From 5425bedbb4285f1f9169ba7494f850ecf3b3cad5 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Tue, 25 May 2010 14:38:34 +0000
Subject: [PATCH] Add symbol visibility support to Intel and Sun compilers.

[SVN r62199]
---
 include/boost/config/compiler/intel.hpp     | 9 +++++++++
 include/boost/config/compiler/sunpro_cc.hpp | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/include/boost/config/compiler/intel.hpp b/include/boost/config/compiler/intel.hpp
index 1af092fe..e7bc95ba 100644
--- a/include/boost/config/compiler/intel.hpp
+++ b/include/boost/config/compiler/intel.hpp
@@ -171,6 +171,15 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 #  endif
 #endif
 
+//
+// Dynamic shared object (DSO) and dynamic-link library (DLL) support
+//
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+#  define BOOST_SYMBOL_EXPORT __attribute__((visibility("default")))
+#  define BOOST_SYMBOL_IMPORT
+#  define BOOST_SYMBOL_VISIBLE __attribute__((visibility("default")))
+#endif
+
 //
 // last known and checked version:
 #if (BOOST_INTEL_CXX_VERSION > 1110)
diff --git a/include/boost/config/compiler/sunpro_cc.hpp b/include/boost/config/compiler/sunpro_cc.hpp
index 8f8d7886..aca49fa0 100644
--- a/include/boost/config/compiler/sunpro_cc.hpp
+++ b/include/boost/config/compiler/sunpro_cc.hpp
@@ -77,6 +77,15 @@
 #      define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
 #    endif
 
+//
+// Dynamic shared object (DSO) and dynamic-link library (DLL) support
+//
+#if __SUNPRO_CC > 0x500
+#  define BOOST_SYMBOL_EXPORT __global
+#  define BOOST_SYMBOL_IMPORT __global
+#  define BOOST_SYMBOL_VISIBLE __global
+#endif
+
 
 
 //