When compiling svn 52312 for Qt under Linux with Qt 4.5.0, I received the following compilation error: Creating hashtable for ../../../JavaScriptCore/runtime/StringPrototype.cpp In file included from /home/kyzivat/builds/WebKit/WebKit/qt/QtLauncher/main.cpp:702: ./main.moc: In member function ‘virtual int MainWindow::qt_metacall(QMetaObject::Call, int, void**)’: ./main.moc:215: error: ‘setTouchMocking’ was not declared in this scope make[1]: *** [main.o] Error 1 make: *** [sub-WebKit-qt-QtLauncher-make_default-ordered] Error 2 Looking at WebKit/qt/QtLauncher/main.cpp, I see that setTouchMocking is only included if Qt version is >= 4.6.0. Thus, in my environment, it would not include setTouchMocking implementation. When Qt builds main.moc, it seems not to honor the #ifdef directive, and erroneously creates binding for setTouchMocking.
Forgot to mention -- this change was introduced with changeset [52250]
Fixed in r52340 http://trac.webkit.org/changeset/52340