From c15567ab01ae046458513f82cb713e821a35efb6 Mon Sep 17 00:00:00 2001
From: Emil Dotchevski <emil@revergestudios.com>
Date: Thu, 22 Dec 2011 21:27:10 +0000
Subject: [PATCH] Applying the Boost Exception part of the patch mentioned in
 #4594.

[SVN r76109]
---
 include/boost/exception/exception.hpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/boost/exception/exception.hpp b/include/boost/exception/exception.hpp
index 4d1a0ad..8967754 100644
--- a/include/boost/exception/exception.hpp
+++ b/include/boost/exception/exception.hpp
@@ -310,6 +310,11 @@ boost
     namespace
     exception_detail
         {
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility push (default)
+# endif
+#endif
         template <class T>
         struct
         error_info_injector:
@@ -326,6 +331,11 @@ boost
                 {
                 }
             };
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility pop
+# endif
+#endif
 
         struct large_size { char c[256]; };
         large_size dispatch_boost_exception( exception const * );
@@ -373,6 +383,11 @@ boost
     namespace
     exception_detail
         {
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility push (default)
+# endif
+#endif
         class
         clone_base
             {
@@ -386,6 +401,11 @@ boost
                 {
                 }
             };
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility pop
+# endif
+#endif
 
         inline
         void