Yep, that looks like it will work - thanks! CY On Thu, Feb 10, 2011 at 11:21 AM, David Cole <david.cole at kitware.com> wrote: > Sorry. Correction here... Make that: > > COMMAND ${CMAKE_COMMAND} -E touch > ${CMAKE_CURRENT_BINARY_DIR}/${targetprefix}.sentinel > > (The "touch" is the rather important part of that command line....)