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Restore _Atomic define before stdatomic.h for old gcc 

see #1593
This commit is contained in:
Martin Kroeker 2018-06-06 09:18:10 +02:00 committed by GitHub
parent f5959f2543
commit 06d43760e4
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1 changed files with 10 additions and 1 deletions
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11
common.h
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@ -649,12 +649,21 @@ int omp_get_num_procs(void);
__declspec(dllimport) int __cdecl omp_in_parallel(void);
__declspec(dllimport) int __cdecl omp_get_num_procs(void);
#endif
#if (__STDC_VERSION__ >= 201112L)
#if defined(C_GCC) && ( __GNUC__ < 7)
// workaround for GCC bug 65467
#ifndef _Atomic
#define _Atomic volatile
#endif
#include <stdatomic.h>
#endif
#include <stdatomic.h>
#else
#ifndef _Atomic
#define _Atomic volatile
#endif
#else
#ifdef __ELF__
int omp_in_parallel (void) __attribute__ ((weak));