failing build

02:28:36: Running build steps for project swypeswitcher...
02:28:36: Configuration unchanged, skipping qmake step.
02:28:36: Starting: "/usr/bin/make" -w
make: Entering directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug'
cd src/ && /usr/bin/make -f Makefile
make[1]: Entering directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src'
cd swypeswitcherengine/ && /usr/bin/make -f Makefile
make[2]: Entering directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src/swypeswitcherengine'
make[2]: Nothing to be done for `first'.
make[2]: Leaving directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src/swypeswitcherengine'
cd swypeswitcherapp/ && /usr/bin/make -f Makefile
make[2]: Entering directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src/swypeswitcherapp'
g++  -o swypeswitcherapp main.o qmlapplicationviewer.o moc_qmlapplicationviewer.o    -L/Users/artem/QtSDK/Madde/sysroots/harmattan_sysroot_10.2011.34-1_slim/usr/lib -L/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src/swypeswitcherapp/../swypeswitcherengine/ -lswypeswitcherengine -pie -rdynamic -lmdeclarativecache -lQtDeclarative -lQtGui -lQtCore -lpthread
main.o: In function `int qmlRegisterType<LanguageFiles>(char const*, int, int, char const*)':
make[2]: Leaving directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src/swypeswitcherapp'
make[1]: Leaving directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src'
make: Leaving directory `/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug'
/Users/artem/QtSDK/Madde/sysroots/harmattan_sysroot_10.2011.34-1_slim/usr/include/qt4/QtDeclarative/qdeclarative.h:190: undefined reference to `LanguageFiles::staticMetaObject'
main.o: In function `~LanguageFiles':
/Users/artem/WorkArea/projects/swypeswitcher-build-harmattan-Harmattan_Target__Qt_SDK__Debug/src/swypeswitcherapp/../../../swypeswitcher/src/swypeswitcherengine/languagefiles.h:7: undefined reference to `vtable for LanguageFiles'
main.o: In function `QDeclarativeElement':
/Users/artem/QtSDK/Madde/sysroots/harmattan_sysroot_10.2011.34-1_slim/usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:83: undefined reference to `LanguageFiles::LanguageFiles(QObject*)'
main.o:(.data.rel.ro._ZTVN19QDeclarativePrivate19QDeclarativeElementI13LanguageFilesEE[vtable for QDeclarativePrivate::QDeclarativeElement<LanguageFiles>]+0x8): undefined reference to `LanguageFiles::metaObject() const'
main.o:(.data.rel.ro._ZTVN19QDeclarativePrivate19QDeclarativeElementI13LanguageFilesEE[vtable for QDeclarativePrivate::QDeclarativeElement<LanguageFiles>]+0xc): undefined reference to `LanguageFiles::qt_metacast(char const*)'
main.o:(.data.rel.ro._ZTVN19QDeclarativePrivate19QDeclarativeElementI13LanguageFilesEE[vtable for QDeclarativePrivate::QDeclarativeElement<LanguageFiles>]+0x10): undefined reference to `LanguageFiles::qt_metacall(QMetaObject::Call, int, void**)'
main.o:(.data.rel.ro._ZTIN19QDeclarativePrivate19QDeclarativeElementI13LanguageFilesEE[typeinfo for QDeclarativePrivate::QDeclarativeElement<LanguageFiles>]+0x8): undefined reference to `typeinfo for LanguageFiles'
collect2: ld returned 1 exit status
make[2]: *** [swypeswitcherapp] Error 1
make[1]: *** [sub-swypeswitcherapp-make_default] Error 2
make: *** [sub-src-make_default] Error 2
02:28:37: The process "/usr/bin/make" exited with code 2.
Error while building project swypeswitcher (target: Harmattan)
When executing build step 'Make'