From 9edaeb4998271b0d055bef838228805351b990c2 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Tue, 31 Aug 2010 12:19:53 +0000
Subject: [PATCH] Suppress GCC warnings from this header when compiled with
 -pedantic and certain GCC-4.x versions (probably 4.5.0 specific).

[SVN r65146]
---
 include/boost/config/suffix.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/boost/config/suffix.hpp b/include/boost/config/suffix.hpp
index 3408d225..722758f9 100644
--- a/include/boost/config/suffix.hpp
+++ b/include/boost/config/suffix.hpp
@@ -25,6 +25,14 @@
 #ifndef BOOST_CONFIG_SUFFIX_HPP
 #define BOOST_CONFIG_SUFFIX_HPP
 
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+//
+// Some GCC-4.x versions issue warnings even when __extension__ is used,
+// so use this as a workaround:
+//
+#pragma GCC system_header
+#endif
+
 //
 // ensure that visibility macros are always defined, thus symplifying use
 //