mirror of
https://github.com/pybind/pybind11.git
synced 2024-11-22 05:05:11 +00:00
348 lines
13 KiB
CMake
348 lines
13 KiB
CMake
# CMakeLists.txt -- Build system for the pybind11 modules
|
|
#
|
|
# Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
|
|
#
|
|
# All rights reserved. Use of this source code is governed by a
|
|
# BSD-style license that can be found in the LICENSE file.
|
|
|
|
# Propagate this policy (FindPythonInterp removal) so it can be detected later
|
|
if(NOT CMAKE_VERSION VERSION_LESS "3.27")
|
|
cmake_policy(GET CMP0148 _pybind11_cmp0148)
|
|
endif()
|
|
|
|
cmake_minimum_required(VERSION 3.15...3.30)
|
|
|
|
if(_pybind11_cmp0148)
|
|
cmake_policy(SET CMP0148 ${_pybind11_cmp0148})
|
|
unset(_pybind11_cmp0148)
|
|
endif()
|
|
|
|
# Avoid infinite recursion if tests include this as a subdirectory
|
|
include_guard(GLOBAL)
|
|
|
|
# Extract project version from source
|
|
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/pybind11/detail/common.h"
|
|
pybind11_version_defines REGEX "#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH) ")
|
|
|
|
foreach(ver ${pybind11_version_defines})
|
|
if(ver MATCHES [[#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$]])
|
|
set(PYBIND11_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}")
|
|
endif()
|
|
endforeach()
|
|
|
|
if(PYBIND11_VERSION_PATCH MATCHES [[\.([a-zA-Z0-9]+)$]])
|
|
set(pybind11_VERSION_TYPE "${CMAKE_MATCH_1}")
|
|
endif()
|
|
string(REGEX MATCH "^[0-9]+" PYBIND11_VERSION_PATCH "${PYBIND11_VERSION_PATCH}")
|
|
|
|
project(
|
|
pybind11
|
|
LANGUAGES CXX
|
|
VERSION "${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH}")
|
|
|
|
# Standard includes
|
|
include(GNUInstallDirs)
|
|
include(CMakePackageConfigHelpers)
|
|
include(CMakeDependentOption)
|
|
|
|
if(NOT pybind11_FIND_QUIETLY)
|
|
message(STATUS "pybind11 v${pybind11_VERSION} ${pybind11_VERSION_TYPE}")
|
|
endif()
|
|
|
|
# Check if pybind11 is being used directly or via add_subdirectory
|
|
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
|
|
### Warn if not an out-of-source builds
|
|
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
|
|
set(lines
|
|
"You are building in-place. If that is not what you intended to "
|
|
"do, you can clean the source directory with:\n"
|
|
"rm -r CMakeCache.txt CMakeFiles/ cmake_uninstall.cmake pybind11Config.cmake "
|
|
"pybind11ConfigVersion.cmake tests/CMakeFiles/\n")
|
|
message(AUTHOR_WARNING ${lines})
|
|
endif()
|
|
|
|
set(PYBIND11_MASTER_PROJECT ON)
|
|
|
|
message(STATUS "CMake ${CMAKE_VERSION}")
|
|
|
|
if(CMAKE_CXX_STANDARD)
|
|
set(CMAKE_CXX_EXTENSIONS OFF)
|
|
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
|
endif()
|
|
|
|
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
|
|
option(PYBIND11_INSTALL "Install pybind11 header files?" ${PYBIND11_MASTER_PROJECT})
|
|
option(PYBIND11_TEST "Build pybind11 test suite?" ${PYBIND11_MASTER_PROJECT})
|
|
option(PYBIND11_NOPYTHON "Disable search for Python" OFF)
|
|
option(PYBIND11_DISABLE_HANDLE_TYPE_NAME_DEFAULT_IMPLEMENTATION
|
|
"To enforce that a handle_type_name<> specialization exists" OFF)
|
|
option(PYBIND11_SIMPLE_GIL_MANAGEMENT
|
|
"Use simpler GIL management logic that does not support disassociation" OFF)
|
|
option(PYBIND11_NUMPY_1_ONLY
|
|
"Disable NumPy 2 support to avoid changes to previous pybind11 versions." OFF)
|
|
set(PYBIND11_INTERNALS_VERSION
|
|
""
|
|
CACHE STRING "Override the ABI version, may be used to enable the unstable ABI.")
|
|
option(PYBIND11_USE_CROSSCOMPILING "Respect CMAKE_CROSSCOMPILING" OFF)
|
|
|
|
if(PYBIND11_DISABLE_HANDLE_TYPE_NAME_DEFAULT_IMPLEMENTATION)
|
|
add_compile_definitions(PYBIND11_DISABLE_HANDLE_TYPE_NAME_DEFAULT_IMPLEMENTATION)
|
|
endif()
|
|
if(PYBIND11_SIMPLE_GIL_MANAGEMENT)
|
|
add_compile_definitions(PYBIND11_SIMPLE_GIL_MANAGEMENT)
|
|
endif()
|
|
if(PYBIND11_NUMPY_1_ONLY)
|
|
add_compile_definitions(PYBIND11_NUMPY_1_ONLY)
|
|
endif()
|
|
|
|
cmake_dependent_option(
|
|
USE_PYTHON_INCLUDE_DIR
|
|
"Install pybind11 headers in Python include directory instead of default installation prefix"
|
|
OFF "PYBIND11_INSTALL" OFF)
|
|
|
|
option(PYBIND11_FINDPYTHON "Force new FindPython" ${_pybind11_findpython_default})
|
|
|
|
# Allow PYTHON_EXECUTABLE if in FINDPYTHON mode and building pybind11's tests
|
|
# (makes transition easier while we support both modes).
|
|
if(PYBIND11_MASTER_PROJECT
|
|
AND PYBIND11_FINDPYTHON
|
|
AND DEFINED PYTHON_EXECUTABLE
|
|
AND NOT DEFINED Python_EXECUTABLE)
|
|
set(Python_EXECUTABLE "${PYTHON_EXECUTABLE}")
|
|
endif()
|
|
|
|
# NB: when adding a header don't forget to also add it to setup.py
|
|
set(PYBIND11_HEADERS
|
|
include/pybind11/detail/class.h
|
|
include/pybind11/detail/common.h
|
|
include/pybind11/detail/cpp_conduit.h
|
|
include/pybind11/detail/descr.h
|
|
include/pybind11/detail/dynamic_raw_ptr_cast_if_possible.h
|
|
include/pybind11/detail/init.h
|
|
include/pybind11/detail/internals.h
|
|
include/pybind11/detail/struct_smart_holder.h
|
|
include/pybind11/detail/type_caster_base.h
|
|
include/pybind11/detail/typeid.h
|
|
include/pybind11/detail/using_smart_holder.h
|
|
include/pybind11/detail/value_and_holder.h
|
|
include/pybind11/detail/exception_translation.h
|
|
include/pybind11/attr.h
|
|
include/pybind11/buffer_info.h
|
|
include/pybind11/cast.h
|
|
include/pybind11/chrono.h
|
|
include/pybind11/common.h
|
|
include/pybind11/complex.h
|
|
include/pybind11/options.h
|
|
include/pybind11/eigen.h
|
|
include/pybind11/eigen/common.h
|
|
include/pybind11/eigen/matrix.h
|
|
include/pybind11/eigen/tensor.h
|
|
include/pybind11/embed.h
|
|
include/pybind11/eval.h
|
|
include/pybind11/gil.h
|
|
include/pybind11/gil_safe_call_once.h
|
|
include/pybind11/iostream.h
|
|
include/pybind11/functional.h
|
|
include/pybind11/numpy.h
|
|
include/pybind11/operators.h
|
|
include/pybind11/pybind11.h
|
|
include/pybind11/pytypes.h
|
|
include/pybind11/smart_holder.h
|
|
include/pybind11/stl.h
|
|
include/pybind11/stl_bind.h
|
|
include/pybind11/stl/filesystem.h
|
|
include/pybind11/trampoline_self_life_support.h
|
|
include/pybind11/type_caster_pyobject_ptr.h
|
|
include/pybind11/typing.h
|
|
include/pybind11/warnings.h)
|
|
|
|
# Compare with grep and warn if mismatched
|
|
if(PYBIND11_MASTER_PROJECT)
|
|
file(
|
|
GLOB_RECURSE _pybind11_header_check
|
|
LIST_DIRECTORIES false
|
|
RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
|
|
CONFIGURE_DEPENDS "include/pybind11/*.h")
|
|
set(_pybind11_here_only ${PYBIND11_HEADERS})
|
|
set(_pybind11_disk_only ${_pybind11_header_check})
|
|
list(REMOVE_ITEM _pybind11_here_only ${_pybind11_header_check})
|
|
list(REMOVE_ITEM _pybind11_disk_only ${PYBIND11_HEADERS})
|
|
if(_pybind11_here_only)
|
|
message(AUTHOR_WARNING "PYBIND11_HEADERS has extra files:" ${_pybind11_here_only})
|
|
endif()
|
|
if(_pybind11_disk_only)
|
|
message(AUTHOR_WARNING "PYBIND11_HEADERS is missing files:" ${_pybind11_disk_only})
|
|
endif()
|
|
endif()
|
|
|
|
list(TRANSFORM PYBIND11_HEADERS PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/")
|
|
|
|
# Cache variable so this can be used in parent projects
|
|
set(pybind11_INCLUDE_DIR
|
|
"${CMAKE_CURRENT_LIST_DIR}/include"
|
|
CACHE INTERNAL "Directory where pybind11 headers are located")
|
|
|
|
# Backward compatible variable for add_subdirectory mode
|
|
if(NOT PYBIND11_MASTER_PROJECT)
|
|
set(PYBIND11_INCLUDE_DIR
|
|
"${pybind11_INCLUDE_DIR}"
|
|
CACHE INTERNAL "")
|
|
endif()
|
|
|
|
# Note: when creating targets, you cannot use if statements at configure time -
|
|
# you need generator expressions, because those will be placed in the target file.
|
|
# You can also place ifs *in* the Config.in, but not here.
|
|
|
|
# This section builds targets, but does *not* touch Python
|
|
# Non-IMPORT targets cannot be defined twice
|
|
if(NOT TARGET pybind11_headers)
|
|
# Build the headers-only target (no Python included):
|
|
# (long name used here to keep this from clashing in subdirectory mode)
|
|
add_library(pybind11_headers INTERFACE)
|
|
add_library(pybind11::pybind11_headers ALIAS pybind11_headers) # to match exported target
|
|
add_library(pybind11::headers ALIAS pybind11_headers) # easier to use/remember
|
|
|
|
target_include_directories(
|
|
pybind11_headers ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${pybind11_INCLUDE_DIR}>
|
|
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
|
|
|
|
target_compile_features(pybind11_headers INTERFACE cxx_inheriting_constructors cxx_user_literals
|
|
cxx_right_angle_brackets)
|
|
if(NOT "${PYBIND11_INTERNALS_VERSION}" STREQUAL "")
|
|
target_compile_definitions(
|
|
pybind11_headers INTERFACE "PYBIND11_INTERNALS_VERSION=${PYBIND11_INTERNALS_VERSION}")
|
|
endif()
|
|
else()
|
|
# It is invalid to install a target twice, too.
|
|
set(PYBIND11_INSTALL OFF)
|
|
endif()
|
|
|
|
include("${CMAKE_CURRENT_SOURCE_DIR}/tools/pybind11Common.cmake")
|
|
# https://github.com/jtojnar/cmake-snips/#concatenating-paths-when-building-pkg-config-files
|
|
# TODO: cmake 3.20 adds the cmake_path() function, which obsoletes this snippet
|
|
include("${CMAKE_CURRENT_SOURCE_DIR}/tools/JoinPaths.cmake")
|
|
|
|
# Relative directory setting
|
|
if(USE_PYTHON_INCLUDE_DIR AND DEFINED Python_INCLUDE_DIRS)
|
|
file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${Python_INCLUDE_DIRS})
|
|
elseif(USE_PYTHON_INCLUDE_DIR AND DEFINED PYTHON_INCLUDE_DIR)
|
|
file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${PYTHON_INCLUDE_DIRS})
|
|
endif()
|
|
|
|
if(PYBIND11_INSTALL)
|
|
install(DIRECTORY ${pybind11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
|
|
set(PYBIND11_CMAKECONFIG_INSTALL_DIR
|
|
"${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_NAME}"
|
|
CACHE STRING "install path for pybind11Config.cmake")
|
|
|
|
if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}")
|
|
set(pybind11_INCLUDEDIR "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
|
|
else()
|
|
set(pybind11_INCLUDEDIR "\$\{PACKAGE_PREFIX_DIR\}/${CMAKE_INSTALL_INCLUDEDIR}")
|
|
endif()
|
|
|
|
configure_package_config_file(
|
|
tools/${PROJECT_NAME}Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
|
|
INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
|
|
|
|
# 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
|
|
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
|
|
tools/FindPythonLibsNew.cmake
|
|
tools/pybind11Common.cmake
|
|
tools/pybind11Tools.cmake
|
|
tools/pybind11NewTools.cmake
|
|
tools/pybind11GuessPythonExtSuffix.cmake
|
|
DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
|
|
|
|
if(NOT PYBIND11_EXPORT_NAME)
|
|
set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets")
|
|
endif()
|
|
|
|
install(TARGETS pybind11_headers EXPORT "${PYBIND11_EXPORT_NAME}")
|
|
|
|
install(
|
|
EXPORT "${PYBIND11_EXPORT_NAME}"
|
|
NAMESPACE "pybind11::"
|
|
DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
|
|
|
|
# pkg-config support
|
|
if(NOT prefix_for_pc_file)
|
|
if(IS_ABSOLUTE "${CMAKE_INSTALL_DATAROOTDIR}")
|
|
set(prefix_for_pc_file "${CMAKE_INSTALL_PREFIX}")
|
|
else()
|
|
set(pc_datarootdir "${CMAKE_INSTALL_DATAROOTDIR}")
|
|
if(CMAKE_VERSION VERSION_LESS 3.20)
|
|
set(prefix_for_pc_file "\${pcfiledir}/..")
|
|
while(pc_datarootdir)
|
|
get_filename_component(pc_datarootdir "${pc_datarootdir}" DIRECTORY)
|
|
string(APPEND prefix_for_pc_file "/..")
|
|
endwhile()
|
|
else()
|
|
cmake_path(RELATIVE_PATH CMAKE_INSTALL_PREFIX BASE_DIRECTORY CMAKE_INSTALL_DATAROOTDIR
|
|
OUTPUT_VARIABLE prefix_for_pc_file)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
join_paths(includedir_for_pc_file "\${prefix}" "${CMAKE_INSTALL_INCLUDEDIR}")
|
|
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/tools/pybind11.pc.in"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/pybind11.pc" @ONLY)
|
|
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/pybind11.pc"
|
|
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig/")
|
|
|
|
# Uninstall target
|
|
if(PYBIND11_MASTER_PROJECT)
|
|
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake_uninstall.cmake.in"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)
|
|
|
|
add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P
|
|
${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
|
|
endif()
|
|
endif()
|
|
|
|
# BUILD_TESTING takes priority, but only if this is the master project
|
|
if(PYBIND11_MASTER_PROJECT AND DEFINED BUILD_TESTING)
|
|
if(BUILD_TESTING)
|
|
if(_pybind11_nopython)
|
|
message(FATAL_ERROR "Cannot activate tests in NOPYTHON mode")
|
|
else()
|
|
add_subdirectory(tests)
|
|
endif()
|
|
endif()
|
|
else()
|
|
if(PYBIND11_TEST)
|
|
if(_pybind11_nopython)
|
|
message(FATAL_ERROR "Cannot activate tests in NOPYTHON mode")
|
|
else()
|
|
add_subdirectory(tests)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
# Better symmetry with find_package(pybind11 CONFIG) mode.
|
|
if(NOT PYBIND11_MASTER_PROJECT)
|
|
set(pybind11_FOUND
|
|
TRUE
|
|
CACHE INTERNAL "True if pybind11 and all required components found on the system")
|
|
endif()
|