18 files changed, 731 insertions, 0 deletions
diff --git a/contrib/libstdc++/include/c/std_cassert.h b/contrib/libstdc++/include/c/std_cassert.h
new file mode 100644
index 0000000000000..9b2bb72beab3a
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cassert.h
@@ -0,0 +1,38 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 19.2  Assertions
+//
+
+// No include guards on this header...
+
+#pragma GCC system_header
+
+#include_next <assert.h>
diff --git a/contrib/libstdc++/include/c/std_cctype.h b/contrib/libstdc++/include/c/std_cctype.h
new file mode 100644
index 0000000000000..9d84a3d68b72a
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cctype.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: <ccytpe>
+//
+
+#ifndef _CPP_CCTYPE
+#define _CPP_CCTYPE 1
+
+#pragma GCC system_header
+
+#include_next <ctype.h>
+
+#endif 
diff --git a/contrib/libstdc++/include/c/std_cerrno.h b/contrib/libstdc++/include/c/std_cerrno.h
new file mode 100644
index 0000000000000..93ba868438998
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cerrno.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 19.3  Error numbers
+//
+
+#ifndef _CPP_CERRNO
+#define _CPP_CERRNO 1
+
+#pragma GCC system_header
+
+#include_next <errno.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cfloat.h b/contrib/libstdc++/include/c/std_cfloat.h
new file mode 100644
index 0000000000000..9c95760b38bf2
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cfloat.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 18.2.2  Implementation properties: C library
+//
+
+#ifndef _CPP_CFLOAT
+#define _CPP_CFLOAT 1
+
+#pragma GCC system_header
+
+#include_next <float.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_ciso646.h b/contrib/libstdc++/include/c/std_ciso646.h
new file mode 100644
index 0000000000000..0993a0a7d6f94
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_ciso646.h
@@ -0,0 +1,37 @@
+// -*- C++ -*- forwarding header.
+
+// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+/** @file ciso646
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the "*.h" implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c iso646.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std.
+ */
diff --git a/contrib/libstdc++/include/c/std_climits.h b/contrib/libstdc++/include/c/std_climits.h
new file mode 100644
index 0000000000000..9194cb9adf764
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_climits.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 18.2.2  Implementation properties: C library
+//
+
+#ifndef _CPP_CLIMITS
+#define _CPP_CLIMITS	1
+
+#pragma GCC system_header
+
+#include_next <limits.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_clocale.h b/contrib/libstdc++/include/c/std_clocale.h
new file mode 100644
index 0000000000000..b6b3c22268ade
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_clocale.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 18.2.2  Implementation properties: C library
+//
+
+#ifndef _CPP_CLOCALE
+#define _CPP_CLOCALE 1
+
+#pragma GCC system_header
+
+#include_next <locale.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cmath.h b/contrib/libstdc++/include/c/std_cmath.h
new file mode 100644
index 0000000000000..33ac50b9f9ad3
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cmath.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 26.5  C library
+//
+
+#ifndef _CPP_CMATH
+#define _CPP_CMATH 1
+ 
+#pragma GCC system_header
+
+#include_next <math.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_csetjmp.h b/contrib/libstdc++/include/c/std_csetjmp.h
new file mode 100644
index 0000000000000..011907bbaa14a
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_csetjmp.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _CPP_CSETJMP
+#define _CPP_CSETJMP 1
+
+#pragma GCC system_header
+
+#include_next <setjmp.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_csignal.h b/contrib/libstdc++/include/c/std_csignal.h
new file mode 100644
index 0000000000000..09614e7ea0196
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_csignal.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _CPP_CSIGNAL
+#define _CPP_CSIGNAL 1
+
+#pragma GCC system_header
+
+#include_next <signal.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cstdarg.h b/contrib/libstdc++/include/c/std_cstdarg.h
new file mode 100644
index 0000000000000..d2cb544157973
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cstdarg.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _CPP_CSTDARG
+#define _CPP_CSTDARG 1
+
+#pragma GCC system_header
+
+#include_next <stdarg.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cstddef.h b/contrib/libstdc++/include/c/std_cstddef.h
new file mode 100644
index 0000000000000..da41736ef9ed1
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cstddef.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 18.1  Types
+//
+
+#ifndef _CPP_CSTDDEF
+#define _CPP_CSTDDEF 1
+
+#pragma GCC system_header
+
+#include_next <stddef.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cstdio.h b/contrib/libstdc++/include/c/std_cstdio.h
new file mode 100644
index 0000000000000..542b92414ca23
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cstdio.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 27.8.2  C Library files
+//
+
+#ifndef _CPP_CSTDIO
+#define _CPP_CSTDIO 1
+
+#pragma GCC system_header
+
+#include_next <stdio.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cstdlib.h b/contrib/libstdc++/include/c/std_cstdlib.h
new file mode 100644
index 0000000000000..57ade0dfb3637
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cstdlib.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _CPP_CSTDLIB
+#define _CPP_CSTDLIB 1
+
+#pragma GCC system_header
+
+#include_next <stdlib.h>
+
+#endif 
diff --git a/contrib/libstdc++/include/c/std_cstring.h b/contrib/libstdc++/include/c/std_cstring.h
new file mode 100644
index 0000000000000..656ff52be3419
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cstring.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _CPP_CSTRING
+#define _CPP_CSTRING 1
+
+#pragma GCC system_header
+
+#include_next <string.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_ctime.h b/contrib/libstdc++/include/c/std_ctime.h
new file mode 100644
index 0000000000000..ba9103ee054fd
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_ctime.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 20.5  Date and time
+//
+
+#ifndef _CPP_CTIME
+#define _CPP_CTIME 1
+
+#pragma GCC system_header
+
+#include_next <time.h>
+
+#endif
diff --git a/contrib/libstdc++/include/c/std_cwchar.h b/contrib/libstdc++/include/c/std_cwchar.h
new file mode 100644
index 0000000000000..f9dfbadb9bad6
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cwchar.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: 21.4
+//
+
+#ifndef _CPP_CWCHAR
+#define _CPP_CWCHAR 1
+
+#pragma GCC system_header
+
+#include_next <wchar.h>
+
+#endif 
diff --git a/contrib/libstdc++/include/c/std_cwctype.h b/contrib/libstdc++/include/c/std_cwctype.h
new file mode 100644
index 0000000000000..ef6b44bd97a39
--- /dev/null
+++ b/contrib/libstdc++/include/c/std_cwctype.h
@@ -0,0 +1,41 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// 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.
+
+//
+// ISO C++ 14882: <cwctype>
+//
+
+#ifndef _CPP_CWCTYPE
+#define _CPP_CWCTYPE 1
+
+#pragma GCC system_header
+
+#include_next <wctype.h>
+
+#endif