- #ifndef BOOST_GRAPH_DETAIL_MPI_INCLUDE_HPP_INCLUDED
- #define BOOST_GRAPH_DETAIL_MPI_INCLUDE_HPP_INCLUDED
- #if defined BOOST_GRAPH_USE_MPI
- #define BOOST_GRAPH_MPI_INCLUDE(x) x
- #else
- #define BOOST_GRAPH_MPI_INCLUDE(x) <boost/graph/detail/empty_header.hpp>
- #endif
- #endif
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