attempted to eliminate visibility warnings when building as a static library with clang

fixed compile error on polymorphic_derived2

include/boost/archive/detail/iserializer.hpp

@@ -39,7 +39,6 @@ namespace std{
 #include <boost/mpl/identity.hpp>
 #include <boost/mpl/greater_equal.hpp>
 #include <boost/mpl/equal_to.hpp>
-#include <boost/mpl/bool.hpp>
 #include <boost/core/no_exceptions_support.hpp>
 
 #ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO   

include/boost/archive/detail/oserializer.hpp

@@ -33,6 +33,7 @@
 #include <boost/mpl/equal_to.hpp>
 #include <boost/mpl/greater_equal.hpp>
 #include <boost/mpl/identity.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 
 #ifndef BOOST_SERIALIZATION_DEFAULT_TYPE_INFO   
     #include <boost/serialization/extended_type_info_typeid.hpp>   

include/boost/archive/impl/xml_oarchive_impl.ipp

@@ -114,6 +114,21 @@ xml_oarchive_impl<Archive>::xml_oarchive_impl(
         this->init();
 }
 
+template<class Archive>
+BOOST_ARCHIVE_DECL void
+xml_oarchive_impl<Archive>::save_binary(const void *address, std::size_t count){
+    this->end_preamble();
+    #if ! defined(__MWERKS__)
+    this->basic_text_oprimitive<std::ostream>::save_binary(
+    #else
+    this->basic_text_oprimitive::save_binary(
+    #endif
+        address, 
+        count
+    );
+    this->indent_next = true;
+}
+
 template<class Archive>
 BOOST_ARCHIVE_DECL
 xml_oarchive_impl<Archive>::~xml_oarchive_impl(){

include/boost/archive/iterators/dataflow.hpp

@@ -20,7 +20,6 @@
 
 #include <boost/mpl/eval_if.hpp>
 #include <boost/mpl/if.hpp>
-#include <boost/mpl/bool.hpp>
 #include <boost/mpl/apply.hpp>
 #include <boost/mpl/plus.hpp>
 #include <boost/mpl/int.hpp>

include/boost/archive/xml_oarchive.hpp

@@ -67,9 +67,6 @@ protected:
         friend class save_access;
     #endif
 #endif
-    //void end_preamble(){
-    //    basic_xml_oarchive<Archive>::end_preamble();
-    //}
     template<class T>
     void save(const T & t){
         basic_text_oprimitive<std::ostream>::save(t);
@@ -99,18 +96,7 @@ protected:
     BOOST_ARCHIVE_DECL 
     ~xml_oarchive_impl();
 public:
-    void save_binary(const void *address, std::size_t count){
-        this->end_preamble();
-        #if ! defined(__MWERKS__)
-        this->basic_text_oprimitive<std::ostream>::save_binary(
-        #else
-        this->basic_text_oprimitive::save_binary(
-        #endif
-            address, 
-            count
-        );
-        this->indent_next = true;
-    }
+    void save_binary(const void *address, std::size_t count);
 };
 
 // we use the following because we can't use

include/boost/serialization/array.hpp

@@ -22,7 +22,7 @@ namespace std{
 #include <boost/serialization/collection_size_type.hpp>
 #include <boost/mpl/always.hpp>
 #include <boost/mpl/apply.hpp>
-#include <boost/mpl/bool.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 #include <boost/type_traits/remove_const.hpp>
 #include <boost/type_traits/is_integral.hpp>
 #include <boost/static_assert.hpp>

include/boost/serialization/assume_abstract.hpp

@@ -19,6 +19,7 @@
 // this is useful for compilers which don't support the boost::is_abstract
 
 #include <boost/type_traits/is_abstract.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 
 #ifndef BOOST_NO_IS_ABSTRACT
 

include/boost/serialization/base_object.hpp

@@ -25,7 +25,6 @@
 
 #include <boost/mpl/eval_if.hpp>
 #include <boost/mpl/int.hpp>
-#include <boost/mpl/bool.hpp>
 #include <boost/mpl/identity.hpp>
 
 #include <boost/type_traits/is_base_and_derived.hpp>

include/boost/serialization/export.hpp

@@ -32,7 +32,7 @@
 #include <boost/mpl/assert.hpp>
 #include <boost/mpl/and.hpp>
 #include <boost/mpl/not.hpp>
-#include <boost/mpl/bool.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 
 #include <boost/serialization/extended_type_info.hpp> // for guid_defined only
 #include <boost/serialization/static_warning.hpp>

include/boost/serialization/is_bitwise_serializable.hpp

@@ -21,7 +21,7 @@
 # pragma once
 #endif
 
-#include <boost/mpl/bool.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 #include <boost/type_traits/is_arithmetic.hpp>
 
 namespace boost {

include/boost/serialization/static_warning.hpp

@@ -66,6 +66,7 @@
 #include <boost/mpl/bool.hpp>
 #include <boost/mpl/print.hpp>
 #include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 #include <boost/static_assert.hpp>
 
 namespace boost {

include/boost/serialization/traits.hpp

@@ -28,7 +28,7 @@
 #include <boost/static_assert.hpp>
 
 #include <boost/mpl/int.hpp>
-#include <boost/mpl/bool.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 #include <boost/serialization/level_enum.hpp>
 #include <boost/serialization/tracking_enum.hpp>
 

include/boost/serialization/vector.hpp

@@ -34,7 +34,7 @@
 #include <boost/serialization/array.hpp>
 #include <boost/serialization/detail/get_data.hpp>
 #include <boost/serialization/detail/stack_constructor.hpp>
-#include <boost/mpl/bool.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 #include <boost/mpl/if.hpp>
 
 // default is being compatible with version 1.34.1 files, not 1.35 files

include/boost/serialization/wrapper.hpp

@@ -9,7 +9,7 @@
 #include <boost/serialization/traits.hpp>
 #include <boost/type_traits/is_base_and_derived.hpp>
 #include <boost/mpl/eval_if.hpp>
-#include <boost/mpl/bool.hpp>
+#include <boost/mpl/bool_fwd.hpp>
 
 namespace boost { namespace serialization {