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View Full Version : qudpsocket qtnetwork linking problem



foxpuma
13th May 2013, 15:34
OS linux arch

qt4.8.4

when I try to link a program that include Qupdsocket I have this error:

/usr/bin/ld: CMakeFiles/QttestTest.dir/QttestTest.cpp.o: undefined reference to symbol '_ZN7QObject10childEventEP11QChildEvent'
/usr/bin/ld: note: '_ZN7QObject10childEventEP11QChildEvent' is defined in DSO /usr/lib/libQtCore.so.4 so try adding it to the linker command line
/usr/lib/libQtCore.so.4: could not read symbols: Invalid operation

/usr/lib/libQtCore.so.4 link to /usr/lib/libQtCore.so.4.8.4


with qt4.7 no problem

some help ?

thanks
Tino