mirror of
https://github.com/thelsing/knx.git
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267 lines
9.7 KiB
CMake
267 lines
9.7 KiB
CMake
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# CMakeLists.txt -- Build system for the pybind11 modules
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#
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# Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
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#
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# All rights reserved. Use of this source code is governed by a
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# 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
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# some versions of VS that have a patched CMake 3.11. This forces us to emulate
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# the behavior using the following workaround:
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if(${CMAKE_VERSION} VERSION_LESS 3.18)
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cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
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else()
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cmake_policy(VERSION 3.18)
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endif()
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# Extract project version from source
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file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/pybind11/detail/common.h"
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pybind11_version_defines REGEX "#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH) ")
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foreach(ver ${pybind11_version_defines})
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if(ver MATCHES [[#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$]])
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set(PYBIND11_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}")
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endif()
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endforeach()
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if(PYBIND11_VERSION_PATCH MATCHES [[\.([a-zA-Z0-9]+)$]])
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set(pybind11_VERSION_TYPE "${CMAKE_MATCH_1}")
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endif()
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string(REGEX MATCH "^[0-9]+" PYBIND11_VERSION_PATCH "${PYBIND11_VERSION_PATCH}")
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project(
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pybind11
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LANGUAGES CXX
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VERSION "${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH}")
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# Standard includes
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include(GNUInstallDirs)
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include(CMakePackageConfigHelpers)
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include(CMakeDependentOption)
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if(NOT pybind11_FIND_QUIETLY)
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message(STATUS "pybind11 v${pybind11_VERSION} ${pybind11_VERSION_TYPE}")
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endif()
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# Check if pybind11 is being used directly or via add_subdirectory
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if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
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### Warn if not an out-of-source builds
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if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
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set(lines
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"You are building in-place. If that is not what you intended to "
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"do, you can clean the source directory with:\n"
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"rm -r CMakeCache.txt CMakeFiles/ cmake_uninstall.cmake pybind11Config.cmake "
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"pybind11ConfigVersion.cmake tests/CMakeFiles/\n")
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message(AUTHOR_WARNING ${lines})
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endif()
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set(PYBIND11_MASTER_PROJECT ON)
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if(OSX AND CMAKE_VERSION VERSION_LESS 3.7)
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# Bug in macOS CMake < 3.7 is unable to download catch
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message(WARNING "CMAKE 3.7+ needed on macOS to download catch, and newer HIGHLY recommended")
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elseif(WINDOWS AND CMAKE_VERSION VERSION_LESS 3.8)
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# Only tested with 3.8+ in CI.
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message(WARNING "CMAKE 3.8+ tested on Windows, previous versions untested")
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endif()
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message(STATUS "CMake ${CMAKE_VERSION}")
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if(CMAKE_CXX_STANDARD)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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endif()
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else()
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set(PYBIND11_MASTER_PROJECT OFF)
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set(pybind11_system SYSTEM)
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endif()
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# Options
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option(PYBIND11_INSTALL "Install pybind11 header files?" ${PYBIND11_MASTER_PROJECT})
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option(PYBIND11_TEST "Build pybind11 test suite?" ${PYBIND11_MASTER_PROJECT})
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option(PYBIND11_NOPYTHON "Disable search for Python" OFF)
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cmake_dependent_option(
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USE_PYTHON_INCLUDE_DIR
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"Install pybind11 headers in Python include directory instead of default installation prefix"
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OFF "PYBIND11_INSTALL" OFF)
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cmake_dependent_option(PYBIND11_FINDPYTHON "Force new FindPython" OFF
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"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
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set(PYBIND11_HEADERS
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include/pybind11/detail/class.h
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include/pybind11/detail/common.h
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include/pybind11/detail/descr.h
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include/pybind11/detail/init.h
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include/pybind11/detail/internals.h
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include/pybind11/detail/typeid.h
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include/pybind11/attr.h
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include/pybind11/buffer_info.h
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include/pybind11/cast.h
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include/pybind11/chrono.h
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include/pybind11/common.h
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include/pybind11/complex.h
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include/pybind11/options.h
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include/pybind11/eigen.h
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include/pybind11/embed.h
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include/pybind11/eval.h
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include/pybind11/iostream.h
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include/pybind11/functional.h
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include/pybind11/numpy.h
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include/pybind11/operators.h
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include/pybind11/pybind11.h
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include/pybind11/pytypes.h
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include/pybind11/stl.h
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include/pybind11/stl_bind.h)
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# Compare with grep and warn if mismatched
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if(PYBIND11_MASTER_PROJECT AND NOT CMAKE_VERSION VERSION_LESS 3.12)
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file(
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GLOB_RECURSE _pybind11_header_check
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LIST_DIRECTORIES false
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RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
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CONFIGURE_DEPENDS "include/pybind11/*.h")
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set(_pybind11_here_only ${PYBIND11_HEADERS})
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set(_pybind11_disk_only ${_pybind11_header_check})
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list(REMOVE_ITEM _pybind11_here_only ${_pybind11_header_check})
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list(REMOVE_ITEM _pybind11_disk_only ${PYBIND11_HEADERS})
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if(_pybind11_here_only)
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message(AUTHOR_WARNING "PYBIND11_HEADERS has extra files:" ${_pybind11_here_only})
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endif()
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if(_pybind11_disk_only)
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message(AUTHOR_WARNING "PYBIND11_HEADERS is missing files:" ${_pybind11_disk_only})
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endif()
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endif()
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# CMake 3.12 added list(TRANSFORM <list> PREPEND
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# But we can't use it yet
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string(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/" PYBIND11_HEADERS
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"${PYBIND11_HEADERS}")
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# Cache variables so pybind11_add_module can be used in parent projects
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set(PYBIND11_INCLUDE_DIR
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"${CMAKE_CURRENT_LIST_DIR}/include"
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CACHE INTERNAL "")
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# Note: when creating targets, you cannot use if statements at configure time -
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# you need generator expressions, because those will be placed in the target file.
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# 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
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# Build the headers-only target (no Python included):
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# (long name used here to keep this from clashing in subdirectory mode)
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add_library(pybind11_headers INTERFACE)
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add_library(pybind11::pybind11_headers ALIAS pybind11_headers) # to match exported target
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add_library(pybind11::headers ALIAS pybind11_headers) # easier to use/remember
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include("${CMAKE_CURRENT_SOURCE_DIR}/tools/pybind11Common.cmake")
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# Relative directory setting
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if(USE_PYTHON_INCLUDE_DIR AND DEFINED Python_INCLUDE_DIRS)
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file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${Python_INCLUDE_DIRS})
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elseif(USE_PYTHON_INCLUDE_DIR AND DEFINED PYTHON_INCLUDE_DIR)
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file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${PYTHON_INCLUDE_DIRS})
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endif()
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# Fill in headers target
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target_include_directories(
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pybind11_headers ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${PYBIND11_INCLUDE_DIR}>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
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target_compile_features(pybind11_headers INTERFACE cxx_inheriting_constructors cxx_user_literals
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cxx_right_angle_brackets)
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if(PYBIND11_INSTALL)
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install(DIRECTORY ${PYBIND11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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set(PYBIND11_CMAKECONFIG_INSTALL_DIR
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"${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_NAME}"
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CACHE STRING "install path for pybind11Config.cmake")
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configure_package_config_file(
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tools/${PROJECT_NAME}Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
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INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
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if(CMAKE_VERSION VERSION_LESS 3.14)
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# Remove CMAKE_SIZEOF_VOID_P from ConfigVersion.cmake since the library does
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# not depend on architecture specific settings or libraries.
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set(_PYBIND11_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
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unset(CMAKE_SIZEOF_VOID_P)
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write_basic_package_version_file(
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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VERSION ${PROJECT_VERSION}
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COMPATIBILITY AnyNewerVersion)
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set(CMAKE_SIZEOF_VOID_P ${_PYBIND11_CMAKE_SIZEOF_VOID_P})
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else()
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# CMake 3.14+ natively supports header-only libraries
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write_basic_package_version_file(
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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VERSION ${PROJECT_VERSION}
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COMPATIBILITY AnyNewerVersion ARCH_INDEPENDENT)
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endif()
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install(
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FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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tools/FindPythonLibsNew.cmake
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tools/pybind11Common.cmake
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tools/pybind11Tools.cmake
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tools/pybind11NewTools.cmake
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DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
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if(NOT PYBIND11_EXPORT_NAME)
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set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets")
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endif()
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install(TARGETS pybind11_headers EXPORT "${PYBIND11_EXPORT_NAME}")
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install(
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EXPORT "${PYBIND11_EXPORT_NAME}"
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NAMESPACE "pybind11::"
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DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
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# Uninstall target
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if(PYBIND11_MASTER_PROJECT)
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake_uninstall.cmake.in"
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"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)
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add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P
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${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
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endif()
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endif()
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# BUILD_TESTING takes priority, but only if this is the master project
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if(PYBIND11_MASTER_PROJECT AND DEFINED BUILD_TESTING)
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if(BUILD_TESTING)
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if(_pybind11_nopython)
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message(FATAL_ERROR "Cannot activate tests in NOPYTHON mode")
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else()
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add_subdirectory(tests)
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endif()
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endif()
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else()
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if(PYBIND11_TEST)
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if(_pybind11_nopython)
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message(FATAL_ERROR "Cannot activate tests in NOPYTHON mode")
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else()
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add_subdirectory(tests)
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endif()
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endif()
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endif()
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# Better symmetry with find_package(pybind11 CONFIG) mode.
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if(NOT PYBIND11_MASTER_PROJECT)
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set(pybind11_FOUND
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TRUE
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CACHE INTERNAL "true if pybind11 and all required components found on the system")
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set(pybind11_INCLUDE_DIR
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"${PYBIND11_INCLUDE_DIR}"
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CACHE INTERNAL "Directory where pybind11 headers are located")
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endif()
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