From 8f10f2035967fa704edbef1135caa3a796d2bd25 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Sat, 30 Aug 2014 14:09:18 +0400
Subject: [PATCH] Use #pragma intrinsic only with MSVC.

---
 include/boost/atomic/detail/pause.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/atomic/detail/pause.hpp b/include/boost/atomic/detail/pause.hpp
index 15d7a02..37aa5ca 100644
--- a/include/boost/atomic/detail/pause.hpp
+++ b/include/boost/atomic/detail/pause.hpp
@@ -18,8 +18,10 @@
 
 #if defined(_MSC_VER) && (defined(_M_AMD64) || defined(_M_IX86))
 extern "C" void _mm_pause(void);
+#if defined(BOOST_MSVC)
 #pragma intrinsic(_mm_pause)
 #endif
+#endif
 
 namespace boost {
 namespace atomics {
@@ -29,10 +31,8 @@ BOOST_FORCEINLINE void pause() BOOST_NOEXCEPT
 {
 #if defined(_MSC_VER) && (defined(_M_AMD64) || defined(_M_IX86))
     _mm_pause();
-
 #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
     __asm__ __volatile__("pause;");
-
 #endif
 }