When using ExternalProject, sometimes the build rules decide that an
existing source directory needs to be deleted and re{downloaded,cloned}.
In my experience, this is pretty dangerous and I have lost work due to it.
Would it be possible to throw an error and ask the user to perform the
delete, or
Hi Pat,
In some extent, I think the problem has been addressed in CMake master. See
http://public.kitware.com/gitweb?p=cmake.git;a=commitdiff;h=987c017f6b1b49ab832c244166e30e07260432da
http://public.kitware.com/gitweb?p=cmake.git;a=commitdiff;h=987c017f6b1b49ab832c244166e30e07260432da
and
