CMakeLists.txt revision 12391:ceeca8b41e4b
12623SN/A# CMakeLists.txt -- Build system for the pybind11 modules
210596Sgabeblack@google.com#
312276Sanouk.vanlaer@arm.com# Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
47725SAli.Saidi@ARM.com#
57725SAli.Saidi@ARM.com# All rights reserved. Use of this source code is governed by a
67725SAli.Saidi@ARM.com# BSD-style license that can be found in the LICENSE file.
77725SAli.Saidi@ARM.com
87725SAli.Saidi@ARM.comcmake_minimum_required(VERSION 2.8.12)
97725SAli.Saidi@ARM.com
107725SAli.Saidi@ARM.comif (POLICY CMP0048)
117725SAli.Saidi@ARM.com  # cmake warns if loaded from a min-3.0-required parent dir, so silence the warning:
127725SAli.Saidi@ARM.com  cmake_policy(SET CMP0048 NEW)
137725SAli.Saidi@ARM.comendif()
147725SAli.Saidi@ARM.com
152623SN/A# CMake versions < 3.4.0 do not support try_compile/pthread checks without C as active language.
162623SN/Aif(CMAKE_VERSION VERSION_LESS 3.4.0)
172623SN/A  project(pybind11)
182623SN/Aelse()
192623SN/A  project(pybind11 CXX)
202623SN/Aendif()
212623SN/A
222623SN/A# Check if pybind11 is being used directly or via add_subdirectory
232623SN/Aset(PYBIND11_MASTER_PROJECT OFF)
242623SN/Aif (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
252623SN/A  set(PYBIND11_MASTER_PROJECT ON)
262623SN/Aendif()
272623SN/A
282623SN/Aoption(PYBIND11_INSTALL "Install pybind11 header files?" ${PYBIND11_MASTER_PROJECT})
292623SN/Aoption(PYBIND11_TEST    "Build pybind11 test suite?"     ${PYBIND11_MASTER_PROJECT})
302623SN/A
312623SN/Alist(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/tools")
322623SN/A
332623SN/Ainclude(pybind11Tools)
342623SN/A
352623SN/A# Cache variables so pybind11_add_module can be used in parent projects
362623SN/Aset(PYBIND11_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/include" CACHE INTERNAL "")
372623SN/Aset(PYTHON_INCLUDE_DIRS ${PYTHON_INCLUDE_DIRS} CACHE INTERNAL "")
382623SN/Aset(PYTHON_LIBRARIES ${PYTHON_LIBRARIES} CACHE INTERNAL "")
392623SN/Aset(PYTHON_MODULE_PREFIX ${PYTHON_MODULE_PREFIX} CACHE INTERNAL "")
402665Ssaidi@eecs.umich.eduset(PYTHON_MODULE_EXTENSION ${PYTHON_MODULE_EXTENSION} CACHE INTERNAL "")
412665Ssaidi@eecs.umich.edu
422623SN/A# NB: when adding a header don't forget to also add it to setup.py
432623SN/Aset(PYBIND11_HEADERS
4411793Sbrandon.potter@amd.com  include/pybind11/detail/class.h
4511793Sbrandon.potter@amd.com  include/pybind11/detail/common.h
463170Sstever@eecs.umich.edu  include/pybind11/detail/descr.h
478105Sgblack@eecs.umich.edu  include/pybind11/detail/init.h
482623SN/A  include/pybind11/detail/internals.h
496658Snate@binkert.org  include/pybind11/detail/typeid.h
502623SN/A  include/pybind11/attr.h
518232Snate@binkert.org  include/pybind11/buffer_info.h
529152Satgutier@umich.edu  include/pybind11/cast.h
538232Snate@binkert.org  include/pybind11/chrono.h
5411793Sbrandon.potter@amd.com  include/pybind11/common.h
558232Snate@binkert.org  include/pybind11/complex.h
563348Sbinkertn@umich.edu  include/pybind11/options.h
573348Sbinkertn@umich.edu  include/pybind11/eigen.h
584762Snate@binkert.org  include/pybind11/embed.h
597678Sgblack@eecs.umich.edu  include/pybind11/eval.h
608779Sgblack@eecs.umich.edu  include/pybind11/functional.h
612901Ssaidi@eecs.umich.edu  include/pybind11/numpy.h
622623SN/A  include/pybind11/operators.h
632623SN/A  include/pybind11/pybind11.h
642623SN/A  include/pybind11/pytypes.h
652623SN/A  include/pybind11/stl.h
662623SN/A  include/pybind11/stl_bind.h
672623SN/A)
682623SN/Astring(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/"
6911147Smitch.hayenga@arm.com       PYBIND11_HEADERS "${PYBIND11_HEADERS}")
702623SN/A
712623SN/Aif (PYBIND11_TEST)
722623SN/A  add_subdirectory(tests)
738707Sandreas.hansson@arm.comendif()
742948Ssaidi@eecs.umich.edu
752948Ssaidi@eecs.umich.eduinclude(GNUInstallDirs)
765606Snate@binkert.orginclude(CMakePackageConfigHelpers)
772948Ssaidi@eecs.umich.edu
782948Ssaidi@eecs.umich.edu# extract project version from source
795529Snate@binkert.orgfile(STRINGS "${PYBIND11_INCLUDE_DIR}/pybind11/detail/common.h" pybind11_version_defines
808707Sandreas.hansson@arm.com     REGEX "#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH) ")
819179Sandreas.hansson@arm.comforeach(ver ${pybind11_version_defines})
8212085Sspwilson2@wisc.edu  if (ver MATCHES "#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
832623SN/A    set(PYBIND11_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
842623SN/A  endif()
852623SN/Aendforeach()
862623SN/Aset(${PROJECT_NAME}_VERSION ${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH})
872623SN/Amessage(STATUS "pybind11 v${${PROJECT_NAME}_VERSION}")
8810030SAli.Saidi@ARM.com
892623SN/Aoption (USE_PYTHON_INCLUDE_DIR "Install pybind11 headers in Python include directory instead of default installation prefix" OFF)
902623SN/Aif (USE_PYTHON_INCLUDE_DIR)
912623SN/A    file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${PYTHON_INCLUDE_DIRS})
922623SN/Aendif()
9310913Sandreas.sandberg@arm.com
9410913Sandreas.sandberg@arm.comif(NOT (CMAKE_VERSION VERSION_LESS 3.0))  # CMake >= 3.0
952798Sktlim@umich.edu  # Build an interface library target:
9612276Sanouk.vanlaer@arm.com  add_library(pybind11 INTERFACE)
9712276Sanouk.vanlaer@arm.com  add_library(pybind11::pybind11 ALIAS pybind11)  # to match exported target
9812276Sanouk.vanlaer@arm.com  target_include_directories(pybind11 INTERFACE $<BUILD_INTERFACE:${PYBIND11_INCLUDE_DIR}>
999448SAndreas.Sandberg@ARM.com                                                $<BUILD_INTERFACE:${PYTHON_INCLUDE_DIRS}>
10010913Sandreas.sandberg@arm.com                                                $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
1019448SAndreas.Sandberg@ARM.com  target_compile_options(pybind11 INTERFACE $<BUILD_INTERFACE:${PYBIND11_CPP_STANDARD}>)
1029342SAndreas.Sandberg@arm.com
1039448SAndreas.Sandberg@ARM.com  add_library(module INTERFACE)
1049442SAndreas.Sandberg@ARM.com  add_library(pybind11::module ALIAS module)
10511147Smitch.hayenga@arm.com  if(NOT MSVC)
10610913Sandreas.sandberg@arm.com    target_compile_options(module INTERFACE -fvisibility=hidden)
1072798Sktlim@umich.edu  endif()
10811147Smitch.hayenga@arm.com  target_link_libraries(module INTERFACE pybind11::pybind11)
1099442SAndreas.Sandberg@ARM.com  if(WIN32 OR CYGWIN)
1109442SAndreas.Sandberg@ARM.com    target_link_libraries(module INTERFACE $<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)
1119442SAndreas.Sandberg@ARM.com  elseif(APPLE)
1129442SAndreas.Sandberg@ARM.com    target_link_libraries(module INTERFACE "-undefined dynamic_lookup")
1139448SAndreas.Sandberg@ARM.com  endif()
1149648Sdam.sunwoo@arm.com
1159442SAndreas.Sandberg@ARM.com  add_library(embed INTERFACE)
11610913Sandreas.sandberg@arm.com  add_library(pybind11::embed ALIAS embed)
1172798Sktlim@umich.edu  target_link_libraries(embed INTERFACE pybind11::pybind11 $<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)
1182623SN/Aendif()
1192623SN/A
1202623SN/Aif (PYBIND11_INSTALL)
1219342SAndreas.Sandberg@arm.com  install(DIRECTORY ${PYBIND11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
1222623SN/A  # GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
1239442SAndreas.Sandberg@ARM.com  set(PYBIND11_CMAKECONFIG_INSTALL_DIR "share/cmake/${PROJECT_NAME}" CACHE STRING "install path for pybind11Config.cmake")
1249448SAndreas.Sandberg@ARM.com
1259448SAndreas.Sandberg@ARM.com  configure_package_config_file(tools/${PROJECT_NAME}Config.cmake.in
1269442SAndreas.Sandberg@ARM.com                                "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
1275221Ssaidi@eecs.umich.edu                                INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
1289523SAndreas.Sandberg@ARM.com  # Remove CMAKE_SIZEOF_VOID_P from ConfigVersion.cmake since the library does
1293201Shsul@eecs.umich.edu  # not depend on architecture specific settings or libraries.
1309448SAndreas.Sandberg@ARM.com  set(_PYBIND11_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
1319448SAndreas.Sandberg@ARM.com  unset(CMAKE_SIZEOF_VOID_P)
13211147Smitch.hayenga@arm.com  write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
13311147Smitch.hayenga@arm.com                                   VERSION ${${PROJECT_NAME}_VERSION}
13411147Smitch.hayenga@arm.com                                   COMPATIBILITY AnyNewerVersion)
13511147Smitch.hayenga@arm.com  set(CMAKE_SIZEOF_VOID_P ${_PYBIND11_CMAKE_SIZEOF_VOID_P})
13611147Smitch.hayenga@arm.com  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
13711147Smitch.hayenga@arm.com                ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
13811147Smitch.hayenga@arm.com                tools/FindPythonLibsNew.cmake
13911147Smitch.hayenga@arm.com                tools/pybind11Tools.cmake
14011147Smitch.hayenga@arm.com          DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
14111147Smitch.hayenga@arm.com
14211147Smitch.hayenga@arm.com  if(NOT (CMAKE_VERSION VERSION_LESS 3.0))
14311147Smitch.hayenga@arm.com    if(NOT PYBIND11_EXPORT_NAME)
14411147Smitch.hayenga@arm.com      set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets")
14511147Smitch.hayenga@arm.com    endif()
14611147Smitch.hayenga@arm.com
14711147Smitch.hayenga@arm.com    install(TARGETS pybind11 module embed
14811147Smitch.hayenga@arm.com            EXPORT "${PYBIND11_EXPORT_NAME}")
1492623SN/A    if(PYBIND11_MASTER_PROJECT)
15011147Smitch.hayenga@arm.com      install(EXPORT "${PYBIND11_EXPORT_NAME}"
15112276Sanouk.vanlaer@arm.com              NAMESPACE "${PROJECT_NAME}::"
15212276Sanouk.vanlaer@arm.com              DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
15312276Sanouk.vanlaer@arm.com    endif()
15411147Smitch.hayenga@arm.com  endif()
1559442SAndreas.Sandberg@ARM.comendif()
1562798Sktlim@umich.edu