The previous code made incorrect assumptions about Qt6's file hierarchy. Reuse automatic configuration (with pkg-config) for Qt5, and replace '5' by '6'. Also fix a typo in multiw-2.370.
The previous code made incorrect assumptions about Qt6's file hierarchy. Reuse automatic configuration (with pkg-config) for Qt5, and replace '5' by '6'. Also fix a typo in multiw-2.370.