[Boost-commit] svn:boost r81128 - trunk/boost/smart_ptr/detail

Subject: [Boost-commit] svn:boost r81128 - trunk/boost/smart_ptr/detail
From: pdimov_at_[hidden]
Date: 2012-10-31 16:37:21

Author: pdimov
Date: 2012-10-31 16:37:21 EDT (Wed, 31 Oct 2012)
New Revision: 81128
URL: http://svn.boost.org/trac/boost/changeset/81128

Log:
Define BOOST_SP_HAS_SYNC when __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 is set. Refs #7141.
Text files modified: 
   trunk/boost/smart_ptr/detail/sp_has_sync.hpp |    14 +++++++++-----                          
   1 files changed, 9 insertions(+), 5 deletions(-)

Modified: trunk/boost/smart_ptr/detail/sp_has_sync.hpp
==============================================================================
--- trunk/boost/smart_ptr/detail/sp_has_sync.hpp	(original)
+++ trunk/boost/smart_ptr/detail/sp_has_sync.hpp	2012-10-31 16:37:21 EDT (Wed, 31 Oct 2012)
@@ -22,7 +22,15 @@
 
 #ifndef BOOST_SP_NO_SYNC
 
-#if defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
+#if defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
+
+# define BOOST_SP_HAS_SYNC
+
+#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 )
+
+# define BOOST_SP_HAS_SYNC
+
+#elif defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
 
 #define BOOST_SP_HAS_SYNC
 
@@ -54,10 +62,6 @@
 #undef BOOST_SP_HAS_SYNC
 #endif
 
-#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 )
-
-#define BOOST_SP_HAS_SYNC
-
 #endif
 
 #endif // #ifndef BOOST_SP_NO_SYNC