file(GLOB EXAMPLE_LIST RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *)
foreach(EXAMPLE ${EXAMPLE_LIST})
    if(IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${EXAMPLE})
        if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${EXAMPLE}/CMakeLists.txt)
            add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${EXAMPLE})
        endif()
    endif()
endforeach()