Add C++11 header <cuchar>.

2015-09-04  Edward Smith-Rowland  <3dw4rd@verizon.net>
	    Jonathan Wakely  <jwakely@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_UCHAR_H): Define.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Check for <uchar.h>.
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* include/c/cuchar: New.
	* include/c_compatibility/uchar.h: New.
	* include/c_global/cuchar: New.
	* include/c_std/cuchar: New.
	* include/precompiled/stdc++.h: Include <cuchar>.
	* testsuite/17_intro/headers/c++200x/stdc++.cc: Include <uchar.h>.
	* testsuite/17_intro/headers/c++200x/stdc++_multiple_inclusion.cc:
	Include <uchar.h>.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227488 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 47 insertions, 0 deletions

diff --git a/libstdc++-v3/include/c/cuchar b/libstdc++-v3/include/c/cuchar
new file mode 100644
index 00000000000..dd50c47bbe0
--- /dev/null
+++ b/libstdc++-v3/include/c/cuchar
@@ -0,0 +1,47 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2015 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 3, 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+//
+// ISO C++ 14882:2011 21.8
+//
+
+#ifndef _GLIBCXX_CUCHAR
+#define _GLIBCXX_CUCHAR 1
+
+#pragma GCC system_header
+
+#if __cplusplus < 201103L
+# include <bits/c++0x_warning.h>
+#else
+
+#include <bits/c++config.h>
+#include <cwchar>
+
+#if _GLIBCXX_USE_C11_UCHAR_CXX11
+# include_next <uchar.h>
+#endif
+
+#endif // C++11
+
+#endif // _GLIBCXX_CUCHAR