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-rw-r--r--boost/serialization/stack.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/boost/serialization/stack.hpp b/boost/serialization/stack.hpp
index aea3ba8e00..96f90fe876 100644
--- a/boost/serialization/stack.hpp
+++ b/boost/serialization/stack.hpp
@@ -18,6 +18,8 @@
#include <stack>
#include <boost/config.hpp>
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/identity.hpp>
// function specializations must be defined in the appropriate
// namespace - boost::serialization