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feat: require CMake 3.15+ (#5304)

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* feat: require CMake 3.15+

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* Apply suggestions from code review

* Update CMakeLists.txt

* fix: adapt for CMake 3.30+ (using 3.18+)

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
This commit is contained in:
Henry Schreiner
2024-08-14 18:21:04 -04:00
committed by GitHub
parent d893f9723a
commit 28dbce4157
20 changed files with 112 additions and 290 deletions
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57
CMakeLists.txt
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@@ -10,16 +10,7 @@ if(NOT CMAKE_VERSION VERSION_LESS "3.27")
cmake_policy(GET CMP0148 _pybind11_cmp0148)
endif()
cmake_minimum_required(VERSION 3.5)
# The `cmake_minimum_required(VERSION 3.5...3.29)` syntax does not work with
# some versions of VS that have a patched CMake 3.11. This forces us to emulate
# the behavior using the following workaround:
if(${CMAKE_VERSION} VERSION_LESS 3.29)
cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
else()
cmake_policy(VERSION 3.29)
endif()
cmake_minimum_required(VERSION 3.15...3.30)
if(_pybind11_cmp0148)
cmake_policy(SET CMP0148 ${_pybind11_cmp0148})
@@ -27,9 +18,7 @@ if(_pybind11_cmp0148)
endif()
# Avoid infinite recursion if tests include this as a subdirectory
if(DEFINED PYBIND11_MASTER_PROJECT)
return()
endif()
include_guard(GLOBAL)
# Extract project version from source
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/pybind11/detail/common.h"
@@ -74,14 +63,6 @@ if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
set(PYBIND11_MASTER_PROJECT ON)
if(OSX AND CMAKE_VERSION VERSION_LESS 3.7)
# Bug in macOS CMake < 3.7 is unable to download catch
message(WARNING "CMAKE 3.7+ needed on macOS to download catch, and newer HIGHLY recommended")
elseif(WINDOWS AND CMAKE_VERSION VERSION_LESS 3.8)
# Only tested with 3.8+ in CI.
message(WARNING "CMAKE 3.8+ tested on Windows, previous versions untested")
endif()
message(STATUS "CMake ${CMAKE_VERSION}")
if(CMAKE_CXX_STANDARD)
@@ -133,8 +114,7 @@ cmake_dependent_option(
"Install pybind11 headers in Python include directory instead of default installation prefix"
OFF "PYBIND11_INSTALL" OFF)
cmake_dependent_option(PYBIND11_FINDPYTHON "Force new FindPython" ${_pybind11_findpython_default}
"NOT CMAKE_VERSION VERSION_LESS 3.12" OFF)
option(PYBIND11_FINDPYTHON "Force new FindPython" ${_pybind11_findpython_default})
# Allow PYTHON_EXECUTABLE if in FINDPYTHON mode and building pybind11's tests
# (makes transition easier while we support both modes).
@@ -183,7 +163,7 @@ set(PYBIND11_HEADERS
include/pybind11/typing.h)
# Compare with grep and warn if mismatched
if(PYBIND11_MASTER_PROJECT AND NOT CMAKE_VERSION VERSION_LESS 3.12)
if(PYBIND11_MASTER_PROJECT)
file(
GLOB_RECURSE _pybind11_header_check
LIST_DIRECTORIES false
@@ -201,10 +181,7 @@ if(PYBIND11_MASTER_PROJECT AND NOT CMAKE_VERSION VERSION_LESS 3.12)
endif()
endif()
# CMake 3.12 added list(TRANSFORM <list> PREPEND
# But we can't use it yet
string(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/" PYBIND11_HEADERS
"${PYBIND11_HEADERS}")
list(TRANSFORM PYBIND11_HEADERS PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/")
# Cache variable so this can be used in parent projects
set(pybind11_INCLUDE_DIR
@@ -274,25 +251,11 @@ if(PYBIND11_INSTALL)
tools/${PROJECT_NAME}Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
if(CMAKE_VERSION VERSION_LESS 3.14)
# Remove CMAKE_SIZEOF_VOID_P from ConfigVersion.cmake since the library does
# not depend on architecture specific settings or libraries.
set(_PYBIND11_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
unset(CMAKE_SIZEOF_VOID_P)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion)
set(CMAKE_SIZEOF_VOID_P ${_PYBIND11_CMAKE_SIZEOF_VOID_P})
else()
# CMake 3.14+ natively supports header-only libraries
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion ARCH_INDEPENDENT)
endif()
# CMake natively supports header-only libraries
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion ARCH_INDEPENDENT)
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake