mirror of
https://git.planet-casio.com/Lephenixnoir/OpenLibm.git
synced 2024-12-29 13:03:42 +01:00
e836b30cc7
This gets rid of a warning on Mac OS X due to the fact that sys/cdefs.h defines it already.
100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 1991, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Berkeley Software Design, Inc.
|
|
*
|
|
* 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.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)cdefs.h 8.8 (Berkeley) 1/9/95
|
|
* $FreeBSD: src/sys/sys/cdefs.h,v 1.114 2011/02/18 21:44:53 nwhitehorn Exp $
|
|
*/
|
|
|
|
/* Do not redefine macros if the system provides them in sys/cdefs.h.
|
|
* The two macros correspond to different platforms. */
|
|
#ifndef _BSD_CDEFS_H_
|
|
#define _BSD_CDEFS_H_
|
|
|
|
/*
|
|
* This code has been put in place to help reduce the addition of
|
|
* compiler specific defines in FreeBSD code. It helps to aid in
|
|
* having a compiler-agnostic source tree.
|
|
*/
|
|
|
|
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
|
|
|
|
#if __GNUC__ >= 3 || defined(__INTEL_COMPILER)
|
|
#define __GNUCLIKE_ASM 3
|
|
#else
|
|
#define __GNUCLIKE_ASM 2
|
|
#endif
|
|
|
|
#define __CC_SUPPORTS___INLINE__ 1
|
|
|
|
#endif /* __GNUC__ || __INTEL_COMPILER */
|
|
|
|
#if defined(__STDC__) || defined(__cplusplus)
|
|
|
|
#define __volatile volatile
|
|
#if defined(__cplusplus)
|
|
#define __inline inline /* convert to C++ keyword */
|
|
#else
|
|
#if !defined(__CC_SUPPORTS___INLINE)
|
|
#define __inline /* delete GCC keyword */
|
|
#endif /* ! __CC_SUPPORTS___INLINE */
|
|
#endif /* !__cplusplus */
|
|
|
|
#else /* !(__STDC__ || __cplusplus) */
|
|
|
|
#if !defined(__CC_SUPPORTS___INLINE)
|
|
#define __inline
|
|
#define __volatile
|
|
#endif /* !__CC_SUPPORTS___INLINE */
|
|
#endif /* !(__STDC__ || __cplusplus) */
|
|
|
|
/*
|
|
* Macro to test if we're using a specific version of gcc or later.
|
|
*/
|
|
#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
|
|
#define __GNUC_PREREQ__(ma, mi) \
|
|
(__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
|
|
#else
|
|
#define __GNUC_PREREQ__(ma, mi) 0
|
|
#endif
|
|
|
|
/*
|
|
* Compiler-dependent macro to help declare pure (no side effects) functions.
|
|
* It is null except for versions of gcc that are known to support the features
|
|
* properly (old versions of gcc-2 supported the dead and pure features
|
|
* in a different (wrong) way), and for icc. If we do not provide an implementation
|
|
* for a given compiler, let the compile fail if it is told to use
|
|
* a feature that we cannot live without.
|
|
*/
|
|
#if !defined(__pure2) && (__GNUC_PREREQ__(2, 7) || defined(__INTEL_COMPILER))
|
|
#define __pure2 __attribute__((__const__))
|
|
#endif
|
|
|
|
#endif /* !_BSD_CDEFS_H_ */
|