Comment 49 for bug 1530229

Created attachment 53467
minor configure check tweak

This is basically what I was talking about.
Mind I haven't tested it, so I might have mismatched the braces, but it's more to show the concept (the message is badly worded too).

As I've said, instead of dieing, it could set a var here and report it at the end of the process, but again, in my experience, non-dieing *fails* are a mistake.