132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/**************************************************************************
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* compiler.h -- C++ Compiler Portability Macros
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $Id$
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*
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**************************************************************************/
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/** \file compiler.h
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* A set of defines to encapsulate compiler and platform differences.
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* Please refer to the source code for full documentation on this file.
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*
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* This file is useful to set compiler-specific options in every file - for
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* example, disabling warnings.
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*
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*/
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#ifndef _SG_COMPILER_H
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#define _SG_COMPILER_H
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/*
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* Helper macro SG_STRINGIZE:
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* Converts the parameter X to a string after macro replacement
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* on X has been performed.
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*/
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#define SG_STRINGIZE(X) SG_DO_STRINGIZE(X)
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#define SG_DO_STRINGIZE(X) #X
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#ifdef __GNUC__
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# define SG_GCC_VERSION (__GNUC__ * 10000 \
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+ __GNUC_MINOR__ * 100 \
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+ __GNUC_PATCHLEVEL__)
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# define SG_COMPILER_STR "GNU C++ version " SG_STRINGIZE(__GNUC__) "." SG_STRINGIZE(__GNUC_MINOR__)
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#endif // __GNUC__
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//
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// Microsoft compilers.
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//
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#ifdef _MSC_VER
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# define strcasecmp stricmp
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# if _MSC_VER >= 1200 // msvc++ 6.0 up to MSVC2013
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# if _MSC_VER < 1900
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# define bcopy(from, to, n) memcpy(to, from, n)
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# define snprintf _snprintf
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# define strdup _strdup
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# define copysign _copysign
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# endif
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# pragma warning(disable: 4786) // identifier was truncated to '255' characters
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# pragma warning(disable: 4244) // conversion from double to float
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# pragma warning(disable: 4305) // truncation from larger type to smaller
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# pragma warning(disable: 4267) // conversion from size_t to int / 32-bit type
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# pragma warning(disable: 4996) // don't require _ prefix for standard library functions
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# pragma warning(disable: 4800) // don't warn about int -> bool performance
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# else
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# error What version of MSVC++ is this?
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# endif
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# define SG_COMPILER_STR "Microsoft Visual C++ version " SG_STRINGIZE(_MSC_VER)
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#endif // _MSC_VER
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//
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// Intel C++ Compiler
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//
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#if defined(__ICC) || defined (__ECC)
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# define SG_COMPILER_STR "Intel C++ version " SG_STRINGIZE(__ICC)
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#endif // __ICC
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//
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// Platform dependent gl.h and glut.h definitions
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//
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#ifdef __APPLE__
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# define SG_MAC
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# define SG_UNIX
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#endif
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#if defined (__FreeBSD__)
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# define SG_UNIX
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#endif
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#if defined (__CYGWIN__)
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# define SG_WINDOWS
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# define SG_UNIX
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# include <ieeefp.h> // isnan
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#endif
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// includes both MSVC and mingw compilers
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#if defined(_WIN32) || defined(__WIN32__)
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# define SG_WINDOWS
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#endif
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#if defined(__linux__) || defined(_AIX) || defined ( sgi )
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# define SG_UNIX
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#endif
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#ifdef __GNUC__
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#define SG_DEPRECATED(func) func __attribute__ ((deprecated))
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#elif defined(_MSC_VER)
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#define SG_DEPRECATED(func) __declspec(deprecated) func
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#else
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#pragma message("WARNING: You need to implement SG_DEPRECATED for this compiler")
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#define SG_DEPRECATED(func) func
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#endif
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#if defined(__clang__)
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# define SG_NO_RETURN [[noreturn]]
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#else
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# define SG_NO_RETURN
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#endif
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//
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// No user modifiable definitions beyond here.
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//
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#endif // _SG_COMPILER_H
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