[MacPorts] #39221: Cannot deploy Qt applications with MacPorts port qt4-mac

[MacPorts]

#39221: Cannot deploy Qt applications with MacPorts port qt4-mac
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  Reporter:  clemens.brunner@…  |      Owner:  michaelld@…
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.1.3
Resolution:                     |   Keywords:
      Port:  qt4-mac            |
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Comment (by clemens.brunner@…):

 Thanks, rebuilding tiff from source did get rid of this error message;
 macdeployqt now works as expected.

 However, as you suspected, the issue with 10.6 is a separate problem. I
 didn't even know about setting `macosx_deployment_target` in my
 `macports.conf`, so it is not set at all on my machine. Therefore, the
 minimum target version seems to be the version of my OS, which is 10.8. I
 didn't know that manually setting the minimum target when building my
 application had no effect. Do you think that's a MacPorts bug or expected
 behavior?

 In any case, this bug can be closed since rebuilding tiff solved my
 problem. On a related note, it would be interesting to know why these
 situations are not handled automatically by MacPorts; if some flags were
 updated, shouldn't all my ports have been rebuilt to ensure consistent
 operation?

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Ticket URL: <https://trac.macports.org/ticket/39221#comment:7>
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