#include <QtCore/qthread.h> #ifndef QTHREAD_H #ifndef QT_NO_THREAD class QThread: public QObject{ /* Some contents are skipped to improve readability */ public: virtual int qt_metacall(enum QMetaObject::Call, int, void* *); /* ... */ }; #else // QT_NO_THREAD #endif // QT_NO_THREAD #endif // QTHREAD_H