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-rw-r--r--boost/geometry/algorithms/detail/overlay/assign_parents.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/boost/geometry/algorithms/detail/overlay/assign_parents.hpp b/boost/geometry/algorithms/detail/overlay/assign_parents.hpp
index 178f3825d7..047eb4993e 100644
--- a/boost/geometry/algorithms/detail/overlay/assign_parents.hpp
+++ b/boost/geometry/algorithms/detail/overlay/assign_parents.hpp
@@ -9,6 +9,8 @@
#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_ASSIGN_PARENTS_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_ASSIGN_PARENTS_HPP
+#include <boost/range.hpp>
+
#include <boost/geometry/algorithms/area.hpp>
#include <boost/geometry/algorithms/envelope.hpp>
#include <boost/geometry/algorithms/expand.hpp>