From daf20da06477218ff318d41d5ab037ebea741fe8 Mon Sep 17 00:00:00 2001
From: Robert Ramey <ramey@rrsd.com>
Date: Mon, 23 Oct 2017 10:48:36 -0700
Subject: [PATCH] address boost serialization test matrix errors export of
 test_polymorphic_a cland/gcc earlier versions don't find private virtual
 function implementations

---
 include/boost/archive/detail/common_iarchive.hpp | 1 +
 include/boost/archive/detail/common_oarchive.hpp | 1 +
 test/test_polymorphic_A.cpp                      | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/boost/archive/detail/common_iarchive.hpp b/include/boost/archive/detail/common_iarchive.hpp
index 82304f1e..8d8a1d46 100644
--- a/include/boost/archive/detail/common_iarchive.hpp
+++ b/include/boost/archive/detail/common_iarchive.hpp
@@ -40,6 +40,7 @@ class BOOST_SYMBOL_VISIBLE common_iarchive :
     public interface_iarchive<Archive>
 {
     friend class interface_iarchive<Archive>;
+    friend class basic_iarchive;
 private:
     virtual void vload(version_type & t){
         * this->This() >> t; 
diff --git a/include/boost/archive/detail/common_oarchive.hpp b/include/boost/archive/detail/common_oarchive.hpp
index ee42bbe5..f7428637 100644
--- a/include/boost/archive/detail/common_oarchive.hpp
+++ b/include/boost/archive/detail/common_oarchive.hpp
@@ -38,6 +38,7 @@ class BOOST_SYMBOL_VISIBLE common_oarchive :
     public interface_oarchive<Archive>
 {
     friend class interface_oarchive<Archive>;
+    friend class basic_oarchive;
 private:
     virtual void vsave(const version_type t){
         * this->This() << t;
diff --git a/test/test_polymorphic_A.cpp b/test/test_polymorphic_A.cpp
index a24bd296..24e460ef 100644
--- a/test/test_polymorphic_A.cpp
+++ b/test/test_polymorphic_A.cpp
@@ -9,7 +9,7 @@
 #include "test_polymorphic_A.hpp"
 #include <boost/serialization/nvp.hpp>
 
-#define A_IMPORT
+#define A_EXPORT
 #include "A.hpp"
 #include "A.ipp"