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-rw-r--r--boost/geometry/strategies/cartesian/envelope_segment.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/boost/geometry/strategies/cartesian/envelope_segment.hpp b/boost/geometry/strategies/cartesian/envelope_segment.hpp
index 0ddbf12a41..a591996b84 100644
--- a/boost/geometry/strategies/cartesian/envelope_segment.hpp
+++ b/boost/geometry/strategies/cartesian/envelope_segment.hpp
@@ -14,6 +14,7 @@
#include <boost/geometry/algorithms/detail/envelope/segment.hpp>
#include <boost/geometry/core/tags.hpp>
+#include <boost/geometry/strategies/envelope.hpp>
#include <boost/geometry/util/select_calculation_type.hpp>