added cgal-mesher

cmake_minimum_required(VERSION 3.5)

project(cgal-mesher LANGUAGES CXX)

add_executable(cgal-mesher cgal-mesher.cpp)

set(CMAKE_CXX_STANDARD 17)

set(CMAKE_CXX_STANDARD_REQUIRED ON)

# force colorized output in continuous integration

if( DEFINED ENV{CI_JOB_NAME} OR ${CMAKE_GENERATOR} STREQUAL "Ninja" )

   message(STATUS "Continuous integration or Ninja detected -- forcing compilers to produce colorized output.")

   if( CMAKE_CXX_COMPILER_ID STREQUAL "Clang" )

      set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics" )

   elseif( CMAKE_CXX_COMPILER_ID STREQUAL "GNU" )

      set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color" )

   endif()

endif()

# bundled packages

include_directories(libs/lyra/include)

cmake_policy(SET CMP0074 NEW)

find_package(CGAL REQUIRED)

target_link_libraries(cgal-mesher CGAL::CGAL)

# FIXME: parallel mesher segfaults (inside cgal)

option(CGAL_ACTIVATE_CONCURRENT_MESH_3 "Activate parallelism in Mesh_3" OFF)

# And add -DCGAL_CONCURRENT_MESH_3 if that option is ON

if( CGAL_ACTIVATE_CONCURRENT_MESH_3 )

    find_package(TBB REQUIRED)

    target_compile_definitions(cgal-mesher PRIVATE

        -DCGAL_CONCURRENT_MESH_3

    )

endif()