[MacPorts] #31991: opencv @2.3.1a cannot be built

[MacPorts]

#31991: opencv @2.3.1a cannot be built
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 Reporter:  johannes@…              |       Owner:  macports-tickets@…                   
     Type:  defect                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  ports                   |     Version:  2.0.3                                
 Keywords:                          |        Port:  opencv                               
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 Hi, when upgrading all the outdated ports, the upgrade of opencv fails
 because
 {{{
 Error: opencv 2.3.1a cannot be built while opencv 2.2.0 is installed and
 active.
 Error: Please deactivate opencv 2.2.0 first.
 }}}
 I attach the log for info.

 When I manually deactivate opencv and then install the latest version
 digikam won't start anymore. So there seems to be some inconsistency.

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Ticket URL: <https://trac.macports.org/ticket/31991>
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