/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/ is in qtsystems5-private-dev 5.0~git20141206~44f70d99-0ubuntu8.
This file is owned by root:root, with mode 0o755.
..
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/gconfitem_p.h
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/gconflayer_p.h
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/qsystemreadwritelock_p.h
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/qvaluespace_p.h
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/qvaluespacemanager_p.h
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/qvaluespacesubscriber_p.h
/usr/include/x86_64-linux-gnu/qt5/QtPublishSubscribe/5.4.0/QtPublishSubscribe/private/registrylayer_win_p.h