John Drescher wrote: >> Thanks for your help. Do you (or anyone else) know if there are any plans to >> make a dedicated function for this so it is cleaner and portable? > > http://www.vtk.org/Bug/view.php?id=1260 I just added a FAQ entry: http://www.cmake.org/Wiki/CMake_FAQ#Does_CMake_support_precompiled_headers.3F -Brad