test: Remove extensions dependency from tests

test/robustness/overlay/linear_areal/recursive_polygons_linear_areal.cpp

@@ -28,7 +28,7 @@
 #include <boost/geometry/algorithms/envelope.hpp>
 #include <boost/geometry/algorithms/within.hpp>
 
-#include <boost/geometry/extensions/algorithms/midpoints.hpp>
+//#include <boost/geometry/extensions/algorithms/midpoints.hpp>
 
 #include <boost/geometry/geometries/geometries.hpp>
 #include <boost/geometry/geometries/point_xy.hpp>
@@ -213,14 +213,9 @@ public :
         bg::convert(segment, seg2);
 
         bg::strategy::intersection::cartesian_segments<> strategy;
-        bg::policies::relate::segments_intersection_points
-            <
-                bg::segment_intersection_points<point_t>
-            > policy;
-
         bg::detail::segment_as_subrange<segment_t> subrange1(seg1);
         bg::detail::segment_as_subrange<segment_t> subrange2(seg2);
-        bg::segment_intersection_points<point_t> is 
+        bg::segment_intersection_points<point_t> is
             = strategy.apply(subrange1, subrange2, policy_t());
 
         if (is.count == 2)
@@ -307,6 +302,7 @@ bool verify(std::string const& caseid, MultiPolygon const& mp, Linestring const&
     border_check<MultiPolygon> bc(mp, result);
     bg::for_each_segment(difference, bc);
 
+    /* commented out since it needs extensions, tests are passing without that part
     // 3) check also the mid-points from the difference to remove false positives
     for (Linestring const& d : difference)
     {
@@ -315,11 +311,11 @@ bool verify(std::string const& caseid, MultiPolygon const& mp, Linestring const&
         outside_check<MultiPolygon> ocm(mp, result);
         bg::for_each_point(difference_midpoints, ocm);
     }
-
+    */
     if (settings.verbose)
     {
-        std::cout << " [" << bg::area(mp) << " " << bg::length(ls) << 
-            " " << bg::length(intersection) << 
+        std::cout << " [" << bg::area(mp) << " " << bg::length(ls) <<
+            " " << bg::length(intersection) <<
             " " << bg::length(difference) << "]";
     }