In 5.2, the HTML output is in a flatter structure and when they are hosted in qt-project.org/doc, the documentation will be found at http://qt-project.org/doc/qt-$QT_VER The url variable is used by projects outside of Qt 5 which need to link to Qt 5 documentation, such as Qt Creator. Task-number: QTBUG-34584 Change-Id: I3971987490ef7c2f8060383ffc2e141558f827c9 Reviewed-by: Topi Reiniö <topi.reinio@digia.com> Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>