PhAb, PtMeter and PowerPC

When I use PtMeter widget on a PowerPC, I must change Pt_ARG_METER_FLAGS
to PtM_NON_SELECTABLE. With the default value PtM_SELECTABLE, if I click
on th Meter I have the error “Memory Fault”.

On Intel there is no problem and the NEEDLE_POSITION can be change with
the mouse.

Thanks for help,