qt mac osx 10.8 dyld: library not loaded...image not found

StackOverflow https://stackoverflow.com/questions/13611740

  •  03-12-2021
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Question

I have an app I was building and running fine under osx snow leopard with Qt 4.7.4, but that macbook died. I now am setting up a new macbook running mountain lion (10.8.2) and Qt 4.8.3. I can build my app, but when I try to run it from within Qt Creator 2.6.0, I get this run time error:

dyld: Library not loaded: ../lib/libicudata.46.1.dylib
  Referenced from: /Users/david/dev/svn/map_creator/karte-build-Desktop-Debug/debug/MapCreator.app/Contents/MacOS/MapCreator
  Reason: image not found
The program has unexpectedly finished.

I get a similar error running it from Finder.

otool gives me:

Davids-MacBook-Pro:map_creator david$ otool -L karte-build-Desktop-Debug/debug/MapCreator.app/Contents/MacOS/MapCreator 
karte-build-Desktop-Debug/debug/MapCreator.app/Contents/MacOS/MapCreator:
    ../lib/libicudata.46.1.dylib (compatibility version 46.0.0, current version 46.1.0)
    libicui18n.46.dylib (compatibility version 46.0.0, current version 46.1.0)
    libicuuc.46.dylib (compatibility version 46.0.0, current version 46.1.0)
    /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (compatibility version 300.0.0, current version 945.11.0)
    /System/Library/Frameworks/Security.framework/Versions/A/Security (compatibility version 1.0.0, current version 55179.1.0)
    /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 1187.34.0)
    /Users/david/dev/qt483/lib/QtSvg_fmosoft.framework/Versions/4/QtSvg_fmosoft (compatibility version 4.8.0, current version 4.8.3)
    /Users/david/dev/qt483/lib/QtGui_fmosoft.framework/Versions/4/QtGui_fmosoft (compatibility version 4.8.0, current version 4.8.3)
    /Users/david/dev/qt483/lib/QtCore_fmosoft.framework/Versions/4/QtCore_fmosoft (compatibility version 4.8.0, current version 4.8.3)
    /Users/david/dev/qt483/lib/QtXmlPatterns_fmosoft.framework/Versions/4/QtXmlPatterns_fmosoft (compatibility version 4.8.0, current version 4.8.3)
    /Users/david/dev/qt483/lib/QtNetwork_fmosoft.framework/Versions/4/QtNetwork_fmosoft (compatibility version 4.8.0, current version 4.8.3)
    /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 56.0.0)
    /usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1669.0.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0)
    /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 228.0.0)
    /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 744.12.0)

Did something change from snow leopard to mountain lion, or from Qt 4.7.4 to 4.8.3, that is causing this issue? Or maybe I missed a step getting everything set up on my new macbook? I'm still learning - really just a novice on both Qt and Mac, trying to maintain this project after the primary developer has left.

Thanks, David

Was it helpful?

Solution

In your Qt project settings, under runtime settings, you will have to add the path to the ICU libraries that you compiled. There is a grid where you set environment variables, etc. The one you want is DYLD_LIBRARY_PATH, and set (or append) the path to the ICU libraries.

That will enable Qt to resolve ../lib/libicudata.46.1.dylib to the actual library file.

OTHER TIPS

There is a bug in the Qt 5.2.0 offline installer which causes the executables to search for the Qt libraries in the root path instead of the install locations.

Example error:

dyld: Library not loaded: /usr/local/Qt-5.2.0/lib/QtGui.framework/Versions/5/QtGui
Referenced from: /Users/JRP/Dropbox/STANFORD/CS106B/HW1/build-Life-Desktop_Qt_5_2_0_clang_64bit-Debug/Life.app/Contents/MacOS/Life
Reason: image not found
The program has unexpectedly finished.

Fix:

Given the Qt installation path you should run either:

sudo ln -s /Users/$USER/Qt5.2.0/5.2.0/clang_64/ /usr/local/Qt-5.2.0

Or

sudo ln -s /Users/ito/Qt/5.2.0/clang_64/ /usr/local/Qt-5.2.0

You get the idea I suppose. It just creates a link from the qt installation location to the location it is looking for.

On Qt 5.11.3, I restarted the QtCreator and the problem got resolved!

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