New in version 3.18.
It is not allowed to create an
ALIAS target with the same name as an
In CMake 3.17 and below, an
ALIAS target can overwrite silently an existing
target with the same name.
OLD behavior for this policy is to allow target overwrite.
NEW behavior of this policy is to prevent target overwriting.
This policy was introduced in CMake version 3.17. Use the
cmake_policy() command to set it to
Unlike many policies, CMake version 3.23.20220523-g722a9a6 does not warn
when this policy is not set and simply uses
OLD behavior of a policy is
deprecated by definition
and may be removed in a future version of CMake.