158 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			CMake
		
	
	
		
		
			
		
	
	
			158 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			CMake
		
	
	
|  | # 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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|  | 
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|  | cmake_minimum_required(VERSION 2.8.12)
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|  | 
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|  | if (POLICY CMP0048)
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|  |   # cmake warns if loaded from a min-3.0-required parent dir, so silence the warning:
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|  |   cmake_policy(SET CMP0048 NEW)
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|  | endif()
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|  | 
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|  | # CMake versions < 3.4.0 do not support try_compile/pthread checks without C as active language.
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|  | if(CMAKE_VERSION VERSION_LESS 3.4.0)
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|  |   project(pybind11)
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|  | else()
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|  |   project(pybind11 CXX)
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|  | endif()
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|  | 
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|  | # Check if pybind11 is being used directly or via add_subdirectory
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|  | set(PYBIND11_MASTER_PROJECT OFF)
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|  | if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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|  |   set(PYBIND11_MASTER_PROJECT ON)
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|  | endif()
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|  | 
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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?"     ${PYBIND11_MASTER_PROJECT})
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|  | 
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|  | list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/tools")
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|  | 
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|  | include(pybind11Tools)
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|  | 
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|  | # Cache variables so pybind11_add_module can be used in parent projects
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|  | set(PYBIND11_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/include" CACHE INTERNAL "")
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|  | set(PYTHON_INCLUDE_DIRS ${PYTHON_INCLUDE_DIRS} CACHE INTERNAL "")
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|  | set(PYTHON_LIBRARIES ${PYTHON_LIBRARIES} CACHE INTERNAL "")
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|  | set(PYTHON_MODULE_PREFIX ${PYTHON_MODULE_PREFIX} CACHE INTERNAL "")
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|  | set(PYTHON_MODULE_EXTENSION ${PYTHON_MODULE_EXTENSION} CACHE INTERNAL "")
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|  | set(PYTHON_VERSION_MAJOR ${PYTHON_VERSION_MAJOR} CACHE INTERNAL "")
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|  | set(PYTHON_VERSION_MINOR ${PYTHON_VERSION_MINOR} CACHE INTERNAL "")
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|  | 
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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 | ||
|  |   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/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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|  | )
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|  | string(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/" | ||
|  |        PYBIND11_HEADERS "${PYBIND11_HEADERS}")
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|  | 
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|  | if (PYBIND11_TEST)
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|  |   add_subdirectory(tests)
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|  | endif()
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|  | 
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|  | include(GNUInstallDirs)
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|  | include(CMakePackageConfigHelpers)
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|  | 
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|  | # extract project version from source
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|  | file(STRINGS "${PYBIND11_INCLUDE_DIR}/pybind11/detail/common.h" 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}" CACHE INTERNAL "")
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|  |   endif()
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|  | endforeach()
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|  | set(${PROJECT_NAME}_VERSION ${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH})
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|  | message(STATUS "pybind11 v${${PROJECT_NAME}_VERSION}")
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|  | 
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|  | option (USE_PYTHON_INCLUDE_DIR "Install pybind11 headers in Python include directory instead of default installation prefix" OFF)
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|  | if (USE_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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|  | 
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|  | if(NOT (CMAKE_VERSION VERSION_LESS 3.0))  # CMake >= 3.0
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|  |   # Build an interface library target:
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|  |   add_library(pybind11 INTERFACE)
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|  |   add_library(pybind11::pybind11 ALIAS pybind11)  # to match exported target
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|  |   target_include_directories(pybind11 INTERFACE $<BUILD_INTERFACE:${PYBIND11_INCLUDE_DIR}> | ||
|  |                                                 $<BUILD_INTERFACE:${PYTHON_INCLUDE_DIRS}>
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|  |                                                 $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
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|  |   target_compile_options(pybind11 INTERFACE $<BUILD_INTERFACE:${PYBIND11_CPP_STANDARD}>)
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|  | 
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|  |   add_library(module INTERFACE)
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|  |   add_library(pybind11::module ALIAS module)
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|  |   if(NOT MSVC)
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|  |     target_compile_options(module INTERFACE -fvisibility=hidden)
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|  |   endif()
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|  |   target_link_libraries(module INTERFACE pybind11::pybind11)
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|  |   if(WIN32 OR CYGWIN)
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|  |     target_link_libraries(module INTERFACE $<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)
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|  |   elseif(APPLE)
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|  |     target_link_libraries(module INTERFACE "-undefined dynamic_lookup")
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|  |   endif()
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|  | 
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|  |   add_library(embed INTERFACE)
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|  |   add_library(pybind11::embed ALIAS embed)
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|  |   target_link_libraries(embed INTERFACE pybind11::pybind11 $<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)
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|  | endif()
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|  | 
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|  | if (PYBIND11_INSTALL)
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|  |   install(DIRECTORY ${PYBIND11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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|  |   # GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
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|  |   set(PYBIND11_CMAKECONFIG_INSTALL_DIR "share/cmake/${PROJECT_NAME}" CACHE STRING "install path for pybind11Config.cmake")
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|  | 
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|  |   configure_package_config_file(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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|  |   # 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 ${CMAKE_SIZEOF_VOID_P})
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|  |   unset(CMAKE_SIZEOF_VOID_P)
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|  |   write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake | ||
|  |                                    VERSION ${${PROJECT_NAME}_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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|  |   install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake | ||
|  |                 ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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|  |                 tools/FindPythonLibsNew.cmake
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|  |                 tools/pybind11Tools.cmake
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|  |           DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
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|  | 
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|  |   if(NOT (CMAKE_VERSION VERSION_LESS 3.0))
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|  |     if(NOT PYBIND11_EXPORT_NAME)
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|  |       set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets")
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|  |     endif()
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|  | 
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|  |     install(TARGETS pybind11 module embed | ||
|  |             EXPORT "${PYBIND11_EXPORT_NAME}")
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|  |     if(PYBIND11_MASTER_PROJECT)
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|  |       install(EXPORT "${PYBIND11_EXPORT_NAME}" | ||
|  |               NAMESPACE "${PROJECT_NAME}::"
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|  |               DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
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|  |     endif()
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|  |   endif()
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|  | endif()
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