0ad/source/lib/external_libraries/openmp.h
janwas cccd6849a7 cleanup (requires update-workspaces)
lib_errors.cpp: replace with status.cpp, adapt to needs at work
wutil: fix runtime warning reported via feedback box
config: merge CONFIG_PARANOIA and !CONFIG_FINAL into
CONFIG_ENABLE_CHECKS
add openmp, pointer_typedefs.h

This was SVN commit r9410.
2011-05-03 12:38:42 +00:00

41 lines
1.1 KiB
C

#ifndef INCLUDED_EXTERNAL_LIBRARIES_OPENMP
#define INCLUDED_EXTERNAL_LIBRARIES_OPENMP
// allows removing all OpenMP-related code via #define ENABLE_OPENMP 0
// before including this header. (useful during debugging, because the
// VC debugger isn't able to display OpenMP private variables)
#ifdef ENABLE_OPENMP
# if ENABLE_OPENMP && !defined(_OPENMP)
# error "either enable OpenMP in the compiler settings or don't set ENABLE_OPENMP to 1"
# endif
#else // no user preference; default to compiler setting
# ifdef _OPENMP
# define ENABLE_OPENMP 1
# else
# define ENABLE_OPENMP 0
# endif
#endif
#if ENABLE_OPENMP
# include <omp.h>
#else
# define omp_get_num_threads() 1
# define omp_get_thread_num() 0
# define omp_in_parallel() 0
#endif
// wrapper macro that evaluates to nothing if !ENABLE_OPENMP
// (much more convenient than individual #if ENABLE_OPENMP)
#if ENABLE_OPENMP
# if MSC_VERSION
# define OMP(args) __pragma(omp args)
# elif GCC_VERSION
# define OMP _Pragma("omp " #args)
# else
# error "port"
# endif
#else
# define OMP(args)
#endif
#endif // #ifndef INCLUDED_EXTERNAL_LIBRARIES_OPENMP