From 354a976a59f1280c5403b8de37587baf53527b67 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Tue, 5 Jun 2018 10:31:34 +0200
Subject: [PATCH] Fix inverted condition in _Atomic declaration

fixes #1593
---
 common.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/common.h b/common.h
index 123e3dee7..980099ee3 100644
--- a/common.h
+++ b/common.h
@@ -642,6 +642,7 @@ void gotoblas_profile_init(void);
 void gotoblas_profile_quit(void);
 
 #ifdef USE_OPENMP
+
 #ifndef C_MSVC
 int omp_in_parallel(void);
 int omp_get_num_procs(void);
@@ -649,12 +650,15 @@ 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)
+#include <stdatomic.h>
+#else
 #ifndef _Atomic
 #define _Atomic volatile
 #endif
-#include <stdatomic.h>
 #endif
+
 #else
 #ifdef __ELF__
 int omp_in_parallel  (void) __attribute__ ((weak));