[MacPorts] #20199: qt4-mac fails to build when conflicting ports are active

[MacPorts]

#20199: qt4-mac fails to build when conflicting ports are active
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 Reporter:  jwhowse4@…            |       Owner:  erickt@…           
     Type:  defect                |      Status:  new                
 Priority:  Normal                |   Milestone:                     
Component:  ports                 |     Version:  1.7.1              
 Keywords:                        |        Port:  qt4-mac            
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Comment(by andre.david@…):

 I was having trouble after installing `memcached` (which depends on
 `libevent`) and just want to confirm that
 {{{
 sudo port deactivate libevent && sudo port upgrade qt4-mac && sudo port
 activate libevent
 }}}
 worked for me.

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Ticket URL: <http://trac.macports.org/ticket/20199#comment:72>
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