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c++macosqtlibrariesiconv

Error trying to run an app in Qt

I'm trying to run an application in Qt, but I'm getting the following error:

dyld: Symbol not found: _iconv
  Referenced from: /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
  Expected in: /opt/local/lib/libiconv.2.dylib
 in /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
The program has unexpectedly finished.

I'm using Qt 5.6 with the Qwt and Boost libraries (both installed by Homebrew) on OS X El Capitan 10.11.5.

Notes:

  • The variable DYLD_LIBRARY_PATH is empty.
  • The file libiconv.2.dylib is in the /opt/local/lib/ folder.

I'm new on OS X and I really don't know what is happening.

Solution

  • I solved the problem rebuilding the libraries Boost and Qwt and setting the correct path on my Qt project.

    Note: I also had to copy the .../qwt.frameworks folder to the /System/Library/Frameworks folder.