Woohoo! My MacBook is fixed. It’s almost like a new Mac – replaced logic board, inverter, screen, a couple case parts.
So, I can now build the recent Qgis 0.8.1 release. Now available in the downloads.
With this release, that finishes up everything that was using old framework versions, so I have removed the old GDAL 1.3 and GEOS 2.2 frameworks.