Hi, Sebastien, Thank you very much. It worked. I downloaded the zipped file from the downloading page, not from the git master branch. Cheers, May -- View this message in context: http://vtk.1045678.n5.nabble.com/Error-compile-VTK6-0-on-MAC-OS-10-8-tp5723136p5723145.html Sent from the VTK - Users mailing list archive at Nabble.com.