cmake_minimum_required(VERSION 2.6)
project(Subsampling_examples)

if(CGAL_FOUND)
  if (NOT CGAL_VERSION VERSION_LESS 4.8.1)
    message(STATUS "CGAL version: ${CGAL_VERSION}.")

    if (EIGEN3_FOUND)

    add_executable(Subsampling_example_pick_n_random_points example_pick_n_random_points.cpp)
    add_executable(Subsampling_example_choose_n_farthest_points example_choose_n_farthest_points.cpp)
    add_executable(Subsampling_example_sparsify_point_set example_sparsify_point_set.cpp)
    target_link_libraries(Subsampling_example_sparsify_point_set ${CGAL_LIBRARY})
    else()
      message(WARNING "Eigen3 not found. Version 3.1.0 is required for Subsampling feature.")
    endif()
  else()
    message(WARNING "CGAL version: ${CGAL_VERSION} is too old to compile Subsampling examples. Version 4.8.1 is required.")
  endif ()
else()
  message(WARNING "CGAL not found. It is required for the Subsampling examples.")
endif()