Return from a file, directory or function.
Returns from a file, directory or function. When this command is encountered in an included file (via
find_package()), it causes processing of the current file to stop and control is returned to the including file. If it is encountered in a file which is not included by another file, e.g. a
CMakeLists.txt, control is returned to the parent directory if there is one. If return is called in a function, control is returned to the caller of the function.
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