cmake_minimum_required(VERSION 3.1...3.15)
project(Triangulation_3_Examples)

if(NOT POLICY CMP0070 AND POLICY CMP0053)
  # Only set CMP0053 to OLD with CMake<3.10, otherwise there is a warning.
  cmake_policy(SET CMP0053 OLD)
endif()

if(POLICY CMP0071)
  cmake_policy(SET CMP0071 NEW)
endif()

find_package(CGAL REQUIRED OPTIONAL_COMPONENTS Qt5)

if(CGAL_Qt5_FOUND)
  add_definitions(-DCGAL_USE_BASIC_VIEWER -DQT_NO_KEYWORDS)
endif()

include_directories(BEFORE "../../include")

create_single_source_cgal_program("for_loop.cpp")
create_single_source_cgal_program("adding_handles_3.cpp")
create_single_source_cgal_program("color.cpp")
create_single_source_cgal_program("copy_triangulation_3.cpp")
create_single_source_cgal_program("fast_location_3.cpp")
create_single_source_cgal_program("find_conflicts_3.cpp")
create_single_source_cgal_program("info_insert_with_pair_iterator.cpp")
create_single_source_cgal_program("info_insert_with_pair_iterator_regular.cpp")
create_single_source_cgal_program("info_insert_with_transform_iterator.cpp")
create_single_source_cgal_program("info_insert_with_zip_iterator.cpp")
create_single_source_cgal_program("regular_3.cpp")
create_single_source_cgal_program( "segment_cell_traverser_3.cpp" )
create_single_source_cgal_program( "segment_simplex_traverser_3.cpp" )
create_single_source_cgal_program("regular_with_info_3.cpp")
create_single_source_cgal_program("simple_triangulation_3.cpp")
create_single_source_cgal_program("simplex.cpp")

create_single_source_cgal_program("draw_triangulation_3.cpp")
if(CGAL_Qt5_FOUND)
  target_link_libraries(draw_triangulation_3 PUBLIC CGAL::CGAL_Qt5)
endif()

find_package(TBB QUIET)
include(CGAL_TBB_support)

if(TARGET CGAL::TBB_support)
  create_single_source_cgal_program(
    "parallel_insertion_and_removal_in_regular_3.cpp")
  create_single_source_cgal_program("parallel_insertion_in_delaunay_3.cpp")
  create_single_source_cgal_program("sequential_parallel.cpp")
  target_link_libraries(parallel_insertion_and_removal_in_regular_3
                        PUBLIC CGAL::TBB_support)
  target_link_libraries(parallel_insertion_in_delaunay_3
                        PUBLIC CGAL::TBB_support)
  target_link_libraries(sequential_parallel PUBLIC CGAL::TBB_support)
else()
  message(STATUS "NOTICE: a few examples require TBB and will not be compiled.")
endif()