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-rw-r--r--boost/geometry/views/detail/normalized_view.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/boost/geometry/views/detail/normalized_view.hpp b/boost/geometry/views/detail/normalized_view.hpp
index d50ffe48c8..1e9cda9ce2 100644
--- a/boost/geometry/views/detail/normalized_view.hpp
+++ b/boost/geometry/views/detail/normalized_view.hpp
@@ -28,6 +28,7 @@
#include <boost/geometry/views/detail/range_type.hpp>
#include <boost/geometry/views/reversible_view.hpp>
#include <boost/geometry/views/closeable_view.hpp>
+#include <boost/geometry/util/order_as_direction.hpp>
namespace boost { namespace geometry {