From 2e176e915a4f7f992a7e6570973749b8b77b1921 Mon Sep 17 00:00:00 2001
From: Jeremy Retailleau <jeremy.retailleau@gmail.com>
Date: Sun, 10 Aug 2025 10:46:33 -0700
Subject: [PATCH] Add compatibility with CMake 4.1

---
 .github/workflows/test.yml    | 4 ++--
 README.md                     | 2 +-
 build_config.py               | 2 +-
 cmake/FindPytest.cmake        | 2 +-
 cmake/PytestAddTests.cmake    | 2 +-
 doc/release/release_notes.rst | 7 +++++++
 pyproject.toml                | 2 +-
 7 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 896d6b0..b6b346b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,9 +17,9 @@ jobs:
       fail-fast: false
       matrix:
         pytest: [ "7", "8" ]
-        cmake: [ "3.20", "3.30" ]
+        cmake: [ "3.20", "4.1" ]
         os: [ "ubuntu", "macos", "windows" ]
-        python: [ "3.8", "3.11", "3.12" ]
+        python: [ "3.8", "3.12", "3.13" ]
         bundled: [ false, true ]
 
     name: |
diff --git a/README.md b/README.md
index 0efdf59..7e046b5 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Pytest CMake
 
 [![PyPi version](https://img.shields.io/pypi/v/pytest-cmake.svg?logo=pypi&label=PyPI&logoColor=gold)](https://pypi.python.org/pypi/pytest-cmake)
-[![CMake](https://img.shields.io/badge/CMake-3.20...3.30-blue.svg?logo=CMake&logoColor=blue)](https://cmake.org)
+[![CMake](https://img.shields.io/badge/CMake-3.20...4.1-blue.svg?logo=CMake&logoColor=blue)](https://cmake.org)
 [![Test](https://github.com/python-cmake/pytest-cmake/actions/workflows/test.yml/badge.svg?branch=main)](https://github.com/python-cmake/pytest-cmake/actions/workflows/test.yml)
 [![License](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
diff --git a/build_config.py b/build_config.py
index 9359e2f..b5eff50 100644
--- a/build_config.py
+++ b/build_config.py
@@ -33,7 +33,7 @@ def initialize(self, version, build_data):
             stream.write(
                 "include(CMakePackageConfigHelpers)\n"
                 "write_basic_package_version_file(\n"
-                f"    \"{str(version_config_path)}\"\n"
+                f"    \"{str(version_config_path.as_posix())}\"\n"
                 f"    VERSION {pytest.__version__}\n"
                 "    COMPATIBILITY AnyNewerVersion\n"
                 ")"
diff --git a/cmake/FindPytest.cmake b/cmake/FindPytest.cmake
index d9bb693..f3f12c1 100644
--- a/cmake/FindPytest.cmake
+++ b/cmake/FindPytest.cmake
@@ -17,7 +17,7 @@
 #     prepend a custom search path.
 #     (https://cmake.org/cmake/help/latest/policy/CMP0074.html)
 
-cmake_minimum_required(VERSION 3.20...3.30)
+cmake_minimum_required(VERSION 3.20...4.1)
 
 include(FindPackageHandleStandardArgs)
 
diff --git a/cmake/PytestAddTests.cmake b/cmake/PytestAddTests.cmake
index 095b3d0..9542750 100644
--- a/cmake/PytestAddTests.cmake
+++ b/cmake/PytestAddTests.cmake
@@ -1,5 +1,5 @@
 # Wrapper used to create individual CTest tests from Pytest tests.
-cmake_minimum_required(VERSION 3.20...3.30)
+cmake_minimum_required(VERSION 3.20...4.1)
 
 if(CMAKE_SCRIPT_MODE_FILE)
 
diff --git a/doc/release/release_notes.rst b/doc/release/release_notes.rst
index ffa6f5f..4286e71 100644
--- a/doc/release/release_notes.rst
+++ b/doc/release/release_notes.rst
@@ -4,6 +4,13 @@
 Release Notes
 *************
 
+.. release:: Upcoming
+
+    .. change:: new
+
+        Added compatibility with CMake 4.1.
+
+
 .. release:: 0.13.0
     :date: 2025-02-16
 
diff --git a/pyproject.toml b/pyproject.toml
index 767f9e8..091c7d3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 requires = [
     "hatchling >= 1.4; python_version >= '3'",
     "setuptools >= 44; python_version < '3'",
-    "cmake >= 3.20, < 3.31"
+    "cmake >= 3.20, < 4.2"
 ]
 build-backend = "build_backend"
 backend-path = ["."]