cmake_minimum_required(VERSION 3.11)
project(PATCHWORK VERSION 1.0.0)

set(CMAKE_CXX_STANDARD 14)
set(PYTHON_EXECUTABLE python3)
set(CMAKE_BUILD_TYPE Release)


set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${Open3D_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Open3D_CXX_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${Open3D_EXE_LINKER_FLAGS}")


if(CMAKE_VERSION VERSION_LESS "3.15")
  include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/ListPrepend.cmake")
  list_prepend(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
else()
  list(PREPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
endif()

include(FetchContent)
include(pybind11)

find_package(Eigen3 REQUIRED QUIET)
find_package(Open3D HINTS ${CMAKE_INSTALL_PREFIX}/lib/CMake)
list(APPEND Open3D_LIBRARIES dl)

message(STATUS "Found Open3D ${Open3D_VERSION}")

link_directories(${Open3D_LIBRARY_DIRS})

add_subdirectory(patchworkpp)
add_subdirectory(python_wrapper)

add_executable(demo_visualize examples/cpp/demo_visualize.cpp)
target_link_libraries(demo_visualize PRIVATE PATCHWORK::patchworkpp ${Open3D_LIBRARIES})
target_include_directories(demo_visualize PUBLIC ${Open3D_INCLUDE_DIRS})
set_target_properties(demo_visualize PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/examples/cpp")

add_executable(demo_sequential examples/cpp/demo_sequential.cpp)
target_link_libraries(demo_sequential PRIVATE PATCHWORK::patchworkpp ${Open3D_LIBRARIES})
target_include_directories(demo_sequential PUBLIC ${Open3D_INCLUDE_DIRS})
set_target_properties(demo_sequential PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/examples/cpp")