Set the value of a variable at compile

I want to display the date when a SWF was compiled. Is there a way to set the value of a variable when a SWF is compiled?

I have this code for the context menu. But of course the date displayed is the date when the SWF is running, not when it was compiled.

var date:Date = new Date();

  var newContextMenu:ContextMenu = new ContextMenu();

  newContextMenu.customItems.push( new ContextMenuItem("Compiled Date = " + date.toString()) );

  contextMenu = newContextMenu;

Thanks!