[Varnish] #1570: varnish should handle unused backends and subroutines

[Varnish]

#1570: varnish should handle unused backends and subroutines
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 Reporter:  zviratko  |       Type:  enhancement
   Status:  new       |   Priority:  normal
Milestone:            |  Component:  varnishd
  Version:  unknown   |   Severity:  normal
 Keywords:            |
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 If backend is defined but unused or if sub is defined but unused,
 compilation error occurs

 I think this should be only a warning because it is a huge PITA for
 complex configurations when enabling/disabling features

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1570>
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