Warnings produced building QtDeclarative for Harmattan

The following warnings are produced when building QtDeclarative for Harmattan:

util/qdeclarativeanimation.cpp:2543: warning: unused variable 'forward'
graphicsitems/qdeclarativepainteditem.cpp:1: warning: '/scratchbox/ccache//tmp.hash.maemo-bifh-22.7386.gcda' is version '402*', expected version '403*'
qml/qdeclarativecomponent.cpp:1: warning: '/scratchbox/ccache//tmp.hash.maemo-bifh-22.7520.gcda' is version '402*', expected version '403*'
qml/qdeclarativeengine.cpp:1027: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1028: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1029: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1030: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1034: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1054: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1055: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1056: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1057: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeengine.cpp:1061: warning: 'QString::QString(const char*)' is deprecated (declared at ../../include/QtCore/../../src/corelib/tools/qstring.h:426)
qml/qdeclarativeinclude.cpp:260: warning: unused variable 'ep'
qml/qdeclarativevaluetype.cpp:1: warning: '/scratchbox/ccache//tmp.hash.maemo-bifh-22.7654.gcda' is version '402*', expected version '403*'
qml/qdeclarativeobjectscriptclass.cpp:644: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:648: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:650: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:679: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:704: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:707: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:710: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:713: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:716: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:725: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:764: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:766: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:768: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:770: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:772: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:774: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:776: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:778: warning: dereferencing type-punned pointer will break strict-aliasing rules
qml/qdeclarativeobjectscriptclass.cpp:784: warning: dereferencing type-punned pointer will break strict-aliasing rules