[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:  michaelld@…           
      Type:  defect                |      Status:  reopened              
  Priority:  Normal                |   Milestone:                        
 Component:  ports                 |     Version:  1.7.1                 
Resolution:                        |    Keywords:                        
      Port:  qt4-mac               |  
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Comment(by raimue@…):

 Replying to [comment:85 mcalhoun@…]:
 > This may be a silly idea, but could we put the MacPorts paths first (no
 patching the source) but just for the libraries we need (thereby avoiding
 conflicts)?[[BR]]
 > For example, instead of -I${prefix}/include, we use something like (for
 zlib) -I${zlib_loc}/${prefix}/include, where ${zlib_loc} is found from the
 output[[BR]]
 > of port location zlib.

 You are talking about [wiki:SummerOfCode?version=123#images depot
 dependencies] (there are also mailing list posts). As long as we have
 direct mode, this is not possible. It would also be mutual exclusive with
 the current images-and-archives plans, see #19458 and the corresponding
 branch.

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Ticket URL: <http://trac.macports.org/ticket/20199#comment:88>
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