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- CMP0013
- -------
- Duplicate binary directories are not allowed.
- CMake 2.6.3 and below silently permitted add_subdirectory() calls to
- create the same binary directory multiple times. During build system
- generation files would be written and then overwritten in the build
- tree and could lead to strange behavior. CMake 2.6.4 and above
- explicitly detect duplicate binary directories. CMake 2.6.4 always
- considers this case an error. In CMake 2.8.0 and above this policy
- determines whether or not the case is an error. The OLD behavior for
- this policy is to allow duplicate binary directories. The NEW
- behavior for this policy is to disallow duplicate binary directories
- with an error.
- This policy was introduced in CMake version 2.8.0. CMake version
- |release| warns when the policy is not set and uses OLD behavior. Use
- the cmake_policy command to set it to OLD or NEW explicitly.
- .. include:: DEPRECATED.txt
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