16.09.2016, 18:09, "Tobias Hunger" <tobias.hun...@gmail.com>: > Hi Kapil, > > according to the error message you will need to build your code with > -fPIC. Not very helpful, but the best I can do with that information, > sorry. > > https://cmake.org/cmake/help/v3.6/variable/CMAKE_POSITION_INDEPENDENT_CODE.html#variable:CMAKE_POSITION_INDEPENDENT_CODE > might help though:-) > > You will need to figure out how to tell that to your project's build > system. That is a task I do not expect creator being able to help with > -- each project has its own set of particularities:-/
When Qt5Core module is linked to the target, it adds -fPIC automatically in case Qt requires it. So this error usually happens when tartget's sources include Qt headers but no Qt library is linked. > > Best Regards, > Tobias > > On Fri, Sep 16, 2016 at 4:28 PM, Kapil Gupta <kpgupt...@gmail.com> wrote: >> Hi, >> >> I am having this error with qt code : >> ``` >> In file included from >> /usr/include/x86_64-linux-gnu/qt5/QtCore/qnamespace.h:37:0, >> from >> /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs.h:41, >> from /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:40, >> from >> /usr/include/x86_64-linux-gnu/qt5/QtMultimedia/qaudioformat.h:38, >> from >> >> /home/cortana/libdash/libdash/qtplayer/libdashframework/Buffer/AudioChunk.h:16, >> from >> >> /home/cortana/libdash/libdash/qtplayer/libdashframework/Buffer/AudioChunk.cpp:12: >> /usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:1067:4: error: #error >> "You must build your code with position independent code if Qt was built >> with -reduce-relocations. " "Compile your code with -fPIC (-fPIE is not >> enough)." >> # error "You must build your code with position independent code if Qt was >> built with -reduce-relocations. "\ >> ^ >> [ 57%] Building CXX object >> >> CMakeFiles/qtsampleplayer.dir/libdashframework/Buffer/MediaObjectBuffer.cpp.o >> [ 60%] Building CXX object >> CMakeFiles/qtsampleplayer.dir/libdashframework/Input/DASHReceiver.cpp.o >> [ 63%] Building CXX object >> CMakeFiles/qtsampleplayer.dir/libdashframework/Input/MediaObject.cpp.o >> [ 66%] Building CXX object >> CMakeFiles/qtsampleplayer.dir/libdashframework/Input/DASHManager.cpp.o >> CMakeFiles/qtsampleplayer.dir/build.make:389: recipe for target >> 'CMakeFiles/qtsampleplayer.dir/libdashframework/Buffer/AudioChunk.cpp.o' >> failed >> make[2]: *** >> [CMakeFiles/qtsampleplayer.dir/libdashframework/Buffer/AudioChunk.cpp.o] >> Error 1 >> make[2]: *** Waiting for unfinished jobs.... >> In file included from >> /usr/include/x86_64-linux-gnu/qt5/QtCore/qnamespace.h:37:0, >> from >> /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs.h:41, >> from /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:40, >> from >> /usr/include/x86_64-linux-gnu/qt5/QtMultimedia/qaudioformat.h:38, >> from >> >> /home/cortana/libdash/libdash/qtplayer/libdashframework/Input/DASHManager.h:23, >> from >> >> /home/cortana/libdash/libdash/qtplayer/libdashframework/Input/DASHManager.cpp:12: >> /usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:1067:4: error: #error >> "You must build your code with position independent code if Qt was built >> with -reduce-relocations. " "Compile your code with -fPIC (-fPIE is not >> enough)." >> # error "You must build your code with position independent code if Qt was >> built with -reduce-relocations. "\ >> ``` >> What can I do to remove this error? The code is the libdash library's >> qtsampleplayer which is based on cmake. >> >> _______________________________________________ >> Qt-creator mailing list >> Qt-creator@qt-project.org >> http://lists.qt-project.org/mailman/listinfo/qt-creator > > _______________________________________________ > Qt-creator mailing list > Qt-creator@qt-project.org > http://lists.qt-project.org/mailman/listinfo/qt-creator -- Regards, Konstantin _______________________________________________ Qt-creator mailing list Qt-creator@qt-project.org http://lists.qt-project.org/mailman/listinfo/qt-creator