[MacPorts] #31641: qt4-mac does not compile under Xcode 4.2 on Lion

[MacPorts]

#31641: qt4-mac does not compile under Xcode 4.2 on Lion
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 Reporter:  martin.zeman@…          |       Owner:  macports-tickets@…                   
     Type:  defect                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  ports                   |     Version:  2.0.3                                
 Keywords:  qt4-mac lion xcode 4.2  |        Port:  qt4-mac                              
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 Hello,

 I just want to confirm, that qt4-mac does not compile under Xcode 4.2 on
 Lion. After completely reinstalling to get Xcode 4.1 back, qt4-mac
 compiles no problem. The issue appears to be connected to the one where
 someone was using CLANG to do the compilation:
 https://trac.macports.org/ticket/30271

 I believe the key error is:
 error: unable to read PCH file: 'Is a directory'

 I apologise for not providing the necessary log files, but I believe the
 issue is easily reproduce. I was able to compile qt4-mac now under Xcode
 4.1 which is what I need to continue working. I however expect that people
 will eventually want to upgrade to Xcode 4.2?

 Sorry for not being very helpful,

 Martin

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Ticket URL: <https://trac.macports.org/ticket/31641>
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