function(add_format_sources)
  list(GET ARGN 0 _target)
  set(_sources ${ARGN})
  list(REMOVE_AT _sources 0)

  if(NOT TARGET format-sources)
    add_custom_target(format-sources)
  endif()

  find_program(UNCRUSTIFY_EXE NAMES uncrustify)
  if(UNCRUSTIFY_EXE)
    list(
      APPEND
      UNCRUSTIFY_OPTS
      -lCPP
      --replace
      --no-backup
      --mtime)
    if(EXISTS ${CMAKE_SOURCE_DIR}/cmake/etc/uncrustify/default.cfg)
      list(APPEND UNCRUSTIFY_OPTS -c ${CMAKE_SOURCE_DIR}/cmake/etc/uncrustify/default.cfg)
    endif()
    add_custom_target(format-sources-uncrustify-${_target} COMMAND ${UNCRUSTIFY_EXE} ${UNCRUSTIFY_OPTS}
                                                                   ${_sources})
    add_dependencies(format-sources format-sources-uncrustify-${_target})
  else()
    message(STATUS "CMLIB warning:")
    message(STATUS "  uncrustify executable is not found")
  endif()

  find_program(DOS2UNIX_EXE NAMES dos2unix)
  if(DOS2UNIX_EXE)
    list(APPEND DOS2UNIX_OPTS -k -r)
    add_custom_target(format-sources-dos2unix-${_target} COMMAND ${DOS2UNIX_EXE} ${DOS2UNIX_OPTS} ${_sources})
    add_dependencies(format-sources format-sources-dos2unix-${_target})
  else()
    message(STATUS "CMLIB warning:")
    message(STATUS "  dos2unix executable is not found")
  endif()
endfunction()