I got the following error while building qt-4.6_snapshot with
"-plugin-gfx-powervr" and "-opengl es1" configuration options for
beagleboard(OMAP3).
./qglscreen_qws.h:67: error: 'NativeWindowType' does not name a type
./qglscreen_qws.h:68: error: 'NativePixmapType' does not name a type
./qglscreen_qws.h:69: error: 'NativeDisplayType' does not name a type