diff -up libpqxx-2.6.8/include/pqxx/prepared_statement.hxx.visibility libpqxx-2.6.8/include/pqxx/prepared_statement.hxx
--- libpqxx-2.6.8/include/pqxx/prepared_statement.hxx.visibility 2006-08-29 10:32:55.000000000 -0500
+++ libpqxx-2.6.8/include/pqxx/prepared_statement.hxx 2009-04-09 13:37:38.000000000 -0500
@@ -138,7 +138,7 @@ private:
namespace internal
{
/// Internal representation of a prepared statement definition
-struct PQXX_PRIVATE prepared_def
+struct PQXX_LIBEXPORT prepared_def
{
/// Parameter definition
struct param