1  /* CFAvailability.h
       2     
       3     Copyright (C) 2017 Free Software Foundation, Inc.
       4     
       5     Written by: Stefan Bidigaray
       6     Date: August, 2017
       7     
       8     This file is part of the GNUstep CoreBase Library.
       9     
      10     This library is free software; you can redistribute it and/or
      11     modify it under the terms of the GNU Lesser General Public
      12     License as published by the Free Software Foundation; either
      13     version 2.1 of the License, or (at your option) any later version.
      14  
      15     This library is distributed in the hope that it will be useful,
      16     but WITHOUT ANY WARRANTY; without even the implied warranty of
      17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the GNU
      18     Lesser General Public License for more details.
      19  
      20     You should have received a copy of the GNU Lesser General Public
      21     License along with this library; see the file COPYING.LIB.
      22     If not, see <http://www.gnu.org/licenses/> or write to the 
      23     Free Software Foundation, 51 Franklin Street, Fifth Floor, 
      24     Boston, MA 02110-1301, USA.
      25  */
      26  
      27  
      28  #ifndef __COREFOUNDATION_CFAVAILABILITY_H__
      29  #define __COREFOUNDATION_CFAVAILABILITY_H__
      30  
      31  /* Compiler features */
      32  #ifndef __has_feature
      33  #define __has_feature(x) 0
      34  #endif
      35  #ifndef __has_attribute
      36  #define __has_attribute(x) 0
      37  #endif
      38  #ifndef __has_extension
      39  #define __has_extension(x) __has_feature
      40  #endif
      41  
      42  /* CFEnum macro for type definitions */
      43  #if (__cplusplus && __cplusplus >= 201103L)
      44  #define CF_ENUM(_type, _name) _type _name; enum : _type
      45  #define CF_OPTIONS(_type, _name) _type _name; enum : _type
      46  #else
      47  #define CF_ENUM(_type, _name) _type _name; enum
      48  #define CF_OPTIONS(_type, _name) _type _name; enum
      49  #endif
      50  
      51  #endif /* __COREFOUNDATION_CFAVAILABILITY_H__ */
      52