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-rw-r--r--erts/include/internal/gcc/ethread.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/erts/include/internal/gcc/ethread.h b/erts/include/internal/gcc/ethread.h
index fcfdc39441..365a3535cf 100644
--- a/erts/include/internal/gcc/ethread.h
+++ b/erts/include/internal/gcc/ethread.h
@@ -25,6 +25,9 @@
#ifndef ETHREAD_GCC_H__
#define ETHREAD_GCC_H__
+#if defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32) \
+ || defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64)
+
#ifndef ETHR_MEMBAR
# include "ethr_membar.h"
#endif
@@ -46,3 +49,5 @@
#endif
#endif
+
+#endif