(__p, __value); }
+
+template<class _T1>
+  inline void
+  construct(_T1* __p)
+  { std::_Construct(__p); }
+
+template <class _Tp>
+  inline void
+  destroy(_Tp* __pointer)
+  { std::_Destroy(__pointer); }
+
+template <class _ForwardIterator>
+  inline void
+  destroy(_ForwardIterator __first, _ForwardIterator __last)
+  { std::_Destroy(__first, __last); }
+
+
+// Names from stl_raw_storage_iter.h
+using std::raw_storage_iterator;
+
+#endif /* _BACKWARD_ITERATOR_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/list.h b/gnu/gcc/libstdc++-v3/include/backward/list.h
new file mode 100644
index 00000000000..d70a6e4ae7d
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/list.h
@@ -0,0 +1,66 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_LIST_H
+#define _BACKWARD_LIST_H 1
+
+#include "backward_warning.h"
+#include "algobase.h"
+#include "alloc.h"
+#include <list>
+
+using std::list;
+
+#endif /* _BACKWARD_LIST_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/map.h b/gnu/gcc/libstdc++-v3/include/backward/map.h
new file mode 100644
index 00000000000..2ff3cec667e
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/map.h
@@ -0,0 +1,65 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_MAP_H
+#define _BACKWARD_MAP_H 1
+
+#include "backward_warning.h"
+#include "tree.h"
+#include <map>
+
+using std::map;
+
+#endif /* _BACKWARD_MAP_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/multimap.h b/gnu/gcc/libstdc++-v3/include/backward/multimap.h
new file mode 100644
index 00000000000..515d2995049
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/multimap.h
@@ -0,0 +1,65 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_MULTIMAP_H
+#define _BACKWARD_MULTIMAP_H 1
+
+#include "backward_warning.h"
+#include "tree.h"
+#include <map>
+
+using std::multimap;
+
+#endif /* _BACKWARD_MULTIMAP_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/multiset.h b/gnu/gcc/libstdc++-v3/include/backward/multiset.h
new file mode 100644
index 00000000000..1f857ae6eb0
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/multiset.h
@@ -0,0 +1,65 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_MULTISET_H
+#define _BACKWARD_MULTISET_H 1
+
+#include "backward_warning.h"
+#include "tree.h"
+#include <set>
+
+using std::multiset;
+
+#endif /* _BACKWARD_MULTISET_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/new.h b/gnu/gcc/libstdc++-v3/include/backward/new.h
new file mode 100644
index 00000000000..9cfbab27fe6
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/new.h
@@ -0,0 +1,42 @@
+// -*- C++ -*- forwarding header.
+// Copyright (C) 2000 Free Software Foundation
+
+// This file is part of GCC.
+//
+// GCC is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2, or (at your option)
+// any later version.
+//
+// GCC is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING.  If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_NEW_H
+#define _BACKWARD_NEW_H 1
+
+#include "backward_warning.h"
+#include <new>
+
+using std::bad_alloc;
+using std::nothrow_t;
+using std::nothrow;
+using std::new_handler;
+using std::set_new_handler;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/ostream.h b/gnu/gcc/libstdc++-v3/include/backward/ostream.h
new file mode 100644
index 00000000000..07ef9b0f2b3
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/ostream.h
@@ -0,0 +1,34 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_OSTREAM_H
+#define _BACKWARD_OSTREAM_H 1
+
+#include "backward_warning.h"
+#include "iostream.h"
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/pair.h b/gnu/gcc/libstdc++-v3/include/backward/pair.h
new file mode 100644
index 00000000000..4985bcbfdd2
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/pair.h
@@ -0,0 +1,66 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_PAIR_H
+#define _BACKWARD_PAIR_H 1
+
+#include "backward_warning.h"
+#include <bits/c++config.h>
+#include <bits/stl_pair.h>
+
+using std::pair;
+using std::make_pair;
+
+#endif /* _BACKWARD_PAIR_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/queue.h b/gnu/gcc/libstdc++-v3/include/backward/queue.h
new file mode 100644
index 00000000000..da7505c28d1
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/queue.h
@@ -0,0 +1,37 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_QUEUE_H
+#define _BACKWARD_QUEUE_H 1
+
+#include "backward_warning.h"
+#include <queue>
+
+using std::queue;
+using std::priority_queue;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/rope.h b/gnu/gcc/libstdc++-v3/include/backward/rope.h
new file mode 100644
index 00000000000..71e88153267
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/rope.h
@@ -0,0 +1,56 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_ROPE_H
+#define _BACKWARD_ROPE_H 1
+
+#include "backward_warning.h"
+#include "hashtable.h"
+#include <ext/rope>
+
+using __gnu_cxx::char_producer;
+using __gnu_cxx::sequence_buffer;
+using __gnu_cxx::rope;
+using __gnu_cxx::crope;
+using __gnu_cxx::wrope;
+
+#endif /* _BACKWARD_ROPE_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/set.h b/gnu/gcc/libstdc++-v3/include/backward/set.h
new file mode 100644
index 00000000000..3c6a390cf49
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/set.h
@@ -0,0 +1,65 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_SET_H
+#define _BACKWARD_SET_H 1
+
+#include "backward_warning.h"
+#include "tree.h"
+#include <set>
+
+using std::set;
+
+#endif /* _BACKWARD_SET_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/slist.h b/gnu/gcc/libstdc++-v3/include/backward/slist.h
new file mode 100644
index 00000000000..9b9a43d3f0d
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/slist.h
@@ -0,0 +1,52 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+#ifndef _BACKWARD_SLIST_H
+#define _BACKWARD_SLIST_H 1
+
+#include "backward_warning.h"
+#include <ext/slist>
+
+using __gnu_cxx::slist;
+
+#endif /* _BACKWARD_SLIST_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/stack.h b/gnu/gcc/libstdc++-v3/include/backward/stack.h
new file mode 100644
index 00000000000..07df41769e0
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/stack.h
@@ -0,0 +1,68 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_STACK_H
+#define _BACKWARD_STACK_H 1
+
+#include "backward_warning.h"
+#include "vector.h"
+#include "deque.h"
+#include "heap.h"
+#include "queue.h"
+#include <stack>
+
+using std::stack;
+
+#endif /* _BACKWARD_STACK_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/stream.h b/gnu/gcc/libstdc++-v3/include/backward/stream.h
new file mode 100644
index 00000000000..c137601e676
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/stream.h
@@ -0,0 +1,34 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_STREAM_H
+#define _BACKWARD_STREAM_H 1
+
+#include "backward_warning.h"
+#include "iostream.h"
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/streambuf.h b/gnu/gcc/libstdc++-v3/include/backward/streambuf.h
new file mode 100644
index 00000000000..bac24495a05
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/streambuf.h
@@ -0,0 +1,36 @@
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BACKWARD_STREAMBUF_H
+#define _BACKWARD_STREAMBUF_H 1
+
+#include "backward_warning.h"
+#include <streambuf>
+
+using std::streambuf;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/strstream b/gnu/gcc/libstdc++-v3/include/backward/strstream
new file mode 100644
index 00000000000..d0d5a13863f
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/strstream
@@ -0,0 +1,181 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 2001, 2002, 2004, 2005 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1998
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+// WARNING: The classes defined in this header are DEPRECATED.  This
+// header is defined in section D.7.1 of the C++ standard, and it
+// MAY BE REMOVED in a future standard revision.  You should use the
+// header <sstream> instead.
+
+#ifndef __SGI_STL_STRSTREAM
+#define __SGI_STL_STRSTREAM
+
+#include "backward_warning.h"
+#include <iosfwd>
+#include <ios>
+#include <istream>
+#include <ostream>
+#include <string>
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+  // 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> >
+  {
+  public:
+    // Types.
+    typedef char_traits<char>              _Traits;
+    typedef basic_streambuf<char, _Traits> _Base;
+
+  public:
+    // Constructor, destructor
+    explicit strstreambuf(streamsize __initial_capacity = 0);
+    strstreambuf(void* (*__alloc)(size_t), void (*__free)(void*));
+
+    strstreambuf(char* __get, streamsize __n, char* __put = 0);
+    strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0);
+    strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0);
+
+    strstreambuf(const char* __get, streamsize __n);
+    strstreambuf(const signed char* __get, streamsize __n);
+    strstreambuf(const unsigned char* __get, streamsize __n);
+
+    virtual ~strstreambuf();
+
+  public:
+    void freeze(bool = true);
+    char* str();
+    int pcount() const;
+
+  protected:
+    virtual int_type overflow(int_type __c  = _Traits::eof());
+    virtual int_type pbackfail(int_type __c = _Traits::eof());
+    virtual int_type underflow();
+    virtual _Base* setbuf(char* __buf, streamsize __n);
+    virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir,
+			     ios_base::openmode __mode
+			     = ios_base::in | ios_base::out);
+    virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode
+			     = ios_base::in | ios_base::out);
+
+  private:
+    strstreambuf&
+    operator=(const strstreambuf&);
+
+    strstreambuf(const strstreambuf&);
+
+    // Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun.
+    char* _M_alloc(size_t);
+    void  _M_free(char*);
+
+    // Helper function used in constructors.
+    void _M_setup(char* __get, char* __put, streamsize __n);
+
+  private:
+    // Data members.
+    void* (*_M_alloc_fun)(size_t);
+    void  (*_M_free_fun)(void*);
+
+    bool _M_dynamic  : 1;
+    bool _M_frozen   : 1;
+    bool _M_constant : 1;
+  };
+
+  // Class istrstream, an istream that manages a strstreambuf.
+  class istrstream : public basic_istream<char>
+  {
+  public:
+    explicit istrstream(char*);
+    explicit istrstream(const char*);
+    istrstream(char* , streamsize);
+    istrstream(const char*, streamsize);
+    virtual ~istrstream();
+
+    strstreambuf* rdbuf() const;
+    char* str();
+
+  private:
+    strstreambuf _M_buf;
+  };
+
+  // Class ostrstream
+  class ostrstream : public basic_ostream<char>
+  {
+  public:
+    ostrstream();
+    ostrstream(char*, int, ios_base::openmode = ios_base::out);
+    virtual ~ostrstream();
+
+    strstreambuf* rdbuf() const;
+    void freeze(bool = true);
+    char* str();
+    int pcount() const;
+
+  private:
+    strstreambuf _M_buf;
+  };
+
+  // Class strstream
+  class strstream : public basic_iostream<char>
+  {
+  public:
+    typedef char                        char_type;
+    typedef char_traits<char>::int_type int_type;
+    typedef char_traits<char>::pos_type pos_type;
+    typedef char_traits<char>::off_type off_type;
+
+    strstream();
+    strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out);
+    virtual ~strstream();
+
+    strstreambuf* rdbuf() const;
+    void freeze(bool = true);
+    int pcount() const;
+    char* str();
+
+  private:
+    strstreambuf _M_buf;
+  };
+
+_GLIBCXX_END_NAMESPACE
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/tempbuf.h b/gnu/gcc/libstdc++-v3/include/backward/tempbuf.h
new file mode 100644
index 00000000000..af6e57daa3b
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/tempbuf.h
@@ -0,0 +1,74 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 2001, 2005 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_TEMPBUF_H
+#define _BACKWARD_TEMPBUF_H 1
+
+#include "backward_warning.h"
+#include "pair.h"
+#include "iterator.h"
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <bits/cpp_type_traits.h>
+#include <bits/stl_construct.h>
+#include <bits/stl_uninitialized.h>
+#include <ext/memory>
+
+using std::get_temporary_buffer;
+using std::return_temporary_buffer;
+using __gnu_cxx::temporary_buffer;
+
+#endif /* _BACKWARD_TEMPBUF_H */
diff --git a/gnu/gcc/libstdc++-v3/include/backward/tree.h b/gnu/gcc/libstdc++-v3/include/backward/tree.h
new file mode 100644
index 00000000000..88a2f1d7c82
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/tree.h
@@ -0,0 +1,52 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ * Copyright (c) 1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+#ifndef _BACKWARD_TREE
+#define _BACKWARD_TREE 1
+
+#include "backward_warning.h"
+#include <ext/rb_tree>
+
+using __gnu_cxx::rb_tree;
+
+#endif
diff --git a/gnu/gcc/libstdc++-v3/include/backward/vector.h b/gnu/gcc/libstdc++-v3/include/backward/vector.h
new file mode 100644
index 00000000000..8cd8dd0f360
--- /dev/null
+++ b/gnu/gcc/libstdc++-v3/include/backward/vector.h
@@ -0,0 +1,66 @@
+// Backward-compat support -*- C++ -*-
+
+// Copyright (C) 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _BACKWARD_VECTOR_H
+#define _BACKWARD_VECTOR_H 1
+
+#include "backward_warning.h"
+#include "algobase.h"
+#include "alloc.h"
+#include <vector>
+
+using std::vector;
+
+#endif /* _BACKWARD_VECTOR_H */