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/*
* Copyright ( c ) 2015 Dmitry V . Levin < ldv @ altlinux . org >
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* 1. Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* 2. Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ` ` AS IS ' ' AND ANY EXPRESS OR
* IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED .
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT
* NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE ,
* DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT
* ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE .
*/
# ifndef GCC_COMPAT_H_
# define GCC_COMPAT_H_
# if defined __GNUC__ && defined __GNUC_MINOR__
# define GNUC_PREREQ(maj, min) \
( ( __GNUC__ < < 16 ) + __GNUC_MINOR__ > = ( ( maj ) < < 16 ) + ( min ) )
# else
# define __attribute__(x) /* empty */
# define GNUC_PREREQ(maj, min) 0
# endif
# if GNUC_PREREQ(2, 5)
# define ATTRIBUTE_NORETURN __attribute__((__noreturn__))
# else
# define ATTRIBUTE_NORETURN /* empty */
# endif
# if GNUC_PREREQ(2, 7)
# define ATTRIBUTE_FORMAT(args) __attribute__((__format__ args))
# define ATTRIBUTE_ALIGNED(arg) __attribute__((__aligned__(arg)))
# define ATTRIBUTE_PACKED __attribute__((__packed__))
# else
# define ATTRIBUTE_FORMAT(args) /* empty */
# define ATTRIBUTE_ALIGNED(arg) /* empty */
# define ATTRIBUTE_PACKED /* empty */
# endif
# if GNUC_PREREQ(3, 0)
# define ATTRIBUTE_MALLOC __attribute__((__malloc__))
# else
# define ATTRIBUTE_MALLOC /* empty */
# endif
# if GNUC_PREREQ(3, 1)
# define ATTRIBUTE_NOINLINE __attribute__((__noinline__))
# else
# define ATTRIBUTE_NOINLINE /* empty */
# endif
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# if GNUC_PREREQ(4, 0)
# define ATTRIBUTE_SENTINEL __attribute__((__sentinel__))
# else
# define ATTRIBUTE_SENTINEL /* empty */
# endif
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# if GNUC_PREREQ(4, 3)
# define ATTRIBUTE_ALLOC_SIZE(args) __attribute__((__alloc_size__ args))
# else
# define ATTRIBUTE_ALLOC_SIZE(args) /* empty */
# endif
# endif