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chore: bump CMake max policy to 4.2 #5944

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chore: bump CMake max policy to 4.2 #5944

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4d0a1dc
chore: bupm CMake to 4.1
henryiii Dec 23, 2025
b87afca
ci: use newest version of CMake in a few places
henryiii Dec 23, 2025
f8bb0bc
chore: bupm CMake to 4.2
henryiii Dec 23, 2025
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4 changes: 2 additions & 2 deletions .github/workflows/configure.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,10 @@ jobs:
cmake: "3.15"

- runs-on: macos-14
cmake: "4.0"
cmake: "4.2"

- runs-on: windows-latest
cmake: "4.0"
cmake: "4.2"

name: 🐍 3.11 • CMake ${{ matrix.cmake }} • ${{ matrix.runs-on }}
runs-on: ${{ matrix.runs-on }}
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2 changes: 1 addition & 1 deletion CMakeLists.txt
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Expand Up @@ -10,7 +10,7 @@ if(NOT CMAKE_VERSION VERSION_LESS "3.27")
cmake_policy(GET CMP0148 _pybind11_cmp0148)
endif()

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

if(_pybind11_cmp0148)
cmake_policy(SET CMP0148 ${_pybind11_cmp0148})
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2 changes: 1 addition & 1 deletion docs/advanced/embedding.rst
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Expand Up @@ -18,7 +18,7 @@ information, see :doc:`/compiling`.

.. code-block:: cmake

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)
project(example)

find_package(pybind11 REQUIRED) # or `add_subdirectory(pybind11)`
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10 changes: 5 additions & 5 deletions docs/compiling.rst
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Expand Up @@ -18,7 +18,7 @@ A Python extension module can be created with just a few lines of code:

.. code-block:: cmake

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)
project(example LANGUAGES CXX)

set(PYBIND11_FINDPYTHON ON)
Expand Down Expand Up @@ -447,7 +447,7 @@ See the `Config file`_ docstring for details of relevant CMake variables.

.. code-block:: cmake

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)
project(example LANGUAGES CXX)

find_package(pybind11 REQUIRED)
Expand Down Expand Up @@ -492,7 +492,7 @@ FindPython, pybind11 will detect this and use the existing targets instead:

.. code-block:: cmake

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)
project(example LANGUAGES CXX)

find_package(Python 3.8 COMPONENTS Interpreter Development REQUIRED)
Expand Down Expand Up @@ -570,7 +570,7 @@ You can use these targets to build complex applications. For example, the

.. code-block:: cmake

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)
project(example LANGUAGES CXX)

find_package(pybind11 REQUIRED) # or add_subdirectory(pybind11)
Expand Down Expand Up @@ -628,7 +628,7 @@ information about usage in C++, see :doc:`/advanced/embedding`.

.. code-block:: cmake

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)
project(example LANGUAGES CXX)

find_package(pybind11 REQUIRED) # or add_subdirectory(pybind11)
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2 changes: 1 addition & 1 deletion tests/CMakeLists.txt
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Expand Up @@ -5,7 +5,7 @@
# All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.

cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

# Filter out items; print an optional message if any items filtered. This ignores extensions.
#
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2 changes: 1 addition & 1 deletion tests/test_cmake_build/installed_embed/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

project(test_installed_embed CXX)

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2 changes: 1 addition & 1 deletion tests/test_cmake_build/installed_function/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

project(test_installed_function CXX)

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2 changes: 1 addition & 1 deletion tests/test_cmake_build/installed_target/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

project(test_installed_target CXX)

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2 changes: 1 addition & 1 deletion tests/test_cmake_build/subdirectory_embed/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

project(test_subdirectory_embed CXX)

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2 changes: 1 addition & 1 deletion tests/test_cmake_build/subdirectory_function/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

project(test_subdirectory_function CXX)

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2 changes: 1 addition & 1 deletion tests/test_cmake_build/subdirectory_target/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

project(test_subdirectory_target CXX)

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2 changes: 1 addition & 1 deletion tools/pybind11GuessPythonExtSuffix.cmake
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

function(pybind11_guess_python_module_extension python)

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2 changes: 1 addition & 1 deletion tools/test-pybind11GuessPythonExtSuffix.cmake
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.15...4.0)
cmake_minimum_required(VERSION 3.15...4.2)

# Tests for pybind11_guess_python_module_extension
# Run using `cmake -P tools/test-pybind11GuessPythonExtSuffix.cmake`
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