elexis
43137fef3f
Differential Revision: https://code.wildfiregames.com/D716
Refs 09e974e1cb
Reviewed By: bb
Change in agreement with leper.
This was SVN commit r19899.
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/* Copyright (C) 2015 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef INCLUDED_EXTERNAL_LIBRARIES_OPENMP
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#define INCLUDED_EXTERNAL_LIBRARIES_OPENMP
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// allows removing all OpenMP-related code via #define ENABLE_OPENMP 0
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// before including this header. (useful during debugging, because the
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// VC debugger isn't able to display OpenMP private variables)
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#ifdef ENABLE_OPENMP
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# if ENABLE_OPENMP && !defined(_OPENMP)
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# error "either enable OpenMP in the compiler settings or don't set ENABLE_OPENMP to 1"
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# endif
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#else // no user preference; default to compiler setting
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# ifdef _OPENMP
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# define ENABLE_OPENMP 1
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# else
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# define ENABLE_OPENMP 0
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# endif
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#endif
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#if ENABLE_OPENMP
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# include <omp.h>
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#else
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# define omp_get_num_threads() 1
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# define omp_get_thread_num() 0
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# define omp_in_parallel() 0
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#endif
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// wrapper macro that evaluates to nothing if !ENABLE_OPENMP
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// (much more convenient than individual #if ENABLE_OPENMP)
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#if ENABLE_OPENMP
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# if MSC_VERSION
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# define OMP(args) __pragma(omp args)
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# elif GCC_VERSION
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# define OMP _Pragma("omp " #args)
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# else
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# error "port"
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# endif
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#else
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# define OMP(args)
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#endif
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#endif // #ifndef INCLUDED_EXTERNAL_LIBRARIES_OPENMP
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