I haven't tried compiling branch in a while, but trying today leads to a compile error (using Qt-4.4):
In file included from SignalSlotPrivate.cpp:15: SignalSlotPrivate_moc.cpp:14:2: error: #error "This file was generated using the moc from 4.7.1. It" SignalSlotPrivate_moc.cpp:15:2: error: #error "cannot be used with the include files from this version of Qt." SignalSlotPrivate_moc.cpp:16:2: error: #error "(The moc has changed too much.)" In file included from SignalSlotPrivate.cpp:15: SignalSlotPrivate_moc.cpp: In member function ‘virtual const QMetaObject* lyx::SignalImpl::metaObject() const’: SignalSlotPrivate_moc.cpp:54: error: ‘class QObjectData’ has no member named ‘metaObject’ SignalSlotPrivate_moc.cpp:54: error: ‘class QObjectData’ has no member named ‘metaObject’ SignalSlotPrivate_moc.cpp: In member function ‘virtual const QMetaObject* lyx::SlotImpl::metaObject() const’: SignalSlotPrivate_moc.cpp:119: error: ‘class QObjectData’ has no member named ‘metaObject’ SignalSlotPrivate_moc.cpp:119: error: ‘class QObjectData’ has no member named ‘metaObject’ make[5]: *** [SignalSlotPrivate.lo] Error 1 BH