undefined reference to symbol '_ZN7QWidget17mouseReleaseEventEP11QMouseEvent'



  • Hi, I am compiling a third party library which gives me the following errors:

    undefined reference to symbol '_ZN7QWidget17mouseReleaseEventEP11QMouseEvent'
    //usr/lib/x86_64-linux-gnu/libQtGui.so.4: error adding symbols: DSO missing from command line
    

    I'm using Qt4.8.6 on Ubuntu14.04. Any idea what's the problem and solutions? Thanks in advance.


  • Qt Champions 2017

    This clearly indicates that implementation for the mouseRelease is not found. Are you able to compile your program with mouseReleaseEvent re-implemented ? Sometime clean-rebuild will solve the issue. Just a try.


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