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/*

 * compiler.h

 * compiler specific definitions and settings

 * used in the uhexen2 (Hammer of Thyrion) tree.

 * - standalone header

 * - doesn't and must not include any other headers

 * - shouldn't depend on arch_def.h, q_stdinc.h, or

 *   any other headers

 *

 * Copyright (C) 2007-2011  O.Sezer <sezero@users.sourceforge.net>

 *

 * This program 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 of the License, or (at

 * your option) any later version.

 *

 * This program 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 program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 */



#ifndef COMPILER_H

#define COMPILER_H



#if defined(__GNUC__)

#define FUNC_PRINTF(x,y)	__attribute__((__format__(__printf__,x,y)))

#else

#define FUNC_PRINTF(x,y)

#endif



/* argument format attributes for function pointers are supported for gcc >= 3.1 */

#if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 0))

#define FUNCP_PRINTF	FUNC_PRINTF

#else

#define FUNCP_PRINTF(x,y)

#endif



/* llvm's optnone function attribute started with clang-3.5.0 */

#if defined(__clang__) && \

           (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5))

#define FUNC_NO_OPTIMIZE	__attribute__((__optnone__))

/* function optimize attribute is added starting with gcc 4.4.0 */

#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 3))

#define FUNC_NO_OPTIMIZE	__attribute__((__optimize__("0")))

#else

#define FUNC_NO_OPTIMIZE

#endif



#if defined(__GNUC__)

#define FUNC_NORETURN	__attribute__((__noreturn__))

#elif defined(_MSC_VER) && (_MSC_VER >= 1200)

#define FUNC_NORETURN		__declspec(noreturn)

#elif defined(__WATCOMC__)

#define FUNC_NORETURN /* use the 'aborts' aux pragma */

#else

#define FUNC_NORETURN

#endif



#if defined(__GNUC__)

#define FUNC_UNUSED	__attribute__((__unused__))

#else

#define FUNC_UNUSED

#endif



#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))

#define FUNC_NOINLINE	__attribute__((__noinline__))

#elif defined(_MSC_VER) && (_MSC_VER >= 1300)

#define FUNC_NOINLINE		__declspec(noinline)

#else

#define FUNC_NOINLINE

#endif



#if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))

#define FUNC_NOCLONE	__attribute__((__noclone__))

#else

#define FUNC_NOCLONE

#endif



#if !(defined(__GNUC__) &&  (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)))

#define __extension__

#endif	/* __GNUC__ */



/* inline keyword: */

#if defined(_MSC_VER) && !defined(__cplusplus)

#define inline __inline

#endif	/* _MSC_VER */



#endif	/* COMPILER_H */