`file(REMOVE_RECURSE "")` removes everything from current working directory
Accidental usage of file(REMOVE_RECURSE "${empty_or_unexisted_variable}")
will lead to remove everything from the current working directory.
Edited by Andrey
Accidental usage of file(REMOVE_RECURSE "${empty_or_unexisted_variable}")
will lead to remove everything from the current working directory.