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fix: use FindPython for CMake 3.18+ by default for pybind11's tests

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Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
This commit is contained in:
Henry Schreiner 2023-11-29 16:26:39 -05:00
parent abb4e8b120
commit 88fc7e1275
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GPG Key ID: B9D0E45146A241E8
1 changed files with 18 additions and 1 deletions
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19
CMakeLists.txt
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@ -92,9 +92,15 @@ if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
set(pybind11_system "")
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if(CMAKE_VERSION VERSION_LESS "3.18")
set(_pybind11_findpython_default OFF)
else()
set(_pybind11_findpython_default ON)
endif()
else()
set(PYBIND11_MASTER_PROJECT OFF)
set(pybind11_system SYSTEM)
set(_pybind11_findpython_default OFF)
endif()
# Options
@ -116,9 +122,20 @@ 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" OFF
cmake_dependent_option(PYBIND11_FINDPYTHON "Force new FindPython" ${_pybind11_findpython_default}
"NOT CMAKE_VERSION VERSION_LESS 3.12" OFF)
# Allow PYTHON_EXECUTABLE if in FINDPYTHON mode and building pybind11's tests
# (makes transition easier while we support both modes).
if(PYBIND11_MASTER_PROJECT
AND PYBIND11_FINDPYTHON
AND DEFINED PYTHON_EXECUTABLE
AND NOT DEFINED Python_EXECUTABLE)
set(Python_EXECUTABLE
"${PYTHON_EXECUTABLE}"
CACHE INTERNAL "")
endif()
# NB: when adding a header don't forget to also add it to setup.py
set(PYBIND11_HEADERS
include/pybind11/detail/class.h