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-rw-r--r--boost/archive/binary_iarchive_impl.hpp20
1 files changed, 16 insertions, 4 deletions
diff --git a/boost/archive/binary_iarchive_impl.hpp b/boost/archive/binary_iarchive_impl.hpp
index 32c476d645..a9afe61688 100644
--- a/boost/archive/binary_iarchive_impl.hpp
+++ b/boost/archive/binary_iarchive_impl.hpp
@@ -2,7 +2,7 @@
#define BOOST_ARCHIVE_BINARY_IARCHIVE_IMPL_HPP
// MS compatible compilers support #pragma once
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
# pragma once
#endif
@@ -29,6 +29,10 @@
namespace boost {
namespace archive {
+namespace detail {
+ template<class Archive> class interface_iarchive;
+} // namespace detail
+
template<class Archive, class Elem, class Tr>
class binary_iarchive_impl :
public basic_binary_iprimitive<Archive, Elem, Tr>,
@@ -37,10 +41,18 @@ class binary_iarchive_impl :
#ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
- friend class detail::interface_iarchive<Archive>;
- friend class basic_binary_iarchive<Archive>;
- friend class load_access;
protected:
+ #if BOOST_WORKAROUND(BOOST_MSVC, < 1500)
+ // for some inexplicable reason insertion of "class" generates compile erro
+ // on msvc 7.1
+ friend detail::interface_iarchive<Archive>;
+ friend basic_binary_iarchive<Archive>;
+ friend load_access;
+ #else
+ friend class detail::interface_iarchive<Archive>;
+ friend class basic_binary_iarchive<Archive>;
+ friend class load_access;
+ #endif
#endif
// note: the following should not needed - but one compiler (vc 7.1)
// fails to compile one test (test_shared_ptr) without it !!!