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https://github.com/tildearrow/furnace.git
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8b43d5a488
disabled for macOS onwards modified version without APSL licensed files
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright (c) 2019 Michael Dickens <michaelld@macports.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _MACPORTS_CMATH_
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#define _MACPORTS_CMATH_
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/* include MP support header to see if c++11 cmath support is needed */
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#include "MacportsLegacySupport.h"
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#if __MP_LEGACY_SUPPORT_CXX11_CMATH__
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/*
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* NOTE: This has to come -before- the include_next, so that the
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* setting is valid for any subsequently included header.
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*/
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#undef L_GLIBCXX_USE_C99_MATH_TR1
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#ifndef _GLIBCXX_USE_C99_MATH_TR1
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#define L_GLIBCXX_USE_C99_MATH_TR1 1
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/*
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* this macro enables c++11 math support in g++. It just needs to be
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* defined; not to any particular value; use 1 just because.
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*/
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#define _GLIBCXX_USE_C99_MATH_TR1 1
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#endif
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/*
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* Include our local math.h. NOTE: This has to come -before- the
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* include_next for <cmath>, so that the top-level functions are
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* all declared before they are referenced.
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*/
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#include <math.h>
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#endif /* __MP_LEGACY_SUPPORT_CXX11_CMATH__ */
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/*
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* Include the next cmath, which might be from the primary system or
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* it might be within GCC's c++ headers; either is OK here.
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*/
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#include_next <cmath>
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#if __MP_LEGACY_SUPPORT_CXX11_CMATH__
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#ifdef L_GLIBCXX_USE_C99_MATH_TR1
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#undef _GLIBCXX_USE_C99_MATH_TR1
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#undef L_GLIBCXX_USE_C99_MATH_TR1
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#endif
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/*
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* this is the same condition that defines the function prototypes in
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* the system <math.h>.
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*/
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#if ( defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L ) || ! defined( __STRICT_ANSI__ ) || ! defined( __GNUC__ )
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#else
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#ifdef _GLIBCXX_NO_C99_ROUNDING_FUNCS
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/* have to define these ourselves because GCC doesn't properly */
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#if __cplusplus >= 201103L
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#undef llrint
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#undef llrintf
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#undef llrintl
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#undef llround
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#undef llroundf
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#undef llroundl
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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using ::llrint;
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using ::llrintf;
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using ::llrintl;
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using ::llround;
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using ::llroundf;
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using ::llroundl;
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#endif /* __cplusplus >= 201103L */
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#endif /* _GLIBCXX_NO_C99_ROUNDING_FUNCS */
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#endif /* various */
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#endif /* __MP_LEGACY_SUPPORT_CXX11_CMATH__ */
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#endif /* _MACPORTS_CMATH_ */
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