hi PyQt,

after merging to the new Qt 4.6 and PyQt 4.7 I observed strange crashes of my 
py2app bundled application on another test computer. on my development Mac 
everything was fine.

running the binary from my .app directly on the shell I saw a number of strange 
warnings about two Qt versions being used in an undefined way. on the test Mac 
Qt 4.5 was installed and that was mixed with my Qt 4.6 from the app which 
caused the crash.
I checked my env and no DYLD_LIBRARY_PATH is set. after deleting the old Qt 4.5 
version everything was fine on the test Mac.

the question is now: does my app conflict with any pre-installed Qt version a 
user might have? what can I do against it?

see a shortened output from the binary below.

thanks a lot!
michael

/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/test 
objc[32502]: Class QMacSoundDelegate is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QCocoaColorPanelDelegate is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QNSOpenSavePanelDelegate is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QCocoaFontPanelDelegate is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QNSWindowProxy is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QNSPanelProxy is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QCocoaPageLayoutDelegate is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QCocoaPrintPanelDelegate is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QNSMenu is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QNSStatusItem is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
objc[32502]: Class QNSImageView is implemented in both 
/Users/analyzer/Downloads/test_package/test.app/Contents/MacOS/../Frameworks/QtGui.framework/Versions/4/QtGui
 and /Library/Frameworks/QtGui.framework/Versions/4/QtGui. One of the two will 
be used. Which one is undefined.
QObject::moveToThread: Current thread (0xa300220) is not the object's thread 
(0x4c80490).
Cannot move to target thread (0x4c80490)

On Mac OS X, you might be loading two sets of Qt binaries into the same 
process. Check that all plugins are compiled against the right Qt binaries. 
Export DYLD_PRINT_LIBRARIES=1 and check that only one set of binaries are being 
loaded.
QObject::moveToThread: Current thread (0xa300220) is not the object's thread 
(0x4c80490).
Cannot move to target thread (0x4c80490)

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