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C++11 explicitly forbids macros for bool, true and false. 

gcc:
	* ginclude/stdbool.h: Do not define bool, true or false in C++11.

libstdc++-v3:
	* testsuite/18_support/headers/cstdbool/macros.cc: New.

From-SVN: r216679
This commit is contained in:
Jonathan Wakely 2014-10-24 21:56:40 +01:00 committed by Jonathan Wakely
parent 229c59193a
commit fbee6d3164
4 changed files with 50 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2014-10-24 Jonathan Wakely <jwakely@redhat.com>
* ginclude/stdbool.h: Do not define bool, true or false in C++11.
2014-10-24 Charles Baylis <charles.baylis@linaro.org>
* config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Rewrite using builtins,

6
gcc/ginclude/stdbool.h
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@ -36,11 +36,15 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#else /* __cplusplus */
/* Supporting <stdbool.h> in C++ is a GCC extension. */
/* Supporting _Bool in C++ is a GCC extension. */
#define _Bool bool
#if __cplusplus < 201103L
/* Defining these macros in C++98 is a GCC extension. */
#define bool bool
#define false false
#define true true
#endif
#endif /* __cplusplus */

4
libstdc++-v3/ChangeLog
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@ -1,3 +1,7 @@
2014-10-24 Jonathan Wakely <jwakely@redhat.com>
* testsuite/18_support/headers/cstdbool/macros.cc: New.
2014-10-24 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/atomic_base.h: Avoid including <stdbool.h>.

37
libstdc++-v3/testsuite/18_support/headers/cstdbool/macros.cc Normal file
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@ -0,0 +1,37 @@
// { dg-do compile }
// { dg-options "-std=gnu++11" }
// Copyright (C) 2012 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <cstdbool>
#ifndef __bool_true_false_are_defined
# error "The header <cstdbool> fails to define a macro named __bool_true_false_are_defined"
#endif
#ifdef bool
# error "The header <cstdbool> defines a macro named bool"
#endif
#ifdef true
# error "The header <cstdbool> defines a macro named true"
#endif
#ifdef false
# error "The header <cstdbool> defines a macro named false"
#endif