Explicitly include <ArborX_DetailsUtils.hpp> from <ArborX.hpp> (#…

…1013)

* Explicitly include <ArborX_DetailsUtils.hpp> from <ArborX.hpp>

* Update the comment

---------

Co-authored-by: Andrey Prokopenko <prokopenkoav@ornl.gov>

src/ArborX.hpp

@@ -24,5 +24,10 @@
 #include <ArborX_Point.hpp>
 #include <ArborX_Predicates.hpp>
 #include <ArborX_Sphere.hpp>
+// FIXME: we include ArborX_DetailsUtils.hpp only for backward compatibility for
+// users using deprecated functions in ArborX namespace (min, max,
+// adjacentDifference, ...). This header should be removed when we remove those
+// functions.
+#include <ArborX_DetailsUtils.hpp>
 
 #endif