boostorg · Becheler · Sep 1, 2026
@@ -4,8 +4,6 @@
 # (See accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt)
 
-import mpi ;
-
 constant boost_dependencies_private :
     /boost/regex//boost_regex
     ;

@@ -24,11 +24,8 @@
 #include <boost/graph/overloading.hpp>
 #include <boost/graph/graph_concepts.hpp>
 #include <boost/graph/two_bit_color_map.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/concept/assert.hpp>
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/concepts.hpp>)
-
 namespace boost
 {
 
@@ -255,15 +252,6 @@ namespace detail
             vis, color);
     }
 
-#ifdef BOOST_GRAPH_USE_MPI
-    template < class DistributedGraph, class ColorMap, class BFSVisitor,
-        class P, class T, class R >
-    void bfs_helper(DistributedGraph& g,
-        typename graph_traits< DistributedGraph >::vertex_descriptor s,
-        ColorMap color, BFSVisitor vis,
-        const bgl_named_params< P, T, R >& params, boost::mpl::true_);
-#endif // BOOST_GRAPH_USE_MPI
-
     //-------------------------------------------------------------------------
     // Choose between default color and color parameters. Using
     // function dispatching so that we don't require vertex index if
@@ -393,6 +381,4 @@ namespace graph
 
 } // namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/breadth_first_search.hpp>)
-
 #endif // BOOST_GRAPH_BREADTH_FIRST_SEARCH_HPP
@@ -16,7 +16,6 @@
 #include <boost/graph/properties.hpp>
 #include <boost/graph/graph_concepts.hpp>
 #include <boost/graph/overloading.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/static_assert.hpp>
 #include <boost/concept/assert.hpp>
 
@@ -109,6 +108,4 @@ connected_components(const Graph& g,
 
 } // namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/connected_components.hpp>)
-
 #endif // BOOST_GRAPH_CONNECTED_COMPONENTS_HPP
@@ -19,7 +19,6 @@
 #include <boost/graph/properties.hpp>
 #include <boost/graph/visitors.hpp>
 #include <boost/graph/named_function_params.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/ref.hpp>
 #include <boost/optional.hpp>
 #include <boost/parameter.hpp>
@@ -421,6 +420,4 @@ void depth_first_visit(const IncidenceGraph& g,
 }
 } // namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/depth_first_search.hpp>)
-
 #endif
@@ -26,7 +26,6 @@
 #include <memory>
 #include <boost/graph/detail/d_ary_heap.hpp>
 #include <boost/graph/two_bit_color_map.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/property_map/property_map.hpp>
 #include <boost/property_map/vector_property_map.hpp>
 #include <boost/type_traits.hpp>
@@ -575,6 +574,4 @@ inline void dijkstra_shortest_paths(const VertexListGraph& g,
 
 } // namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/dijkstra_shortest_paths.hpp>)
-
 #endif // BOOST_GRAPH_DIJKSTRA_HPP
@@ -14,7 +14,6 @@
 #include <boost/graph/named_function_params.hpp>
 #include <boost/graph/iteration_macros.hpp>
 #include <boost/graph/topology.hpp> // For topology concepts
-#include <boost/graph/detail/mpi_include.hpp>
 #include <vector>
 #include <list>
 #include <algorithm> // for std::min and std::max
@@ -455,6 +454,4 @@ void fruchterman_reingold_force_directed_layout(
 
 } // end namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/fruchterman_reingold.hpp>)
-
 #endif // BOOST_GRAPH_FRUCHTERMAN_REINGOLD_FORCE_DIRECTED_LAYOUT_HPP
@@ -28,7 +28,6 @@
 #include <boost/graph/dll_import_export.hpp>
 #include <boost/graph/compressed_sparse_row_graph.hpp>
 #include <boost/graph/iteration_macros.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/config/pragma_message.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/static_assert.hpp>
@@ -965,6 +964,4 @@ bool read_graphviz(std::istream& in, MutableGraph& graph,
 
 } // namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/graphviz.hpp>)
-
 #endif // BOOST_GRAPHVIZ_HPP
@@ -16,7 +16,6 @@
 
 #include <boost/property_map/property_map.hpp>
 #include <boost/graph/properties.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <memory>
 #include <boost/config.hpp>
 #include <boost/assert.hpp>
@@ -101,6 +100,4 @@ inline one_bit_color_map< IndexMap > make_one_bit_color_map(
 
 } // end namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/one_bit_color_map.hpp>)
-
 #endif // BOOST_ONE_BIT_COLOR_MAP_HPP
@@ -16,7 +16,6 @@
 #include <boost/graph/properties.hpp>
 #include <boost/graph/iteration_macros.hpp>
 #include <boost/graph/overloading.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <vector>
 
 namespace boost
@@ -174,6 +173,4 @@ namespace graph
 }
 } // end namespace boost::graph
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/page_rank.hpp>)
-
 #endif // BOOST_GRAPH_PAGE_RANK_HPP
@@ -20,7 +20,6 @@
 #include <boost/random/uniform_int.hpp>
 #include <boost/random/uniform_01.hpp>
 #include <boost/graph/graph_traits.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/type_traits/is_base_and_derived.hpp>
 #include <boost/type_traits/is_same.hpp>
 // #include <boost/test/floating_point_comparison.hpp>
@@ -658,6 +657,4 @@ class sorted_unique_rmat_iterator
 
 } // end namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/rmat_graph_generator.hpp>)
-
 #endif // BOOST_GRAPH_RMAT_GENERATOR_HPP
@@ -18,7 +18,6 @@
 #include <boost/type_traits/conversion_traits.hpp>
 #include <boost/static_assert.hpp>
 #include <boost/graph/overloading.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <boost/concept/assert.hpp>
 
 namespace boost
@@ -342,6 +341,4 @@ kosaraju_strong_components(
 
 } // namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/strong_components.hpp>)
-
 #endif // BOOST_GRAPH_STRONG_COMPONENTS_HPP
@@ -15,7 +15,6 @@
 
 #include <boost/property_map/property_map.hpp>
 #include <boost/graph/properties.hpp>
-#include <boost/graph/detail/mpi_include.hpp>
 #include <memory>
 #include <boost/config.hpp>
 #include <boost/assert.hpp>
@@ -105,6 +104,4 @@ inline two_bit_color_map< IndexMap > make_two_bit_color_map(
 
 } // end namespace boost
 
-#include BOOST_GRAPH_MPI_INCLUDE(<boost/graph/distributed/two_bit_color_map.hpp>)
-
 #endif // BOOST_TWO_BIT_COLOR_MAP_HPP
@@ -9,14 +9,6 @@
 #include <boost/pending/property.hpp>
 #include <boost/core/nvp.hpp>
 
-// Only the Parallel BGL (MPI) specializations below need Boost.Serialization,
-// so keep its header out of the default build.
-#ifdef BOOST_GRAPH_USE_MPI
-#define BOOST_GRAPH_BLOCK_BOOSTDEP_HEADER <boost/serialization/is_bitwise_serializable.hpp>
-#include BOOST_GRAPH_BLOCK_BOOSTDEP_HEADER
-#undef BOOST_GRAPH_BLOCK_BOOSTDEP_HEADER
-#endif
-
 namespace boost
 {
 template < class Archive >
@@ -32,74 +24,6 @@ void serialize(
     ar& boost::make_nvp("property_base", prop.m_base);
 }
 
-#ifdef BOOST_GRAPH_USE_MPI
-
-// Setting the serialization properties of boost::property<> and
-// boost::no_property to is_bitwise_serializable, object_serializable,
-// track_never only when BOOST_GRAPH_USE_MPI is defined is dubious.
-//
-// This changes the serialization format of these classes, and hence
-// of boost::adjacency_list, depending on whether BOOST_GRAPH_USE_MPI
-// is defined.
-//
-// These serialization properties should probably be set in either case.
-//
-// Unfortunately, doing that now will change the serialization format
-// of boost::adjacency_list in the non-MPI case, and could potentially
-// break software that reads files serialized with an older release.
-
-namespace mpi
-{
-
-    // forward declaration, to avoid including mpi
-    template < typename T > struct is_mpi_datatype;
-
-    template < typename Tag, typename T, typename Base >
-    struct is_mpi_datatype< property< Tag, T, Base > >
-    : mpl::and_< is_mpi_datatype< T >, is_mpi_datatype< Base > >
-    {
-    };
-}
-
-namespace serialization
-{
-    template < typename Tag, typename T, typename Base >
-    struct is_bitwise_serializable< property< Tag, T, Base > >
-    : mpl::and_< is_bitwise_serializable< T >, is_bitwise_serializable< Base > >
-    {
-    };
-
-    template < typename Tag, typename T, typename Base >
-    struct implementation_level< property< Tag, T, Base > >
-    : mpl::int_< object_serializable >
-    {
-    };
-
-    template < typename Tag, typename T, typename Base >
-    struct tracking_level< property< Tag, T, Base > > : mpl::int_< track_never >
-    {
-    };
-
-}
-#endif // BOOST_GRAPH_USE_MPI
-
 } // end namespace boost
 
-#ifdef BOOST_GRAPH_USE_MPI
-namespace boost
-{
-namespace mpi
-{
-    template <> struct is_mpi_datatype< boost::no_property > : mpl::true_
-    {
-    };
-
-}
-} // end namespace boost::mpi
-
-BOOST_IS_BITWISE_SERIALIZABLE(boost::no_property)
-BOOST_CLASS_IMPLEMENTATION(boost::no_property, object_serializable)
-BOOST_CLASS_TRACKING(boost::no_property, track_never)
-#endif // BOOST_GRAPH_USE_MPI
-
 #endif // BOOST_PROPERTY_SERIALIZE_HPP