CTK/CMake/ctkMacroGenerateMocs.cmake

if (CTK_QT_VERSION VERSION_GREATER "4")
  # QT5_GENERATE_MOCS(inputfile1 [inputfile2 ...])
  macro(QT5_GENERATE_MOCS)
    foreach(file ${ARGN})
      set(moc_file moc_${file})
      QT5_GENERATE_MOC(${file} ${moc_file})

      get_filename_component(source_name ${file} NAME_WE)
      get_filename_component(source_ext ${file} EXT)
      if(${source_ext} MATCHES "\\.[hH]")
        if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${source_name}.cpp)
          set(source_ext .cpp)
        elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${source_name}.cxx)
          set(source_ext .cxx)
        endif()
      endif()
      set_property(SOURCE ${source_name}${source_ext} APPEND PROPERTY OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${moc_file})
    endforeach()
endmacro()

else()
  # QT4_GENERATE_MOCS(inputfile1 [inputfile2 ...])
  macro(QT4_GENERATE_MOCS)
    foreach(file ${ARGN})
      set(moc_file moc_${file})
      QT4_GENERATE_MOC(${file} ${moc_file})
      get_filename_component(source_name ${file} NAME_WE)
      get_filename_component(source_ext ${file} EXT)
      if(${source_ext} MATCHES "\\.[hH]")
        if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${source_name}.cpp)
          set(source_ext .cpp)
        elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${source_name}.cxx)
          set(source_ext .cxx)
        endif()
      endif()
      set_property(SOURCE ${source_name}${source_ext} APPEND PROPERTY OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${moc_file})
    endforeach()
  endmacro()
endif()