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- CMP0048
- -------
- The :command:`project` command manages VERSION variables.
- CMake version 3.0 introduced the ``VERSION`` option of the :command:`project`
- command to specify a project version as well as the name. In order to keep
- :variable:`PROJECT_VERSION` and related variables consistent with variable
- :variable:`PROJECT_NAME` it is necessary to set the VERSION variables
- to the empty string when no ``VERSION`` is given to :command:`project`.
- However, this can change behavior for existing projects that set VERSION
- variables themselves since :command:`project` may now clear them.
- This policy controls the behavior for compatibility with such projects.
- The OLD behavior for this policy is to leave VERSION variables untouched.
- The NEW behavior for this policy is to set VERSION as documented by the
- :command:`project` command.
- This policy was introduced in CMake version 3.0.
- 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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