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chore: Add pybind11 as a thirdparty component (#964)
This is in preparation for the python bindings
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--- | ||
# See all possible options and defaults with: | ||
# clang-format --style=llvm --dump-config | ||
BasedOnStyle: LLVM | ||
AccessModifierOffset: -4 | ||
AlignConsecutiveAssignments: true | ||
AlwaysBreakTemplateDeclarations: Yes | ||
BinPackArguments: false | ||
BinPackParameters: false | ||
BreakBeforeBinaryOperators: All | ||
BreakConstructorInitializers: BeforeColon | ||
ColumnLimit: 99 | ||
IndentCaseLabels: true | ||
IndentPPDirectives: AfterHash | ||
IndentWidth: 4 | ||
Language: Cpp | ||
SpaceAfterCStyleCast: true | ||
# SpaceInEmptyBlock: true # too new | ||
Standard: Cpp11 | ||
TabWidth: 4 | ||
... |
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FormatStyle: file | ||
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Checks: ' | ||
llvm-namespace-comment, | ||
modernize-use-override, | ||
readability-container-size-empty, | ||
modernize-use-using, | ||
modernize-use-equals-default, | ||
modernize-use-auto, | ||
modernize-use-emplace, | ||
' | ||
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HeaderFilterRegex: 'pybind11/.*h' |
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CMakeCache.txt | ||
CMakeFiles | ||
Makefile | ||
cmake_install.cmake | ||
cmake_uninstall.cmake | ||
.DS_Store | ||
*.so | ||
*.pyd | ||
*.dll | ||
*.sln | ||
*.sdf | ||
*.opensdf | ||
*.vcxproj | ||
*.vcxproj.user | ||
*.filters | ||
example.dir | ||
Win32 | ||
x64 | ||
Release | ||
Debug | ||
.vs | ||
CTestTestfile.cmake | ||
Testing | ||
autogen | ||
MANIFEST | ||
/.ninja_* | ||
/*.ninja | ||
/docs/.build | ||
*.py[co] | ||
*.egg-info | ||
*~ | ||
.*.swp | ||
.DS_Store | ||
/dist | ||
/*build* | ||
.cache/ | ||
sosize-*.txt | ||
pybind11Config*.cmake | ||
pybind11Targets.cmake | ||
/*env* | ||
/.vscode | ||
/pybind11/include/* | ||
/pybind11/share/* |
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# 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. | ||
|
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cmake_minimum_required(VERSION 3.4) | ||
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# The `cmake_minimum_required(VERSION 3.4...3.18)` 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 3.18) | ||
cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) | ||
else() | ||
cmake_policy(VERSION 3.18) | ||
endif() | ||
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# 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) ") | ||
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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() | ||
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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 "${PYBIND11_VERSION_PATCH}") | ||
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project( | ||
pybind11 | ||
LANGUAGES CXX | ||
VERSION "${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH}") | ||
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# Standard includes | ||
include(GNUInstallDirs) | ||
include(CMakePackageConfigHelpers) | ||
include(CMakeDependentOption) | ||
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if(NOT pybind11_FIND_QUIETLY) | ||
message(STATUS "pybind11 v${pybind11_VERSION} ${pybind11_VERSION_TYPE}") | ||
endif() | ||
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# Avoid infinite recursion if tests include this as a subdirectory | ||
if(DEFINED PYBIND11_MASTER_PROJECT) | ||
set(PYBIND11_TEST OFF) | ||
endif() | ||
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# Check if pybind11 is being used directly or via add_subdirectory | ||
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR AND NOT DEFINED PYBIND11_MASTER_PROJECT) | ||
### 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() | ||
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set(PYBIND11_MASTER_PROJECT ON) | ||
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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() | ||
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message(STATUS "CMake ${CMAKE_VERSION}") | ||
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if(CMAKE_CXX_STANDARD) | ||
set(CMAKE_CXX_EXTENSIONS OFF) | ||
set(CMAKE_CXX_STANDARD_REQUIRED ON) | ||
endif() | ||
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set(pybind11_system "") | ||
else() | ||
set(PYBIND11_MASTER_PROJECT OFF) | ||
set(pybind11_system SYSTEM) | ||
endif() | ||
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# Options | ||
option(PYBIND11_INSTALL "Install pybind11 header files?" ${PYBIND11_MASTER_PROJECT}) | ||
option(PYBIND11_TEST "Build pybind11 test suite?" ${PYBIND11_MASTER_PROJECT}) | ||
option(PYBIND11_NOPYTHON "Disable search for Python" OFF) | ||
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cmake_dependent_option( | ||
USE_PYTHON_INCLUDE_DIR | ||
"Install pybind11 headers in Python include directory instead of default installation prefix" | ||
OFF "PYBIND11_INSTALL" OFF) | ||
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cmake_dependent_option(PYBIND11_FINDPYTHON "Force new FindPython" OFF | ||
"NOT CMAKE_VERSION VERSION_LESS 3.12" OFF) | ||
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# NB: when adding a header don't forget to also add it to setup.py | ||
set(PYBIND11_HEADERS | ||
include/pybind11/detail/class.h | ||
include/pybind11/detail/common.h | ||
include/pybind11/detail/descr.h | ||
include/pybind11/detail/init.h | ||
include/pybind11/detail/internals.h | ||
include/pybind11/detail/typeid.h | ||
include/pybind11/attr.h | ||
include/pybind11/buffer_info.h | ||
include/pybind11/cast.h | ||
include/pybind11/chrono.h | ||
include/pybind11/common.h | ||
include/pybind11/complex.h | ||
include/pybind11/options.h | ||
include/pybind11/eigen.h | ||
include/pybind11/embed.h | ||
include/pybind11/eval.h | ||
include/pybind11/iostream.h | ||
include/pybind11/functional.h | ||
include/pybind11/numpy.h | ||
include/pybind11/operators.h | ||
include/pybind11/pybind11.h | ||
include/pybind11/pytypes.h | ||
include/pybind11/stl.h | ||
include/pybind11/stl_bind.h) | ||
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# Compare with grep and warn if mismatched | ||
if(PYBIND11_MASTER_PROJECT AND NOT CMAKE_VERSION VERSION_LESS 3.12) | ||
file( | ||
GLOB_RECURSE _pybind11_header_check | ||
LIST_DIRECTORIES false | ||
RELATIVE "${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:" ${_pybind11_disk_only}) | ||
endif() | ||
endif() | ||
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# CMake 3.12 added list(TRANSFORM <list> PREPEND | ||
# But we can't use it yet | ||
string(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/" PYBIND11_HEADERS | ||
"${PYBIND11_HEADERS}") | ||
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# Cache variable so this can be used in parent projects | ||
set(pybind11_INCLUDE_DIR | ||
"${CMAKE_CURRENT_LIST_DIR}/include" | ||
CACHE INTERNAL "Directory where pybind11 headers are located") | ||
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# Backward compatible variable for add_subdirectory mode | ||
if(NOT PYBIND11_MASTER_PROJECT) | ||
set(PYBIND11_INCLUDE_DIR | ||
"${pybind11_INCLUDE_DIR}" | ||
CACHE INTERNAL "") | ||
endif() | ||
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# 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. | ||
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# 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 | ||
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target_include_directories( | ||
pybind11_headers ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${pybind11_INCLUDE_DIR}> | ||
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>) | ||
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target_compile_features(pybind11_headers INTERFACE cxx_inheriting_constructors cxx_user_literals | ||
cxx_right_angle_brackets) | ||
else() | ||
# It is invalid to install a target twice, too. | ||
set(PYBIND11_INSTALL OFF) | ||
endif() | ||
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include("${CMAKE_CURRENT_SOURCE_DIR}/tools/pybind11Common.cmake") | ||
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# 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() | ||
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if(PYBIND11_INSTALL) | ||
install(DIRECTORY ${pybind11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) | ||
set(PYBIND11_CMAKECONFIG_INSTALL_DIR | ||
"${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_NAME}" | ||
CACHE STRING "install path for pybind11Config.cmake") | ||
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configure_package_config_file( | ||
tools/${PROJECT_NAME}Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" | ||
INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR}) | ||
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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) | ||
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write_basic_package_version_file( | ||
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake | ||
VERSION ${PROJECT_VERSION} | ||
COMPATIBILITY AnyNewerVersion) | ||
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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() | ||
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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 | ||
DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR}) | ||
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if(NOT PYBIND11_EXPORT_NAME) | ||
set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets") | ||
endif() | ||
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install(TARGETS pybind11_headers EXPORT "${PYBIND11_EXPORT_NAME}") | ||
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install( | ||
EXPORT "${PYBIND11_EXPORT_NAME}" | ||
NAMESPACE "pybind11::" | ||
DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR}) | ||
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# Uninstall target | ||
if(PYBIND11_MASTER_PROJECT) | ||
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake_uninstall.cmake.in" | ||
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY) | ||
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add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P | ||
${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake) | ||
endif() | ||
endif() | ||
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# 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() | ||
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# 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() |
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