From fe8f1dc4e0e8ea708ecee06109b2e1f79c20f02d Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Wed, 1 Oct 2014 13:30:37 +0400
Subject: [PATCH] Use #pragma intrinsic only with MSVC.

---
 include/boost/atomic/detail/ops_msvc_x86.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/boost/atomic/detail/ops_msvc_x86.hpp b/include/boost/atomic/detail/ops_msvc_x86.hpp
index 308e0f2..501d9c6 100644
--- a/include/boost/atomic/detail/ops_msvc_x86.hpp
+++ b/include/boost/atomic/detail/ops_msvc_x86.hpp
@@ -44,8 +44,10 @@
 
 #if defined(_MSC_VER) && (defined(_M_AMD64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2))
 extern "C" void _mm_mfence(void);
+#if defined(BOOST_MSVC)
 #pragma intrinsic(_mm_mfence)
 #endif
+#endif
 
 namespace boost {
 namespace atomics {