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Help: Drop cmake_minimum_required pre-2.4 behavior

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The long outdated pre-2.4 compatibility behavior is no longer relevant
since CMake 4.0 dropped support for pre-3.5 compatibility.
This commit is contained in:
Brad King
2025-02-13 12:20:40 -05:00
parent 3f2386db2b
commit e5d29e9e00
1 changed files with 9 additions and 20 deletions
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Help/command/cmake_minimum_required.rst
+9 -20
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@@ -53,9 +53,15 @@ with an error instead of just a warning.
Policy Settings
^^^^^^^^^^^^^^^
The ``cmake_minimum_required(VERSION)`` command implicitly invokes the
:command:`cmake_policy(VERSION)` command to specify that the current
project code is written for the given range of CMake versions.
``cmake_minimum_required(VERSION <min>[...<max>])`` implicitly invokes
.. code-block:: cmake
cmake_policy(VERSION <min>[...<max>])
This specifies that the current CMake code is written for the given
range of CMake versions.
All policies known to the running version of CMake and introduced
in the ``<min>`` (or ``<max>``, if specified) version or earlier will
be set to use ``NEW`` behavior. All policies introduced in later
@@ -64,23 +70,6 @@ versions will be unset (unless the
This effectively requests behavior preferred as of a given CMake
version and tells newer CMake versions to warn about their new policies.
When a ``<min>`` version higher than 2.4 is specified the command
implicitly invokes
.. code-block:: cmake
cmake_policy(VERSION <min>[...<max>])
which sets CMake policies based on the range of versions specified.
When a ``<min>`` version 2.4 or lower is given the command implicitly
invokes
.. code-block:: cmake
cmake_policy(VERSION 2.4[...<max>])
which enables compatibility features for CMake 2.4 and lower.
.. include:: DEPRECATED_POLICY_VERSIONS.txt
See Also