The general approach from this article by merlyn can be applied here i think (from this thread: CGI::Application timeout). Basically your building needs to be forked off, and then your "Please wait" screen refreshes to a handler that checks if the process is done, and goes there when it is done. It can also check progress (maybe check filesize or whatever depending on what the build does).

In reply to Re: Mason: Please Wait While Generating by davidrw
in thread Mason: Please Wait While Generating by water

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