function(append_mongoose_compiler_flags dst)
  list(APPEND definitions "-DMG_ENABLE_HTTP_STREAMING_MULTIPART")
  list(APPEND definitions "-DMG_ENABLE_WEBSOCKET")
  list(APPEND definitions "-DMG_ENABLE_CALLBACK_USERDATA")
  list(APPEND definitions "-DMG_ENABLE_SSL")
  set(${dst} ${definitions} PARENT_SCOPE)
endfunction()