algorithms_buffer_linestring_geo
../libs/geometry/test/algorithms/buffer/buffer_linestring_geo.cpp:44:16: warning: unused variable 'thomas_skip' [-Wunused-variable]
1 warning generated.
algorithms_set_ops_areal_areal
../libs/geometry/test/algorithms/set_operations/set_ops_areal_areal.cpp:90:17: warning: explicitly assigning value of variable of type 'long double' to itself; did you mean to assign to member 'epsilon'? [-Wself-assign]
1 warning generated.
geometries_boost_polygon
../boost/polygon/detail/polygon_formation.hpp:390:16: warning: variable 'ops' set but not used [-Wunused-but-set-variable]
1 warning generated.