[MacPorts] #25476: qt4-mac fails when 10.4 or 10.5 SDK not installed

[MacPorts]

#25476: qt4-mac fails when 10.4 or 10.5 SDK not installed
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 Reporter:  michaelld@…             |       Owner:  macports-tickets@…                   
     Type:  defect                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  ports                   |     Version:  1.9.1                                
 Keywords:  wrong SDK               |        Port:  qt4-mac                              
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 Summarizing ticket #25433, comments 21-23:

 The issue is that qt4-* uses the 10.4 SDK by default and needs to be told
 otherwise when compiling under 10.5 or 10.6; if we don't upgrade the SDK,
 some Qt features don't compile or work. So, we chose the "minimal" upgrade
 -- to 10.5 -- for 10.5 and 10.6 (leaving 10.4 alone). But, if you don't
 have the 10.5 SDK installed (as could be the case on 10.6) then this
 upgrade doesn't work -- and, so, using the 10.6 SDK would probably make
 sense in that case.

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Ticket URL: <http://trac.macports.org/ticket/25476>
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