cmake_minimum_required(VERSION 3.4)

project(examples)

include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

#set(glfw3_DIR "/opt/glfw/lib/cmake/glfw3")
find_package(glfw3 REQUIRED)
find_package(OpenGL REQUIRED)
find_package(GLEW REQUIRED)

include_directories(${OPENGL_INCLUDE_DIR})
include_directories(${GLEW_INCLUDE_DIR})
include_directories(${GLFW_INCLUDE_DIR})

if(CMAKE_HOST_SYSTEM MATCHES Linux)
  message("---> ${CMAKE_HOST_SYSTEM}")
  set(libs ${OPENGL_LIBRARIES} ${GLEW_LIBRARIES} glfw m)
endif()

if(CMAKE_HOST_SYSTEM MATCHES Darwin)
  message("---> ${CMAKE_HOST_SYSTEM}")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -framework OpenGL")
  set(libs ${OPENGL_LIBRARIES} ${GLEW_LIBRARIES} glfw m)
endif()

set(lib ${VTK_LIBRARIES} ${ITK_LIBRARIES})

set(EXAMPLES_SRCS
  demo1
)

foreach(name ${EXAMPLES_SRCS})
  add_executable(${name} ${name}.cpp)
  target_link_libraries(${name} ${VTK_LIBRARIES} ${libs})
  #target_link_libraries(${name} ${VTK_LIBRARIES})
endforeach()