From 24fb09cb3ee865da0ce9bd2511617f84fdb223af Mon Sep 17 00:00:00 2001
From: Conrad Poelman <cpboost@stellarscience.com>
Date: Mon, 30 Apr 2018 16:26:21 -0400
Subject: [PATCH] Eliminate dllexport compile and link warnings per
 https://svn.boost.org/trac10/ticket/13286#trac-add-comment .

---
 boost/archive/codecvt_null.hpp          | 4 ++--
 boost/serialization/singleton.hpp       | 2 +-
 libs/serialization/src/codecvt_null.cpp | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/boost/archive/codecvt_null.hpp b/boost/archive/codecvt_null.hpp
index 7bce2b9b3..78b10cf4d 100644
--- a/boost/archive/codecvt_null.hpp
+++ b/boost/archive/codecvt_null.hpp
@@ -65,7 +65,7 @@ public:
 template<>
 class BOOST_SYMBOL_VISIBLE codecvt_null<wchar_t> : public std::codecvt<wchar_t, char, std::mbstate_t>
 {
-    virtual BOOST_WARCHIVE_DECL BOOST_DLLEXPORT std::codecvt_base::result
+    virtual BOOST_DLLEXPORT std::codecvt_base::result
     do_out(
         std::mbstate_t & state,
         const wchar_t * first1,
@@ -75,7 +75,7 @@ class BOOST_SYMBOL_VISIBLE codecvt_null<wchar_t> : public std::codecvt<wchar_t,
         char * last2,
         char * & next2
     ) const BOOST_USED;
-    virtual BOOST_WARCHIVE_DECL BOOST_DLLEXPORT std::codecvt_base::result
+    virtual BOOST_DLLEXPORT std::codecvt_base::result
     do_in(
         std::mbstate_t & state,
         const char * first1,
diff --git a/boost/serialization/singleton.hpp b/boost/serialization/singleton.hpp
index b50afedbb..2481c76e6 100644
--- a/boost/serialization/singleton.hpp
+++ b/boost/serialization/singleton.hpp
@@ -91,7 +91,7 @@ class BOOST_SYMBOL_VISIBLE singleton_module :
     public boost::noncopyable
 {
 private:
-    BOOST_SERIALIZATION_DECL BOOST_DLLEXPORT static bool & get_lock() BOOST_USED;
+    BOOST_DLLEXPORT static bool & get_lock() BOOST_USED;
 public:
     BOOST_DLLEXPORT static void lock(){
         get_lock() = true;
diff --git a/libs/serialization/src/codecvt_null.cpp b/libs/serialization/src/codecvt_null.cpp
index 5506348e1..642b455bf 100644
--- a/libs/serialization/src/codecvt_null.cpp
+++ b/libs/serialization/src/codecvt_null.cpp
@@ -18,7 +18,7 @@
 namespace boost {
 namespace archive {
 
-BOOST_WARCHIVE_DECL BOOST_DLLEXPORT std::codecvt_base::result
+BOOST_DLLEXPORT std::codecvt_base::result
 codecvt_null<wchar_t>::do_out(
     std::mbstate_t & /*state*/,
     const wchar_t * first1, 
@@ -46,7 +46,7 @@ codecvt_null<wchar_t>::do_out(
     return std::codecvt_base::ok;
 }
 
-BOOST_WARCHIVE_DECL BOOST_DLLEXPORT std::codecvt_base::result
+BOOST_DLLEXPORT std::codecvt_base::result
 codecvt_null<wchar_t>::do_in(
     std::mbstate_t & /*state*/,
     const char * first1, 
-- 
2.15.0.windows.1