On 31.5.2009, at 23:33, Thomas Holder wrote: > I have Loch compiled with vtk-5.2, the VTK version is hard-coded in > loch/Makefile. vtk-5.4 on MacOSX. Isn't it the compatibility switch in loch/Makefile? Something as: export MACOSX_DEPLOYMENT_TARGET=10.4 m.