BIND 10 #1664: configure provide more help for building

[BIND 10 Development]

#1664: configure provide more help for building
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            Reporter:  jreed         |                        Owner:
                Type:  defect        |  UnAssigned
            Priority:  minor         |                       Status:  new
           Component:  build system  |                    Milestone:  New
           Sensitive:  0             |  Tasks
         Sub-Project:  Core          |                     Keywords:
Estimated Difficulty:  0             |              Defect Severity:  N/A
         Total Hours:  0             |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 Have configure have some output about "If having problem building ..."
 even in --help output.

 Maybe point to documentation, websites, list addresses.

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Ticket URL: <http://bind10.isc.org/ticket/1664>
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BIND 10 Development